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Merge pull request #434 from fjl/poc-9 

Godeps: bump github.com/ethereum/ethash
This commit is contained in:
Felix Lange 2015-03-06 13:31:41 +01:00
parent 76e4e233ad 71e510540e
commit a91bf01429
63 changed files with 3261 additions and 2524 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
Godeps/Godeps.json generated
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@ -17,8 +17,8 @@
},
{
"ImportPath": "github.com/ethereum/ethash",
"Comment": "v17-23-g2561e13",
"Rev": "2561e1322a7e8e3d4a2cc903c44b1e96340bcb27"
"Comment": "v17-63-gbca024b",
"Rev": "bca024b0b30d83ec6798a5d4fa8c5fc6f937009a"
},
{
"ImportPath": "github.com/ethereum/serpent-go",

7
Godeps/_workspace/src/github.com/ethereum/ethash/.gitignore generated vendored
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@ -2,4 +2,9 @@
.DS_Store
*/**/*un~
.vagrant/
cpp-build/
*.pyc
build/
pyethash.egg-info/
*.so
*~
*.swp

6
Godeps/_workspace/src/github.com/ethereum/ethash/.travis.yml generated vendored Normal file
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@ -0,0 +1,6 @@
before_install:
- sudo apt-get update -qq
- sudo apt-get install -qq wget cmake gcc bash libboost-test-dev nodejs python-pip python-dev
- sudo pip install virtualenv -q
script: "./test/test.sh"

11
Godeps/_workspace/src/github.com/ethereum/ethash/CMakeLists.txt generated vendored
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@ -1,4 +1,4 @@
cmake_minimum_required(VERSION 2.8.2)
cmake_minimum_required(VERSION 2.8.7)
project(ethash)
set(CMAKE_MODULE_PATH ${CMAKE_MODULE_PATH} "${CMAKE_SOURCE_DIR}/cmake/Modules/")
@ -8,7 +8,8 @@ if (WIN32 AND WANT_CRYPTOPP)
add_subdirectory(cryptopp)
endif()
add_subdirectory(libethash)
add_subdirectory(libethash-cl EXCLUDE_FROM_ALL)
add_subdirectory(benchmark EXCLUDE_FROM_ALL)
add_subdirectory(test EXCLUDE_FROM_ALL)
add_subdirectory(src/libethash)
# bin2h.cmake doesn't work
#add_subdirectory(src/libethash-cl EXCLUDE_FROM_ALL)
add_subdirectory(src/benchmark EXCLUDE_FROM_ALL)
add_subdirectory(test/c EXCLUDE_FROM_ALL)

3
Godeps/_workspace/src/github.com/ethereum/ethash/Makefile generated vendored Normal file
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@ -0,0 +1,3 @@
.PHONY: clean
clean:
rm -rf *.so pyethash.egg-info/ build/ test/python/python-virtual-env/ test/c/build/ pyethash/*.{so,pyc}

7
Godeps/_workspace/src/github.com/ethereum/ethash/README.md generated vendored Normal file
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@ -0,0 +1,7 @@
[![Build Status](https://travis-ci.org/ethereum/ethash.svg?branch=master)](https://travis-ci.org/ethereum/ethash)
# Ethash
For details on this project, please see the Ethereum wiki:
https://github.com/ethereum/wiki/wiki/Ethash

7
Godeps/_workspace/src/github.com/ethereum/ethash/Vagrantfile generated vendored Normal file
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@ -0,0 +1,7 @@
# -*- mode: ruby -*-
# vi: set ft=ruby :
Vagrant.configure(2) do |config|
config.vm.box = "Ubuntu 12.04"
config.vm.box_url = "https://cloud-images.ubuntu.com/vagrant/precise/current/precise-server-cloudimg-amd64-vagrant-disk1.box"
end

161
Godeps/_workspace/src/github.com/ethereum/ethash/cmake/modules/CMakeParseArguments.cmake generated vendored Normal file
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@ -0,0 +1,161 @@
#.rst:
# CMakeParseArguments
# -------------------
#
#
#
# CMAKE_PARSE_ARGUMENTS(<prefix> <options> <one_value_keywords>
# <multi_value_keywords> args...)
#
# CMAKE_PARSE_ARGUMENTS() is intended to be used in macros or functions
# for parsing the arguments given to that macro or function. It
# processes the arguments and defines a set of variables which hold the
# values of the respective options.
#
# The <options> argument contains all options for the respective macro,
# i.e. keywords which can be used when calling the macro without any
# value following, like e.g. the OPTIONAL keyword of the install()
# command.
#
# The <one_value_keywords> argument contains all keywords for this macro
# which are followed by one value, like e.g. DESTINATION keyword of the
# install() command.
#
# The <multi_value_keywords> argument contains all keywords for this
# macro which can be followed by more than one value, like e.g. the
# TARGETS or FILES keywords of the install() command.
#
# When done, CMAKE_PARSE_ARGUMENTS() will have defined for each of the
# keywords listed in <options>, <one_value_keywords> and
# <multi_value_keywords> a variable composed of the given <prefix>
# followed by "_" and the name of the respective keyword. These
# variables will then hold the respective value from the argument list.
# For the <options> keywords this will be TRUE or FALSE.
#
# All remaining arguments are collected in a variable
# <prefix>_UNPARSED_ARGUMENTS, this can be checked afterwards to see
# whether your macro was called with unrecognized parameters.
#
# As an example here a my_install() macro, which takes similar arguments
# as the real install() command:
#
# ::
#
# function(MY_INSTALL)
# set(options OPTIONAL FAST)
# set(oneValueArgs DESTINATION RENAME)
# set(multiValueArgs TARGETS CONFIGURATIONS)
# cmake_parse_arguments(MY_INSTALL "${options}" "${oneValueArgs}"
# "${multiValueArgs}" ${ARGN} )
# ...
#
#
#
# Assume my_install() has been called like this:
#
# ::
#
# my_install(TARGETS foo bar DESTINATION bin OPTIONAL blub)
#
#
#
# After the cmake_parse_arguments() call the macro will have set the
# following variables:
#
# ::
#
# MY_INSTALL_OPTIONAL = TRUE
# MY_INSTALL_FAST = FALSE (this option was not used when calling my_install()
# MY_INSTALL_DESTINATION = "bin"
# MY_INSTALL_RENAME = "" (was not used)
# MY_INSTALL_TARGETS = "foo;bar"
# MY_INSTALL_CONFIGURATIONS = "" (was not used)
# MY_INSTALL_UNPARSED_ARGUMENTS = "blub" (no value expected after "OPTIONAL"
#
#
#
# You can then continue and process these variables.
#
# Keywords terminate lists of values, e.g. if directly after a
# one_value_keyword another recognized keyword follows, this is
# interpreted as the beginning of the new option. E.g.
# my_install(TARGETS foo DESTINATION OPTIONAL) would result in
# MY_INSTALL_DESTINATION set to "OPTIONAL", but MY_INSTALL_DESTINATION
# would be empty and MY_INSTALL_OPTIONAL would be set to TRUE therefor.
#=============================================================================
# Copyright 2010 Alexander Neundorf <neundorf@kde.org>
#
# Distributed under the OSI-approved BSD License (the "License");
# see accompanying file Copyright.txt for details.
#
# This software is distributed WITHOUT ANY WARRANTY; without even the
# implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
# See the License for more information.
#=============================================================================
# (To distribute this file outside of CMake, substitute the full
# License text for the above reference.)
if(__CMAKE_PARSE_ARGUMENTS_INCLUDED)
return()
endif()
set(__CMAKE_PARSE_ARGUMENTS_INCLUDED TRUE)
function(CMAKE_PARSE_ARGUMENTS prefix _optionNames _singleArgNames _multiArgNames)
# first set all result variables to empty/FALSE
foreach(arg_name ${_singleArgNames} ${_multiArgNames})
set(${prefix}_${arg_name})
endforeach()
foreach(option ${_optionNames})
set(${prefix}_${option} FALSE)
endforeach()
set(${prefix}_UNPARSED_ARGUMENTS)
set(insideValues FALSE)
set(currentArgName)
# now iterate over all arguments and fill the result variables
foreach(currentArg ${ARGN})
list(FIND _optionNames "${currentArg}" optionIndex) # ... then this marks the end of the arguments belonging to this keyword
list(FIND _singleArgNames "${currentArg}" singleArgIndex) # ... then this marks the end of the arguments belonging to this keyword
list(FIND _multiArgNames "${currentArg}" multiArgIndex) # ... then this marks the end of the arguments belonging to this keyword
if(${optionIndex} EQUAL -1 AND ${singleArgIndex} EQUAL -1 AND ${multiArgIndex} EQUAL -1)
if(insideValues)
if("${insideValues}" STREQUAL "SINGLE")
set(${prefix}_${currentArgName} ${currentArg})
set(insideValues FALSE)
elseif("${insideValues}" STREQUAL "MULTI")
list(APPEND ${prefix}_${currentArgName} ${currentArg})
endif()
else()
list(APPEND ${prefix}_UNPARSED_ARGUMENTS ${currentArg})
endif()
else()
if(NOT ${optionIndex} EQUAL -1)
set(${prefix}_${currentArg} TRUE)
set(insideValues FALSE)
elseif(NOT ${singleArgIndex} EQUAL -1)
set(currentArgName ${currentArg})
set(${prefix}_${currentArgName})
set(insideValues "SINGLE")
elseif(NOT ${multiArgIndex} EQUAL -1)
set(currentArgName ${currentArg})
set(${prefix}_${currentArgName})
set(insideValues "MULTI")
endif()
endif()
endforeach()
# propagate the result variables to the caller:
foreach(arg_name ${_singleArgNames} ${_multiArgNames} ${_optionNames})
set(${prefix}_${arg_name} ${${prefix}_${arg_name}} PARENT_SCOPE)
endforeach()
set(${prefix}_UNPARSED_ARGUMENTS ${${prefix}_UNPARSED_ARGUMENTS} PARENT_SCOPE)
endfunction()

197
Godeps/_workspace/src/github.com/ethereum/ethash/cmake/modules/FindOpenCL.cmake generated vendored
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@ -1,91 +1,136 @@
#.rst:
# FindOpenCL
# ----------
#
# This file taken from FindOpenCL project @ http://gitorious.com/findopencl
# Try to find OpenCL
#
# - Try to find OpenCL
# This module tries to find an OpenCL implementation on your system. It supports
# AMD / ATI, Apple and NVIDIA implementations, but shoudl work, too.
# Once done this will define::
#
# Once done this will define
# OPENCL_FOUND - system has OpenCL
# OPENCL_INCLUDE_DIRS - the OpenCL include directory
# OPENCL_LIBRARIES - link these to use OpenCL
# OpenCL_FOUND - True if OpenCL was found
# OpenCL_INCLUDE_DIRS - include directories for OpenCL
# OpenCL_LIBRARIES - link against this library to use OpenCL
# OpenCL_VERSION_STRING - Highest supported OpenCL version (eg. 1.2)
# OpenCL_VERSION_MAJOR - The major version of the OpenCL implementation
# OpenCL_VERSION_MINOR - The minor version of the OpenCL implementation
#
# The module will also define two cache variables::
#
# OpenCL_INCLUDE_DIR - the OpenCL include directory
# OpenCL_LIBRARY - the path to the OpenCL library
#
# WIN32 should work, but is untested
FIND_PACKAGE( PackageHandleStandardArgs )
#=============================================================================
# Copyright 2014 Matthaeus G. Chajdas
#
# Distributed under the OSI-approved BSD License (the "License");
# see accompanying file Copyright.txt for details.
#
# This software is distributed WITHOUT ANY WARRANTY; without even the
# implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
# See the License for more information.
#=============================================================================
# (To distribute this file outside of CMake, substitute the full
# License text for the above reference.)
SET (OPENCL_VERSION_STRING "0.1.0")
SET (OPENCL_VERSION_MAJOR 0)
SET (OPENCL_VERSION_MINOR 1)
SET (OPENCL_VERSION_PATCH 0)
function(_FIND_OPENCL_VERSION)
include(CheckSymbolExists)
include(CMakePushCheckState)
set(CMAKE_REQUIRED_QUIET ${OpenCL_FIND_QUIETLY})
IF (APPLE)
CMAKE_PUSH_CHECK_STATE()
foreach(VERSION "2_0" "1_2" "1_1" "1_0")
set(CMAKE_REQUIRED_INCLUDES "${OpenCL_INCLUDE_DIR}")
FIND_LIBRARY(OPENCL_LIBRARIES OpenCL DOC "OpenCL lib for OSX")
FIND_PATH(OPENCL_INCLUDE_DIRS OpenCL/cl.h DOC "Include for OpenCL on OSX")
FIND_PATH(_OPENCL_CPP_INCLUDE_DIRS OpenCL/cl.hpp DOC "Include for OpenCL CPP bindings on OSX")
if(APPLE)
CHECK_SYMBOL_EXISTS(
CL_VERSION_${VERSION}
"${OpenCL_INCLUDE_DIR}/OpenCL/cl.h"
OPENCL_VERSION_${VERSION})
else()
CHECK_SYMBOL_EXISTS(
CL_VERSION_${VERSION}
"${OpenCL_INCLUDE_DIR}/CL/cl.h"
OPENCL_VERSION_${VERSION})
endif()
ELSE (APPLE)
if(OPENCL_VERSION_${VERSION})
string(REPLACE "_" "." VERSION "${VERSION}")
set(OpenCL_VERSION_STRING ${VERSION} PARENT_SCOPE)
string(REGEX MATCHALL "[0-9]+" version_components "${VERSION}")
list(GET version_components 0 major_version)
list(GET version_components 1 minor_version)
set(OpenCL_VERSION_MAJOR ${major_version} PARENT_SCOPE)
set(OpenCL_VERSION_MINOR ${minor_version} PARENT_SCOPE)
break()
endif()
endforeach()
CMAKE_POP_CHECK_STATE()
endfunction()
IF (WIN32)
FIND_PATH(OPENCL_INCLUDE_DIRS CL/cl.h)
FIND_PATH(_OPENCL_CPP_INCLUDE_DIRS CL/cl.hpp)
# The AMD SDK currently installs both x86 and x86_64 libraries
# This is only a hack to find out architecture
IF( ${CMAKE_SYSTEM_PROCESSOR} STREQUAL "AMD64" )
SET(OPENCL_LIB_DIR "$ENV{ATISTREAMSDKROOT}/lib/x86_64")
SET(OPENCL_LIB_DIR "$ENV{ATIINTERNALSTREAMSDKROOT}/lib/x86_64")
ELSE (${CMAKE_SYSTEM_PROCESSOR} STREQUAL "AMD64")
SET(OPENCL_LIB_DIR "$ENV{ATISTREAMSDKROOT}/lib/x86")
SET(OPENCL_LIB_DIR "$ENV{ATIINTERNALSTREAMSDKROOT}/lib/x86")
ENDIF( ${CMAKE_SYSTEM_PROCESSOR} STREQUAL "AMD64" )
find_path(OpenCL_INCLUDE_DIR
NAMES
CL/cl.h OpenCL/cl.h
PATHS
ENV "PROGRAMFILES(X86)"
ENV AMDAPPSDKROOT
ENV INTELOCLSDKROOT
ENV NVSDKCOMPUTE_ROOT
ENV CUDA_PATH
ENV ATISTREAMSDKROOT
PATH_SUFFIXES
include
OpenCL/common/inc
"AMD APP/include")
# find out if the user asked for a 64-bit build, and use the corresponding
# 64 or 32 bit NVIDIA library paths to the search:
STRING(REGEX MATCH "Win64" ISWIN64 ${CMAKE_GENERATOR})
IF("${ISWIN64}" STREQUAL "Win64")
FIND_LIBRARY(OPENCL_LIBRARIES OpenCL.lib ${OPENCL_LIB_DIR} $ENV{CUDA_LIB_PATH} $ENV{CUDA_PATH}/lib/x64)
ELSE("${ISWIN64}" STREQUAL "Win64")
FIND_LIBRARY(OPENCL_LIBRARIES OpenCL.lib ${OPENCL_LIB_DIR} $ENV{CUDA_LIB_PATH} $ENV{CUDA_PATH}/lib/Win32)
ENDIF("${ISWIN64}" STREQUAL "Win64")
_FIND_OPENCL_VERSION()
GET_FILENAME_COMPONENT(_OPENCL_INC_CAND ${OPENCL_LIB_DIR}/../../include ABSOLUTE)
# On Win32 search relative to the library
FIND_PATH(OPENCL_INCLUDE_DIRS CL/cl.h PATHS "${_OPENCL_INC_CAND}" $ENV{CUDA_INC_PATH} $ENV{CUDA_PATH}/include)
FIND_PATH(_OPENCL_CPP_INCLUDE_DIRS CL/cl.hpp PATHS "${_OPENCL_INC_CAND}" $ENV{CUDA_INC_PATH} $ENV{CUDA_PATH}/include)
ELSE (WIN32)
if(WIN32)
if(CMAKE_SIZEOF_VOID_P EQUAL 4)
find_library(OpenCL_LIBRARY
NAMES OpenCL
PATHS
ENV "PROGRAMFILES(X86)"
ENV AMDAPPSDKROOT
ENV INTELOCLSDKROOT
ENV CUDA_PATH
ENV NVSDKCOMPUTE_ROOT
ENV ATISTREAMSDKROOT
PATH_SUFFIXES
"AMD APP/lib/x86"
lib/x86
lib/Win32
OpenCL/common/lib/Win32)
elseif(CMAKE_SIZEOF_VOID_P EQUAL 8)
find_library(OpenCL_LIBRARY
NAMES OpenCL
PATHS
ENV "PROGRAMFILES(X86)"
ENV AMDAPPSDKROOT
ENV INTELOCLSDKROOT
ENV CUDA_PATH
ENV NVSDKCOMPUTE_ROOT
ENV ATISTREAMSDKROOT
PATH_SUFFIXES
"AMD APP/lib/x86_64"
lib/x86_64
lib/x64
OpenCL/common/lib/x64)
endif()
else()
find_library(OpenCL_LIBRARY
NAMES OpenCL)
endif()
# Unix style platforms
FIND_LIBRARY(OPENCL_LIBRARIES OpenCL
ENV LD_LIBRARY_PATH
)
set(OpenCL_LIBRARIES ${OpenCL_LIBRARY})
set(OpenCL_INCLUDE_DIRS ${OpenCL_INCLUDE_DIR})
GET_FILENAME_COMPONENT(OPENCL_LIB_DIR ${OPENCL_LIBRARIES} PATH)
GET_FILENAME_COMPONENT(_OPENCL_INC_CAND ${OPENCL_LIB_DIR}/../../include ABSOLUTE)
include(${CMAKE_CURRENT_LIST_DIR}/FindPackageHandleStandardArgs.cmake)
find_package_handle_standard_args(
OpenCL
FOUND_VAR OpenCL_FOUND
REQUIRED_VARS OpenCL_LIBRARY OpenCL_INCLUDE_DIR
VERSION_VAR OpenCL_VERSION_STRING)
# The AMD SDK currently does not place its headers
# in /usr/include, therefore also search relative
# to the library
FIND_PATH(OPENCL_INCLUDE_DIRS CL/cl.h PATHS ${_OPENCL_INC_CAND} "/usr/local/cuda/include")
FIND_PATH(_OPENCL_CPP_INCLUDE_DIRS CL/cl.hpp PATHS ${_OPENCL_INC_CAND} "/usr/local/cuda/include")
ENDIF (WIN32)
ENDIF (APPLE)
FIND_PACKAGE_HANDLE_STANDARD_ARGS( OpenCL DEFAULT_MSG OPENCL_LIBRARIES OPENCL_INCLUDE_DIRS )
IF( _OPENCL_CPP_INCLUDE_DIRS )
SET( OPENCL_HAS_CPP_BINDINGS TRUE )
LIST( APPEND OPENCL_INCLUDE_DIRS ${_OPENCL_CPP_INCLUDE_DIRS} )
# This is often the same, so clean up
LIST( REMOVE_DUPLICATES OPENCL_INCLUDE_DIRS )
ENDIF( _OPENCL_CPP_INCLUDE_DIRS )
MARK_AS_ADVANCED(
OPENCL_INCLUDE_DIRS
)
mark_as_advanced(
OpenCL_INCLUDE_DIR
OpenCL_LIBRARY)

382
Godeps/_workspace/src/github.com/ethereum/ethash/cmake/modules/FindPackageHandleStandardArgs.cmake generated vendored Normal file
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@ -0,0 +1,382 @@
#.rst:
# FindPackageHandleStandardArgs
# -----------------------------
#
#
#
# FIND_PACKAGE_HANDLE_STANDARD_ARGS(<name> ... )
#
# This function is intended to be used in FindXXX.cmake modules files.
# It handles the REQUIRED, QUIET and version-related arguments to
# find_package(). It also sets the <packagename>_FOUND variable. The
# package is considered found if all variables <var1>... listed contain
# valid results, e.g. valid filepaths.
#
# There are two modes of this function. The first argument in both
# modes is the name of the Find-module where it is called (in original
# casing).
#
# The first simple mode looks like this:
#
# ::
#
# FIND_PACKAGE_HANDLE_STANDARD_ARGS(<name>
# (DEFAULT_MSG|"Custom failure message") <var1>...<varN> )
#
# If the variables <var1> to <varN> are all valid, then
# <UPPERCASED_NAME>_FOUND will be set to TRUE. If DEFAULT_MSG is given
# as second argument, then the function will generate itself useful
# success and error messages. You can also supply a custom error
# message for the failure case. This is not recommended.
#
# The second mode is more powerful and also supports version checking:
#
# ::
#
# FIND_PACKAGE_HANDLE_STANDARD_ARGS(NAME
# [FOUND_VAR <resultVar>]
# [REQUIRED_VARS <var1>...<varN>]
# [VERSION_VAR <versionvar>]
# [HANDLE_COMPONENTS]
# [CONFIG_MODE]
# [FAIL_MESSAGE "Custom failure message"] )
#
# In this mode, the name of the result-variable can be set either to
# either <UPPERCASED_NAME>_FOUND or <OriginalCase_Name>_FOUND using the
# FOUND_VAR option. Other names for the result-variable are not
# allowed. So for a Find-module named FindFooBar.cmake, the two
# possible names are FooBar_FOUND and FOOBAR_FOUND. It is recommended
# to use the original case version. If the FOUND_VAR option is not
# used, the default is <UPPERCASED_NAME>_FOUND.
#
# As in the simple mode, if <var1> through <varN> are all valid,
# <packagename>_FOUND will be set to TRUE. After REQUIRED_VARS the
# variables which are required for this package are listed. Following
# VERSION_VAR the name of the variable can be specified which holds the
# version of the package which has been found. If this is done, this
# version will be checked against the (potentially) specified required
# version used in the find_package() call. The EXACT keyword is also
# handled. The default messages include information about the required
# version and the version which has been actually found, both if the
# version is ok or not. If the package supports components, use the
# HANDLE_COMPONENTS option to enable handling them. In this case,
# find_package_handle_standard_args() will report which components have
# been found and which are missing, and the <packagename>_FOUND variable
# will be set to FALSE if any of the required components (i.e. not the
# ones listed after OPTIONAL_COMPONENTS) are missing. Use the option
# CONFIG_MODE if your FindXXX.cmake module is a wrapper for a
# find_package(... NO_MODULE) call. In this case VERSION_VAR will be
# set to <NAME>_VERSION and the macro will automatically check whether
# the Config module was found. Via FAIL_MESSAGE a custom failure
# message can be specified, if this is not used, the default message
# will be displayed.
#
# Example for mode 1:
#
# ::
#
# find_package_handle_standard_args(LibXml2 DEFAULT_MSG
# LIBXML2_LIBRARY LIBXML2_INCLUDE_DIR)
#
#
#
# LibXml2 is considered to be found, if both LIBXML2_LIBRARY and
# LIBXML2_INCLUDE_DIR are valid. Then also LIBXML2_FOUND is set to
# TRUE. If it is not found and REQUIRED was used, it fails with
# FATAL_ERROR, independent whether QUIET was used or not. If it is
# found, success will be reported, including the content of <var1>. On
# repeated Cmake runs, the same message won't be printed again.
#
# Example for mode 2:
#
# ::
#
# find_package_handle_standard_args(LibXslt
# FOUND_VAR LibXslt_FOUND
# REQUIRED_VARS LibXslt_LIBRARIES LibXslt_INCLUDE_DIRS
# VERSION_VAR LibXslt_VERSION_STRING)
#
# In this case, LibXslt is considered to be found if the variable(s)
# listed after REQUIRED_VAR are all valid, i.e. LibXslt_LIBRARIES and
# LibXslt_INCLUDE_DIRS in this case. The result will then be stored in
# LibXslt_FOUND . Also the version of LibXslt will be checked by using
# the version contained in LibXslt_VERSION_STRING. Since no
# FAIL_MESSAGE is given, the default messages will be printed.
#
# Another example for mode 2:
#
# ::
#
# find_package(Automoc4 QUIET NO_MODULE HINTS /opt/automoc4)
# find_package_handle_standard_args(Automoc4 CONFIG_MODE)
#
# In this case, FindAutmoc4.cmake wraps a call to find_package(Automoc4
# NO_MODULE) and adds an additional search directory for automoc4. Here
# the result will be stored in AUTOMOC4_FOUND. The following
# FIND_PACKAGE_HANDLE_STANDARD_ARGS() call produces a proper
# success/error message.
#=============================================================================
# Copyright 2007-2009 Kitware, Inc.
#
# Distributed under the OSI-approved BSD License (the "License");
# see accompanying file Copyright.txt for details.
#
# This software is distributed WITHOUT ANY WARRANTY; without even the
# implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
# See the License for more information.
#=============================================================================
# (To distribute this file outside of CMake, substitute the full
# License text for the above reference.)
include(${CMAKE_CURRENT_LIST_DIR}/FindPackageMessage.cmake)
include(${CMAKE_CURRENT_LIST_DIR}/CMakeParseArguments.cmake)
# internal helper macro
macro(_FPHSA_FAILURE_MESSAGE _msg)
if (${_NAME}_FIND_REQUIRED)
message(FATAL_ERROR "${_msg}")
else ()
if (NOT ${_NAME}_FIND_QUIETLY)
message(STATUS "${_msg}")
endif ()
endif ()
endmacro()
# internal helper macro to generate the failure message when used in CONFIG_MODE:
macro(_FPHSA_HANDLE_FAILURE_CONFIG_MODE)
# <name>_CONFIG is set, but FOUND is false, this means that some other of the REQUIRED_VARS was not found:
if(${_NAME}_CONFIG)
_FPHSA_FAILURE_MESSAGE("${FPHSA_FAIL_MESSAGE}: missing: ${MISSING_VARS} (found ${${_NAME}_CONFIG} ${VERSION_MSG})")
else()
# If _CONSIDERED_CONFIGS is set, the config-file has been found, but no suitable version.
# List them all in the error message:
if(${_NAME}_CONSIDERED_CONFIGS)
set(configsText "")
list(LENGTH ${_NAME}_CONSIDERED_CONFIGS configsCount)
math(EXPR configsCount "${configsCount} - 1")
foreach(currentConfigIndex RANGE ${configsCount})
list(GET ${_NAME}_CONSIDERED_CONFIGS ${currentConfigIndex} filename)
list(GET ${_NAME}_CONSIDERED_VERSIONS ${currentConfigIndex} version)
set(configsText "${configsText} ${filename} (version ${version})\n")
endforeach()
if (${_NAME}_NOT_FOUND_MESSAGE)
set(configsText "${configsText} Reason given by package: ${${_NAME}_NOT_FOUND_MESSAGE}\n")
endif()
_FPHSA_FAILURE_MESSAGE("${FPHSA_FAIL_MESSAGE} ${VERSION_MSG}, checked the following files:\n${configsText}")
else()
# Simple case: No Config-file was found at all:
_FPHSA_FAILURE_MESSAGE("${FPHSA_FAIL_MESSAGE}: found neither ${_NAME}Config.cmake nor ${_NAME_LOWER}-config.cmake ${VERSION_MSG}")
endif()
endif()
endmacro()
function(FIND_PACKAGE_HANDLE_STANDARD_ARGS _NAME _FIRST_ARG)
# set up the arguments for CMAKE_PARSE_ARGUMENTS and check whether we are in
# new extended or in the "old" mode:
set(options CONFIG_MODE HANDLE_COMPONENTS)
set(oneValueArgs FAIL_MESSAGE VERSION_VAR FOUND_VAR)
set(multiValueArgs REQUIRED_VARS)
set(_KEYWORDS_FOR_EXTENDED_MODE ${options} ${oneValueArgs} ${multiValueArgs} )
list(FIND _KEYWORDS_FOR_EXTENDED_MODE "${_FIRST_ARG}" INDEX)
if(${INDEX} EQUAL -1)
set(FPHSA_FAIL_MESSAGE ${_FIRST_ARG})
set(FPHSA_REQUIRED_VARS ${ARGN})
set(FPHSA_VERSION_VAR)
else()
CMAKE_PARSE_ARGUMENTS(FPHSA "${options}" "${oneValueArgs}" "${multiValueArgs}" ${_FIRST_ARG} ${ARGN})
if(FPHSA_UNPARSED_ARGUMENTS)
message(FATAL_ERROR "Unknown keywords given to FIND_PACKAGE_HANDLE_STANDARD_ARGS(): \"${FPHSA_UNPARSED_ARGUMENTS}\"")
endif()
if(NOT FPHSA_FAIL_MESSAGE)
set(FPHSA_FAIL_MESSAGE "DEFAULT_MSG")
endif()
endif()
# now that we collected all arguments, process them
if("x${FPHSA_FAIL_MESSAGE}" STREQUAL "xDEFAULT_MSG")
set(FPHSA_FAIL_MESSAGE "Could NOT find ${_NAME}")
endif()
# In config-mode, we rely on the variable <package>_CONFIG, which is set by find_package()
# when it successfully found the config-file, including version checking:
if(FPHSA_CONFIG_MODE)
list(INSERT FPHSA_REQUIRED_VARS 0 ${_NAME}_CONFIG)
list(REMOVE_DUPLICATES FPHSA_REQUIRED_VARS)
set(FPHSA_VERSION_VAR ${_NAME}_VERSION)
endif()
if(NOT FPHSA_REQUIRED_VARS)
message(FATAL_ERROR "No REQUIRED_VARS specified for FIND_PACKAGE_HANDLE_STANDARD_ARGS()")
endif()
list(GET FPHSA_REQUIRED_VARS 0 _FIRST_REQUIRED_VAR)
string(TOUPPER ${_NAME} _NAME_UPPER)
string(TOLOWER ${_NAME} _NAME_LOWER)
if(FPHSA_FOUND_VAR)
if(FPHSA_FOUND_VAR MATCHES "^${_NAME}_FOUND$" OR FPHSA_FOUND_VAR MATCHES "^${_NAME_UPPER}_FOUND$")
set(_FOUND_VAR ${FPHSA_FOUND_VAR})
else()
message(FATAL_ERROR "The argument for FOUND_VAR is \"${FPHSA_FOUND_VAR}\", but only \"${_NAME}_FOUND\" and \"${_NAME_UPPER}_FOUND\" are valid names.")
endif()
else()
set(_FOUND_VAR ${_NAME_UPPER}_FOUND)
endif()
# collect all variables which were not found, so they can be printed, so the
# user knows better what went wrong (#6375)
set(MISSING_VARS "")
set(DETAILS "")
# check if all passed variables are valid
unset(${_FOUND_VAR})
foreach(_CURRENT_VAR ${FPHSA_REQUIRED_VARS})
if(NOT ${_CURRENT_VAR})
set(${_FOUND_VAR} FALSE)
set(MISSING_VARS "${MISSING_VARS} ${_CURRENT_VAR}")
else()
set(DETAILS "${DETAILS}[${${_CURRENT_VAR}}]")
endif()
endforeach()
if(NOT "${${_FOUND_VAR}}" STREQUAL "FALSE")
set(${_FOUND_VAR} TRUE)
endif()
# component handling
unset(FOUND_COMPONENTS_MSG)
unset(MISSING_COMPONENTS_MSG)
if(FPHSA_HANDLE_COMPONENTS)
foreach(comp ${${_NAME}_FIND_COMPONENTS})
if(${_NAME}_${comp}_FOUND)
if(NOT DEFINED FOUND_COMPONENTS_MSG)
set(FOUND_COMPONENTS_MSG "found components: ")
endif()
set(FOUND_COMPONENTS_MSG "${FOUND_COMPONENTS_MSG} ${comp}")
else()
if(NOT DEFINED MISSING_COMPONENTS_MSG)
set(MISSING_COMPONENTS_MSG "missing components: ")
endif()
set(MISSING_COMPONENTS_MSG "${MISSING_COMPONENTS_MSG} ${comp}")
if(${_NAME}_FIND_REQUIRED_${comp})
set(${_FOUND_VAR} FALSE)
set(MISSING_VARS "${MISSING_VARS} ${comp}")
endif()
endif()
endforeach()
set(COMPONENT_MSG "${FOUND_COMPONENTS_MSG} ${MISSING_COMPONENTS_MSG}")
set(DETAILS "${DETAILS}[c${COMPONENT_MSG}]")
endif()
# version handling:
set(VERSION_MSG "")
set(VERSION_OK TRUE)
set(VERSION ${${FPHSA_VERSION_VAR}})
# check with DEFINED here as the requested or found version may be "0"
if (DEFINED ${_NAME}_FIND_VERSION)
if(DEFINED ${FPHSA_VERSION_VAR})
if(${_NAME}_FIND_VERSION_EXACT) # exact version required
# count the dots in the version string
string(REGEX REPLACE "[^.]" "" _VERSION_DOTS "${VERSION}")
# add one dot because there is one dot more than there are components
string(LENGTH "${_VERSION_DOTS}." _VERSION_DOTS)
if (_VERSION_DOTS GREATER ${_NAME}_FIND_VERSION_COUNT)
# Because of the C++ implementation of find_package() ${_NAME}_FIND_VERSION_COUNT
# is at most 4 here. Therefore a simple lookup table is used.
if (${_NAME}_FIND_VERSION_COUNT EQUAL 1)
set(_VERSION_REGEX "[^.]*")
elseif (${_NAME}_FIND_VERSION_COUNT EQUAL 2)
set(_VERSION_REGEX "[^.]*\\.[^.]*")
elseif (${_NAME}_FIND_VERSION_COUNT EQUAL 3)
set(_VERSION_REGEX "[^.]*\\.[^.]*\\.[^.]*")
else ()
set(_VERSION_REGEX "[^.]*\\.[^.]*\\.[^.]*\\.[^.]*")
endif ()
string(REGEX REPLACE "^(${_VERSION_REGEX})\\..*" "\\1" _VERSION_HEAD "${VERSION}")
unset(_VERSION_REGEX)
if (NOT ${_NAME}_FIND_VERSION VERSION_EQUAL _VERSION_HEAD)
set(VERSION_MSG "Found unsuitable version \"${VERSION}\", but required is exact version \"${${_NAME}_FIND_VERSION}\"")
set(VERSION_OK FALSE)
else ()
set(VERSION_MSG "(found suitable exact version \"${VERSION}\")")
endif ()
unset(_VERSION_HEAD)
else ()
if (NOT "${${_NAME}_FIND_VERSION}" VERSION_EQUAL "${VERSION}")
set(VERSION_MSG "Found unsuitable version \"${VERSION}\", but required is exact version \"${${_NAME}_FIND_VERSION}\"")
set(VERSION_OK FALSE)
else ()
set(VERSION_MSG "(found suitable exact version \"${VERSION}\")")
endif ()
endif ()
unset(_VERSION_DOTS)
else() # minimum version specified:
if ("${${_NAME}_FIND_VERSION}" VERSION_GREATER "${VERSION}")
set(VERSION_MSG "Found unsuitable version \"${VERSION}\", but required is at least \"${${_NAME}_FIND_VERSION}\"")
set(VERSION_OK FALSE)
else ()
set(VERSION_MSG "(found suitable version \"${VERSION}\", minimum required is \"${${_NAME}_FIND_VERSION}\")")
endif ()
endif()
else()
# if the package was not found, but a version was given, add that to the output:
if(${_NAME}_FIND_VERSION_EXACT)
set(VERSION_MSG "(Required is exact version \"${${_NAME}_FIND_VERSION}\")")
else()
set(VERSION_MSG "(Required is at least version \"${${_NAME}_FIND_VERSION}\")")
endif()
endif()
else ()
if(VERSION)
set(VERSION_MSG "(found version \"${VERSION}\")")
endif()
endif ()
if(VERSION_OK)
set(DETAILS "${DETAILS}[v${VERSION}(${${_NAME}_FIND_VERSION})]")
else()
set(${_FOUND_VAR} FALSE)
endif()
# print the result:
if (${_FOUND_VAR})
FIND_PACKAGE_MESSAGE(${_NAME} "Found ${_NAME}: ${${_FIRST_REQUIRED_VAR}} ${VERSION_MSG} ${COMPONENT_MSG}" "${DETAILS}")
else ()
if(FPHSA_CONFIG_MODE)
_FPHSA_HANDLE_FAILURE_CONFIG_MODE()
else()
if(NOT VERSION_OK)
_FPHSA_FAILURE_MESSAGE("${FPHSA_FAIL_MESSAGE}: ${VERSION_MSG} (found ${${_FIRST_REQUIRED_VAR}})")
else()
_FPHSA_FAILURE_MESSAGE("${FPHSA_FAIL_MESSAGE} (missing: ${MISSING_VARS}) ${VERSION_MSG}")
endif()
endif()
endif ()
set(${_FOUND_VAR} ${${_FOUND_VAR}} PARENT_SCOPE)
endfunction()

57
Godeps/_workspace/src/github.com/ethereum/ethash/cmake/modules/FindPackageMessage.cmake generated vendored Normal file
View File

@ -0,0 +1,57 @@
#.rst:
# FindPackageMessage
# ------------------
#
#
#
# FIND_PACKAGE_MESSAGE(<name> "message for user" "find result details")
#
# This macro is intended to be used in FindXXX.cmake modules files. It
# will print a message once for each unique find result. This is useful
# for telling the user where a package was found. The first argument
# specifies the name (XXX) of the package. The second argument
# specifies the message to display. The third argument lists details
# about the find result so that if they change the message will be
# displayed again. The macro also obeys the QUIET argument to the
# find_package command.
#
# Example:
#
# ::
#
# if(X11_FOUND)
# FIND_PACKAGE_MESSAGE(X11 "Found X11: ${X11_X11_LIB}"
# "[${X11_X11_LIB}][${X11_INCLUDE_DIR}]")
# else()
# ...
# endif()
#=============================================================================
# Copyright 2008-2009 Kitware, Inc.
#
# Distributed under the OSI-approved BSD License (the "License");
# see accompanying file Copyright.txt for details.
#
# This software is distributed WITHOUT ANY WARRANTY; without even the
# implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
# See the License for more information.
#=============================================================================
# (To distribute this file outside of CMake, substitute the full
# License text for the above reference.)
function(FIND_PACKAGE_MESSAGE pkg msg details)
# Avoid printing a message repeatedly for the same find result.
if(NOT ${pkg}_FIND_QUIETLY)
string(REPLACE "\n" "" details "${details}")
set(DETAILS_VAR FIND_PACKAGE_MESSAGE_DETAILS_${pkg})
if(NOT "${details}" STREQUAL "${${DETAILS_VAR}}")
# The message has not yet been printed.
message(STATUS "${msg}")
# Save the find details in the cache to avoid printing the same
# message again.
set("${DETAILS_VAR}" "${details}"
CACHE INTERNAL "Details about finding ${pkg}")
endif()
endif()
endfunction()

215
Godeps/_workspace/src/github.com/ethereum/ethash/ethash.go generated vendored
View File

@ -2,32 +2,39 @@ package ethash
/*
#cgo CFLAGS: -std=gnu99 -Wall
#include "libethash/ethash.h"
#include "libethash/util.c"
#include "libethash/internal.c"
#include "libethash/sha3.c"
#include "src/libethash/util.c"
#include "src/libethash/internal.c"
#include "src/libethash/sha3.c"
*/
import "C"
import (
"bytes"
"encoding/binary"
"fmt"
"io/ioutil"
"log"
"math/big"
"math/rand"
"os"
"path"
"sync"
"time"
"unsafe"
"github.com/ethereum/go-ethereum/ethutil"
"github.com/ethereum/go-ethereum/logger"
"github.com/ethereum/go-ethereum/pow"
)
var tt256 = new(big.Int).Exp(big.NewInt(2), big.NewInt(256), big.NewInt(0))
var powlogger = logger.NewLogger("POW")
type DAG struct {
SeedBlockNum uint64
dag unsafe.Pointer // full GB of memory for dag
file bool
}
type ParamsAndCache struct {
@ -59,16 +66,28 @@ func parseNonce(nonce []byte) (uint64, error) {
const epochLength uint64 = 30000
func getSeedBlockNum(blockNum uint64) uint64 {
func GetSeedBlockNum(blockNum uint64) uint64 {
var seedBlockNum uint64 = 0
if blockNum >= 2*epochLength {
seedBlockNum = ((blockNum / epochLength) - 1) * epochLength
if blockNum > epochLength {
seedBlockNum = ((blockNum - 1) / epochLength) * epochLength
}
return seedBlockNum
}
/*
XXX THIS DOESN'T WORK!! NEEDS FIXING
blockEpoch will underflow and wrap around causing massive issues
func GetSeedBlockNum(blockNum uint64) uint64 {
var seedBlockNum uint64 = 0
if blockNum > epochLength {
seedBlockNum = ((blockNum - 1) / epochLength) * epochLength
}
return seedBlockNum
}
*/
func makeParamsAndCache(chainManager pow.ChainManager, blockNum uint64) *ParamsAndCache {
seedBlockNum := getSeedBlockNum(blockNum)
seedBlockNum := GetSeedBlockNum(blockNum)
paramsAndCache := &ParamsAndCache{
params: new(C.ethash_params),
cache: new(C.ethash_cache),
@ -76,19 +95,19 @@ func makeParamsAndCache(chainManager pow.ChainManager, blockNum uint64) *ParamsA
}
C.ethash_params_init(paramsAndCache.params, C.uint32_t(seedBlockNum))
paramsAndCache.cache.mem = C.malloc(paramsAndCache.params.cache_size)
seedHash := chainManager.GetBlockByNumber(seedBlockNum).Header().Hash()
log.Println("Params", paramsAndCache.params)
seedHash := chainManager.GetBlockByNumber(seedBlockNum).SeedHash()
log.Println("Making Cache")
start := time.Now()
C.ethash_mkcache(paramsAndCache.cache, paramsAndCache.params, (*C.uint8_t)((unsafe.Pointer)(&seedHash[0])))
C.ethash_mkcache(paramsAndCache.cache, paramsAndCache.params, (*C.uint8_t)(unsafe.Pointer(&seedHash[0])))
log.Println("Took:", time.Since(start))
return paramsAndCache
}
func (pow *Ethash) updateCache() {
pow.cacheMutex.Lock()
seedNum := getSeedBlockNum(pow.chainManager.CurrentBlock().NumberU64())
seedNum := GetSeedBlockNum(pow.chainManager.CurrentBlock().NumberU64())
if pow.paramsAndCache.SeedBlockNum != seedNum {
pow.paramsAndCache = makeParamsAndCache(pow.chainManager, pow.chainManager.CurrentBlock().NumberU64())
}
@ -104,17 +123,66 @@ func makeDAG(p *ParamsAndCache) *DAG {
return d
}
func (pow *Ethash) updateDAG() {
func (pow *Ethash) writeDagToDisk(dag *DAG, seedNum uint64) *os.File {
data := C.GoBytes(unsafe.Pointer(dag.dag), C.int(pow.paramsAndCache.params.full_size))
file, err := os.Create("/tmp/dag")
if err != nil {
panic(err)
}
num := make([]byte, 8)
binary.BigEndian.PutUint64(num, seedNum)
file.Write(num)
file.Write(data)
return file
}
func (pow *Ethash) UpdateDAG() {
pow.cacheMutex.Lock()
pow.dagMutex.Lock()
seedNum := getSeedBlockNum(pow.chainManager.CurrentBlock().NumberU64())
seedNum := GetSeedBlockNum(pow.chainManager.CurrentBlock().NumberU64())
if pow.dag == nil || pow.dag.SeedBlockNum != seedNum {
if pow.dag != nil && pow.dag.dag != nil {
C.free(pow.dag.dag)
pow.dag.dag = nil
}
path := path.Join("/", "tmp", "dag")
pow.dag = nil
log.Println("Making Dag")
log.Println("Generating dag")
start := time.Now()
pow.dag = makeDAG(pow.paramsAndCache)
file, err := os.Open(path)
if err != nil {
log.Printf("No dag found in '%s'. Generating new dago(takes a while)...", path)
pow.dag = makeDAG(pow.paramsAndCache)
file = pow.writeDagToDisk(pow.dag, seedNum)
} else {
data, err := ioutil.ReadAll(file)
if err != nil {
panic(err)
}
num := binary.BigEndian.Uint64(data[0:8])
if num < seedNum {
log.Printf("Old found. Generating new dag (takes a while)...")
pow.dag = makeDAG(pow.paramsAndCache)
file = pow.writeDagToDisk(pow.dag, seedNum)
} else {
data = data[8:]
pow.dag = &DAG{
dag: unsafe.Pointer(&data[0]),
file: true,
SeedBlockNum: pow.paramsAndCache.SeedBlockNum,
}
}
}
log.Println("Took:", time.Since(start))
file.Close()
}
pow.dagMutex.Unlock()
@ -123,11 +191,10 @@ func (pow *Ethash) updateDAG() {
func New(chainManager pow.ChainManager) *Ethash {
return &Ethash{
turbo: false,
turbo: true,
paramsAndCache: makeParamsAndCache(chainManager, chainManager.CurrentBlock().NumberU64()),
chainManager: chainManager,
dag: nil,
ret: new(C.ethash_return_value),
cacheMutex: new(sync.Mutex),
dagMutex: new(sync.Mutex),
}
@ -142,73 +209,70 @@ func (pow *Ethash) CacheSize() uint64 {
}
func (pow *Ethash) GetSeedHash(blockNum uint64) []byte {
return pow.chainManager.GetBlockByNumber(getSeedBlockNum(blockNum)).Header().Hash()
seednum := GetSeedBlockNum(blockNum)
return pow.chainManager.GetBlockByNumber(seednum).SeedHash()
}
func (pow *Ethash) Stop() {
pow.cacheMutex.Lock()
pow.dagMutex.Lock()
defer pow.dagMutex.Unlock()
defer pow.cacheMutex.Unlock()
if pow.paramsAndCache.cache != nil {
C.free(pow.paramsAndCache.cache.mem)
}
if pow.dag != nil {
if pow.dag.dag != nil && !pow.dag.file {
C.free(pow.dag.dag)
}
pow.dagMutex.Unlock()
pow.cacheMutex.Unlock()
pow.dag.dag = nil
}
func (pow *Ethash) Search(block pow.Block, stop <-chan struct{}) ([]byte, []byte, []byte) {
pow.updateDAG()
func (pow *Ethash) Search(block pow.Block, stop <-chan struct{}) (uint64, []byte, []byte) {
//pow.UpdateDAG()
// Not very elegant, multiple mining instances are not supported
pow.dagMutex.Lock()
pow.cacheMutex.Lock()
defer pow.cacheMutex.Unlock()
defer pow.dagMutex.Unlock()
//pow.dagMutex.Lock()
//pow.cacheMutex.Lock()
//defer pow.cacheMutex.Unlock()
//defer pow.dagMutex.Unlock()
r := rand.New(rand.NewSource(time.Now().UnixNano()))
miningHash := block.HashNoNonce()
diff := block.Difficulty()
log.Println("difficulty", diff)
i := int64(0)
starti := i
start := time.Now().UnixNano()
t := time.Now()
nonce := uint64(r.Int63())
cMiningHash := (*C.uint8_t)(unsafe.Pointer(&miningHash[0]))
target := new(big.Int).Div(tt256, diff)
var ret C.ethash_return_value
for {
select {
case <-stop:
powlogger.Infoln("Breaking from mining")
pow.HashRate = 0
pow.dagMutex.Unlock()
return nil, nil, nil
return 0, nil, nil
default:
i++
if time.Since(t) > (1 * time.Second) {
elapsed := time.Now().UnixNano() - start
hashes := ((float64(1e9) / float64(elapsed)) * float64(i)) / 1000
pow.HashRate = int64(hashes)
powlogger.Infoln("Hashing @", pow.HashRate, "khash")
elapsed := time.Now().UnixNano() - start
hashes := ((float64(1e9) / float64(elapsed)) * float64(i-starti)) / 1000
pow.HashRate = int64(hashes)
C.ethash_full(&ret, pow.dag.dag, pow.paramsAndCache.params, cMiningHash, C.uint64_t(nonce))
result := ethutil.Bytes2Big(C.GoBytes(unsafe.Pointer(&ret.result[0]), C.int(32)))
if result.Cmp(target) <= 0 {
mixDigest := C.GoBytes(unsafe.Pointer(&ret.mix_hash[0]), C.int(32))
return nonce, mixDigest, pow.GetSeedHash(block.NumberU64())
t = time.Now()
}
cMiningHash := (*C.uint8_t)(unsafe.Pointer(&miningHash))
cnonce := C.uint64_t(nonce)
log.Printf("seed hash, nonce: %x %x\n", miningHash, nonce)
// pow.hash is the output/return of ethash_full
C.ethash_full(pow.ret, pow.dag.dag, pow.paramsAndCache.params, cMiningHash, cnonce)
res := C.ethash_check_difficulty((*C.uint8_t)(&pow.ret.result[0]), (*C.uint8_t)(unsafe.Pointer(&diff.Bytes()[0])))
if res == 1 {
mixDigest := C.GoBytes(unsafe.Pointer(&pow.ret.mix_hash[0]), 32)
// We don't really nead 32 bytes here
buf := make([]byte, 32)
binary.PutUvarint(buf, nonce)
return buf, mixDigest, pow.GetSeedHash(block.NumberU64())
}
nonce += 1
}
@ -216,43 +280,32 @@ func (pow *Ethash) Search(block pow.Block, stop <-chan struct{}) ([]byte, []byte
time.Sleep(20 * time.Microsecond)
}
}
}
func (pow *Ethash) Verify(block pow.Block) bool {
// Make sure the SeedHash is set correctly
if bytes.Compare(block.SeedHash(), pow.GetSeedHash(block.NumberU64())) != 0 {
log.Println("Block had wrong SeedHash")
log.Println("Expected: ", pow.GetSeedHash(block.NumberU64()))
log.Println("Actual: ", block.SeedHash())
return false
}
nonceInt, err := parseNonce(block.Nonce())
if err != nil {
log.Println("nonce to int err:", err)
return false
}
return pow.verify(block.HashNoNonce(), block.MixDigest(), block.Difficulty(), block.NumberU64(), nonceInt)
return pow.verify(block.HashNoNonce(), block.MixDigest(), block.Difficulty(), block.NumberU64(), block.Nonce())
}
func (pow *Ethash) verify(hash []byte, mixDigest []byte, difficulty *big.Int, blockNum uint64, nonce uint64) bool {
fmt.Printf("%x\n%d\n%x\n%x\n", hash, nonce, mixDigest, difficulty.Bytes())
// First check: make sure header, mixDigest, nonce are correct without hitting the DAG
// This is to prevent DOS attacks
chash := (*C.uint8_t)(unsafe.Pointer(&hash))
chash := (*C.uint8_t)(unsafe.Pointer(&hash[0]))
cnonce := C.uint64_t(nonce)
cmixDigest := (*C.uint8_t)(unsafe.Pointer(&mixDigest))
cdifficulty := (*C.uint8_t)(unsafe.Pointer(&difficulty.Bytes()[0]))
if C.ethash_quick_check_difficulty(chash, cnonce, cmixDigest, cdifficulty) != 1 {
log.Println("Failed to pass quick check. Are you sure that the mix digest is correct?")
return false
}
target := new(big.Int).Div(tt256, difficulty)
var pAc *ParamsAndCache
// If its an old block (doesn't use the current cache)
// get the cache for it but don't update (so we don't need the mutex)
// Otherwise, it's the current block or a future.
// If current, updateCache will do nothing.
if getSeedBlockNum(blockNum) < pow.paramsAndCache.SeedBlockNum {
if GetSeedBlockNum(blockNum) < pow.paramsAndCache.SeedBlockNum {
pAc = makeParamsAndCache(pow.chainManager, blockNum)
} else {
pow.updateCache()
@ -261,9 +314,12 @@ func (pow *Ethash) verify(hash []byte, mixDigest []byte, difficulty *big.Int, bl
pAc = pow.paramsAndCache
}
C.ethash_light(pow.ret, pAc.cache, pAc.params, chash, cnonce)
res := C.ethash_check_difficulty((*C.uint8_t)(unsafe.Pointer(&pow.ret.result[0])), cdifficulty)
return res == 1
ret := new(C.ethash_return_value)
C.ethash_light(ret, pAc.cache, pAc.params, chash, cnonce)
result := ethutil.Bytes2Big(C.GoBytes(unsafe.Pointer(&ret.result[0]), C.int(32)))
return result.Cmp(target) <= 0
}
func (pow *Ethash) GetHashrate() int64 {
@ -275,22 +331,23 @@ func (pow *Ethash) Turbo(on bool) {
}
func (pow *Ethash) FullHash(nonce uint64, miningHash []byte) []byte {
pow.updateDAG()
pow.UpdateDAG()
pow.dagMutex.Lock()
defer pow.dagMutex.Unlock()
cMiningHash := (*C.uint8_t)(unsafe.Pointer(&miningHash))
cMiningHash := (*C.uint8_t)(unsafe.Pointer(&miningHash[0]))
cnonce := C.uint64_t(nonce)
log.Println("seed hash, nonce:", miningHash, nonce)
ret := new(C.ethash_return_value)
// pow.hash is the output/return of ethash_full
C.ethash_full(pow.ret, pow.dag.dag, pow.paramsAndCache.params, cMiningHash, cnonce)
ghash_full := C.GoBytes(unsafe.Pointer(&pow.ret.result[0]), 32)
C.ethash_full(ret, pow.dag.dag, pow.paramsAndCache.params, cMiningHash, cnonce)
ghash_full := C.GoBytes(unsafe.Pointer(&ret.result), 32)
return ghash_full
}
func (pow *Ethash) LightHash(nonce uint64, miningHash []byte) []byte {
cMiningHash := (*C.uint8_t)(unsafe.Pointer(&miningHash))
cMiningHash := (*C.uint8_t)(unsafe.Pointer(&miningHash[0]))
cnonce := C.uint64_t(nonce)
C.ethash_light(pow.ret, pow.paramsAndCache.cache, pow.paramsAndCache.params, cMiningHash, cnonce)
ghash_light := C.GoBytes(unsafe.Pointer(&pow.ret.result[0]), 32)
ret := new(C.ethash_return_value)
C.ethash_light(ret, pow.paramsAndCache.cache, pow.paramsAndCache.params, cMiningHash, cnonce)
ghash_light := C.GoBytes(unsafe.Pointer(&ret.result), 32)
return ghash_light
}

22
Godeps/_workspace/src/github.com/ethereum/ethash/js/LICENSE generated vendored Normal file
View File

@ -0,0 +1,22 @@
The MIT License (MIT)
Copyright (c) 2015 Tim Hughes
Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in all
copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
SOFTWARE.

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// ethash.js
// Tim Hughes <tim@twistedfury.com>
// Revision 19
/*jslint node: true, shadow:true */
"use strict";
var Keccak = require('./keccak');
var util = require('./util');
// 32-bit unsigned modulo
function mod32(x, n)
{
return (x>>>0) % (n>>>0);
}
function fnv(x, y)
{
// js integer multiply by 0x01000193 will lose precision
return ((x*0x01000000 | 0) + (x*0x193 | 0)) ^ y;
}
function computeCache(params, seedWords)
{
var cache = new Uint32Array(params.cacheSize >> 2);
var cacheNodeCount = params.cacheSize >> 6;
// Initialize cache
var keccak = new Keccak();
keccak.digestWords(cache, 0, 16, seedWords, 0, seedWords.length);
for (var n = 1; n < cacheNodeCount; ++n)
{
keccak.digestWords(cache, n<<4, 16, cache, (n-1)<<4, 16);
}
var tmp = new Uint32Array(16);
// Do randmemohash passes
for (var r = 0; r < params.cacheRounds; ++r)
{
for (var n = 0; n < cacheNodeCount; ++n)
{
var p0 = mod32(n + cacheNodeCount - 1, cacheNodeCount) << 4;
var p1 = mod32(cache[n<<4|0], cacheNodeCount) << 4;
for (var w = 0; w < 16; w=(w+1)|0)
{
tmp[w] = cache[p0 | w] ^ cache[p1 | w];
}
keccak.digestWords(cache, n<<4, 16, tmp, 0, tmp.length);
}
}
return cache;
}
function computeDagNode(o_node, params, cache, keccak, nodeIndex)
{
var cacheNodeCount = params.cacheSize >> 6;
var dagParents = params.dagParents;
var c = (nodeIndex % cacheNodeCount) << 4;
var mix = o_node;
for (var w = 0; w < 16; ++w)
{
mix[w] = cache[c|w];
}
mix[0] ^= nodeIndex;
keccak.digestWords(mix, 0, 16, mix, 0, 16);
for (var p = 0; p < dagParents; ++p)
{
// compute cache node (word) index
c = mod32(fnv(nodeIndex ^ p, mix[p&15]), cacheNodeCount) << 4;
for (var w = 0; w < 16; ++w)
{
mix[w] = fnv(mix[w], cache[c|w]);
}
}
keccak.digestWords(mix, 0, 16, mix, 0, 16);
}
function computeHashInner(mix, params, cache, keccak, tempNode)
{
var mixParents = params.mixParents|0;
var mixWordCount = params.mixSize >> 2;
var mixNodeCount = mixWordCount >> 4;
var dagPageCount = (params.dagSize / params.mixSize) >> 0;
// grab initial first word
var s0 = mix[0];
// initialise mix from initial 64 bytes
for (var w = 16; w < mixWordCount; ++w)
{
mix[w] = mix[w & 15];
}
for (var a = 0; a < mixParents; ++a)
{
var p = mod32(fnv(s0 ^ a, mix[a & (mixWordCount-1)]), dagPageCount);
var d = (p * mixNodeCount)|0;
for (var n = 0, w = 0; n < mixNodeCount; ++n, w += 16)
{
computeDagNode(tempNode, params, cache, keccak, (d + n)|0);
for (var v = 0; v < 16; ++v)
{
mix[w|v] = fnv(mix[w|v], tempNode[v]);
}
}
}
}
function convertSeed(seed)
{
// todo, reconcile with spec, byte ordering?
// todo, big-endian conversion
var newSeed = util.toWords(seed);
if (newSeed === null)
throw Error("Invalid seed '" + seed + "'");
return newSeed;
}
exports.defaultParams = function()
{
return {
cacheSize: 1048384,
cacheRounds: 3,
dagSize: 1073739904,
dagParents: 256,
mixSize: 128,
mixParents: 64,
};
};
exports.Ethash = function(params, seed)
{
// precompute cache and related values
seed = convertSeed(seed);
var cache = computeCache(params, seed);
// preallocate buffers/etc
var initBuf = new ArrayBuffer(96);
var initBytes = new Uint8Array(initBuf);
var initWords = new Uint32Array(initBuf);
var mixWords = new Uint32Array(params.mixSize / 4);
var tempNode = new Uint32Array(16);
var keccak = new Keccak();
var retWords = new Uint32Array(8);
var retBytes = new Uint8Array(retWords.buffer); // supposedly read-only
this.hash = function(header, nonce)
{
// compute initial hash
initBytes.set(header, 0);
initBytes.set(nonce, 32);
keccak.digestWords(initWords, 0, 16, initWords, 0, 8 + nonce.length/4);
// compute mix
for (var i = 0; i != 16; ++i)
{
mixWords[i] = initWords[i];
}
computeHashInner(mixWords, params, cache, keccak, tempNode);
// compress mix and append to initWords
for (var i = 0; i != mixWords.length; i += 4)
{
initWords[16 + i/4] = fnv(fnv(fnv(mixWords[i], mixWords[i+1]), mixWords[i+2]), mixWords[i+3]);
}
// final Keccak hashes
keccak.digestWords(retWords, 0, 8, initWords, 0, 24); // Keccak-256(s + cmix)
return retBytes;
};
this.cacheDigest = function()
{
return keccak.digest(32, new Uint8Array(cache.buffer));
};
};

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// keccak.js
// Tim Hughes <tim@twistedfury.com>
// derived from Markku-Juhani O. Saarinen's C code (http://keccak.noekeon.org/readable_code.html)
/*jslint node: true, shadow:true */
"use strict";
var Keccak_f1600_RC = new Uint32Array([
0x00000001, 0x00000000,
0x00008082, 0x00000000,
0x0000808a, 0x80000000,
0x80008000, 0x80000000,
0x0000808b, 0x00000000,
0x80000001, 0x00000000,
0x80008081, 0x80000000,
0x00008009, 0x80000000,
0x0000008a, 0x00000000,
0x00000088, 0x00000000,
0x80008009, 0x00000000,
0x8000000a, 0x00000000,
0x8000808b, 0x00000000,
0x0000008b, 0x80000000,
0x00008089, 0x80000000,
0x00008003, 0x80000000,
0x00008002, 0x80000000,
0x00000080, 0x80000000,
0x0000800a, 0x00000000,
0x8000000a, 0x80000000,
0x80008081, 0x80000000,
0x00008080, 0x80000000,
0x80000001, 0x00000000,
0x80008008, 0x80000000
]);
function keccak_f1600(outState, outOffset, outSize, inState)
{
// todo, handle big endian loads
var a00l = inState[0]|0;
var a00h = inState[1]|0;
var a01l = inState[2]|0;
var a01h = inState[3]|0;
var a02l = inState[4]|0;
var a02h = inState[5]|0;
var a03l = inState[6]|0;
var a03h = inState[7]|0;
var a04l = inState[8]|0;
var a04h = inState[9]|0;
var a05l = inState[10]|0;
var a05h = inState[11]|0;
var a06l = inState[12]|0;
var a06h = inState[13]|0;
var a07l = inState[14]|0;
var a07h = inState[15]|0;
var a08l = inState[16]|0;
var a08h = inState[17]|0;
var a09l = inState[18]|0;
var a09h = inState[19]|0;
var a10l = inState[20]|0;
var a10h = inState[21]|0;
var a11l = inState[22]|0;
var a11h = inState[23]|0;
var a12l = inState[24]|0;
var a12h = inState[25]|0;
var a13l = inState[26]|0;
var a13h = inState[27]|0;
var a14l = inState[28]|0;
var a14h = inState[29]|0;
var a15l = inState[30]|0;
var a15h = inState[31]|0;
var a16l = inState[32]|0;
var a16h = inState[33]|0;
var a17l = inState[34]|0;
var a17h = inState[35]|0;
var a18l = inState[36]|0;
var a18h = inState[37]|0;
var a19l = inState[38]|0;
var a19h = inState[39]|0;
var a20l = inState[40]|0;
var a20h = inState[41]|0;
var a21l = inState[42]|0;
var a21h = inState[43]|0;
var a22l = inState[44]|0;
var a22h = inState[45]|0;
var a23l = inState[46]|0;
var a23h = inState[47]|0;
var a24l = inState[48]|0;
var a24h = inState[49]|0;
var b00l, b00h, b01l, b01h, b02l, b02h, b03l, b03h, b04l, b04h;
var b05l, b05h, b06l, b06h, b07l, b07h, b08l, b08h, b09l, b09h;
var b10l, b10h, b11l, b11h, b12l, b12h, b13l, b13h, b14l, b14h;
var b15l, b15h, b16l, b16h, b17l, b17h, b18l, b18h, b19l, b19h;
var b20l, b20h, b21l, b21h, b22l, b22h, b23l, b23h, b24l, b24h;
var tl, nl;
var th, nh;
for (var r = 0; r < 48; r = (r+2)|0)
{
// Theta
b00l = a00l ^ a05l ^ a10l ^ a15l ^ a20l;
b00h = a00h ^ a05h ^ a10h ^ a15h ^ a20h;
b01l = a01l ^ a06l ^ a11l ^ a16l ^ a21l;
b01h = a01h ^ a06h ^ a11h ^ a16h ^ a21h;
b02l = a02l ^ a07l ^ a12l ^ a17l ^ a22l;
b02h = a02h ^ a07h ^ a12h ^ a17h ^ a22h;
b03l = a03l ^ a08l ^ a13l ^ a18l ^ a23l;
b03h = a03h ^ a08h ^ a13h ^ a18h ^ a23h;
b04l = a04l ^ a09l ^ a14l ^ a19l ^ a24l;
b04h = a04h ^ a09h ^ a14h ^ a19h ^ a24h;
tl = b04l ^ (b01l << 1 | b01h >>> 31);
th = b04h ^ (b01h << 1 | b01l >>> 31);
a00l ^= tl;
a00h ^= th;
a05l ^= tl;
a05h ^= th;
a10l ^= tl;
a10h ^= th;
a15l ^= tl;
a15h ^= th;
a20l ^= tl;
a20h ^= th;
tl = b00l ^ (b02l << 1 | b02h >>> 31);
th = b00h ^ (b02h << 1 | b02l >>> 31);
a01l ^= tl;
a01h ^= th;
a06l ^= tl;
a06h ^= th;
a11l ^= tl;
a11h ^= th;
a16l ^= tl;
a16h ^= th;
a21l ^= tl;
a21h ^= th;
tl = b01l ^ (b03l << 1 | b03h >>> 31);
th = b01h ^ (b03h << 1 | b03l >>> 31);
a02l ^= tl;
a02h ^= th;
a07l ^= tl;
a07h ^= th;
a12l ^= tl;
a12h ^= th;
a17l ^= tl;
a17h ^= th;
a22l ^= tl;
a22h ^= th;
tl = b02l ^ (b04l << 1 | b04h >>> 31);
th = b02h ^ (b04h << 1 | b04l >>> 31);
a03l ^= tl;
a03h ^= th;
a08l ^= tl;
a08h ^= th;
a13l ^= tl;
a13h ^= th;
a18l ^= tl;
a18h ^= th;
a23l ^= tl;
a23h ^= th;
tl = b03l ^ (b00l << 1 | b00h >>> 31);
th = b03h ^ (b00h << 1 | b00l >>> 31);
a04l ^= tl;
a04h ^= th;
a09l ^= tl;
a09h ^= th;
a14l ^= tl;
a14h ^= th;
a19l ^= tl;
a19h ^= th;
a24l ^= tl;
a24h ^= th;
// Rho Pi
b00l = a00l;
b00h = a00h;
b10l = a01l << 1 | a01h >>> 31;
b10h = a01h << 1 | a01l >>> 31;
b07l = a10l << 3 | a10h >>> 29;
b07h = a10h << 3 | a10l >>> 29;
b11l = a07l << 6 | a07h >>> 26;
b11h = a07h << 6 | a07l >>> 26;
b17l = a11l << 10 | a11h >>> 22;
b17h = a11h << 10 | a11l >>> 22;
b18l = a17l << 15 | a17h >>> 17;
b18h = a17h << 15 | a17l >>> 17;
b03l = a18l << 21 | a18h >>> 11;
b03h = a18h << 21 | a18l >>> 11;
b05l = a03l << 28 | a03h >>> 4;
b05h = a03h << 28 | a03l >>> 4;
b16l = a05h << 4 | a05l >>> 28;
b16h = a05l << 4 | a05h >>> 28;
b08l = a16h << 13 | a16l >>> 19;
b08h = a16l << 13 | a16h >>> 19;
b21l = a08h << 23 | a08l >>> 9;
b21h = a08l << 23 | a08h >>> 9;
b24l = a21l << 2 | a21h >>> 30;
b24h = a21h << 2 | a21l >>> 30;
b04l = a24l << 14 | a24h >>> 18;
b04h = a24h << 14 | a24l >>> 18;
b15l = a04l << 27 | a04h >>> 5;
b15h = a04h << 27 | a04l >>> 5;
b23l = a15h << 9 | a15l >>> 23;
b23h = a15l << 9 | a15h >>> 23;
b19l = a23h << 24 | a23l >>> 8;
b19h = a23l << 24 | a23h >>> 8;
b13l = a19l << 8 | a19h >>> 24;
b13h = a19h << 8 | a19l >>> 24;
b12l = a13l << 25 | a13h >>> 7;
b12h = a13h << 25 | a13l >>> 7;
b02l = a12h << 11 | a12l >>> 21;
b02h = a12l << 11 | a12h >>> 21;
b20l = a02h << 30 | a02l >>> 2;
b20h = a02l << 30 | a02h >>> 2;
b14l = a20l << 18 | a20h >>> 14;
b14h = a20h << 18 | a20l >>> 14;
b22l = a14h << 7 | a14l >>> 25;
b22h = a14l << 7 | a14h >>> 25;
b09l = a22h << 29 | a22l >>> 3;
b09h = a22l << 29 | a22h >>> 3;
b06l = a09l << 20 | a09h >>> 12;
b06h = a09h << 20 | a09l >>> 12;
b01l = a06h << 12 | a06l >>> 20;
b01h = a06l << 12 | a06h >>> 20;
// Chi
a00l = b00l ^ ~b01l & b02l;
a00h = b00h ^ ~b01h & b02h;
a01l = b01l ^ ~b02l & b03l;
a01h = b01h ^ ~b02h & b03h;
a02l = b02l ^ ~b03l & b04l;
a02h = b02h ^ ~b03h & b04h;
a03l = b03l ^ ~b04l & b00l;
a03h = b03h ^ ~b04h & b00h;
a04l = b04l ^ ~b00l & b01l;
a04h = b04h ^ ~b00h & b01h;
a05l = b05l ^ ~b06l & b07l;
a05h = b05h ^ ~b06h & b07h;
a06l = b06l ^ ~b07l & b08l;
a06h = b06h ^ ~b07h & b08h;
a07l = b07l ^ ~b08l & b09l;
a07h = b07h ^ ~b08h & b09h;
a08l = b08l ^ ~b09l & b05l;
a08h = b08h ^ ~b09h & b05h;
a09l = b09l ^ ~b05l & b06l;
a09h = b09h ^ ~b05h & b06h;
a10l = b10l ^ ~b11l & b12l;
a10h = b10h ^ ~b11h & b12h;
a11l = b11l ^ ~b12l & b13l;
a11h = b11h ^ ~b12h & b13h;
a12l = b12l ^ ~b13l & b14l;
a12h = b12h ^ ~b13h & b14h;
a13l = b13l ^ ~b14l & b10l;
a13h = b13h ^ ~b14h & b10h;
a14l = b14l ^ ~b10l & b11l;
a14h = b14h ^ ~b10h & b11h;
a15l = b15l ^ ~b16l & b17l;
a15h = b15h ^ ~b16h & b17h;
a16l = b16l ^ ~b17l & b18l;
a16h = b16h ^ ~b17h & b18h;
a17l = b17l ^ ~b18l & b19l;
a17h = b17h ^ ~b18h & b19h;
a18l = b18l ^ ~b19l & b15l;
a18h = b18h ^ ~b19h & b15h;
a19l = b19l ^ ~b15l & b16l;
a19h = b19h ^ ~b15h & b16h;
a20l = b20l ^ ~b21l & b22l;
a20h = b20h ^ ~b21h & b22h;
a21l = b21l ^ ~b22l & b23l;
a21h = b21h ^ ~b22h & b23h;
a22l = b22l ^ ~b23l & b24l;
a22h = b22h ^ ~b23h & b24h;
a23l = b23l ^ ~b24l & b20l;
a23h = b23h ^ ~b24h & b20h;
a24l = b24l ^ ~b20l & b21l;
a24h = b24h ^ ~b20h & b21h;
// Iota
a00l ^= Keccak_f1600_RC[r|0];
a00h ^= Keccak_f1600_RC[r|1];
}
// todo, handle big-endian stores
outState[outOffset|0] = a00l;
outState[outOffset|1] = a00h;
outState[outOffset|2] = a01l;
outState[outOffset|3] = a01h;
outState[outOffset|4] = a02l;
outState[outOffset|5] = a02h;
outState[outOffset|6] = a03l;
outState[outOffset|7] = a03h;
if (outSize == 8)
return;
outState[outOffset|8] = a04l;
outState[outOffset|9] = a04h;
outState[outOffset|10] = a05l;
outState[outOffset|11] = a05h;
outState[outOffset|12] = a06l;
outState[outOffset|13] = a06h;
outState[outOffset|14] = a07l;
outState[outOffset|15] = a07h;
if (outSize == 16)
return;
outState[outOffset|16] = a08l;
outState[outOffset|17] = a08h;
outState[outOffset|18] = a09l;
outState[outOffset|19] = a09h;
outState[outOffset|20] = a10l;
outState[outOffset|21] = a10h;
outState[outOffset|22] = a11l;
outState[outOffset|23] = a11h;
outState[outOffset|24] = a12l;
outState[outOffset|25] = a12h;
outState[outOffset|26] = a13l;
outState[outOffset|27] = a13h;
outState[outOffset|28] = a14l;
outState[outOffset|29] = a14h;
outState[outOffset|30] = a15l;
outState[outOffset|31] = a15h;
outState[outOffset|32] = a16l;
outState[outOffset|33] = a16h;
outState[outOffset|34] = a17l;
outState[outOffset|35] = a17h;
outState[outOffset|36] = a18l;
outState[outOffset|37] = a18h;
outState[outOffset|38] = a19l;
outState[outOffset|39] = a19h;
outState[outOffset|40] = a20l;
outState[outOffset|41] = a20h;
outState[outOffset|42] = a21l;
outState[outOffset|43] = a21h;
outState[outOffset|44] = a22l;
outState[outOffset|45] = a22h;
outState[outOffset|46] = a23l;
outState[outOffset|47] = a23h;
outState[outOffset|48] = a24l;
outState[outOffset|49] = a24h;
}
var Keccak = function()
{
var stateBuf = new ArrayBuffer(200);
var stateBytes = new Uint8Array(stateBuf);
var stateWords = new Uint32Array(stateBuf);
this.digest = function(oSize, iBytes)
{
for (var i = 0; i < 50; ++i)
{
stateWords[i] = 0;
}
var r = 200 - oSize*2;
var iLength = iBytes.length;
var iOffset = 0;
for ( ; ;)
{
var len = iLength < r ? iLength : r;
for (i = 0; i < len; ++i, ++iOffset)
{
stateBytes[i] ^= iBytes[iOffset];
}
if (iLength < r)
break;
iLength -= len;
keccak_f1600(stateWords, 0, 50, stateWords);
}
stateBytes[iLength] ^= 1;
stateBytes[r-1] ^= 0x80;
keccak_f1600(stateWords, 0, 50, stateWords);
return stateBytes.subarray(0, oSize);
};
this.digestWords = function(oWords, oOffset, oLength, iWords, iOffset, iLength)
{
for (var i = 0; i < 50; ++i)
{
stateWords[i] = 0;
}
var r = 50 - oLength*2;
for (; ; )
{
var len = iLength < r ? iLength : r;
for (i = 0; i < len; ++i, ++iOffset)
{
stateWords[i] ^= iWords[iOffset];
}
if (iLength < r)
break;
iLength -= len;
keccak_f1600(stateWords, 0, 50, stateWords);
}
stateBytes[iLength<<2] ^= 1;
stateBytes[(r<<2) - 1] ^= 0x80;
keccak_f1600(oWords, oOffset, oLength, stateWords);
};
};
module.exports = Keccak;

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#!/usr/bin/env node
// makekeccak.js
// Tim Hughes <tim@twistedfury.com>
/*jslint node: true, shadow:true */
"use strict";
var Keccak_f1600_Rho = [
1, 3, 6, 10, 15, 21, 28, 36, 45, 55, 2, 14,
27, 41, 56, 8, 25, 43, 62, 18, 39, 61, 20, 44
];
var Keccak_f1600_Pi= [
10, 7, 11, 17, 18, 3, 5, 16, 8, 21, 24, 4,
15, 23, 19, 13, 12, 2, 20, 14, 22, 9, 6, 1
];
var Keccak_f1600_RC = [
0x00000001, 0x00000000,
0x00008082, 0x00000000,
0x0000808a, 0x80000000,
0x80008000, 0x80000000,
0x0000808b, 0x00000000,
0x80000001, 0x00000000,
0x80008081, 0x80000000,
0x00008009, 0x80000000,
0x0000008a, 0x00000000,
0x00000088, 0x00000000,
0x80008009, 0x00000000,
0x8000000a, 0x00000000,
0x8000808b, 0x00000000,
0x0000008b, 0x80000000,
0x00008089, 0x80000000,
0x00008003, 0x80000000,
0x00008002, 0x80000000,
0x00000080, 0x80000000,
0x0000800a, 0x00000000,
0x8000000a, 0x80000000,
0x80008081, 0x80000000,
0x00008080, 0x80000000,
0x80000001, 0x00000000,
0x80008008, 0x80000000,
];
function makeRotLow(lo, hi, n)
{
if (n === 0 || n === 32) throw Error("unsupported");
if ((n & 0x20) !== 0)
{
n &= ~0x20;
var t = hi;
hi = lo;
lo = t;
}
var hir = hi + " >>> " + (32 - n);
var los = lo + " << " + n;
return los + " | " + hir;
}
function makeRotHigh(lo, hi, n)
{
if (n === 0 || n === 32) throw Error("unsupported");
if ((n & 0x20) !== 0)
{
n &= ~0x20;
var t = hi;
hi = lo;
lo = t;
}
var his = hi + " << " + n;
var lor = lo + " >>> " + (32 - n);
return his + " | " + lor;
}
function makeKeccak_f1600()
{
var format = function(n)
{
return n < 10 ? "0"+n : ""+n;
};
var a = function(n, w)
{
return "a" + format(n) + (w !== 0?'h':'l');
};
var b = function(n, w)
{
return "b" + format(n) + (w !== 0?'h':'l');
};
var str = "";
str += "function keccak_f1600(outState, outOffset, outSize, inState)\n";
str += "{\n";
for (var i = 0; i < 25; ++i)
{
for (var w = 0; w <= 1; ++w)
{
str += "\tvar " + a(i,w) + " = inState["+(i<<1|w)+"]|0;\n";
}
}
for (var j = 0; j < 5; ++j)
{
str += "\tvar ";
for (var i = 0; i < 5; ++i)
{
if (i !== 0)
str += ", ";
str += b(j*5+i,0) + ", " + b(j*5+i,1);
}
str += ";\n";
}
str += "\tvar tl, th;\n";
str += "\n";
str += "\tfor (var r = 0; r < 48; r = (r+2)|0)\n";
str += "\t{\n";
// Theta
str += "\t\t// Theta\n";
for (var i = 0; i < 5; ++i)
{
for (var w = 0; w <= 1; ++w)
{
str += "\t\t" + b(i,w) + " = " + a(i,w) + " ^ " + a(i+5,w) + " ^ " + a(i+10,w) + " ^ " + a(i+15,w) + " ^ " + a(i+20,w) + ";\n";
}
}
for (var i = 0; i < 5; ++i)
{
var i4 = (i + 4) % 5;
var i1 = (i + 1) % 5;
str += "\t\ttl = " + b(i4,0) + " ^ (" + b(i1,0) + " << 1 | " + b(i1,1) + " >>> 31);\n";
str += "\t\tth = " + b(i4,1) + " ^ (" + b(i1,1) + " << 1 | " + b(i1,0) + " >>> 31);\n";
for (var j = 0; j < 25; j = (j+5)|0)
{
str += "\t\t" + a((j+i),0) + " ^= tl;\n";
str += "\t\t" + a((j+i),1) + " ^= th;\n";
}
}
// Rho Pi
str += "\n\t\t// Rho Pi\n";
for (var w = 0; w <= 1; ++w)
{
str += "\t\t" + b(0,w) + " = " + a(0,w) + ";\n";
}
var opi = 1;
for (var i = 0; i < 24; ++i)
{
var pi = Keccak_f1600_Pi[i];
str += "\t\t" + b(pi,0) + " = " + makeRotLow(a(opi,0), a(opi,1), Keccak_f1600_Rho[i]) + ";\n";
str += "\t\t" + b(pi,1) + " = " + makeRotHigh(a(opi,0), a(opi,1), Keccak_f1600_Rho[i]) + ";\n";
opi = pi;
}
// Chi
str += "\n\t\t// Chi\n";
for (var j = 0; j < 25; j += 5)
{
for (var i = 0; i < 5; ++i)
{
for (var w = 0; w <= 1; ++w)
{
str += "\t\t" + a(j+i,w) + " = " + b(j+i,w) + " ^ ~" + b(j+(i+1)%5,w) + " & " + b(j+(i+2)%5,w) + ";\n";
}
}
}
// Iota
str += "\n\t\t// Iota\n";
for (var w = 0; w <= 1; ++w)
{
str += "\t\t" + a(0,w) + " ^= Keccak_f1600_RC[r|" + w + "];\n";
}
str += "\t}\n";
for (var i = 0; i < 25; ++i)
{
if (i == 4 || i == 8)
{
str += "\tif (outSize == " + i*2 + ")\n\t\treturn;\n";
}
for (var w = 0; w <= 1; ++w)
{
str += "\toutState[outOffset|"+(i<<1|w)+"] = " + a(i,w) + ";\n";
}
}
str += "}\n";
return str;
}
console.log(makeKeccak_f1600());

53
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// test.js
// Tim Hughes <tim@twistedfury.com>
/*jslint node: true, shadow:true */
"use strict";
var ethash = require('./ethash');
var util = require('./util');
var Keccak = require('./keccak');
// sanity check hash functions
var src = util.stringToBytes("");
if (util.bytesToHexString(new Keccak().digest(32, src)) != "c5d2460186f7233c927e7db2dcc703c0e500b653ca82273b7bfad8045d85a470") throw Error("Keccak-256 failed");
if (util.bytesToHexString(new Keccak().digest(64, src)) != "0eab42de4c3ceb9235fc91acffe746b29c29a8c366b7c60e4e67c466f36a4304c00fa9caf9d87976ba469bcbe06713b435f091ef2769fb160cdab33d3670680e") throw Error("Keccak-512 failed");
src = new Uint32Array(src.buffer);
var dst = new Uint32Array(8);
new Keccak().digestWords(dst, 0, dst.length, src, 0, src.length);
if (util.wordsToHexString(dst) != "c5d2460186f7233c927e7db2dcc703c0e500b653ca82273b7bfad8045d85a470") throw Error("Keccak-256 Fast failed");
var dst = new Uint32Array(16);
new Keccak().digestWords(dst, 0, dst.length, src, 0, src.length);
if (util.wordsToHexString(dst) != "0eab42de4c3ceb9235fc91acffe746b29c29a8c366b7c60e4e67c466f36a4304c00fa9caf9d87976ba469bcbe06713b435f091ef2769fb160cdab33d3670680e") throw Error("Keccak-512 Fast failed");
// init params
var ethashParams = ethash.defaultParams();
//ethashParams.cacheRounds = 0;
// create hasher
var seed = util.hexStringToBytes("9410b944535a83d9adf6bbdcc80e051f30676173c16ca0d32d6f1263fc246466")
var startTime = new Date().getTime();
var hasher = new ethash.Ethash(ethashParams, seed);
console.log('Ethash startup took: '+(new Date().getTime() - startTime) + "ms");
console.log('Ethash cache hash: ' + util.bytesToHexString(hasher.cacheDigest()));
var testHexString = "c5d2460186f7233c927e7db2dcc703c0e500b653ca82273b7bfad8045d85a470";
if (testHexString != util.bytesToHexString(util.hexStringToBytes(testHexString)))
throw Error("bytesToHexString or hexStringToBytes broken");
var header = util.hexStringToBytes("c5d2460186f7233c927e7db2dcc703c0e500b653ca82273b7bfad8045d85a470");
var nonce = util.hexStringToBytes("0000000000000000");
var hash;
startTime = new Date().getTime();
var trials = 10;
for (var i = 0; i < trials; ++i)
{
hash = hasher.hash(header, nonce);
}
console.log("Light client hashes averaged: " + (new Date().getTime() - startTime)/trials + "ms");
console.log("Hash = " + util.bytesToHexString(hash));

100
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// util.js
// Tim Hughes <tim@twistedfury.com>
/*jslint node: true, shadow:true */
"use strict";
function nibbleToChar(nibble)
{
return String.fromCharCode((nibble < 10 ? 48 : 87) + nibble);
}
function charToNibble(chr)
{
if (chr >= 48 && chr <= 57)
{
return chr - 48;
}
if (chr >= 65 && chr <= 70)
{
return chr - 65 + 10;
}
if (chr >= 97 && chr <= 102)
{
return chr - 97 + 10;
}
return 0;
}
function stringToBytes(str)
{
var bytes = new Uint8Array(str.length);
for (var i = 0; i != str.length; ++i)
{
bytes[i] = str.charCodeAt(i);
}
return bytes;
}
function hexStringToBytes(str)
{
var bytes = new Uint8Array(str.length>>>1);
for (var i = 0; i != bytes.length; ++i)
{
bytes[i] = charToNibble(str.charCodeAt(i<<1 | 0)) << 4;
bytes[i] |= charToNibble(str.charCodeAt(i<<1 | 1));
}
return bytes;
}
function bytesToHexString(bytes)
{
var str = "";
for (var i = 0; i != bytes.length; ++i)
{
str += nibbleToChar(bytes[i] >>> 4);
str += nibbleToChar(bytes[i] & 0xf);
}
return str;
}
function wordsToHexString(words)
{
return bytesToHexString(new Uint8Array(words.buffer));
}
function uint32ToHexString(num)
{
var buf = new Uint8Array(4);
buf[0] = (num >> 24) & 0xff;
buf[1] = (num >> 16) & 0xff;
buf[2] = (num >> 8) & 0xff;
buf[3] = (num >> 0) & 0xff;
return bytesToHexString(buf);
}
function toWords(input)
{
if (input instanceof Uint32Array)
{
return input;
}
else if (input instanceof Uint8Array)
{
var tmp = new Uint8Array((input.length + 3) & ~3);
tmp.set(input);
return new Uint32Array(tmp.buffer);
}
else if (typeof input === typeof "")
{
return toWords(stringToBytes(input));
}
return null;
}
exports.stringToBytes = stringToBytes;
exports.hexStringToBytes = hexStringToBytes;
exports.bytesToHexString = bytesToHexString;
exports.wordsToHexString = wordsToHexString;
exports.uint32ToHexString = uint32ToHexString;
exports.toWords = toWords;

12
Godeps/_workspace/src/github.com/ethereum/ethash/libethash-cl/CMakeLists.txt generated vendored
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@ -1,12 +0,0 @@
set(LIBRARY ethash-cl)
set(CMAKE_BUILD_TYPE Release)
if (NOT OPENCL_FOUND)
find_package(OpenCL)
endif()
if (OPENCL_FOUND)
include_directories(${OPENCL_INCLUDE_DIRS})
include_directories(..)
add_library(${LIBRARY} ethash_cl_miner.cpp ethash_cl_miner.h)
TARGET_LINK_LIBRARIES(${LIBRARY} ${OPENCL_LIBRARIES} ethash)
endif()

15
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@ -1,15 +0,0 @@
find_package(CUDA)
# Pass options to NVCC
if (CUDA_FOUND)
set(CUDA_NVCC_FLAGS " -gencode;arch=compute_30,code=sm_30;
-gencode;arch=compute_20,code=sm_20;
-gencode;arch=compute_11,code=sm_11;
-gencode;arch=compute_12,code=sm_12;
-gencode;arch=compute_13,code=sm_13;")
cuda_add_executable(
ethash-cuda
libethash.cu)
endif()

879
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@ -1,879 +0,0 @@
/*
Copyright 2009 NVIDIA Corporation. All rights reserved.
NOTICE TO LICENSEE:
This source code and/or documentation ("Licensed Deliverables") are subject
to NVIDIA intellectual property rights under U.S. and international Copyright
laws.
These Licensed Deliverables contained herein is PROPRIETARY and CONFIDENTIAL
to NVIDIA and is being provided under the terms and conditions of a form of
NVIDIA software license agreement by and between NVIDIA and Licensee ("License
Agreement") or electronically accepted by Licensee. Notwithstanding any terms
or conditions to the contrary in the License Agreement, reproduction or
disclosure of the Licensed Deliverables to any third party without the express
written consent of NVIDIA is prohibited.
NOTWITHSTANDING ANY TERMS OR CONDITIONS TO THE CONTRARY IN THE LICENSE AGREEMENT,
NVIDIA MAKES NO REPRESENTATION ABOUT THE SUITABILITY OF THESE LICENSED
DELIVERABLES FOR ANY PURPOSE. IT IS PROVIDED "AS IS" WITHOUT EXPRESS OR IMPLIED
WARRANTY OF ANY KIND. NVIDIA DISCLAIMS ALL WARRANTIES WITH REGARD TO THESE
LICENSED DELIVERABLES, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY,
NONINFRINGEMENT, AND FITNESS FOR A PARTICULAR PURPOSE. NOTWITHSTANDING ANY
TERMS OR CONDITIONS TO THE CONTRARY IN THE LICENSE AGREEMENT, IN NO EVENT SHALL
NVIDIA BE LIABLE FOR ANY SPECIAL, INDIRECT, INCIDENTAL, OR CONSEQUENTIAL DAMAGES,
OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER
IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THESE LICENSED DELIVERABLES.
U.S. Government End Users. These Licensed Deliverables are a "commercial item"
as that term is defined at 48 C.F.R. 2.101 (OCT 1995), consisting of
"commercial computer software" and "commercial computer software documentation"
as such terms are used in 48 C.F.R. 12.212 (SEPT 1995) and is provided to the
U.S. Government only as a commercial end item. Consistent with 48 C.F.R.12.212
and 48 C.F.R. 227.7202-1 through 227.7202-4 (JUNE 1995), all U.S. Government
End Users acquire the Licensed Deliverables with only those rights set forth
herein.
Any use of the Licensed Deliverables in individual and commercial software must
include, in the user documentation and internal comments to the code, the above
Disclaimer and U.S. Government End Users Notice.
*/
/*
* cuPrintf.cu
*
* This is a printf command callable from within a kernel. It is set
* up so that output is sent to a memory buffer, which is emptied from
* the host side - but only after a cudaThreadSynchronize() on the host.
*
* Currently, there is a limitation of around 200 characters of output
* and no more than 10 arguments to a single cuPrintf() call. Issue
* multiple calls if longer format strings are required.
*
* It requires minimal setup, and is *NOT* optimised for performance.
* For example, writes are not coalesced - this is because there is an
* assumption that people will not want to printf from every single one
* of thousands of threads, but only from individual threads at a time.
*
* Using this is simple - it requires one host-side call to initialise
* everything, and then kernels can call cuPrintf at will. Sample code
* is the easiest way to demonstrate:
*
#include "cuPrintf.cu"
__global__ void testKernel(int val)
{
cuPrintf("Value is: %d\n", val);
}
int main()
{
cudaPrintfInit();
testKernel<<< 2, 3 >>>(10);
cudaPrintfDisplay(stdout, true);
cudaPrintfEnd();
return 0;
}
*
* See the header file, "cuPrintf.cuh" for more info, especially
* arguments to cudaPrintfInit() and cudaPrintfDisplay();
*/
#ifndef CUPRINTF_CU
#define CUPRINTF_CU
#include "cuPrintf.cuh"
#if __CUDA_ARCH__ > 100 // Atomics only used with > sm_10 architecture
#include <sm_11_atomic_functions.h>
#endif
// This is the smallest amount of memory, per-thread, which is allowed.
// It is also the largest amount of space a single printf() can take up
const static int CUPRINTF_MAX_LEN = 256;
// This structure is used internally to track block/thread output restrictions.
typedef struct __align__(8) {
int threadid; // CUPRINTF_UNRESTRICTED for unrestricted
int blockid; // CUPRINTF_UNRESTRICTED for unrestricted
} cuPrintfRestriction;
// The main storage is in a global print buffer, which has a known
// start/end/length. These are atomically updated so it works as a
// circular buffer.
// Since the only control primitive that can be used is atomicAdd(),
// we cannot wrap the pointer as such. The actual address must be
// calculated from printfBufferPtr by mod-ing with printfBufferLength.
// For sm_10 architecture, we must subdivide the buffer per-thread
// since we do not even have an atomic primitive.
__constant__ static char *globalPrintfBuffer = NULL; // Start of circular buffer (set up by host)
__constant__ static int printfBufferLength = 0; // Size of circular buffer (set up by host)
__device__ static cuPrintfRestriction restrictRules; // Output restrictions
__device__ volatile static char *printfBufferPtr = NULL; // Current atomically-incremented non-wrapped offset
// This is the header preceeding all printf entries.
// NOTE: It *must* be size-aligned to the maximum entity size (size_t)
typedef struct __align__(8) {
unsigned short magic; // Magic number says we're valid
unsigned short fmtoffset; // Offset of fmt string into buffer
unsigned short blockid; // Block ID of author
unsigned short threadid; // Thread ID of author
} cuPrintfHeader;
// Special header for sm_10 architecture
#define CUPRINTF_SM10_MAGIC 0xC810 // Not a valid ascii character
typedef struct __align__(16) {
unsigned short magic; // sm_10 specific magic number
unsigned short unused;
unsigned int thread_index; // thread ID for this buffer
unsigned int thread_buf_len; // per-thread buffer length
unsigned int offset; // most recent printf's offset
} cuPrintfHeaderSM10;
// Because we can't write an element which is not aligned to its bit-size,
// we have to align all sizes and variables on maximum-size boundaries.
// That means sizeof(double) in this case, but we'll use (long long) for
// better arch<1.3 support
#define CUPRINTF_ALIGN_SIZE sizeof(long long)
// All our headers are prefixed with a magic number so we know they're ready
#define CUPRINTF_SM11_MAGIC (unsigned short)0xC811 // Not a valid ascii character
//
// getNextPrintfBufPtr
//
// Grabs a block of space in the general circular buffer, using an
// atomic function to ensure that it's ours. We handle wrapping
// around the circular buffer and return a pointer to a place which
// can be written to.
//
// Important notes:
// 1. We always grab CUPRINTF_MAX_LEN bytes
// 2. Because of 1, we never worry about wrapping around the end
// 3. Because of 1, printfBufferLength *must* be a factor of CUPRINTF_MAX_LEN
//
// This returns a pointer to the place where we own.
//
__device__ static char *getNextPrintfBufPtr()
{
// Initialisation check
if(!printfBufferPtr)
return NULL;
// Thread/block restriction check
if((restrictRules.blockid != CUPRINTF_UNRESTRICTED) && (restrictRules.blockid != (blockIdx.x + gridDim.x*blockIdx.y)))
return NULL;
if((restrictRules.threadid != CUPRINTF_UNRESTRICTED) && (restrictRules.threadid != (threadIdx.x + blockDim.x*threadIdx.y + blockDim.x*blockDim.y*threadIdx.z)))
return NULL;
// Conditional section, dependent on architecture
#if __CUDA_ARCH__ == 100
// For sm_10 architectures, we have no atomic add - this means we must split the
// entire available buffer into per-thread blocks. Inefficient, but what can you do.
int thread_count = (gridDim.x * gridDim.y) * (blockDim.x * blockDim.y * blockDim.z);
int thread_index = threadIdx.x + blockDim.x*threadIdx.y + blockDim.x*blockDim.y*threadIdx.z +
(blockIdx.x + gridDim.x*blockIdx.y) * (blockDim.x * blockDim.y * blockDim.z);
// Find our own block of data and go to it. Make sure the per-thread length
// is a precise multiple of CUPRINTF_MAX_LEN, otherwise we risk size and
// alignment issues! We must round down, of course.
unsigned int thread_buf_len = printfBufferLength / thread_count;
thread_buf_len &= ~(CUPRINTF_MAX_LEN-1);
// We *must* have a thread buffer length able to fit at least two printfs (one header, one real)
if(thread_buf_len < (CUPRINTF_MAX_LEN * 2))
return NULL;
// Now address our section of the buffer. The first item is a header.
char *myPrintfBuffer = globalPrintfBuffer + (thread_buf_len * thread_index);
cuPrintfHeaderSM10 hdr = *(cuPrintfHeaderSM10 *)(void *)myPrintfBuffer;
if(hdr.magic != CUPRINTF_SM10_MAGIC)
{
// If our header is not set up, initialise it
hdr.magic = CUPRINTF_SM10_MAGIC;
hdr.thread_index = thread_index;
hdr.thread_buf_len = thread_buf_len;
hdr.offset = 0; // Note we start at 0! We pre-increment below.
*(cuPrintfHeaderSM10 *)(void *)myPrintfBuffer = hdr; // Write back the header
// For initial setup purposes, we might need to init thread0's header too
// (so that cudaPrintfDisplay() below will work). This is only run once.
cuPrintfHeaderSM10 *tophdr = (cuPrintfHeaderSM10 *)(void *)globalPrintfBuffer;
tophdr->thread_buf_len = thread_buf_len;
}
// Adjust the offset by the right amount, and wrap it if need be
unsigned int offset = hdr.offset + CUPRINTF_MAX_LEN;
if(offset >= hdr.thread_buf_len)
offset = CUPRINTF_MAX_LEN;
// Write back the new offset for next time and return a pointer to it
((cuPrintfHeaderSM10 *)(void *)myPrintfBuffer)->offset = offset;
return myPrintfBuffer + offset;
#else
// Much easier with an atomic operation!
size_t offset = atomicAdd((unsigned int *)&printfBufferPtr, CUPRINTF_MAX_LEN) - (size_t)globalPrintfBuffer;
offset %= printfBufferLength;
return globalPrintfBuffer + offset;
#endif
}
//
// writePrintfHeader
//
// Inserts the header for containing our UID, fmt position and
// block/thread number. We generate it dynamically to avoid
// issues arising from requiring pre-initialisation.
//
__device__ static void writePrintfHeader(char *ptr, char *fmtptr)
{
if(ptr)
{
cuPrintfHeader header;
header.magic = CUPRINTF_SM11_MAGIC;
header.fmtoffset = (unsigned short)(fmtptr - ptr);
header.blockid = blockIdx.x + gridDim.x*blockIdx.y;
header.threadid = threadIdx.x + blockDim.x*threadIdx.y + blockDim.x*blockDim.y*threadIdx.z;
*(cuPrintfHeader *)(void *)ptr = header;
}
}
//
// cuPrintfStrncpy
//
// This special strncpy outputs an aligned length value, followed by the
// string. It then zero-pads the rest of the string until a 64-aligned
// boundary. The length *includes* the padding. A pointer to the byte
// just after the \0 is returned.
//
// This function could overflow CUPRINTF_MAX_LEN characters in our buffer.
// To avoid it, we must count as we output and truncate where necessary.
//
__device__ static char *cuPrintfStrncpy(char *dest, const char *src, int n, char *end)
{
// Initialisation and overflow check
if(!dest || !src || (dest >= end))
return NULL;
// Prepare to write the length specifier. We're guaranteed to have
// at least "CUPRINTF_ALIGN_SIZE" bytes left because we only write out in
// chunks that size, and CUPRINTF_MAX_LEN is aligned with CUPRINTF_ALIGN_SIZE.
int *lenptr = (int *)(void *)dest;
int len = 0;
dest += CUPRINTF_ALIGN_SIZE;
// Now copy the string
while(n--)
{
if(dest >= end) // Overflow check
break;
len++;
*dest++ = *src;
if(*src++ == '\0')
break;
}
// Now write out the padding bytes, and we have our length.
while((dest < end) && (((long)dest & (CUPRINTF_ALIGN_SIZE-1)) != 0))
{
len++;
*dest++ = 0;
}
*lenptr = len;
return (dest < end) ? dest : NULL; // Overflow means return NULL
}
//
// copyArg
//
// This copies a length specifier and then the argument out to the
// data buffer. Templates let the compiler figure all this out at
// compile-time, making life much simpler from the programming
// point of view. I'm assuimg all (const char *) is a string, and
// everything else is the variable it points at. I'd love to see
// a better way of doing it, but aside from parsing the format
// string I can't think of one.
//
// The length of the data type is inserted at the beginning (so that
// the display can distinguish between float and double), and the
// pointer to the end of the entry is returned.
//
__device__ static char *copyArg(char *ptr, const char *arg, char *end)
{
// Initialisation check
if(!ptr || !arg)
return NULL;
// strncpy does all our work. We just terminate.
if((ptr = cuPrintfStrncpy(ptr, arg, CUPRINTF_MAX_LEN, end)) != NULL)
*ptr = 0;
return ptr;
}
template <typename T>
__device__ static char *copyArg(char *ptr, T &arg, char *end)
{
// Initisalisation and overflow check. Alignment rules mean that
// we're at least CUPRINTF_ALIGN_SIZE away from "end", so we only need
// to check that one offset.
if(!ptr || ((ptr+CUPRINTF_ALIGN_SIZE) >= end))
return NULL;
// Write the length and argument
*(int *)(void *)ptr = sizeof(arg);
ptr += CUPRINTF_ALIGN_SIZE;
*(T *)(void *)ptr = arg;
ptr += CUPRINTF_ALIGN_SIZE;
*ptr = 0;
return ptr;
}
//
// cuPrintf
//
// Templated printf functions to handle multiple arguments.
// Note we return the total amount of data copied, not the number
// of characters output. But then again, who ever looks at the
// return from printf() anyway?
//
// The format is to grab a block of circular buffer space, the
// start of which will hold a header and a pointer to the format
// string. We then write in all the arguments, and finally the
// format string itself. This is to make it easy to prevent
// overflow of our buffer (we support up to 10 arguments, each of
// which can be 12 bytes in length - that means that only the
// format string (or a %s) can actually overflow; so the overflow
// check need only be in the strcpy function.
//
// The header is written at the very last because that's what
// makes it look like we're done.
//
// Errors, which are basically lack-of-initialisation, are ignored
// in the called functions because NULL pointers are passed around
//
// All printf variants basically do the same thing, setting up the
// buffer, writing all arguments, then finalising the header. For
// clarity, we'll pack the code into some big macros.
#define CUPRINTF_PREAMBLE \
char *start, *end, *bufptr, *fmtstart; \
if((start = getNextPrintfBufPtr()) == NULL) return 0; \
end = start + CUPRINTF_MAX_LEN; \
bufptr = start + sizeof(cuPrintfHeader);
// Posting an argument is easy
#define CUPRINTF_ARG(argname) \
bufptr = copyArg(bufptr, argname, end);
// After args are done, record start-of-fmt and write the fmt and header
#define CUPRINTF_POSTAMBLE \
fmtstart = bufptr; \
end = cuPrintfStrncpy(bufptr, fmt, CUPRINTF_MAX_LEN, end); \
writePrintfHeader(start, end ? fmtstart : NULL); \
return end ? (int)(end - start) : 0;
__device__ int cuPrintf(const char *fmt)
{
CUPRINTF_PREAMBLE;
CUPRINTF_POSTAMBLE;
}
template <typename T1> __device__ int cuPrintf(const char *fmt, T1 arg1)
{
CUPRINTF_PREAMBLE;
CUPRINTF_ARG(arg1);
CUPRINTF_POSTAMBLE;
}
template <typename T1, typename T2> __device__ int cuPrintf(const char *fmt, T1 arg1, T2 arg2)
{
CUPRINTF_PREAMBLE;
CUPRINTF_ARG(arg1);
CUPRINTF_ARG(arg2);
CUPRINTF_POSTAMBLE;
}
template <typename T1, typename T2, typename T3> __device__ int cuPrintf(const char *fmt, T1 arg1, T2 arg2, T3 arg3)
{
CUPRINTF_PREAMBLE;
CUPRINTF_ARG(arg1);
CUPRINTF_ARG(arg2);
CUPRINTF_ARG(arg3);
CUPRINTF_POSTAMBLE;
}
template <typename T1, typename T2, typename T3, typename T4> __device__ int cuPrintf(const char *fmt, T1 arg1, T2 arg2, T3 arg3, T4 arg4)
{
CUPRINTF_PREAMBLE;
CUPRINTF_ARG(arg1);
CUPRINTF_ARG(arg2);
CUPRINTF_ARG(arg3);
CUPRINTF_ARG(arg4);
CUPRINTF_POSTAMBLE;
}
template <typename T1, typename T2, typename T3, typename T4, typename T5> __device__ int cuPrintf(const char *fmt, T1 arg1, T2 arg2, T3 arg3, T4 arg4, T5 arg5)
{
CUPRINTF_PREAMBLE;
CUPRINTF_ARG(arg1);
CUPRINTF_ARG(arg2);
CUPRINTF_ARG(arg3);
CUPRINTF_ARG(arg4);
CUPRINTF_ARG(arg5);
CUPRINTF_POSTAMBLE;
}
template <typename T1, typename T2, typename T3, typename T4, typename T5, typename T6> __device__ int cuPrintf(const char *fmt, T1 arg1, T2 arg2, T3 arg3, T4 arg4, T5 arg5, T6 arg6)
{
CUPRINTF_PREAMBLE;
CUPRINTF_ARG(arg1);
CUPRINTF_ARG(arg2);
CUPRINTF_ARG(arg3);
CUPRINTF_ARG(arg4);
CUPRINTF_ARG(arg5);
CUPRINTF_ARG(arg6);
CUPRINTF_POSTAMBLE;
}
template <typename T1, typename T2, typename T3, typename T4, typename T5, typename T6, typename T7> __device__ int cuPrintf(const char *fmt, T1 arg1, T2 arg2, T3 arg3, T4 arg4, T5 arg5, T6 arg6, T7 arg7)
{
CUPRINTF_PREAMBLE;
CUPRINTF_ARG(arg1);
CUPRINTF_ARG(arg2);
CUPRINTF_ARG(arg3);
CUPRINTF_ARG(arg4);
CUPRINTF_ARG(arg5);
CUPRINTF_ARG(arg6);
CUPRINTF_ARG(arg7);
CUPRINTF_POSTAMBLE;
}
template <typename T1, typename T2, typename T3, typename T4, typename T5, typename T6, typename T7, typename T8> __device__ int cuPrintf(const char *fmt, T1 arg1, T2 arg2, T3 arg3, T4 arg4, T5 arg5, T6 arg6, T7 arg7, T8 arg8)
{
CUPRINTF_PREAMBLE;
CUPRINTF_ARG(arg1);
CUPRINTF_ARG(arg2);
CUPRINTF_ARG(arg3);
CUPRINTF_ARG(arg4);
CUPRINTF_ARG(arg5);
CUPRINTF_ARG(arg6);
CUPRINTF_ARG(arg7);
CUPRINTF_ARG(arg8);
CUPRINTF_POSTAMBLE;
}
template <typename T1, typename T2, typename T3, typename T4, typename T5, typename T6, typename T7, typename T8, typename T9> __device__ int cuPrintf(const char *fmt, T1 arg1, T2 arg2, T3 arg3, T4 arg4, T5 arg5, T6 arg6, T7 arg7, T8 arg8, T9 arg9)
{
CUPRINTF_PREAMBLE;
CUPRINTF_ARG(arg1);
CUPRINTF_ARG(arg2);
CUPRINTF_ARG(arg3);
CUPRINTF_ARG(arg4);
CUPRINTF_ARG(arg5);
CUPRINTF_ARG(arg6);
CUPRINTF_ARG(arg7);
CUPRINTF_ARG(arg8);
CUPRINTF_ARG(arg9);
CUPRINTF_POSTAMBLE;
}
template <typename T1, typename T2, typename T3, typename T4, typename T5, typename T6, typename T7, typename T8, typename T9, typename T10> __device__ int cuPrintf(const char *fmt, T1 arg1, T2 arg2, T3 arg3, T4 arg4, T5 arg5, T6 arg6, T7 arg7, T8 arg8, T9 arg9, T10 arg10)
{
CUPRINTF_PREAMBLE;
CUPRINTF_ARG(arg1);
CUPRINTF_ARG(arg2);
CUPRINTF_ARG(arg3);
CUPRINTF_ARG(arg4);
CUPRINTF_ARG(arg5);
CUPRINTF_ARG(arg6);
CUPRINTF_ARG(arg7);
CUPRINTF_ARG(arg8);
CUPRINTF_ARG(arg9);
CUPRINTF_ARG(arg10);
CUPRINTF_POSTAMBLE;
}
#undef CUPRINTF_PREAMBLE
#undef CUPRINTF_ARG
#undef CUPRINTF_POSTAMBLE
//
// cuPrintfRestrict
//
// Called to restrict output to a given thread/block.
// We store the info in "restrictRules", which is set up at
// init time by the host. It's not the cleanest way to do this
// because it means restrictions will last between
// invocations, but given the output-pointer continuity,
// I feel this is reasonable.
//
__device__ void cuPrintfRestrict(int threadid, int blockid)
{
int thread_count = blockDim.x * blockDim.y * blockDim.z;
if(((threadid < thread_count) && (threadid >= 0)) || (threadid == CUPRINTF_UNRESTRICTED))
restrictRules.threadid = threadid;
int block_count = gridDim.x * gridDim.y;
if(((blockid < block_count) && (blockid >= 0)) || (blockid == CUPRINTF_UNRESTRICTED))
restrictRules.blockid = blockid;
}
///////////////////////////////////////////////////////////////////////////////
// HOST SIDE
#include <stdio.h>
static FILE *printf_fp;
static char *printfbuf_start=NULL;
static char *printfbuf_device=NULL;
static int printfbuf_len=0;
//
// outputPrintfData
//
// Our own internal function, which takes a pointer to a data buffer
// and passes it through libc's printf for output.
//
// We receive the formate string and a pointer to where the data is
// held. We then run through and print it out.
//
// Returns 0 on failure, 1 on success
//
static int outputPrintfData(char *fmt, char *data)
{
// Format string is prefixed by a length that we don't need
fmt += CUPRINTF_ALIGN_SIZE;
// Now run through it, printing everything we can. We must
// run to every % character, extract only that, and use printf
// to format it.
char *p = strchr(fmt, '%');
while(p != NULL)
{
// Print up to the % character
*p = '\0';
fputs(fmt, printf_fp);
*p = '%'; // Put back the %
// Now handle the format specifier
char *format = p++; // Points to the '%'
p += strcspn(p, "%cdiouxXeEfgGaAnps");
if(*p == '\0') // If no format specifier, print the whole thing
{
fmt = format;
break;
}
// Cut out the format bit and use printf to print it. It's prefixed
// by its length.
int arglen = *(int *)data;
if(arglen > CUPRINTF_MAX_LEN)
{
fputs("Corrupt printf buffer data - aborting\n", printf_fp);
return 0;
}
data += CUPRINTF_ALIGN_SIZE;
char specifier = *p++;
char c = *p; // Store for later
*p = '\0';
switch(specifier)
{
// These all take integer arguments
case 'c':
case 'd':
case 'i':
case 'o':
case 'u':
case 'x':
case 'X':
case 'p':
fprintf(printf_fp, format, *((int *)data));
break;
// These all take double arguments
case 'e':
case 'E':
case 'f':
case 'g':
case 'G':
case 'a':
case 'A':
if(arglen == 4) // Float vs. Double thing
fprintf(printf_fp, format, *((float *)data));
else
fprintf(printf_fp, format, *((double *)data));
break;
// Strings are handled in a special way
case 's':
fprintf(printf_fp, format, (char *)data);
break;
// % is special
case '%':
fprintf(printf_fp, "%%");
break;
// Everything else is just printed out as-is
default:
fprintf(printf_fp, format);
break;
}
data += CUPRINTF_ALIGN_SIZE; // Move on to next argument
*p = c; // Restore what we removed
fmt = p; // Adjust fmt string to be past the specifier
p = strchr(fmt, '%'); // and get the next specifier
}
// Print out the last of the string
fputs(fmt, printf_fp);
return 1;
}
//
// doPrintfDisplay
//
// This runs through the blocks of CUPRINTF_MAX_LEN-sized data, calling the
// print function above to display them. We've got this separate from
// cudaPrintfDisplay() below so we can handle the SM_10 architecture
// partitioning.
//
static int doPrintfDisplay(int headings, int clear, char *bufstart, char *bufend, char *bufptr, char *endptr)
{
// Grab, piece-by-piece, each output element until we catch
// up with the circular buffer end pointer
int printf_count=0;
char printfbuf_local[CUPRINTF_MAX_LEN+1];
printfbuf_local[CUPRINTF_MAX_LEN] = '\0';
while(bufptr != endptr)
{
// Wrap ourselves at the end-of-buffer
if(bufptr == bufend)
bufptr = bufstart;
// Adjust our start pointer to within the circular buffer and copy a block.
cudaMemcpy(printfbuf_local, bufptr, CUPRINTF_MAX_LEN, cudaMemcpyDeviceToHost);
// If the magic number isn't valid, then this write hasn't gone through
// yet and we'll wait until it does (or we're past the end for non-async printfs).
cuPrintfHeader *hdr = (cuPrintfHeader *)printfbuf_local;
if((hdr->magic != CUPRINTF_SM11_MAGIC) || (hdr->fmtoffset >= CUPRINTF_MAX_LEN))
{
//fprintf(printf_fp, "Bad magic number in printf header\n");
break;
}
// Extract all the info and get this printf done
if(headings)
fprintf(printf_fp, "[%d, %d]: ", hdr->blockid, hdr->threadid);
if(hdr->fmtoffset == 0)
fprintf(printf_fp, "printf buffer overflow\n");
else if(!outputPrintfData(printfbuf_local+hdr->fmtoffset, printfbuf_local+sizeof(cuPrintfHeader)))
break;
printf_count++;
// Clear if asked
if(clear)
cudaMemset(bufptr, 0, CUPRINTF_MAX_LEN);
// Now advance our start location, because we're done, and keep copying
bufptr += CUPRINTF_MAX_LEN;
}
return printf_count;
}
//
// cudaPrintfInit
//
// Takes a buffer length to allocate, creates the memory on the device and
// returns a pointer to it for when a kernel is called. It's up to the caller
// to free it.
//
extern "C" cudaError_t cudaPrintfInit(size_t bufferLen)
{
// Fix up bufferlen to be a multiple of CUPRINTF_MAX_LEN
bufferLen = (bufferLen < CUPRINTF_MAX_LEN) ? CUPRINTF_MAX_LEN : bufferLen;
if((bufferLen % CUPRINTF_MAX_LEN) > 0)
bufferLen += (CUPRINTF_MAX_LEN - (bufferLen % CUPRINTF_MAX_LEN));
printfbuf_len = (int)bufferLen;
// Allocate a print buffer on the device and zero it
if(cudaMalloc((void **)&printfbuf_device, printfbuf_len) != cudaSuccess)
return cudaErrorInitializationError;
cudaMemset(printfbuf_device, 0, printfbuf_len);
printfbuf_start = printfbuf_device; // Where we start reading from
// No restrictions to begin with
cuPrintfRestriction restrict;
restrict.threadid = restrict.blockid = CUPRINTF_UNRESTRICTED;
cudaMemcpyToSymbol(restrictRules, &restrict, sizeof(restrict));
// Initialise the buffer and the respective lengths/pointers.
cudaMemcpyToSymbol(globalPrintfBuffer, &printfbuf_device, sizeof(char *));
cudaMemcpyToSymbol(printfBufferPtr, &printfbuf_device, sizeof(char *));
cudaMemcpyToSymbol(printfBufferLength, &printfbuf_len, sizeof(printfbuf_len));
return cudaSuccess;
}
//
// cudaPrintfEnd
//
// Frees up the memory which we allocated
//
extern "C" void cudaPrintfEnd()
{
if(!printfbuf_start || !printfbuf_device)
return;
cudaFree(printfbuf_device);
printfbuf_start = printfbuf_device = NULL;
}
//
// cudaPrintfDisplay
//
// Each call to this function dumps the entire current contents
// of the printf buffer to the pre-specified FILE pointer. The
// circular "start" pointer is advanced so that subsequent calls
// dumps only new stuff.
//
// In the case of async memory access (via streams), call this
// repeatedly to keep trying to empty the buffer. If it's a sync
// access, then the whole buffer should empty in one go.
//
// Arguments:
// outputFP - File descriptor to output to (NULL => stdout)
// showThreadID - If true, prints [block,thread] before each line
//
extern "C" cudaError_t cudaPrintfDisplay(void *outputFP, bool showThreadID)
{
printf_fp = (FILE *)((outputFP == NULL) ? stdout : outputFP);
// For now, we force "synchronous" mode which means we're not concurrent
// with kernel execution. This also means we don't need clearOnPrint.
// If you're patching it for async operation, here's where you want it.
bool sync_printfs = true;
bool clearOnPrint = false;
// Initialisation check
if(!printfbuf_start || !printfbuf_device || !printf_fp)
return cudaErrorMissingConfiguration;
// To determine which architecture we're using, we read the
// first short from the buffer - it'll be the magic number
// relating to the version.
unsigned short magic;
cudaMemcpy(&magic, printfbuf_device, sizeof(unsigned short), cudaMemcpyDeviceToHost);
// For SM_10 architecture, we've split our buffer into one-per-thread.
// That means we must do each thread block separately. It'll require
// extra reading. We also, for now, don't support async printfs because
// that requires tracking one start pointer per thread.
if(magic == CUPRINTF_SM10_MAGIC)
{
sync_printfs = true;
clearOnPrint = false;
int blocklen = 0;
char *blockptr = printfbuf_device;
while(blockptr < (printfbuf_device + printfbuf_len))
{
cuPrintfHeaderSM10 hdr;
cudaMemcpy(&hdr, blockptr, sizeof(hdr), cudaMemcpyDeviceToHost);
// We get our block-size-step from the very first header
if(hdr.thread_buf_len != 0)
blocklen = hdr.thread_buf_len;
// No magic number means no printfs from this thread
if(hdr.magic != CUPRINTF_SM10_MAGIC)
{
if(blocklen == 0)
{
fprintf(printf_fp, "No printf headers found at all!\n");
break; // No valid headers!
}
blockptr += blocklen;
continue;
}
// "offset" is non-zero then we can print the block contents
if(hdr.offset > 0)
{
// For synchronous printfs, we must print from endptr->bufend, then from start->end
if(sync_printfs)
doPrintfDisplay(showThreadID, clearOnPrint, blockptr+CUPRINTF_MAX_LEN, blockptr+hdr.thread_buf_len, blockptr+hdr.offset+CUPRINTF_MAX_LEN, blockptr+hdr.thread_buf_len);
doPrintfDisplay(showThreadID, clearOnPrint, blockptr+CUPRINTF_MAX_LEN, blockptr+hdr.thread_buf_len, blockptr+CUPRINTF_MAX_LEN, blockptr+hdr.offset+CUPRINTF_MAX_LEN);
}
// Move on to the next block and loop again
blockptr += hdr.thread_buf_len;
}
}
// For SM_11 and up, everything is a single buffer and it's simple
else if(magic == CUPRINTF_SM11_MAGIC)
{
// Grab the current "end of circular buffer" pointer.
char *printfbuf_end = NULL;
cudaMemcpyFromSymbol(&printfbuf_end, printfBufferPtr, sizeof(char *));
// Adjust our starting and ending pointers to within the block
char *bufptr = ((printfbuf_start - printfbuf_device) % printfbuf_len) + printfbuf_device;
char *endptr = ((printfbuf_end - printfbuf_device) % printfbuf_len) + printfbuf_device;
// For synchronous (i.e. after-kernel-exit) printf display, we have to handle circular
// buffer wrap carefully because we could miss those past "end".
if(sync_printfs)
doPrintfDisplay(showThreadID, clearOnPrint, printfbuf_device, printfbuf_device+printfbuf_len, endptr, printfbuf_device+printfbuf_len);
doPrintfDisplay(showThreadID, clearOnPrint, printfbuf_device, printfbuf_device+printfbuf_len, bufptr, endptr);
printfbuf_start = printfbuf_end;
}
else
;//printf("Bad magic number in cuPrintf buffer header\n");
// If we were synchronous, then we must ensure that the memory is cleared on exit
// otherwise another kernel launch with a different grid size could conflict.
if(sync_printfs)
cudaMemset(printfbuf_device, 0, printfbuf_len);
return cudaSuccess;
}
// Cleanup
#undef CUPRINTF_MAX_LEN
#undef CUPRINTF_ALIGN_SIZE
#undef CUPRINTF_SM10_MAGIC
#undef CUPRINTF_SM11_MAGIC
#endif

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/*
Copyright 2009 NVIDIA Corporation. All rights reserved.
NOTICE TO LICENSEE:
This source code and/or documentation ("Licensed Deliverables") are subject
to NVIDIA intellectual property rights under U.S. and international Copyright
laws.
These Licensed Deliverables contained herein is PROPRIETARY and CONFIDENTIAL
to NVIDIA and is being provided under the terms and conditions of a form of
NVIDIA software license agreement by and between NVIDIA and Licensee ("License
Agreement") or electronically accepted by Licensee. Notwithstanding any terms
or conditions to the contrary in the License Agreement, reproduction or
disclosure of the Licensed Deliverables to any third party without the express
written consent of NVIDIA is prohibited.
NOTWITHSTANDING ANY TERMS OR CONDITIONS TO THE CONTRARY IN THE LICENSE AGREEMENT,
NVIDIA MAKES NO REPRESENTATION ABOUT THE SUITABILITY OF THESE LICENSED
DELIVERABLES FOR ANY PURPOSE. IT IS PROVIDED "AS IS" WITHOUT EXPRESS OR IMPLIED
WARRANTY OF ANY KIND. NVIDIA DISCLAIMS ALL WARRANTIES WITH REGARD TO THESE
LICENSED DELIVERABLES, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY,
NONINFRINGEMENT, AND FITNESS FOR A PARTICULAR PURPOSE. NOTWITHSTANDING ANY
TERMS OR CONDITIONS TO THE CONTRARY IN THE LICENSE AGREEMENT, IN NO EVENT SHALL
NVIDIA BE LIABLE FOR ANY SPECIAL, INDIRECT, INCIDENTAL, OR CONSEQUENTIAL DAMAGES,
OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER
IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THESE LICENSED DELIVERABLES.
U.S. Government End Users. These Licensed Deliverables are a "commercial item"
as that term is defined at 48 C.F.R. 2.101 (OCT 1995), consisting of
"commercial computer software" and "commercial computer software documentation"
as such terms are used in 48 C.F.R. 12.212 (SEPT 1995) and is provided to the
U.S. Government only as a commercial end item. Consistent with 48 C.F.R.12.212
and 48 C.F.R. 227.7202-1 through 227.7202-4 (JUNE 1995), all U.S. Government
End Users acquire the Licensed Deliverables with only those rights set forth
herein.
Any use of the Licensed Deliverables in individual and commercial software must
include, in the user documentation and internal comments to the code, the above
Disclaimer and U.S. Government End Users Notice.
*/
#ifndef CUPRINTF_H
#define CUPRINTF_H
/*
* This is the header file supporting cuPrintf.cu and defining both
* the host and device-side interfaces. See that file for some more
* explanation and sample use code. See also below for details of the
* host-side interfaces.
*
* Quick sample code:
*
#include "cuPrintf.cu"
__global__ void testKernel(int val)
{
cuPrintf("Value is: %d\n", val);
}
int main()
{
cudaPrintfInit();
testKernel<<< 2, 3 >>>(10);
cudaPrintfDisplay(stdout, true);
cudaPrintfEnd();
return 0;
}
*/
///////////////////////////////////////////////////////////////////////////////
// DEVICE SIDE
// External function definitions for device-side code
// Abuse of templates to simulate varargs
__device__ int cuPrintf(const char *fmt);
template <typename T1> __device__ int cuPrintf(const char *fmt, T1 arg1);
template <typename T1, typename T2> __device__ int cuPrintf(const char *fmt, T1 arg1, T2 arg2);
template <typename T1, typename T2, typename T3> __device__ int cuPrintf(const char *fmt, T1 arg1, T2 arg2, T3 arg3);
template <typename T1, typename T2, typename T3, typename T4> __device__ int cuPrintf(const char *fmt, T1 arg1, T2 arg2, T3 arg3, T4 arg4);
template <typename T1, typename T2, typename T3, typename T4, typename T5> __device__ int cuPrintf(const char *fmt, T1 arg1, T2 arg2, T3 arg3, T4 arg4, T5 arg5);
template <typename T1, typename T2, typename T3, typename T4, typename T5, typename T6> __device__ int cuPrintf(const char *fmt, T1 arg1, T2 arg2, T3 arg3, T4 arg4, T5 arg5, T6 arg6);
template <typename T1, typename T2, typename T3, typename T4, typename T5, typename T6, typename T7> __device__ int cuPrintf(const char *fmt, T1 arg1, T2 arg2, T3 arg3, T4 arg4, T5 arg5, T6 arg6, T7 arg7);
template <typename T1, typename T2, typename T3, typename T4, typename T5, typename T6, typename T7, typename T8> __device__ int cuPrintf(const char *fmt, T1 arg1, T2 arg2, T3 arg3, T4 arg4, T5 arg5, T6 arg6, T7 arg7, T8 arg8);
template <typename T1, typename T2, typename T3, typename T4, typename T5, typename T6, typename T7, typename T8, typename T9> __device__ int cuPrintf(const char *fmt, T1 arg1, T2 arg2, T3 arg3, T4 arg4, T5 arg5, T6 arg6, T7 arg7, T8 arg8, T9 arg9);
template <typename T1, typename T2, typename T3, typename T4, typename T5, typename T6, typename T7, typename T8, typename T9, typename T10> __device__ int cuPrintf(const char *fmt, T1 arg1, T2 arg2, T3 arg3, T4 arg4, T5 arg5, T6 arg6, T7 arg7, T8 arg8, T9 arg9, T10 arg10);
//
// cuPrintfRestrict
//
// Called to restrict output to a given thread/block. Pass
// the constant CUPRINTF_UNRESTRICTED to unrestrict output
// for thread/block IDs. Note you can therefore allow
// "all printfs from block 3" or "printfs from thread 2
// on all blocks", or "printfs only from block 1, thread 5".
//
// Arguments:
// threadid - Thread ID to allow printfs from
// blockid - Block ID to allow printfs from
//
// NOTE: Restrictions last between invocations of
// kernels unless cudaPrintfInit() is called again.
//
#define CUPRINTF_UNRESTRICTED -1
__device__ void cuPrintfRestrict(int threadid, int blockid);
///////////////////////////////////////////////////////////////////////////////
// HOST SIDE
// External function definitions for host-side code
//
// cudaPrintfInit
//
// Call this once to initialise the printf system. If the output
// file or buffer size needs to be changed, call cudaPrintfEnd()
// before re-calling cudaPrintfInit().
//
// The default size for the buffer is 1 megabyte. For CUDA
// architecture 1.1 and above, the buffer is filled linearly and
// is completely used; however for architecture 1.0, the buffer
// is divided into as many segments are there are threads, even
// if some threads do not call cuPrintf().
//
// Arguments:
// bufferLen - Length, in bytes, of total space to reserve
// (in device global memory) for output.
//
// Returns:
// cudaSuccess if all is well.
//
extern "C" cudaError_t cudaPrintfInit(size_t bufferLen=1048576); // 1-meg - that's enough for 4096 printfs by all threads put together
//
// cudaPrintfEnd
//
// Cleans up all memories allocated by cudaPrintfInit().
// Call this at exit, or before calling cudaPrintfInit() again.
//
extern "C" void cudaPrintfEnd();
//
// cudaPrintfDisplay
//
// Dumps the contents of the output buffer to the specified
// file pointer. If the output pointer is not specified,
// the default "stdout" is used.
//
// Arguments:
// outputFP - A file pointer to an output stream.
// showThreadID - If "true", output strings are prefixed
// by "[blockid, threadid] " at output.
//
// Returns:
// cudaSuccess if all is well.
//
extern "C" cudaError_t cudaPrintfDisplay(void *outputFP=NULL, bool showThreadID=false);
#endif // CUPRINTF_H

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#include "cuPrintf.cu"
#include <stdio.h>
__global__ void device_greetings(void)
{
cuPrintf("Hello, world from the device!\n");
}
int main(void)
{
// greet from the host
printf("Hello, world from the host!\n");
// initialize cuPrintf
cudaPrintfInit();
// launch a kernel with a single thread to greet from the device
device_greetings<<<1,1>>>();
// display the device's greeting
cudaPrintfDisplay();
// clean up after cuPrintf
cudaPrintfEnd();
return 0;
}

248
Godeps/_workspace/src/github.com/ethereum/ethash/libethash/data_sizes.h generated vendored
View File

@ -1,248 +0,0 @@
/*
This file is part of cpp-ethereum.
cpp-ethereum is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software FoundationUUU,either version 3 of the LicenseUUU,or
(at your option) any later version.
cpp-ethereum is distributed in the hope that it will be usefulU,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with cpp-ethereum. If notUUU,see <http://www.gnu.org/licenses/>.
*/
/** @file nth_prime.h
* @author Matthew Wampler-Doty <negacthulhu@gmail.com>
* @date 2015
*/
// TODO: Update this after ~7 years
#pragma once
#include <stdint.h>
//#include <Security/Security.h>
#include "compiler.h"
#ifdef __cplusplus
extern "C" {
#endif
#include <stdint.h>
// 500 Epochs worth of tabulated DAG sizes (~3.5 Years)
// Generated with the following Mathematica Code:
// GetDataSizes[n_] := Module[{
// DAGSizeBytesInit = 2^30,
// MixBytes = 128,
// DAGGrowth = 113000000,
// j = 0},
// Reap[
// While[j < n,
// Module[{i =
// Floor[(DAGSizeBytesInit + DAGGrowth * j) / MixBytes]},
// While[! PrimeQ[i], i--];
// Sow[i*MixBytes]; j++]]]][[2]][[1]]
static const size_t dag_sizes[] = {
1073739904U, 1186739584U, 1299741568U, 1412741248U, 1525741696U,
1638736768U, 1751741312U, 1864740736U, 1977740672U, 2090740864U,
2203740544U, 2316741248U, 2429739392U, 2542740352U, 2655741824U,
2768739712U, 2881740416U, 2994741632U, 3107740544U, 3220741504U,
3333738112U, 3446741632U, 3559741312U, 3672740224U, 3785740928U,
3898738304U, 4011741824U, 4124739712U, 4237735808U, 4350740864U,
4463741824U, 4576741504U, 4689741184U, 4802739328U, 4915741568U,
5028740224U, 5141740672U, 5254738304U, 5367741824U, 5480737664U,
5593738112U, 5706741632U, 5819740544U, 5932734592U, 6045739904U,
6158740096U, 6271740032U, 6384731776U, 6497732992U, 6610740352U,
6723741056U, 6836741504U, 6949740416U, 7062740096U, 7175741824U,
7288740224U, 7401741184U, 7514741632U, 7627741568U, 7740739712U,
7853739136U, 7966740352U, 8079741568U, 8192739712U, 8305738624U,
8418740864U, 8531740288U, 8644740736U, 8757735808U, 8870738816U,
8983739264U, 9096740992U, 9209740928U, 9322739584U, 9435741824U,
9548741504U, 9661739392U, 9774738304U, 9887741312U, 10000738688U,
10113739136U, 10226741632U, 10339739776U, 10452741248U, 10565740928U,
10678736512U, 10791734656U, 10904741248U, 11017738112U, 11130741632U,
11243741312U, 11356739456U, 11469740416U, 11582734976U, 11695739008U,
11808741248U, 11921734784U, 12034739072U, 12147741568U, 12260737408U,
12373741696U, 12486738304U, 12599740544U, 12712740224U, 12825741184U,
12938736256U, 13051741312U, 13164737408U, 13277738368U, 13390738048U,
13503741824U, 13616741504U, 13729737088U, 13842740096U, 13955741312U,
14068741504U, 14181740416U, 14294741632U, 14407739776U, 14520740224U,
14633740928U, 14746736512U, 14859741824U, 14972740736U, 15085740928U,
15198738304U, 15311732096U, 15424740736U, 15537739904U, 15650741632U,
15763741568U, 15876737152U, 15989741696U, 16102740608U, 16215741056U,
16328741248U, 16441740416U, 16554737792U, 16667740288U, 16780740992U,
16893738112U, 17006741632U, 17119739008U, 17232735616U, 17345739392U,
17458740352U, 17571736192U, 17684739712U, 17797739392U, 17910740096U,
18023741312U, 18136740736U, 18249738112U, 18362738816U, 18475735424U,
18588740224U, 18701738368U, 18814736768U, 18927737216U, 19040739968U,
19153739648U, 19266736768U, 19379737984U, 19492739456U, 19605738368U,
19718740352U, 19831741312U, 19944736384U, 20057741696U, 20170741376U,
20283741824U, 20396737408U, 20509741696U, 20622741376U, 20735739008U,
20848741504U, 20961740672U, 21074739328U, 21187740032U, 21300739456U,
21413741696U, 21526740608U, 21639741824U, 21752737408U, 21865741696U,
21978741376U, 22091741824U, 22204738432U, 22317740672U, 22430740096U,
22543736704U, 22656741248U, 22769739904U, 22882739584U, 22995740288U,
23108740736U, 23221740928U, 23334741376U, 23447737216U, 23560740992U,
23673741184U, 23786740864U, 23899737728U, 24012741248U, 24125734784U,
24238736512U, 24351741824U, 24464740736U, 24577737088U, 24690741632U,
24803739776U, 24916740736U, 25029740416U, 25142740864U, 25255741568U,
25368741248U, 25481740672U, 25594741376U, 25707741568U, 25820741504U,
25933730432U, 26046739072U, 26159741824U, 26272741504U, 26385740672U,
26498740096U, 26611741568U, 26724740992U, 26837739904U, 26950735232U,
27063738496U, 27176741248U, 27289741184U, 27402740864U, 27515740544U,
27628737152U, 27741740672U, 27854741632U, 27967740544U, 28080739712U,
28193738368U, 28306741376U, 28419737728U, 28532739968U, 28645739648U,
28758740096U, 28871741312U, 28984739456U, 29097740416U, 29210740864U,
29323741312U, 29436740224U, 29549741696U, 29662738304U, 29775741568U,
29888741504U, 30001740928U, 30114737024U, 30227735168U, 30340737664U,
30453738368U, 30566737024U, 30679733632U, 30792740224U, 30905740928U,
31018740352U, 31131740032U, 31244738944U, 31357737344U, 31470741376U,
31583740544U, 31696740224U, 31809738112U, 31922739328U, 32035737472U,
32148740992U, 32261741696U, 32374740352U, 32487741824U, 32600740736U,
32713739648U, 32826740608U, 32939729792U, 33052740992U, 33165740672U,
33278739584U, 33391741312U, 33504739712U, 33617740928U, 33730740608U,
33843738496U, 33956739968U, 34069741696U, 34182739328U, 34295741824U,
34408739968U, 34521740672U, 34634736512U, 34747741568U, 34860741248U,
34973739392U, 35086738304U, 35199741056U, 35312736896U, 35425741184U,
35538741376U, 35651740288U, 35764737152U, 35877741184U, 35990739584U,
36103740544U, 36216740992U, 36329739392U, 36442737536U, 36555741568U,
36668740736U, 36781741184U, 36894737024U, 37007741312U, 37120739456U,
37233741184U, 37346736256U, 37459736192U, 37572734336U, 37685739904U,
37798740352U, 37911737728U, 38024741504U, 38137739648U, 38250740608U,
38363741824U, 38476740992U, 38589741184U, 38702740096U, 38815741312U,
38928741248U, 39041738368U, 39154739584U, 39267741824U, 39380739712U,
39493735808U, 39606741632U, 39719741312U, 39832741504U, 39945739648U,
40058740352U, 40171740032U, 40284740992U, 40397740672U, 40510740352U,
40623740288U, 40736738176U, 40849737856U, 40962741376U, 41075739776U,
41188737664U, 41301735808U, 41414738048U, 41527741312U, 41640740992U,
41753739904U, 41866739072U, 41979738496U, 42092740736U, 42205739648U,
42318740608U, 42431741312U, 42544738688U, 42657741184U, 42770738048U,
42883741568U, 42996741248U, 43109740928U, 43222736512U, 43335741056U,
43448730496U, 43561740416U, 43674741632U, 43787740544U, 43900741504U,
44013739648U, 44126740864U, 44239740544U, 44352741248U, 44465738368U,
44578735232U, 44691739264U, 44804741504U, 44917741696U, 45030741376U,
45143741824U, 45256740992U, 45369739136U, 45482740096U, 45595739776U,
45708739712U, 45821740672U, 45934741376U, 46047741056U, 46160741248U,
46273737088U, 46386740864U, 46499739008U, 46612739968U, 46725735296U,
46838740864U, 46951741568U, 47064737152U, 47177741696U, 47290741376U,
47403738752U, 47516741248U, 47629739648U, 47742741632U, 47855737984U,
47968740224U, 48081738368U, 48194741632U, 48307739264U, 48420739712U,
48533739136U, 48646738304U, 48759741824U, 48872741504U, 48985739392U,
49098741376U, 49211741056U, 49324740992U, 49437738368U, 49550740864U,
49663735424U, 49776737408U, 49889740672U, 50002738816U, 50115738752U,
50228739712U, 50341741696U, 50454736768U, 50567738752U, 50680739968U,
50793736832U, 50906734976U, 51019741568U, 51132739456U, 51245741696U,
51358741376U, 51471741056U, 51584738944U, 51697734272U, 51810739072U,
51923736448U, 52036740736U, 52149741184U, 52262737024U, 52375738496U,
52488740992U, 52601739136U, 52714740352U, 52827736448U, 52940738176U,
53053741696U, 53166740864U, 53279741824U, 53392741504U, 53505739136U,
53618739584U, 53731741312U, 53844741248U, 53957741696U, 54070741376U,
54183740288U, 54296741504U, 54409741696U, 54522739072U, 54635737472U,
54748741504U, 54861736064U, 54974740096U, 55087741568U, 55200733568U,
55313741696U, 55426734464U, 55539741056U, 55652741504U, 55765741184U,
55878741376U, 55991730304U, 56104740992U, 56217740672U, 56330731648U,
56443737472U, 56556724352U, 56669740672U, 56782739072U, 56895740032U,
57008741248U, 57121741696U, 57234740096U, 57347741312U, 57460741504U
};
// 500 Epochs worth of tabulated DAG sizes (~3.5 Years)
// Generated with the following Mathematica Code:
// GetCacheSizes[n_] := Module[{
// DAGSizeBytesInit = 2^30,
// MixBytes = 128,
// DAGGrowth = 113000000,
// HashBytes = 64,
// DAGParents = 1024,
// j = 0},
// Reap[
// While[j < n,
// Module[{i = Floor[(DAGSizeBytesInit + DAGGrowth * j) / (DAGParents * HashBytes)]},
// While[! PrimeQ[i], i--];
// Sow[i*HashBytes]; j++]]]][[2]][[1]]
const size_t cache_sizes[] = {
1048384U, 1158208U, 1268416U, 1377856U, 1489856U, 1599296U, 1710656U,
1820608U, 1930816U, 2041024U, 2151872U, 2261696U, 2371904U, 2482624U,
2593216U, 2703296U, 2814016U, 2924224U, 3034816U, 3144896U, 3255488U,
3365312U, 3475904U, 3586624U, 3696064U, 3806272U, 3917504U, 4027456U,
4138304U, 4248512U, 4359104U, 4469312U, 4579264U, 4689728U, 4797376U,
4909888U, 5020096U, 5131328U, 5241664U, 5351744U, 5461312U, 5572544U,
5683264U, 5793472U, 5903552U, 6014144U, 6121664U, 6235072U, 6344896U,
6454592U, 6565952U, 6675904U, 6786112U, 6896704U, 7006784U, 7117888U,
7228096U, 7338304U, 7448768U, 7557952U, 7669184U, 7779776U, 7889216U,
8000192U, 8110912U, 8220736U, 8331712U, 8441536U, 8552384U, 8662592U,
8772928U, 8883136U, 8993728U, 9103168U, 9214528U, 9323968U, 9434816U,
9545152U, 9655616U, 9766336U, 9876544U, 9986624U, 10097344U, 10207424U,
10316864U, 10427968U, 10538432U, 10649152U, 10758976U, 10869568U, 10979776U,
11089472U, 11200832U, 11309632U, 11420608U, 11531584U, 11641792U, 11751104U,
11862976U, 11973184U, 12083264U, 12193856U, 12304064U, 12414656U, 12524608U,
12635072U, 12745792U, 12855616U, 12965824U, 13076416U, 13187008U, 13297216U,
13407808U, 13518016U, 13627072U, 13738688U, 13848256U, 13959488U, 14069696U,
14180288U, 14290624U, 14399552U, 14511424U, 14621504U, 14732096U, 14841664U,
14951744U, 15062336U, 15172672U, 15283264U, 15393088U, 15504448U, 15614272U,
15723712U, 15834944U, 15945152U, 16055744U, 16165696U, 16277056U, 16387136U,
16494784U, 16607936U, 16718272U, 16828736U, 16938176U, 17048384U, 17159872U,
17266624U, 17380544U, 17490496U, 17600192U, 17711296U, 17821376U, 17931968U,
18041152U, 18152896U, 18261952U, 18373568U, 18483392U, 18594112U, 18703936U,
18814912U, 18924992U, 19034944U, 19145408U, 19256128U, 19366208U, 19477184U,
19587136U, 19696576U, 19808192U, 19916992U, 20028352U, 20137664U, 20249024U,
20358848U, 20470336U, 20580544U, 20689472U, 20801344U, 20911424U, 21020096U,
21130688U, 21242176U, 21352384U, 21462208U, 21573824U, 21683392U, 21794624U,
21904448U, 22013632U, 22125248U, 22235968U, 22344512U, 22456768U, 22566848U,
22677056U, 22786496U, 22897984U, 23008064U, 23118272U, 23228992U, 23338816U,
23449408U, 23560256U, 23670464U, 23780672U, 23891264U, 24001216U, 24110656U,
24221888U, 24332608U, 24442688U, 24552512U, 24662464U, 24773696U, 24884032U,
24994496U, 25105216U, 25215296U, 25324864U, 25435712U, 25546432U, 25655744U,
25767232U, 25876672U, 25986368U, 26098112U, 26207936U, 26318912U, 26428736U,
26539712U, 26650048U, 26760256U, 26869184U, 26979776U, 27091136U, 27201728U,
27311552U, 27422272U, 27532352U, 27642304U, 27752896U, 27863744U, 27973952U,
28082752U, 28194752U, 28305344U, 28415168U, 28524992U, 28636352U, 28746304U,
28857152U, 28967104U, 29077184U, 29187904U, 29298496U, 29408576U, 29518912U,
29628992U, 29739968U, 29850176U, 29960512U, 30070336U, 30180544U, 30290752U,
30398912U, 30512192U, 30622784U, 30732992U, 30842176U, 30953536U, 31063744U,
31174336U, 31284544U, 31395136U, 31504448U, 31615552U, 31725632U, 31835072U,
31946176U, 32057024U, 32167232U, 32277568U, 32387008U, 32497984U, 32608832U,
32719168U, 32829376U, 32939584U, 33050048U, 33160768U, 33271232U, 33381184U,
33491648U, 33601856U, 33712576U, 33822016U, 33932992U, 34042816U, 34153024U,
34263104U, 34373824U, 34485056U, 34594624U, 34704832U, 34816064U, 34926272U,
35036224U, 35146816U, 35255104U, 35367104U, 35478208U, 35588416U, 35698496U,
35808832U, 35918656U, 36029888U, 36139456U, 36250688U, 36360512U, 36471104U,
36581696U, 36691136U, 36802112U, 36912448U, 37022912U, 37132864U, 37242944U,
37354048U, 37464512U, 37574848U, 37684928U, 37794752U, 37904704U, 38015552U,
38125888U, 38236864U, 38345792U, 38457152U, 38567744U, 38678336U, 38787776U,
38897216U, 39009088U, 39117632U, 39230144U, 39340352U, 39450304U, 39560384U,
39671488U, 39781312U, 39891392U, 40002112U, 40112704U, 40223168U, 40332608U,
40443968U, 40553792U, 40664768U, 40774208U, 40884416U, 40993984U, 41105984U,
41215424U, 41326528U, 41436992U, 41546048U, 41655872U, 41768128U, 41878336U,
41988928U, 42098752U, 42209344U, 42319168U, 42429248U, 42540352U, 42649792U,
42761024U, 42871616U, 42981824U, 43092032U, 43201856U, 43312832U, 43423552U,
43533632U, 43643584U, 43753792U, 43864384U, 43974976U, 44084032U, 44195392U,
44306368U, 44415296U, 44526016U, 44637248U, 44746816U, 44858048U, 44967872U,
45078848U, 45188288U, 45299264U, 45409216U, 45518272U, 45630272U, 45740224U,
45850432U, 45960896U, 46069696U, 46182208U, 46292416U, 46402624U, 46512064U,
46623296U, 46733888U, 46843712U, 46953664U, 47065024U, 47175104U, 47285696U,
47395904U, 47506496U, 47615296U, 47726912U, 47837632U, 47947712U, 48055232U,
48168128U, 48277952U, 48387392U, 48499648U, 48609472U, 48720064U, 48830272U,
48940096U, 49050944U, 49160896U, 49271744U, 49381568U, 49492288U, 49602752U,
49712576U, 49822016U, 49934272U, 50042816U, 50154304U, 50264128U, 50374336U,
50484416U, 50596288U, 50706752U, 50816704U, 50927168U, 51035456U, 51146944U,
51258176U, 51366976U, 51477824U, 51589568U, 51699776U, 51809728U, 51920576U,
52030016U, 52140736U, 52251328U, 52361152U, 52470592U, 52582592U, 52691776U,
52803136U, 52912576U, 53020736U, 53132224U, 53242688U, 53354816U, 53465536U,
53575232U, 53685568U, 53796544U, 53906752U, 54016832U, 54126656U, 54236992U,
54347456U, 54457408U, 54569024U, 54679232U, 54789184U, 54899776U, 55008832U,
55119296U, 55231168U, 55341248U, 55451584U, 55562048U, 55672256U, 55782208U,
55893184U, 56002112U, 56113216U
};
#ifdef __cplusplus
}
#endif

29
Godeps/_workspace/src/github.com/ethereum/ethash/node-ethash/binding.gyp generated vendored
View File

@ -1,29 +0,0 @@
{
"targets":
[{
"target_name": "ethash",
"sources": [
'./ethash.cc',
'../libethash/ethash.h',
'../libethash/util.c',
'../libethash/util.h',
'../libethash/blum_blum_shub.h',
'../libethash/blum_blum_shub.c',
'../libethash/sha3.h',
'../libethash/sha3.c',
'../libethash/internal.h',
'../libethash/internal.c'
],
"include_dirs": [
"../",
"<!(node -e \"require('nan')\")"
],
"cflags": [
"-Wall",
"-Wno-maybe-uninitialized",
"-Wno-uninitialized",
"-Wno-unused-function",
"-Wextra"
]
}]
}

587
Godeps/_workspace/src/github.com/ethereum/ethash/node-ethash/ethash.cc generated vendored
View File

@ -1,587 +0,0 @@
#include <nan.h>
#include <iostream>
#include <node.h>
#include <stdint.h>
#include <stdlib.h>
#include "../libethash/ethash.h"
using namespace v8;
class EthashValidator : public NanAsyncWorker {
public:
// Constructor
EthashValidator(NanCallback *callback, const unsigned blocknumber, const unsigned char * seed)
: NanAsyncWorker(callback), blocknumber(blocknumber), seed(seed) {}
// Destructor
~EthashValidator() {
free(this->cache);
free(this->params);
}
// Executed inside the worker-thread.
// It is not safe to access V8, or V8 data structures
// here, so everything we need for input and output
// should go on `this`.
void Execute () {
/* this->result = secp256k1_ecdsa_sign(this->msg, this->sig , &this->sig_len, this->pk, NULL, NULL); */
}
// Executed when the async work is complete
// this function will be run inside the main event loop
// so it is safe to use V8 again
void HandleOKCallback () {
NanScope();
Handle<Value> argv[] = {
NanNew<Number>(this->result)
};
callback->Call(2, argv);
}
protected:
const unsigned blocknumber;
const unsigned char * seed;
ethash_params * params;
ethash_cache * cache;
bool result;
bool ready = 0;
};
/* class CompactSignWorker : public SignWorker { */
/* public: */
/* CompactSignWorker(NanCallback *callback, const unsigned char *msg, const unsigned char *pk ) */
/* : SignWorker(callback, msg, pk){} */
/* void Execute () { */
/* this->result = secp256k1_ecdsa_sign_compact(this->msg, this->sig , this->pk, NULL, NULL, &this->sig_len); */
/* } */
/* void HandleOKCallback () { */
/* NanScope(); */
/* Handle<Value> argv[] = { */
/* NanNew<Number>(this->result), */
/* NanNewBufferHandle((char *)this->sig, 64), */
/* NanNew<Number>(this->sig_len) */
/* }; */
/* callback->Call(3, argv); */
/* } */
/* }; */
/* class RecoverWorker : public NanAsyncWorker { */
/* public: */
/* // Constructor */
/* RecoverWorker(NanCallback *callback, const unsigned char *msg, const unsigned char *sig, int compressed, int rec_id) */
/* : NanAsyncWorker(callback), msg(msg), sig(sig), compressed(compressed), rec_id(rec_id) {} */
/* // Destructor */
/* ~RecoverWorker() {} */
/* void Execute () { */
/* if(this->compressed == 1){ */
/* this->pubkey = new unsigned char[33]; */
/* }else{ */
/* this->pubkey = new unsigned char[65]; */
/* } */
/* this->result = secp256k1_ecdsa_recover_compact(this->msg, this->sig, this->pubkey, &this->pubkey_len, this->compressed, this->rec_id); */
/* } */
/* void HandleOKCallback () { */
/* NanScope(); */
/* Handle<Value> argv[] = { */
/* NanNew<Number>(this->result), */
/* NanNewBufferHandle((char *)this->pubkey, this->pubkey_len) */
/* }; */
/* callback->Call(2, argv); */
/* } */
/* protected: */
/* const unsigned char * msg; */
/* const unsigned char * sig; */
/* int compressed; */
/* int rec_id; */
/* int result; */
/* unsigned char * pubkey; */
/* int pubkey_len; */
/* }; */
/* class VerifyWorker : public NanAsyncWorker { */
/* public: */
/* // Constructor */
/* VerifyWorker(NanCallback *callback, const unsigned char *msg, const unsigned char *sig, int sig_len, const unsigned char *pub_key, int pub_key_len) */
/* : NanAsyncWorker(callback), msg(msg), sig(sig), sig_len(sig_len), pub_key(pub_key), pub_key_len(pub_key_len) {} */
/* // Destructor */
/* ~VerifyWorker() {} */
/* void Execute () { */
/* this->result = secp256k1_ecdsa_verify(this->msg, this->sig, this->sig_len, this->pub_key, this->pub_key_len); */
/* } */
/* void HandleOKCallback () { */
/* NanScope(); */
/* Handle<Value> argv[] = { */
/* NanNew<Number>(this->result), */
/* }; */
/* callback->Call(1, argv); */
/* } */
/* protected: */
/* int result; */
/* const unsigned char * msg; */
/* const unsigned char * sig; */
/* int sig_len; */
/* const unsigned char * pub_key; */
/* int pub_key_len; */
/* }; */
/* NAN_METHOD(Verify){ */
/* NanScope(); */
/* Local<Object> pub_buf = args[0].As<Object>(); */
/* const unsigned char *pub_data = (unsigned char *) node::Buffer::Data(pub_buf); */
/* int pub_len = node::Buffer::Length(args[0]); */
/* Local<Object> msg_buf = args[1].As<Object>(); */
/* const unsigned char *msg_data = (unsigned char *) node::Buffer::Data(msg_buf); */
/* Local<Object> sig_buf = args[2].As<Object>(); */
/* const unsigned char *sig_data = (unsigned char *) node::Buffer::Data(sig_buf); */
/* int sig_len = node::Buffer::Length(args[2]); */
/* int result = secp256k1_ecdsa_verify(msg_data, sig_data, sig_len, pub_data, pub_len ); */
/* NanReturnValue(NanNew<Number>(result)); */
/* } */
/* NAN_METHOD(Verify_Async){ */
/* NanScope(); */
/* Local<Object> pub_buf = args[0].As<Object>(); */
/* const unsigned char *pub_data = (unsigned char *) node::Buffer::Data(pub_buf); */
/* int pub_len = node::Buffer::Length(args[0]); */
/* Local<Object> msg_buf = args[1].As<Object>(); */
/* const unsigned char *msg_data = (unsigned char *) node::Buffer::Data(msg_buf); */
/* Local<Object> sig_buf = args[2].As<Object>(); */
/* const unsigned char *sig_data = (unsigned char *) node::Buffer::Data(sig_buf); */
/* int sig_len = node::Buffer::Length(args[2]); */
/* Local<Function> callback = args[3].As<Function>(); */
/* NanCallback* nanCallback = new NanCallback(callback); */
/* VerifyWorker* worker = new VerifyWorker(nanCallback, msg_data, sig_data, sig_len, pub_data, pub_len); */
/* NanAsyncQueueWorker(worker); */
/* NanReturnUndefined(); */
/* } */
/* NAN_METHOD(Sign){ */
/* NanScope(); */
/* //the first argument should be the private key as a buffer */
/* Local<Object> pk_buf = args[0].As<Object>(); */
/* const unsigned char *pk_data = (unsigned char *) node::Buffer::Data(pk_buf); */
/* int sec_len = node::Buffer::Length(args[0]); */
/* //the second argument is the message that we are signing */
/* Local<Object> msg_buf = args[1].As<Object>(); */
/* const unsigned char *msg_data = (unsigned char *) node::Buffer::Data(msg_buf); */
/* unsigned char sig[72]; */
/* int sig_len = 72; */
/* int msg_len = node::Buffer::Length(args[1]); */
/* if(sec_len != 32){ */
/* return NanThrowError("the secret key needs tobe 32 bytes"); */
/* } */
/* if(msg_len == 0){ */
/* return NanThrowError("messgae cannot be null"); */
/* } */
/* int result = secp256k1_ecdsa_sign(msg_data, sig , &sig_len, pk_data, NULL, NULL); */
/* if(result == 1){ */
/* NanReturnValue(NanNewBufferHandle((char *)sig, sig_len)); */
/* }else{ */
/* return NanThrowError("nonce invalid, try another one"); */
/* } */
/* } */
/* NAN_METHOD(Sign_Async){ */
/* NanScope(); */
/* //the first argument should be the private key as a buffer */
/* Local<Object> sec_buf = args[0].As<Object>(); */
/* const unsigned char *sec_data = (unsigned char *) node::Buffer::Data(sec_buf); */
/* int sec_len = node::Buffer::Length(args[0]); */
/* //the second argument is the message that we are signing */
/* Local<Object> msg_buf = args[1].As<Object>(); */
/* const unsigned char *msg_data = (unsigned char *) node::Buffer::Data(msg_buf); */
/* Local<Function> callback = args[2].As<Function>(); */
/* NanCallback* nanCallback = new NanCallback(callback); */
/* int msg_len = node::Buffer::Length(args[1]); */
/* if(sec_len != 32){ */
/* return NanThrowError("the secret key needs tobe 32 bytes"); */
/* } */
/* if(msg_len == 0){ */
/* return NanThrowError("messgae cannot be null"); */
/* } */
/* SignWorker* worker = new SignWorker(nanCallback, msg_data, sec_data); */
/* NanAsyncQueueWorker(worker); */
/* NanReturnUndefined(); */
/* } */
/* NAN_METHOD(Sign_Compact){ */
/* NanScope(); */
/* Local<Object> seckey_buf = args[0].As<Object>(); */
/* const unsigned char *seckey_data = (unsigned char *) node::Buffer::Data(seckey_buf); */
/* int sec_len = node::Buffer::Length(args[0]); */
/* Local<Object> msg_buf = args[1].As<Object>(); */
/* const unsigned char *msg_data = (unsigned char *) node::Buffer::Data(msg_buf); */
/* int msg_len = node::Buffer::Length(args[1]); */
/* if(sec_len != 32){ */
/* return NanThrowError("the secret key needs tobe 32 bytes"); */
/* } */
/* if(msg_len == 0){ */
/* return NanThrowError("messgae cannot be null"); */
/* } */
/* unsigned char sig[64]; */
/* int rec_id; */
/* //TODO: change the nonce */
/* int valid_nonce = secp256k1_ecdsa_sign_compact(msg_data, sig, seckey_data, NULL, NULL, &rec_id ); */
/* Local<Array> array = NanNew<Array>(3); */
/* array->Set(0, NanNew<Integer>(valid_nonce)); */
/* array->Set(1, NanNew<Integer>(rec_id)); */
/* array->Set(2, NanNewBufferHandle((char *)sig, 64)); */
/* NanReturnValue(array); */
/* } */
/* NAN_METHOD(Sign_Compact_Async){ */
/* NanScope(); */
/* //the first argument should be the private key as a buffer */
/* Local<Object> sec_buf = args[0].As<Object>(); */
/* const unsigned char *sec_data = (unsigned char *) node::Buffer::Data(sec_buf); */
/* int sec_len = node::Buffer::Length(args[0]); */
/* //the second argument is the message that we are signing */
/* Local<Object> msg_buf = args[1].As<Object>(); */
/* const unsigned char *msg_data = (unsigned char *) node::Buffer::Data(msg_buf); */
/* Local<Function> callback = args[2].As<Function>(); */
/* NanCallback* nanCallback = new NanCallback(callback); */
/* int msg_len = node::Buffer::Length(args[1]); */
/* if(sec_len != 32){ */
/* return NanThrowError("the secret key needs tobe 32 bytes"); */
/* } */
/* if(msg_len == 0){ */
/* return NanThrowError("messgae cannot be null"); */
/* } */
/* CompactSignWorker* worker = new CompactSignWorker(nanCallback, msg_data, sec_data); */
/* NanAsyncQueueWorker(worker); */
/* NanReturnUndefined(); */
/* } */
/* NAN_METHOD(Recover_Compact){ */
/* NanScope(); */
/* Local<Object> msg_buf = args[0].As<Object>(); */
/* const unsigned char *msg = (unsigned char *) node::Buffer::Data(msg_buf); */
/* int msg_len = node::Buffer::Length(args[0]); */
/* Local<Object> sig_buf = args[1].As<Object>(); */
/* const unsigned char *sig = (unsigned char *) node::Buffer::Data(sig_buf); */
/* Local<Number> compressed = args[2].As<Number>(); */
/* int int_compressed = compressed->IntegerValue(); */
/* Local<Number> rec_id = args[3].As<Number>(); */
/* int int_rec_id = rec_id->IntegerValue(); */
/* if(msg_len == 0){ */
/* return NanThrowError("messgae cannot be null"); */
/* } */
/* unsigned char pubKey[65]; */
/* int pubKeyLen; */
/* int result = secp256k1_ecdsa_recover_compact(msg, sig, pubKey, &pubKeyLen, int_compressed, int_rec_id); */
/* if(result == 1){ */
/* NanReturnValue(NanNewBufferHandle((char *)pubKey, pubKeyLen)); */
/* }else{ */
/* NanReturnValue(NanFalse()); */
/* } */
/* } */
/* NAN_METHOD(Recover_Compact_Async){ */
/* NanScope(); */
/* //the message */
/* Local<Object> msg_buf = args[0].As<Object>(); */
/* const unsigned char *msg = (unsigned char *) node::Buffer::Data(msg_buf); */
/* int msg_len = node::Buffer::Length(args[0]); */
/* //the signature length */
/* Local<Object> sig_buf = args[1].As<Object>(); */
/* const unsigned char *sig = (unsigned char *) node::Buffer::Data(sig_buf); */
/* //todo sig len needs tobe 64 */
/* int sig_len = node::Buffer::Length(args[1]); */
/* //to compress or not? */
/* Local<Number> compressed = args[2].As<Number>(); */
/* int int_compressed = compressed->IntegerValue(); */
/* //the rec_id */
/* Local<Number> rec_id = args[3].As<Number>(); */
/* int int_rec_id = rec_id->IntegerValue(); */
/* //the callback */
/* Local<Function> callback = args[4].As<Function>(); */
/* NanCallback* nanCallback = new NanCallback(callback); */
/* if(sig_len != 64){ */
/* return NanThrowError("the signature needs to be 64 bytes"); */
/* } */
/* if(msg_len == 0){ */
/* return NanThrowError("messgae cannot be null"); */
/* } */
/* RecoverWorker* worker = new RecoverWorker(nanCallback, msg, sig, int_compressed, int_rec_id); */
/* NanAsyncQueueWorker(worker); */
/* NanReturnUndefined(); */
/* } */
/* NAN_METHOD(Seckey_Verify){ */
/* NanScope(); */
/* const unsigned char *data = (const unsigned char*) node::Buffer::Data(args[0]); */
/* int result = secp256k1_ec_seckey_verify(data); */
/* NanReturnValue(NanNew<Number>(result)); */
/* } */
/* NAN_METHOD(Pubkey_Verify){ */
/* NanScope(); */
/* Local<Object> pub_buf = args[0].As<Object>(); */
/* const unsigned char *pub_key = (unsigned char *) node::Buffer::Data(pub_buf); */
/* int pub_key_len = node::Buffer::Length(args[0]); */
/* int result = secp256k1_ec_pubkey_verify(pub_key, pub_key_len); */
/* NanReturnValue(NanNew<Number>(result)); */
/* } */
/* NAN_METHOD(Pubkey_Create){ */
/* NanScope(); */
/* Handle<Object> pk_buf = args[0].As<Object>(); */
/* const unsigned char *pk_data = (unsigned char *) node::Buffer::Data(pk_buf); */
/* int pk_len = node::Buffer::Length(args[0]); */
/* Local<Number> l_compact = args[1].As<Number>(); */
/* int compact = l_compact->IntegerValue(); */
/* int pubKeyLen; */
/* if(pk_len != 32){ */
/* return NanThrowError("the secert key need to be 32 bytes"); */
/* } */
/* unsigned char *pubKey; */
/* if(compact == 1){ */
/* pubKey = new unsigned char[33]; */
/* }else{ */
/* pubKey = new unsigned char[65]; */
/* } */
/* int results = secp256k1_ec_pubkey_create(pubKey,&pubKeyLen, pk_data, compact ); */
/* if(results == 0){ */
/* return NanThrowError("secret was invalid, try again."); */
/* }else{ */
/* NanReturnValue(NanNewBufferHandle((char *)pubKey, pubKeyLen)); */
/* } */
/* } */
/* NAN_METHOD(Pubkey_Decompress){ */
/* NanScope(); */
/* //the first argument should be the private key as a buffer */
/* Local<Object> pk_buf = args[0].As<Object>(); */
/* unsigned char *pk_data = (unsigned char *) node::Buffer::Data(pk_buf); */
/* int pk_len = node::Buffer::Length(args[0]); */
/* int results = secp256k1_ec_pubkey_decompress(pk_data, &pk_len); */
/* if(results == 0){ */
/* return NanThrowError("invalid public key"); */
/* }else{ */
/* NanReturnValue(NanNewBufferHandle((char *)pk_data, pk_len)); */
/* } */
/* } */
/* NAN_METHOD(Privkey_Import){ */
/* NanScope(); */
/* //the first argument should be the private key as a buffer */
/* Handle<Object> pk_buf = args[0].As<Object>(); */
/* const unsigned char *pk_data = (unsigned char *) node::Buffer::Data(pk_buf); */
/* int pk_len = node::Buffer::Length(args[0]); */
/* unsigned char sec_key[32]; */
/* int results = secp256k1_ec_privkey_import(sec_key, pk_data, pk_len); */
/* if(results == 0){ */
/* return NanThrowError("invalid private key"); */
/* }else{ */
/* NanReturnValue(NanNewBufferHandle((char *)sec_key, 32)); */
/* } */
/* } */
/* NAN_METHOD(Privkey_Export){ */
/* NanScope(); */
/* //the first argument should be the private key as a buffer */
/* Handle<Object> sk_buf = args[0].As<Object>(); */
/* const unsigned char *sk_data = (unsigned char *) node::Buffer::Data(sk_buf); */
/* Local<Number> l_compressed = args[1].As<Number>(); */
/* int compressed = l_compressed->IntegerValue(); */
/* unsigned char *privKey; */
/* int pk_len; */
/* int results = secp256k1_ec_privkey_export(sk_data, privKey, &pk_len, compressed); */
/* if(results == 0){ */
/* return NanThrowError("invalid private key"); */
/* }else{ */
/* NanReturnValue(NanNewBufferHandle((char *)privKey, pk_len)); */
/* } */
/* } */
/* NAN_METHOD(Privkey_Tweak_Add){ */
/* NanScope(); */
/* //the first argument should be the private key as a buffer */
/* Handle<Object> sk_buf = args[0].As<Object>(); */
/* unsigned char *sk = (unsigned char *) node::Buffer::Data(sk_buf); */
/* Handle<Object> tweak_buf = args[1].As<Object>(); */
/* const unsigned char *tweak= (unsigned char *) node::Buffer::Data(tweak_buf); */
/* int results = secp256k1_ec_privkey_tweak_add(sk, tweak); */
/* if(results == 0){ */
/* return NanThrowError("invalid key"); */
/* }else{ */
/* NanReturnValue(NanNewBufferHandle((char *)sk, 32)); */
/* } */
/* } */
/* NAN_METHOD(Privkey_Tweak_Mul){ */
/* NanScope(); */
/* //the first argument should be the private key as a buffer */
/* Handle<Object> sk_buf = args[0].As<Object>(); */
/* unsigned char *sk = (unsigned char *) node::Buffer::Data(sk_buf); */
/* Handle<Object> tweak_buf = args[1].As<Object>(); */
/* const unsigned char *tweak= (unsigned char *) node::Buffer::Data(tweak_buf); */
/* int results = secp256k1_ec_privkey_tweak_mul(sk, tweak); */
/* if(results == 0){ */
/* return NanThrowError("invalid key"); */
/* }else{ */
/* NanReturnValue(NanNewBufferHandle((char *)sk, 32)); */
/* } */
/* } */
/* NAN_METHOD(Pubkey_Tweak_Add){ */
/* NanScope(); */
/* //the first argument should be the private key as a buffer */
/* Handle<Object> pk_buf = args[0].As<Object>(); */
/* unsigned char *pk = (unsigned char *) node::Buffer::Data(pk_buf); */
/* int pk_len = node::Buffer::Length(args[0]); */
/* Handle<Object> tweak_buf = args[1].As<Object>(); */
/* const unsigned char *tweak= (unsigned char *) node::Buffer::Data(tweak_buf); */
/* int results = secp256k1_ec_pubkey_tweak_add(pk, pk_len, tweak); */
/* if(results == 0){ */
/* return NanThrowError("invalid key"); */
/* }else{ */
/* NanReturnValue(NanNewBufferHandle((char *)pk, pk_len)); */
/* } */
/* } */
/* NAN_METHOD(Pubkey_Tweak_Mul){ */
/* NanScope(); */
/* //the first argument should be the private key as a buffer */
/* Handle<Object> pk_buf = args[0].As<Object>(); */
/* unsigned char *pk = (unsigned char *) node::Buffer::Data(pk_buf); */
/* int pk_len = node::Buffer::Length(args[0]); */
/* Handle<Object> tweak_buf = args[1].As<Object>(); */
/* const unsigned char *tweak= (unsigned char *) node::Buffer::Data(tweak_buf); */
/* int results = secp256k1_ec_pubkey_tweak_mul(pk, pk_len, tweak); */
/* if(results == 0){ */
/* return NanThrowError("invalid key"); */
/* }else{ */
/* NanReturnValue(NanNewBufferHandle((char *)pk, pk_len)); */
/* } */
/* } */
void Init(Handle<Object> exports) {
/* secp256k1_start(SECP256K1_START_SIGN | SECP256K1_START_VERIFY); */
/* exports->Set(NanNew("seckeyVerify"), NanNew<FunctionTemplate>(Seckey_Verify)->GetFunction()); */
/* exports->Set(NanNew("sign"), NanNew<FunctionTemplate>(Sign)->GetFunction()); */
/* exports->Set(NanNew("signAsync"), NanNew<FunctionTemplate>(Sign_Async)->GetFunction()); */
/* exports->Set(NanNew("signCompact"), NanNew<FunctionTemplate>(Sign_Compact)->GetFunction()); */
/* exports->Set(NanNew("signCompactAsync"), NanNew<FunctionTemplate>(Sign_Compact_Async)->GetFunction()); */
/* exports->Set(NanNew("recoverCompact"), NanNew<FunctionTemplate>(Recover_Compact)->GetFunction()); */
/* exports->Set(NanNew("recoverCompactAsync"), NanNew<FunctionTemplate>(Recover_Compact_Async)->GetFunction()); */
/* exports->Set(NanNew("verify"), NanNew<FunctionTemplate>(Verify)->GetFunction()); */
/* exports->Set(NanNew("verifyAsync"), NanNew<FunctionTemplate>(Verify_Async)->GetFunction()); */
/* exports->Set(NanNew("secKeyVerify"), NanNew<FunctionTemplate>(Seckey_Verify)->GetFunction()); */
/* exports->Set(NanNew("pubKeyVerify"), NanNew<FunctionTemplate>(Pubkey_Verify)->GetFunction()); */
/* exports->Set(NanNew("pubKeyCreate"), NanNew<FunctionTemplate>(Pubkey_Create)->GetFunction()); */
/* exports->Set(NanNew("pubKeyDecompress"), NanNew<FunctionTemplate>(Pubkey_Decompress)->GetFunction()); */
/* exports->Set(NanNew("privKeyExport"), NanNew<FunctionTemplate>(Privkey_Export)->GetFunction()); */
/* exports->Set(NanNew("privKeyImport"), NanNew<FunctionTemplate>(Privkey_Import)->GetFunction()); */
/* exports->Set(NanNew("privKeyTweakAdd"), NanNew<FunctionTemplate>(Privkey_Tweak_Add)->GetFunction()); */
/* exports->Set(NanNew("privKeyTweakMul"), NanNew<FunctionTemplate>(Privkey_Tweak_Mul)->GetFunction()); */
/* exports->Set(NanNew("pubKeyTweakAdd"), NanNew<FunctionTemplate>(Privkey_Tweak_Add)->GetFunction()); */
/* exports->Set(NanNew("pubKeyTweakMul"), NanNew<FunctionTemplate>(Privkey_Tweak_Mul)->GetFunction()); */
}
NODE_MODULE(secp256k1, Init)

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Godeps/_workspace/src/github.com/ethereum/ethash/node-ethash/package.json generated vendored
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@ -1,13 +0,0 @@
{
"name": "node-ethash",
"version": "1.0.0",
"description": "",
"main": "index.js",
"scripts": {
"test": "echo \"Error: no test specified\" && exit 1",
"install": "node-gyp rebuild"
},
"author": "",
"license": "ISC",
"gypfile": true
}

12
Godeps/_workspace/src/github.com/ethereum/ethash/node-ethash/readme.md generated vendored
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@ -1,12 +0,0 @@
# To Develop
`npm install -g node-gyp`
`npm install .`
# To rebuild
`node-gyp rebuild`
# notes
nan is good https://github.com/rvagg/nan

2
Godeps/_workspace/src/github.com/ethereum/ethash/pyethash/.gitignore generated vendored Normal file
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@ -0,0 +1,2 @@
pyethash.egg-info/
*.so

3
Godeps/_workspace/src/github.com/ethereum/ethash/pyethash/__init__.py generated vendored Normal file
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@ -0,0 +1,3 @@
import pyethash.core
core = pyethash.core
EPOCH_LENGTH = 30000

21
Godeps/_workspace/src/github.com/ethereum/ethash/setup.py generated vendored Normal file
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#!/usr/bin/env python
from distutils.core import setup, Extension
pyethash_core = Extension('pyethash.core',
sources = [
'src/python/core.c',
'src/libethash/util.c',
'src/libethash/internal.c',
'src/libethash/sha3.c'
],
extra_compile_args = ["-std=gnu99"])
setup (
name = 'pyethash',
author = "Matthew Wampler-Doty",
author_email = "matthew.wampler.doty@gmail.com",
license = 'GPL',
version = '1.0',
description = 'Python wrappers for ethash, the ethereum proof of work hashing function',
ext_modules = [pyethash_core],
)

0
Godeps/_workspace/src/github.com/ethereum/ethash/benchmark/CMakeLists.txt → Godeps/_workspace/src/github.com/ethereum/ethash/src/benchmark/CMakeLists.txt generated vendored
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0
Godeps/_workspace/src/github.com/ethereum/ethash/benchmark/benchmark.cpp → Godeps/_workspace/src/github.com/ethereum/ethash/src/benchmark/benchmark.cpp generated vendored
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15
Godeps/_workspace/src/github.com/ethereum/ethash/src/libethash-cl/CMakeLists.txt generated vendored Normal file
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set(LIBRARY ethash-cl)
set(CMAKE_BUILD_TYPE Release)
include(bin2h.cmake)
bin2h(SOURCE_FILE ethash_cl_miner_kernel.cl VARIABLE_NAME ethash_cl_miner_kernel HEADER_FILE ${CMAKE_CURRENT_BINARY_DIR}/ethash_cl_miner_kernel.h)
if (NOT OpenCL_FOUND)
find_package(OpenCL)
endif()
if (OpenCL_FOUND)
include_directories(${OpenCL_INCLUDE_DIRS} ${CMAKE_CURRENT_BINARY_DIR})
include_directories(..)
add_library(${LIBRARY} ethash_cl_miner.cpp ethash_cl_miner.h)
TARGET_LINK_LIBRARIES(${LIBRARY} ${OpenCL_LIBRARIES} ethash)
endif()

87
Godeps/_workspace/src/github.com/ethereum/ethash/src/libethash-cl/bin2h.cmake generated vendored Normal file
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# https://gist.github.com/sivachandran/3a0de157dccef822a230
include(CMakeParseArguments)
# Function to wrap a given string into multiple lines at the given column position.
# Parameters:
# VARIABLE - The name of the CMake variable holding the string.
# AT_COLUMN - The column position at which string will be wrapped.
function(WRAP_STRING)
set(oneValueArgs VARIABLE AT_COLUMN)
cmake_parse_arguments(WRAP_STRING "${options}" "${oneValueArgs}" "" ${ARGN})
string(LENGTH ${${WRAP_STRING_VARIABLE}} stringLength)
math(EXPR offset "0")
while(stringLength GREATER 0)
if(stringLength GREATER ${WRAP_STRING_AT_COLUMN})
math(EXPR length "${WRAP_STRING_AT_COLUMN}")
else()
math(EXPR length "${stringLength}")
endif()
string(SUBSTRING ${${WRAP_STRING_VARIABLE}} ${offset} ${length} line)
set(lines "${lines}\n${line}")
math(EXPR stringLength "${stringLength} - ${length}")
math(EXPR offset "${offset} + ${length}")
endwhile()
set(${WRAP_STRING_VARIABLE} "${lines}" PARENT_SCOPE)
endfunction()
# Function to embed contents of a file as byte array in C/C++ header file(.h). The header file
# will contain a byte array and integer variable holding the size of the array.
# Parameters
# SOURCE_FILE - The path of source file whose contents will be embedded in the header file.
# VARIABLE_NAME - The name of the variable for the byte array. The string "_SIZE" will be append
# to this name and will be used a variable name for size variable.
# HEADER_FILE - The path of header file.
# APPEND - If specified appends to the header file instead of overwriting it
# NULL_TERMINATE - If specified a null byte(zero) will be append to the byte array. This will be
# useful if the source file is a text file and we want to use the file contents
# as string. But the size variable holds size of the byte array without this
# null byte.
# Usage:
# bin2h(SOURCE_FILE "Logo.png" HEADER_FILE "Logo.h" VARIABLE_NAME "LOGO_PNG")
function(BIN2H)
set(options APPEND NULL_TERMINATE)
set(oneValueArgs SOURCE_FILE VARIABLE_NAME HEADER_FILE)
cmake_parse_arguments(BIN2H "${options}" "${oneValueArgs}" "" ${ARGN})
# reads source file contents as hex string
file(READ ${BIN2H_SOURCE_FILE} hexString HEX)
string(LENGTH ${hexString} hexStringLength)
# appends null byte if asked
if(BIN2H_NULL_TERMINATE)
set(hexString "${hexString}00")
endif()
# wraps the hex string into multiple lines at column 32(i.e. 16 bytes per line)
wrap_string(VARIABLE hexString AT_COLUMN 32)
math(EXPR arraySize "${hexStringLength} / 2")
# adds '0x' prefix and comma suffix before and after every byte respectively
string(REGEX REPLACE "([0-9a-f][0-9a-f])" "0x\\1, " arrayValues ${hexString})
# removes trailing comma
string(REGEX REPLACE ", $" "" arrayValues ${arrayValues})
# converts the variable name into proper C identifier
# TODO: fix for legacy cmake
IF (${CMAKE_VERSION} GREATER 2.8.10)
string(MAKE_C_IDENTIFIER "${BIN2H_VARIABLE_NAME}" BIN2H_VARIABLE_NAME)
ENDIF()
string(TOUPPER "${BIN2H_VARIABLE_NAME}" BIN2H_VARIABLE_NAME)
# declares byte array and the length variables
set(arrayDefinition "const unsigned char ${BIN2H_VARIABLE_NAME}[] = { ${arrayValues} };")
set(arraySizeDefinition "const size_t ${BIN2H_VARIABLE_NAME}_SIZE = ${arraySize};")
set(declarations "${arrayDefinition}\n\n${arraySizeDefinition}\n\n")
if(BIN2H_APPEND)
file(APPEND ${BIN2H_HEADER_FILE} "${declarations}")
else()
file(WRITE ${BIN2H_HEADER_FILE} "${declarations}")
endif()
endfunction()

0
Godeps/_workspace/src/github.com/ethereum/ethash/libethash-cl/cl.hpp → Godeps/_workspace/src/github.com/ethereum/ethash/src/libethash-cl/cl.hpp generated vendored
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289
Godeps/_workspace/src/github.com/ethereum/ethash/src/libethash-cl/ethash_cl_miner.cpp generated vendored Normal file
View File

@ -0,0 +1,289 @@
/*
This file is part of c-ethash.
c-ethash is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
c-ethash is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with cpp-ethereum. If not, see <http://www.gnu.org/licenses/>.
*/
/** @file ethash_cl_miner.cpp
* @author Tim Hughes <tim@twistedfury.com>
* @date 2015
*/
#define _CRT_SECURE_NO_WARNINGS
#include <assert.h>
#include <queue>
#include "ethash_cl_miner.h"
#include "ethash_cl_miner_kernel.h"
#include <libethash/util.h>
#undef min
#undef max
#define HASH_BYTES 32
static void add_definition(std::string& source, char const* id, unsigned value)
{
char buf[256];
sprintf(buf, "#define %s %uu\n", id, value);
source.insert(source.begin(), buf, buf + strlen(buf));
}
ethash_cl_miner::ethash_cl_miner()
{
}
bool ethash_cl_miner::init(ethash_params const& params, const uint8_t seed[32], unsigned workgroup_size)
{
// store params
m_params = params;
// get all platforms
std::vector<cl::Platform> platforms;
cl::Platform::get(&platforms);
if (platforms.empty())
{
debugf("No OpenCL platforms found.\n");
return false;
}
// use default platform
debugf("Using platform: %s\n", platforms[0].getInfo<CL_PLATFORM_NAME>().c_str());
// get GPU device of the default platform
std::vector<cl::Device> devices;
platforms[0].getDevices(CL_DEVICE_TYPE_ALL, &devices);
if (devices.empty())
{
debugf("No OpenCL devices found.\n");
return false;
}
// use default device
cl::Device& device = devices[0];
debugf("Using device: %s\n", device.getInfo<CL_DEVICE_NAME>().c_str());
// create context
m_context = cl::Context({device});
m_queue = cl::CommandQueue(m_context, device);
// use requested workgroup size, but we require multiple of 8
m_workgroup_size = ((workgroup_size + 7) / 8) * 8;
// patch source code
std::string code(ETHASH_CL_MINER_KERNEL, ETHASH_CL_MINER_KERNEL + ETHASH_CL_MINER_KERNEL_SIZE);
add_definition(code, "GROUP_SIZE", m_workgroup_size);
add_definition(code, "DAG_SIZE", (unsigned)(params.full_size / MIX_BYTES));
add_definition(code, "ACCESSES", ACCESSES);
add_definition(code, "MAX_OUTPUTS", c_max_search_results);
//debugf("%s", code.c_str());
// create miner OpenCL program
cl::Program::Sources sources;
sources.push_back({code.c_str(), code.size()});
cl::Program program(m_context, sources);
try
{
program.build({device});
}
catch (cl::Error err)
{
debugf("%s\n", program.getBuildInfo<CL_PROGRAM_BUILD_LOG>(device).c_str());
return false;
}
m_hash_kernel = cl::Kernel(program, "ethash_hash");
m_search_kernel = cl::Kernel(program, "ethash_search");
// create buffer for dag
m_dag = cl::Buffer(m_context, CL_MEM_READ_ONLY, params.full_size);
// create buffer for header
m_header = cl::Buffer(m_context, CL_MEM_READ_ONLY, 32);
// compute dag on CPU
{
void* cache_mem = malloc(params.cache_size + 63);
ethash_cache cache;
cache.mem = (void*)(((uintptr_t)cache_mem + 63) & ~63);
ethash_mkcache(&cache, &params, seed);
// if this throws then it's because we probably need to subdivide the dag uploads for compatibility
void* dag_ptr = m_queue.enqueueMapBuffer(m_dag, true, CL_MAP_WRITE_INVALIDATE_REGION, 0, params.full_size);
ethash_compute_full_data(dag_ptr, &params, &cache);
m_queue.enqueueUnmapMemObject(m_dag, dag_ptr);
free(cache_mem);
}
// create mining buffers
for (unsigned i = 0; i != c_num_buffers; ++i)
{
m_hash_buf[i] = cl::Buffer(m_context, CL_MEM_WRITE_ONLY | CL_MEM_HOST_READ_ONLY, 32*c_hash_batch_size);
m_search_buf[i] = cl::Buffer(m_context, CL_MEM_WRITE_ONLY, (c_max_search_results + 1) * sizeof(uint32_t));
}
return true;
}
void ethash_cl_miner::hash(uint8_t* ret, uint8_t const* header, uint64_t nonce, unsigned count)
{
struct pending_batch
{
unsigned base;
unsigned count;
unsigned buf;
};
std::queue<pending_batch> pending;
// update header constant buffer
m_queue.enqueueWriteBuffer(m_header, true, 0, 32, header);
/*
__kernel void ethash_combined_hash(
__global hash32_t* g_hashes,
__constant hash32_t const* g_header,
__global hash128_t const* g_dag,
ulong start_nonce,
uint isolate
)
*/
m_hash_kernel.setArg(1, m_header);
m_hash_kernel.setArg(2, m_dag);
m_hash_kernel.setArg(3, nonce);
m_hash_kernel.setArg(4, ~0u); // have to pass this to stop the compile unrolling the loop
unsigned buf = 0;
for (unsigned i = 0; i < count || !pending.empty(); )
{
// how many this batch
if (i < count)
{
unsigned const this_count = std::min(count - i, c_hash_batch_size);
unsigned const batch_count = std::max(this_count, m_workgroup_size);
// supply output hash buffer to kernel
m_hash_kernel.setArg(0, m_hash_buf[buf]);
// execute it!
clock_t start_time = clock();
m_queue.enqueueNDRangeKernel(
m_hash_kernel,
cl::NullRange,
cl::NDRange(batch_count),
cl::NDRange(m_workgroup_size)
);
m_queue.flush();
pending.push({i, this_count, buf});
i += this_count;
buf = (buf + 1) % c_num_buffers;
}
// read results
if (i == count || pending.size() == c_num_buffers)
{
pending_batch const& batch = pending.front();
// could use pinned host pointer instead, but this path isn't that important.
uint8_t* hashes = (uint8_t*)m_queue.enqueueMapBuffer(m_hash_buf[batch.buf], true, CL_MAP_READ, 0, batch.count * HASH_BYTES);
memcpy(ret + batch.base*HASH_BYTES, hashes, batch.count*HASH_BYTES);
m_queue.enqueueUnmapMemObject(m_hash_buf[batch.buf], hashes);
pending.pop();
}
}
}
void ethash_cl_miner::search(uint8_t const* header, uint64_t target, search_hook& hook)
{
struct pending_batch
{
uint64_t start_nonce;
unsigned buf;
};
std::queue<pending_batch> pending;
static uint32_t const c_zero = 0;
// update header constant buffer
m_queue.enqueueWriteBuffer(m_header, false, 0, 32, header);
for (unsigned i = 0; i != c_num_buffers; ++i)
{
m_queue.enqueueWriteBuffer(m_search_buf[i], false, 0, 4, &c_zero);
}
cl::Event pre_return_event;
m_queue.enqueueBarrierWithWaitList(NULL, &pre_return_event);
/*
__kernel void ethash_combined_search(
__global hash32_t* g_hashes, // 0
__constant hash32_t const* g_header, // 1
__global hash128_t const* g_dag, // 2
ulong start_nonce, // 3
ulong target, // 4
uint isolate // 5
)
*/
m_search_kernel.setArg(1, m_header);
m_search_kernel.setArg(2, m_dag);
// pass these to stop the compiler unrolling the loops
m_search_kernel.setArg(4, target);
m_search_kernel.setArg(5, ~0u);
unsigned buf = 0;
for (uint64_t start_nonce = 0; ; start_nonce += c_search_batch_size)
{
// supply output buffer to kernel
m_search_kernel.setArg(0, m_search_buf[buf]);
m_search_kernel.setArg(3, start_nonce);
// execute it!
m_queue.enqueueNDRangeKernel(m_search_kernel, cl::NullRange, c_search_batch_size, m_workgroup_size);
pending.push({start_nonce, buf});
buf = (buf + 1) % c_num_buffers;
// read results
if (pending.size() == c_num_buffers)
{
pending_batch const& batch = pending.front();
// could use pinned host pointer instead
uint32_t* results = (uint32_t*)m_queue.enqueueMapBuffer(m_search_buf[batch.buf], true, CL_MAP_READ, 0, (1+c_max_search_results) * sizeof(uint32_t));
unsigned num_found = std::min(results[0], c_max_search_results);
uint64_t nonces[c_max_search_results];
for (unsigned i = 0; i != num_found; ++i)
{
nonces[i] = batch.start_nonce + results[i+1];
}
m_queue.enqueueUnmapMemObject(m_search_buf[batch.buf], results);
bool exit = num_found && hook.found(nonces, num_found);
exit |= hook.searched(batch.start_nonce, c_search_batch_size); // always report searched before exit
if (exit)
break;
pending.pop();
}
}
// not safe to return until this is ready
pre_return_event.wait();
}

0
Godeps/_workspace/src/github.com/ethereum/ethash/libethash-cl/ethash_cl_miner.h → Godeps/_workspace/src/github.com/ethereum/ethash/src/libethash-cl/ethash_cl_miner.h generated vendored
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293
Godeps/_workspace/src/github.com/ethereum/ethash/libethash-cl/ethash_cl_miner.cpp → Godeps/_workspace/src/github.com/ethereum/ethash/src/libethash-cl/ethash_cl_miner_kernel.cl generated vendored
View File

@ -1,39 +1,3 @@
/*
This file is part of c-ethash.
c-ethash is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
c-ethash is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with cpp-ethereum. If not, see <http://www.gnu.org/licenses/>.
*/
/** @file ethash_cl_miner.cpp
* @author Tim Hughes <tim@twistedfury.com>
* @date 2015
*/
#define _CRT_SECURE_NO_WARNINGS
#include <assert.h>
#include <queue>
#include "ethash_cl_miner.h"
#include <libethash/util.h>
#undef min
#undef max
#define HASH_BYTES 32
static char const ethash_inner_code[] = R"(
// author Tim Hughes <tim@twistedfury.com>
// Tested on Radeon HD 7850
// Hashrate: 15940347 hashes/s
@ -495,260 +459,3 @@ __kernel void ethash_search(
g_output[slot] = gid;
}
}
)";
static void add_definition(std::string& source, char const* id, unsigned value)
{
char buf[256];
sprintf(buf, "#define %s %uu\n", id, value);
source.insert(source.begin(), buf, buf + strlen(buf));
}
ethash_cl_miner::ethash_cl_miner()
{
}
bool ethash_cl_miner::init(ethash_params const& params, const uint8_t seed[32], unsigned workgroup_size)
{
// store params
m_params = params;
// get all platforms
std::vector<cl::Platform> platforms;
cl::Platform::get(&platforms);
if (platforms.empty())
{
debugf("No OpenCL platforms found.\n");
return false;
}
// use default platform
debugf("Using platform: %s\n", platforms[0].getInfo<CL_PLATFORM_NAME>().c_str());
// get GPU device of the default platform
std::vector<cl::Device> devices;
platforms[0].getDevices(CL_DEVICE_TYPE_ALL, &devices);
if (devices.empty())
{
debugf("No OpenCL devices found.\n");
return false;
}
// use default device
cl::Device& device = devices[0];
debugf("Using device: %s\n", device.getInfo<CL_DEVICE_NAME>().c_str());
// create context
m_context = cl::Context({device});
m_queue = cl::CommandQueue(m_context, device);
// use requested workgroup size, but we require multiple of 8
m_workgroup_size = ((workgroup_size + 7) / 8) * 8;
// patch source code
std::string code = ethash_inner_code;
add_definition(code, "GROUP_SIZE", m_workgroup_size);
add_definition(code, "DAG_SIZE", (unsigned)(params.full_size / MIX_BYTES));
add_definition(code, "ACCESSES", ACCESSES);
add_definition(code, "MAX_OUTPUTS", c_max_search_results);
//debugf("%s", code.c_str());
// create miner OpenCL program
cl::Program::Sources sources;
sources.push_back({code.c_str(), code.size()});
cl::Program program(m_context, sources);
try
{
program.build({device});
}
catch (cl::Error err)
{
debugf("%s\n", program.getBuildInfo<CL_PROGRAM_BUILD_LOG>(device).c_str());
return false;
}
m_hash_kernel = cl::Kernel(program, "ethash_hash");
m_search_kernel = cl::Kernel(program, "ethash_search");
// create buffer for dag
m_dag = cl::Buffer(m_context, CL_MEM_READ_ONLY, params.full_size);
// create buffer for header
m_header = cl::Buffer(m_context, CL_MEM_READ_ONLY, 32);
// compute dag on CPU
{
void* cache_mem = malloc(params.cache_size + 63);
ethash_cache cache;
cache.mem = (void*)(((uintptr_t)cache_mem + 63) & ~63);
ethash_mkcache(&cache, &params, seed);
// if this throws then it's because we probably need to subdivide the dag uploads for compatibility
void* dag_ptr = m_queue.enqueueMapBuffer(m_dag, true, CL_MAP_WRITE_INVALIDATE_REGION, 0, params.full_size);
ethash_compute_full_data(dag_ptr, &params, &cache);
m_queue.enqueueUnmapMemObject(m_dag, dag_ptr);
free(cache_mem);
}
// create mining buffers
for (unsigned i = 0; i != c_num_buffers; ++i)
{
m_hash_buf[i] = cl::Buffer(m_context, CL_MEM_WRITE_ONLY | CL_MEM_HOST_READ_ONLY, 32*c_hash_batch_size);
m_search_buf[i] = cl::Buffer(m_context, CL_MEM_WRITE_ONLY, (c_max_search_results + 1) * sizeof(uint32_t));
}
return true;
}
void ethash_cl_miner::hash(uint8_t* ret, uint8_t const* header, uint64_t nonce, unsigned count)
{
struct pending_batch
{
unsigned base;
unsigned count;
unsigned buf;
};
std::queue<pending_batch> pending;
// update header constant buffer
m_queue.enqueueWriteBuffer(m_header, true, 0, 32, header);
/*
__kernel void ethash_combined_hash(
__global hash32_t* g_hashes,
__constant hash32_t const* g_header,
__global hash128_t const* g_dag,
ulong start_nonce,
uint isolate
)
*/
m_hash_kernel.setArg(1, m_header);
m_hash_kernel.setArg(2, m_dag);
m_hash_kernel.setArg(3, nonce);
m_hash_kernel.setArg(4, ~0u); // have to pass this to stop the compile unrolling the loop
unsigned buf = 0;
for (unsigned i = 0; i < count || !pending.empty(); )
{
// how many this batch
if (i < count)
{
unsigned const this_count = std::min(count - i, c_hash_batch_size);
unsigned const batch_count = std::max(this_count, m_workgroup_size);
// supply output hash buffer to kernel
m_hash_kernel.setArg(0, m_hash_buf[buf]);
// execute it!
clock_t start_time = clock();
m_queue.enqueueNDRangeKernel(
m_hash_kernel,
cl::NullRange,
cl::NDRange(batch_count),
cl::NDRange(m_workgroup_size)
);
m_queue.flush();
pending.push({i, this_count, buf});
i += this_count;
buf = (buf + 1) % c_num_buffers;
}
// read results
if (i == count || pending.size() == c_num_buffers)
{
pending_batch const& batch = pending.front();
// could use pinned host pointer instead, but this path isn't that important.
uint8_t* hashes = (uint8_t*)m_queue.enqueueMapBuffer(m_hash_buf[batch.buf], true, CL_MAP_READ, 0, batch.count * HASH_BYTES);
memcpy(ret + batch.base*HASH_BYTES, hashes, batch.count*HASH_BYTES);
m_queue.enqueueUnmapMemObject(m_hash_buf[batch.buf], hashes);
pending.pop();
}
}
}
void ethash_cl_miner::search(uint8_t const* header, uint64_t target, search_hook& hook)
{
struct pending_batch
{
uint64_t start_nonce;
unsigned buf;
};
std::queue<pending_batch> pending;
static uint32_t const c_zero = 0;
// update header constant buffer
m_queue.enqueueWriteBuffer(m_header, false, 0, 32, header);
for (unsigned i = 0; i != c_num_buffers; ++i)
{
m_queue.enqueueWriteBuffer(m_search_buf[i], false, 0, 4, &c_zero);
}
cl::Event pre_return_event;
m_queue.enqueueBarrierWithWaitList(NULL, &pre_return_event);
/*
__kernel void ethash_combined_search(
__global hash32_t* g_hashes, // 0
__constant hash32_t const* g_header, // 1
__global hash128_t const* g_dag, // 2
ulong start_nonce, // 3
ulong target, // 4
uint isolate // 5
)
*/
m_search_kernel.setArg(1, m_header);
m_search_kernel.setArg(2, m_dag);
// pass these to stop the compiler unrolling the loops
m_search_kernel.setArg(4, target);
m_search_kernel.setArg(5, ~0u);
unsigned buf = 0;
for (uint64_t start_nonce = 0; ; start_nonce += c_search_batch_size)
{
// supply output buffer to kernel
m_search_kernel.setArg(0, m_search_buf[buf]);
m_search_kernel.setArg(3, start_nonce);
// execute it!
m_queue.enqueueNDRangeKernel(m_search_kernel, cl::NullRange, c_search_batch_size, m_workgroup_size);
pending.push({start_nonce, buf});
buf = (buf + 1) % c_num_buffers;
// read results
if (pending.size() == c_num_buffers)
{
pending_batch const& batch = pending.front();
// could use pinned host pointer instead
uint32_t* results = (uint32_t*)m_queue.enqueueMapBuffer(m_search_buf[batch.buf], true, CL_MAP_READ, 0, (1+c_max_search_results) * sizeof(uint32_t));
unsigned num_found = std::min(results[0], c_max_search_results);
uint64_t nonces[c_max_search_results];
for (unsigned i = 0; i != num_found; ++i)
{
nonces[i] = batch.start_nonce + results[i+1];
}
m_queue.enqueueUnmapMemObject(m_search_buf[batch.buf], results);
bool exit = num_found && hook.found(nonces, num_found);
exit |= hook.searched(batch.start_nonce, c_search_batch_size); // always report searched before exit
if (exit)
break;
pending.pop();
}
}
// not safe to return until this is ready
pre_return_event.wait();
}

8
Godeps/_workspace/src/github.com/ethereum/ethash/libethash/CMakeLists.txt → Godeps/_workspace/src/github.com/ethereum/ethash/src/libethash/CMakeLists.txt generated vendored
View File

@ -1,4 +1,10 @@
set(LIBRARY ethash)
if (CPPETHEREUM)
set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -fPIC")
#else ()
endif ()
set(CMAKE_BUILD_TYPE Release)
if (NOT MSVC)
@ -30,4 +36,4 @@ add_library(${LIBRARY} ${FILES})
if (CRYPTOPP_FOUND)
TARGET_LINK_LIBRARIES(${LIBRARY} ${CRYPTOPP_LIBRARIES})
endif()
endif()

0
Godeps/_workspace/src/github.com/ethereum/ethash/libethash/compiler.h → Godeps/_workspace/src/github.com/ethereum/ethash/src/libethash/compiler.h generated vendored
View File

779
Godeps/_workspace/src/github.com/ethereum/ethash/src/libethash/data_sizes.h generated vendored Normal file
View File

@ -0,0 +1,779 @@
/*
This file is part of cpp-ethereum.
cpp-ethereum is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software FoundationUUU,either version 3 of the LicenseUUU,or
(at your option) any later version.
cpp-ethereum is distributed in the hope that it will be usefulU,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with cpp-ethereum. If notUUU,see <http://www.gnu.org/licenses/>.
*/
/** @file data_sizes.h
* @author Matthew Wampler-Doty <negacthulhu@gmail.com>
* @date 2015
*/
// TODO: Update this after ~3.5 years
#pragma once
#include <stdint.h>
#include "compiler.h"
#ifdef __cplusplus
extern "C" {
#endif
#include <stdint.h>
// 2048 Epochs worth of tabulated DAG sizes
// Generated with the following Mathematica Code:
// GetDataSizes[n_] := Module[{
// DataSetSizeBytesInit = 2^30,
// MixBytes = 128,
// DataSetGrowth = 2^23,
// j = 0},
// Reap[
// While[j < n,
// Module[{i =
// Floor[(DataSetSizeBytesInit + DataSetGrowth * j) / MixBytes]},
// While[! PrimeQ[i], i--];
// Sow[i*MixBytes]; j++]]]][[2]][[1]]
static const size_t dag_sizes[] = {
1073739904U, 1082130304U, 1090514816U, 1098906752U, 1107293056U,
1115684224U, 1124070016U, 1132461952U, 1140849536U, 1149232768U,
1157627776U, 1166013824U, 1174404736U, 1182786944U, 1191180416U,
1199568512U, 1207958912U, 1216345216U, 1224732032U, 1233124736U,
1241513344U, 1249902464U, 1258290304U, 1266673792U, 1275067264U,
1283453312U, 1291844992U, 1300234112U, 1308619904U, 1317010048U,
1325397376U, 1333787776U, 1342176128U, 1350561664U, 1358954368U,
1367339392U, 1375731584U, 1384118144U, 1392507008U, 1400897408U,
1409284736U, 1417673344U, 1426062464U, 1434451072U, 1442839168U,
1451229056U, 1459615616U, 1468006016U, 1476394112U, 1484782976U,
1493171584U, 1501559168U, 1509948032U, 1518337664U, 1526726528U,
1535114624U, 1543503488U, 1551892096U, 1560278656U, 1568669056U,
1577056384U, 1585446272U, 1593831296U, 1602219392U, 1610610304U,
1619000192U, 1627386752U, 1635773824U, 1644164224U, 1652555648U,
1660943488U, 1669332608U, 1677721216U, 1686109312U, 1694497664U,
1702886272U, 1711274624U, 1719661184U, 1728047744U, 1736434816U,
1744829056U, 1753218944U, 1761606272U, 1769995904U, 1778382464U,
1786772864U, 1795157888U, 1803550592U, 1811937664U, 1820327552U,
1828711552U, 1837102976U, 1845488768U, 1853879936U, 1862269312U,
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11853100928U, 11861486464U, 11869879936U, 11878268032U, 11886656896U,
11895044992U, 11903433088U, 11911822976U, 11920210816U, 11928600448U,
11936987264U, 11945375872U, 11953761152U, 11962151296U, 11970543488U,
11978928512U, 11987320448U, 11995708288U, 12004095104U, 12012486272U,
12020875136U, 12029255552U, 12037652096U, 12046039168U, 12054429568U,
12062813824U, 12071206528U, 12079594624U, 12087983744U, 12096371072U,
12104759936U, 12113147264U, 12121534592U, 12129924992U, 12138314624U,
12146703232U, 12155091584U, 12163481216U, 12171864704U, 12180255872U,
12188643968U, 12197034112U, 12205424512U, 12213811328U, 12222199424U,
12230590336U, 12238977664U, 12247365248U, 12255755392U, 12264143488U,
12272531584U, 12280920448U, 12289309568U, 12297694592U, 12306086528U,
12314475392U, 12322865024U, 12331253632U, 12339640448U, 12348029312U,
12356418944U, 12364805248U, 12373196672U, 12381580928U, 12389969024U,
12398357632U, 12406750592U, 12415138432U, 12423527552U, 12431916416U,
12440304512U, 12448692352U, 12457081216U, 12465467776U, 12473859968U,
12482245504U, 12490636672U, 12499025536U, 12507411584U, 12515801728U,
12524190592U, 12532577152U, 12540966272U, 12549354368U, 12557743232U,
12566129536U, 12574523264U, 12582911872U, 12591299456U, 12599688064U,
12608074624U, 12616463488U, 12624845696U, 12633239936U, 12641631616U,
12650019968U, 12658407296U, 12666795136U, 12675183232U, 12683574656U,
12691960192U, 12700350592U, 12708740224U, 12717128576U, 12725515904U,
12733906816U, 12742295168U, 12750680192U, 12759071872U, 12767460736U,
12775848832U, 12784236928U, 12792626816U, 12801014656U, 12809404288U,
12817789312U, 12826181504U, 12834568832U, 12842954624U, 12851345792U,
12859732352U, 12868122496U, 12876512128U, 12884901248U, 12893289088U,
12901672832U, 12910067584U, 12918455168U, 12926842496U, 12935232896U,
12943620736U, 12952009856U, 12960396928U, 12968786816U, 12977176192U,
12985563776U, 12993951104U, 13002341504U, 13010730368U, 13019115392U,
13027506304U, 13035895168U, 13044272512U, 13052673152U, 13061062528U,
13069446272U, 13077838976U, 13086227072U, 13094613632U, 13103000192U,
13111393664U, 13119782528U, 13128157568U, 13136559232U, 13144945024U,
13153329536U, 13161724288U, 13170111872U, 13178502784U, 13186884736U,
13195279744U, 13203667072U, 13212057472U, 13220445824U, 13228832128U,
13237221248U, 13245610624U, 13254000512U, 13262388352U, 13270777472U,
13279166336U, 13287553408U, 13295943296U, 13304331904U, 13312719488U,
13321108096U, 13329494656U, 13337885824U, 13346274944U, 13354663808U,
13363051136U, 13371439232U, 13379825024U, 13388210816U, 13396605056U,
13404995456U, 13413380224U, 13421771392U, 13430159744U, 13438546048U,
13446937216U, 13455326848U, 13463708288U, 13472103808U, 13480492672U,
13488875648U, 13497269888U, 13505657728U, 13514045312U, 13522435712U,
13530824576U, 13539210112U, 13547599232U, 13555989376U, 13564379008U,
13572766336U, 13581154432U, 13589544832U, 13597932928U, 13606320512U,
13614710656U, 13623097472U, 13631477632U, 13639874944U, 13648264064U,
13656652928U, 13665041792U, 13673430656U, 13681818496U, 13690207616U,
13698595712U, 13706982272U, 13715373184U, 13723762048U, 13732150144U,
13740536704U, 13748926592U, 13757316224U, 13765700992U, 13774090112U,
13782477952U, 13790869376U, 13799259008U, 13807647872U, 13816036736U,
13824425344U, 13832814208U, 13841202304U, 13849591424U, 13857978752U,
13866368896U, 13874754688U, 13883145344U, 13891533184U, 13899919232U,
13908311168U, 13916692096U, 13925085056U, 13933473152U, 13941866368U,
13950253696U, 13958643584U, 13967032192U, 13975417216U, 13983807616U,
13992197504U, 14000582272U, 14008973696U, 14017363072U, 14025752192U,
14034137984U, 14042528384U, 14050918016U, 14059301504U, 14067691648U,
14076083584U, 14084470144U, 14092852352U, 14101249664U, 14109635968U,
14118024832U, 14126407552U, 14134804352U, 14143188608U, 14151577984U,
14159968384U, 14168357248U, 14176741504U, 14185127296U, 14193521024U,
14201911424U, 14210301824U, 14218685056U, 14227067264U, 14235467392U,
14243855488U, 14252243072U, 14260630144U, 14269021568U, 14277409408U,
14285799296U, 14294187904U, 14302571392U, 14310961792U, 14319353728U,
14327738752U, 14336130944U, 14344518784U, 14352906368U, 14361296512U,
14369685376U, 14378071424U, 14386462592U, 14394848128U, 14403230848U,
14411627392U, 14420013952U, 14428402304U, 14436793472U, 14445181568U,
14453569664U, 14461959808U, 14470347904U, 14478737024U, 14487122816U,
14495511424U, 14503901824U, 14512291712U, 14520677504U, 14529064832U,
14537456768U, 14545845632U, 14554234496U, 14562618496U, 14571011456U,
14579398784U, 14587789184U, 14596172672U, 14604564608U, 14612953984U,
14621341312U, 14629724288U, 14638120832U, 14646503296U, 14654897536U,
14663284864U, 14671675264U, 14680061056U, 14688447616U, 14696835968U,
14705228416U, 14713616768U, 14722003328U, 14730392192U, 14738784128U,
14747172736U, 14755561088U, 14763947648U, 14772336512U, 14780725376U,
14789110144U, 14797499776U, 14805892736U, 14814276992U, 14822670208U,
14831056256U, 14839444352U, 14847836032U, 14856222848U, 14864612992U,
14872997504U, 14881388672U, 14889775744U, 14898165376U, 14906553472U,
14914944896U, 14923329664U, 14931721856U, 14940109696U, 14948497024U,
14956887424U, 14965276544U, 14973663616U, 14982053248U, 14990439808U,
14998830976U, 15007216768U, 15015605888U, 15023995264U, 15032385152U,
15040768384U, 15049154944U, 15057549184U, 15065939072U, 15074328448U,
15082715008U, 15091104128U, 15099493504U, 15107879296U, 15116269184U,
15124659584U, 15133042304U, 15141431936U, 15149824384U, 15158214272U,
15166602368U, 15174991232U, 15183378304U, 15191760512U, 15200154496U,
15208542592U, 15216931712U, 15225323392U, 15233708416U, 15242098048U,
15250489216U, 15258875264U, 15267265408U, 15275654528U, 15284043136U,
15292431488U, 15300819584U, 15309208192U, 15317596544U, 15325986176U,
15334374784U, 15342763648U, 15351151744U, 15359540608U, 15367929728U,
15376318336U, 15384706432U, 15393092992U, 15401481856U, 15409869952U,
15418258816U, 15426649984U, 15435037568U, 15443425664U, 15451815296U,
15460203392U, 15468589184U, 15476979328U, 15485369216U, 15493755776U,
15502146944U, 15510534272U, 15518924416U, 15527311232U, 15535699072U,
15544089472U, 15552478336U, 15560866688U, 15569254528U, 15577642624U,
15586031488U, 15594419072U, 15602809472U, 15611199104U, 15619586432U,
15627975296U, 15636364928U, 15644753792U, 15653141888U, 15661529216U,
15669918848U, 15678305152U, 15686696576U, 15695083136U, 15703474048U,
15711861632U, 15720251264U, 15728636288U, 15737027456U, 15745417088U,
15753804928U, 15762194048U, 15770582656U, 15778971008U, 15787358336U,
15795747712U, 15804132224U, 15812523392U, 15820909696U, 15829300096U,
15837691264U, 15846071936U, 15854466944U, 15862855808U, 15871244672U,
15879634816U, 15888020608U, 15896409728U, 15904799104U, 15913185152U,
15921577088U, 15929966464U, 15938354816U, 15946743424U, 15955129472U,
15963519872U, 15971907968U, 15980296064U, 15988684928U, 15997073024U,
16005460864U, 16013851264U, 16022241152U, 16030629248U, 16039012736U,
16047406976U, 16055794816U, 16064181376U, 16072571264U, 16080957824U,
16089346688U, 16097737856U, 16106125184U, 16114514816U, 16122904192U,
16131292544U, 16139678848U, 16148066944U, 16156453504U, 16164839552U,
16173236096U, 16181623424U, 16190012032U, 16198401152U, 16206790528U,
16215177344U, 16223567744U, 16231956352U, 16240344704U, 16248731008U,
16257117824U, 16265504384U, 16273898624U, 16282281856U, 16290668672U,
16299064192U, 16307449216U, 16315842176U, 16324230016U, 16332613504U,
16341006464U, 16349394304U, 16357783168U, 16366172288U, 16374561664U,
16382951296U, 16391337856U, 16399726208U, 16408116352U, 16416505472U,
16424892032U, 16433282176U, 16441668224U, 16450058624U, 16458448768U,
16466836864U, 16475224448U, 16483613056U, 16492001408U, 16500391808U,
16508779648U, 16517166976U, 16525555328U, 16533944192U, 16542330752U,
16550719616U, 16559110528U, 16567497088U, 16575888512U, 16584274816U,
16592665472U, 16601051008U, 16609442944U, 16617832064U, 16626218624U,
16634607488U, 16642996096U, 16651385728U, 16659773824U, 16668163712U,
16676552576U, 16684938112U, 16693328768U, 16701718144U, 16710095488U,
16718492288U, 16726883968U, 16735272832U, 16743661184U, 16752049792U,
16760436608U, 16768827008U, 16777214336U, 16785599104U, 16793992832U,
16802381696U, 16810768768U, 16819151744U, 16827542656U, 16835934848U,
16844323712U, 16852711552U, 16861101952U, 16869489536U, 16877876864U,
16886265728U, 16894653056U, 16903044736U, 16911431296U, 16919821696U,
16928207488U, 16936592768U, 16944987776U, 16953375616U, 16961763968U,
16970152832U, 16978540928U, 16986929536U, 16995319168U, 17003704448U,
17012096896U, 17020481152U, 17028870784U, 17037262208U, 17045649536U,
17054039936U, 17062426496U, 17070814336U, 17079205504U, 17087592064U,
17095978112U, 17104369024U, 17112759424U, 17121147776U, 17129536384U,
17137926016U, 17146314368U, 17154700928U, 17163089792U, 17171480192U,
17179864192U, 17188256896U, 17196644992U, 17205033856U, 17213423488U,
17221811072U, 17230198912U, 17238588032U, 17246976896U, 17255360384U,
17263754624U, 17272143232U, 17280530048U, 17288918912U, 17297309312U,
17305696384U, 17314085504U, 17322475136U, 17330863744U, 17339252096U,
17347640192U, 17356026496U, 17364413824U, 17372796544U, 17381190016U,
17389583488U, 17397972608U, 17406360704U, 17414748544U, 17423135872U,
17431527296U, 17439915904U, 17448303232U, 17456691584U, 17465081728U,
17473468288U, 17481857408U, 17490247552U, 17498635904U, 17507022464U,
17515409024U, 17523801728U, 17532189824U, 17540577664U, 17548966016U,
17557353344U, 17565741184U, 17574131584U, 17582519168U, 17590907008U,
17599296128U, 17607687808U, 17616076672U, 17624455808U, 17632852352U,
17641238656U, 17649630848U, 17658018944U, 17666403968U, 17674794112U,
17683178368U, 17691573376U, 17699962496U, 17708350592U, 17716739968U,
17725126528U, 17733517184U, 17741898112U, 17750293888U, 17758673024U,
17767070336U, 17775458432U, 17783848832U, 17792236928U, 17800625536U,
17809012352U, 17817402752U, 17825785984U, 17834178944U, 17842563968U,
17850955648U, 17859344512U, 17867732864U, 17876119424U, 17884511872U,
17892900224U, 17901287296U, 17909677696U, 17918058112U, 17926451072U,
17934843776U, 17943230848U, 17951609216U, 17960008576U, 17968397696U,
17976784256U, 17985175424U, 17993564032U, 18001952128U, 18010339712U,
18018728576U, 18027116672U, 18035503232U, 18043894144U, 18052283264U,
18060672128U, 18069056384U, 18077449856U, 18085837184U, 18094225792U,
18102613376U, 18111004544U, 18119388544U, 18127781248U, 18136170368U,
18144558976U, 18152947328U, 18161336192U, 18169724288U, 18178108544U,
18186498944U, 18194886784U, 18203275648U, 18211666048U, 18220048768U,
18228444544U, 18236833408U, 18245220736U
};
// Generated with the following Mathematica Code:
// GetCacheSizes[n_] := Module[{
// DataSetSizeBytesInit = 2^30,
// MixBytes = 128,
// DataSetGrowth = 2^23,
// HashBytes = 64,
// CacheMultiplier = 1024,
// j = 0},
// Reap[
// While[j < n,
// Module[{i = Floor[(DataSetSizeBytesInit + DataSetGrowth * j) / (CacheMultiplier * HashBytes)]},
// While[! PrimeQ[i], i--];
// Sow[i*HashBytes]; j++]]]][[2]][[1]]
const size_t cache_sizes[] = {
1048384U, 1055552U, 1064512U, 1072832U, 1080896U, 1089344U, 1096768U,
1104448U, 1113664U, 1121216U, 1130176U, 1138624U, 1146304U, 1155008U,
1162816U, 1171264U, 1179328U, 1187392U, 1195456U, 1203392U, 1210816U,
1220416U, 1227712U, 1236416U, 1244608U, 1253312U, 1261376U, 1268416U,
1277632U, 1285696U, 1294016U, 1302208U, 1310656U, 1318336U, 1326784U,
1334848U, 1342912U, 1350848U, 1359808U, 1366208U, 1376192U, 1383488U,
1392448U, 1400384U, 1408832U, 1416512U, 1425344U, 1433408U, 1440704U,
1449664U, 1458112U, 1466048U, 1474496U, 1482688U, 1490752U, 1498688U,
1507136U, 1515328U, 1523264U, 1531456U, 1539904U, 1547584U, 1556288U,
1564352U, 1572544U, 1580608U, 1588544U, 1596992U, 1605568U, 1612096U,
1621952U, 1630144U, 1637696U, 1645888U, 1654336U, 1662784U, 1671104U,
1679168U, 1686848U, 1695296U, 1702208U, 1711168U, 1720256U, 1727552U,
1736128U, 1744576U, 1751488U, 1760576U, 1769408U, 1777472U, 1785664U,
1793984U, 1801664U, 1810112U, 1818304U, 1826624U, 1834816U, 1842752U,
1851328U, 1858112U, 1867456U, 1875904U, 1883968U, 1892288U, 1899712U,
1908416U, 1916608U, 1924544U, 1932992U, 1940672U, 1948736U, 1956928U,
1965632U, 1973824U, 1982144U, 1989824U, 1998784U, 2006848U, 2014784U,
2022848U, 2031424U, 2038976U, 2047424U, 2055616U, 2064064U, 2072384U,
2080448U, 2088512U, 2095936U, 2104768U, 2113472U, 2121664U, 2127808U,
2137792U, 2146112U, 2153408U, 2162624U, 2170304U, 2178496U, 2186944U,
2195392U, 2203456U, 2211136U, 2219968U, 2227648U, 2236096U, 2244416U,
2250944U, 2260928U, 2268736U, 2276672U, 2283328U, 2293696U, 2301632U,
2309312U, 2317888U, 2325952U, 2334656U, 2342848U, 2350144U, 2358848U,
2366656U, 2375488U, 2383552U, 2391616U, 2400064U, 2407616U, 2415808U,
2424256U, 2432704U, 2439616U, 2448704U, 2457152U, 2464064U, 2473792U,
2482112U, 2489792U, 2497472U, 2506432U, 2514752U, 2522816U, 2531264U,
2539456U, 2547136U, 2555456U, 2564032U, 2572096U, 2578496U, 2587712U,
2595776U, 2604736U, 2613056U, 2620736U, 2629184U, 2637632U, 2645824U,
2653888U, 2662208U, 2670016U, 2678464U, 2686912U, 2694464U, 2703296U,
2710976U, 2719424U, 2727104U, 2736064U, 2743232U, 2752192U, 2760512U,
2768704U, 2777024U, 2785088U, 2792512U, 2800576U, 2809024U, 2817856U,
2826176U, 2833984U, 2840896U, 2850752U, 2858048U, 2867008U, 2875328U,
2883392U, 2891584U, 2899648U, 2908096U, 2915648U, 2924224U, 2932672U,
2940736U, 2948672U, 2956736U, 2964928U, 2973248U, 2981824U, 2988992U,
2997184U, 3005248U, 3013952U, 3022144U, 3030592U, 3037376U, 3046976U,
3055552U, 3063616U, 3070784U, 3079744U, 3087808U, 3096512U, 3103808U,
3111872U, 3121088U, 3128896U, 3137216U, 3144896U, 3153856U, 3161152U,
3169984U, 3178432U, 3186496U, 3194816U, 3203008U, 3210176U, 3218624U,
3227072U, 3235264U, 3243712U, 3250496U, 3259456U, 3268544U, 3276736U,
3283648U, 3292736U, 3301184U, 3308224U, 3317696U, 3324736U, 3333184U,
3342272U, 3348544U, 3357248U, 3365312U, 3374912U, 3383104U, 3390784U,
3399488U, 3407296U, 3414976U, 3424192U, 3432256U, 3440576U, 3448768U,
3456832U, 3464896U, 3473216U, 3480128U, 3489344U, 3497408U, 3505856U,
3514048U, 3521344U, 3530432U, 3538624U, 3546304U, 3555008U, 3563072U,
3571648U, 3579712U, 3587392U, 3595456U, 3603904U, 3612352U, 3620416U,
3628864U, 3636928U, 3645248U, 3652928U, 3660992U, 3669184U, 3677888U,
3685952U, 3694528U, 3702592U, 3710528U, 3719104U, 3727168U, 3735488U,
3742784U, 3751232U, 3759424U, 3765184U, 3775808U, 3783872U, 3792832U,
3800768U, 3808832U, 3816256U, 3825344U, 3832768U, 3841856U, 3849536U,
3857344U, 3866432U, 3874496U, 3882304U, 3890752U, 3899072U, 3907264U,
3914816U, 3923008U, 3930688U, 3939904U, 3947968U, 3956416U, 3964736U,
3972544U, 3981248U, 3988928U, 3997376U, 4005824U, 4012864U, 4020928U,
4030144U, 4038592U, 4045504U, 4054592U, 4063168U, 4071104U, 4079552U,
4087232U, 4095808U, 4103872U, 4111168U, 4120384U, 4127936U, 4136512U,
4144832U, 4153024U, 4160704U, 4169408U, 4177216U, 4186048U, 4193344U,
4202048U, 4210496U, 4217536U, 4227008U, 4235072U, 4243264U, 4251584U,
4259392U, 4267712U, 4275776U, 4284352U, 4291904U, 4300096U, 4307648U,
4316992U, 4325056U, 4333376U, 4341056U, 4349888U, 4357568U, 4366016U,
4374464U, 4382528U, 4390208U, 4398656U, 4407232U, 4413632U, 4423616U,
4431808U, 4439744U, 4447936U, 4455872U, 4463296U, 4472128U, 4480576U,
4489024U, 4497344U, 4505152U, 4512448U, 4520896U, 4530112U, 4537664U,
4546496U, 4554688U, 4562752U, 4570816U, 4579264U, 4586944U, 4595648U,
4603712U, 4611392U, 4619072U, 4628032U, 4635584U, 4643776U, 4652864U,
4660672U, 4669376U, 4677056U, 4684096U, 4693184U, 4702144U, 4710208U,
4718528U, 4726336U, 4734272U, 4742464U, 4750784U, 4759232U, 4767296U,
4775872U, 4783808U, 4791872U, 4797376U, 4808512U, 4816192U, 4825024U,
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16818112U, 16826176U, 16833472U, 16842688U, 16850752U, 16859072U, 16866368U,
16875328U, 16883392U, 16891712U, 16899776U, 16907456U, 16915264U, 16924352U,
16931776U, 16940608U, 16949056U, 16957376U, 16965056U, 16973248U, 16981696U,
16990144U, 16997056U, 17005888U, 17014208U, 17021504U, 17031104U, 17039296U,
17046976U, 17055424U, 17062592U, 17070016U, 17079488U, 17087936U, 17096512U,
17104576U, 17113024U, 17121088U, 17129408U, 17136832U, 17145664U, 17152832U,
17161792U, 17170112U, 17177792U, 17186368U, 17194304U, 17202496U, 17211328U,
17218624U, 17227712U, 17233984U, 17243584U, 17251904U, 17259712U, 17266624U,
17276608U, 17284672U, 17292224U, 17301056U, 17309632U, 17317568U, 17326016U,
17333824U, 17342272U, 17350208U, 17358784U, 17366848U, 17374912U, 17382592U,
17390656U, 17399488U, 17406784U, 17413952U, 17423936U, 17432512U, 17440448U,
17447744U, 17456704U, 17464768U, 17472064U, 17481536U, 17489344U, 17495488U,
17505728U, 17513792U, 17522368U, 17530816U, 17538112U, 17546944U, 17555264U,
17563072U, 17569856U, 17579456U, 17587904U, 17596352U, 17603776U, 17611712U,
17620672U, 17628992U, 17637184U, 17645504U, 17653568U, 17661632U, 17669824U,
17677376U, 17686208U, 17693888U, 17702336U, 17710144U, 17718208U, 17726528U,
17734336U, 17743808U, 17751872U, 17759936U, 17766592U, 17776448U, 17784512U,
17791936U, 17801152U, 17809216U, 17817152U
};
#ifdef __cplusplus
}
#endif

0
Godeps/_workspace/src/github.com/ethereum/ethash/libethash/endian.h → Godeps/_workspace/src/github.com/ethereum/ethash/src/libethash/endian.h generated vendored
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19
Godeps/_workspace/src/github.com/ethereum/ethash/libethash/ethash.h → Godeps/_workspace/src/github.com/ethereum/ethash/src/libethash/ethash.h generated vendored
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@ -14,6 +14,7 @@
You should have received a copy of the GNU General Public License
along with cpp-ethereum. If not, see <http://www.gnu.org/licenses/>.
*/
/** @file ethash.h
* @date 2015
*/
@ -25,9 +26,10 @@
#include <stddef.h>
#include "compiler.h"
#define REVISION 18
#define DAGSIZE_BYTES_INIT 1073741824U
#define DAG_GROWTH 113000000U
#define REVISION 20
#define DAGSIZE_BYTES_INIT 1073741824U // 2**30
#define DAG_GROWTH 8388608U // 2**23
#define CACHE_MULTIPLIER 1024
#define EPOCH_LENGTH 30000U
#define MIX_BYTES 128
#define DAG_PARENTS 256
@ -48,8 +50,8 @@ typedef struct ethash_return_value {
uint8_t mix_hash[32];
} ethash_return_value;
size_t const ethash_get_datasize(const uint32_t block_number);
size_t const ethash_get_cachesize(const uint32_t block_number);
size_t ethash_get_datasize(const uint32_t block_number);
size_t ethash_get_cachesize(const uint32_t block_number);
// initialize the parameters
static inline void ethash_params_init(ethash_params *params, const uint32_t block_number) {
@ -58,7 +60,7 @@ static inline void ethash_params_init(ethash_params *params, const uint32_t bloc
}
typedef struct ethash_cache {
void *mem;
void *mem;
} ethash_cache;
void ethash_mkcache(ethash_cache *cache, ethash_params const *params, const uint8_t seed[32]);
@ -66,6 +68,11 @@ void ethash_compute_full_data(void *mem, ethash_params const *params, ethash_cac
void ethash_full(ethash_return_value *ret, void const *full_mem, ethash_params const *params, const uint8_t header_hash[32], const uint64_t nonce);
void ethash_light(ethash_return_value *ret, ethash_cache const *cache, ethash_params const *params, const uint8_t header_hash[32], const uint64_t nonce);
static inline void ethash_prep_light(void *cache, ethash_params const *params, const uint8_t seed[32]) { ethash_cache c; c.mem = cache; ethash_mkcache(&c, params, seed); }
static inline void ethash_compute_light(ethash_return_value *ret, void const *cache, ethash_params const *params, const uint8_t header_hash[32], const uint64_t nonce) { ethash_cache c; c.mem = (void*)cache; ethash_light(ret, &c, params, header_hash, nonce); }
static inline void ethash_prep_full(void *full, ethash_params const *params, void const *cache) { ethash_cache c; c.mem = (void*)cache; ethash_compute_full_data(full, params, &c); }
static inline void ethash_compute_full(ethash_return_value *ret, void const *full, ethash_params const *params, const uint8_t header_hash[32], const uint64_t nonce) { ethash_full(ret, full, params, header_hash, nonce); }
static inline int ethash_check_difficulty(
const uint8_t hash[32],
const uint8_t difficulty[32]) {

0
Godeps/_workspace/src/github.com/ethereum/ethash/libethash/fnv.h → Godeps/_workspace/src/github.com/ethereum/ethash/src/libethash/fnv.h generated vendored
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7
Godeps/_workspace/src/github.com/ethereum/ethash/libethash/internal.c → Godeps/_workspace/src/github.com/ethereum/ethash/src/libethash/internal.c generated vendored
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@ -31,18 +31,18 @@
#ifdef WITH_CRYPTOPP
#include "SHA3_cryptopp.h"
#include "sha3_cryptopp.h"
#else
#include "sha3.h"
#endif // WITH_CRYPTOPP
size_t const ethash_get_datasize(const uint32_t block_number) {
size_t ethash_get_datasize(const uint32_t block_number) {
assert(block_number / EPOCH_LENGTH < 500);
return dag_sizes[block_number / EPOCH_LENGTH];
}
size_t const ethash_get_cachesize(const uint32_t block_number) {
size_t ethash_get_cachesize(const uint32_t block_number) {
assert(block_number / EPOCH_LENGTH < 500);
return cache_sizes[block_number / EPOCH_LENGTH];
}
@ -283,6 +283,7 @@ int ethash_quick_check_difficulty(
const uint64_t nonce,
const uint8_t mix_hash[32],
const uint8_t difficulty[32]) {
uint8_t return_hash[32];
ethash_quick_hash(return_hash, header_hash, nonce, mix_hash);
return ethash_check_difficulty(return_hash, difficulty);

0
Godeps/_workspace/src/github.com/ethereum/ethash/libethash/internal.h → Godeps/_workspace/src/github.com/ethereum/ethash/src/libethash/internal.h generated vendored
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0
Godeps/_workspace/src/github.com/ethereum/ethash/libethash/sha3.c → Godeps/_workspace/src/github.com/ethereum/ethash/src/libethash/sha3.c generated vendored
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0
Godeps/_workspace/src/github.com/ethereum/ethash/libethash/sha3.h → Godeps/_workspace/src/github.com/ethereum/ethash/src/libethash/sha3.h generated vendored
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0
Godeps/_workspace/src/github.com/ethereum/ethash/libethash/sha3_cryptopp.cpp → Godeps/_workspace/src/github.com/ethereum/ethash/src/libethash/sha3_cryptopp.cpp generated vendored
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0
Godeps/_workspace/src/github.com/ethereum/ethash/libethash/sha3_cryptopp.h → Godeps/_workspace/src/github.com/ethereum/ethash/src/libethash/sha3_cryptopp.h generated vendored
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0
Godeps/_workspace/src/github.com/ethereum/ethash/libethash/util.c → Godeps/_workspace/src/github.com/ethereum/ethash/src/libethash/util.c generated vendored
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0
Godeps/_workspace/src/github.com/ethereum/ethash/libethash/util.h → Godeps/_workspace/src/github.com/ethereum/ethash/src/libethash/util.h generated vendored
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64
Godeps/_workspace/src/github.com/ethereum/ethash/src/python/core.c generated vendored Normal file
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@ -0,0 +1,64 @@
#include <Python.h>
#include <alloca.h>
#include <stdint.h>
#include "../libethash/ethash.h"
static PyObject*
get_cache_size(PyObject* self, PyObject* args)
{
unsigned long block_number;
if (!PyArg_ParseTuple(args, "k", &block_number))
return 0;
return Py_BuildValue("i", ethash_get_cachesize(block_number));
}
static PyObject*
get_full_size(PyObject* self, PyObject* args)
{
unsigned long block_number;
if (!PyArg_ParseTuple(args, "k", &block_number))
return 0;
return Py_BuildValue("i", ethash_get_datasize(block_number));
}
static PyObject*
mkcache(PyObject* self, PyObject* args)
{
char * seed;
unsigned long cache_size;
int seed_len;
if (!PyArg_ParseTuple(args, "ks#", &cache_size, &seed, &seed_len))
return 0;
if (seed_len != 32)
{
PyErr_SetString(PyExc_ValueError,
"Seed must be 32 bytes long");
return 0;
}
printf("cache size: %lu\n", cache_size);
ethash_params params;
params.cache_size = (size_t) cache_size;
ethash_cache cache;
cache.mem = alloca(cache_size);
ethash_mkcache(&cache, &params, (uint8_t *) seed);
return PyString_FromStringAndSize(cache.mem, cache_size);
}
static PyMethodDef CoreMethods[] =
{
{"get_cache_size", get_cache_size, METH_VARARGS, "Get the cache size for a given block number"},
{"get_full_size", get_full_size, METH_VARARGS, "Get the full size for a given block number"},
{"mkcache", mkcache, METH_VARARGS, "Makes the cache for given parameters and seed hash"},
{NULL, NULL, 0, NULL}
};
PyMODINIT_FUNC
initcore(void)
{
(void) Py_InitModule("core", CoreMethods);
}

2
Godeps/_workspace/src/github.com/ethereum/ethash/test/CMakeLists.txt → Godeps/_workspace/src/github.com/ethereum/ethash/test/c/CMakeLists.txt generated vendored
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@ -4,7 +4,7 @@ ENDIF()
IF( Boost_FOUND )
include_directories( ${Boost_INCLUDE_DIR} )
include_directories(..)
include_directories(../../src)
link_directories ( ${Boost_LIBRARY_DIRS} )
file(GLOB HEADERS "*.h")

19
Godeps/_workspace/src/github.com/ethereum/ethash/test/test.cpp → Godeps/_workspace/src/github.com/ethereum/ethash/test/c/test.cpp generated vendored
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@ -13,7 +13,6 @@
#define BOOST_TEST_MAIN
#include <boost/test/unit_test.hpp>
#include <libethash/ethash.h>
#include <iostream>
std::string bytesToHexString(const uint8_t *str, const size_t s) {
@ -90,24 +89,6 @@ BOOST_AUTO_TEST_CASE(ethash_params_init_genesis_calcifide_check) {
<< "actual: " << params.cache_size << "\n");
}
BOOST_AUTO_TEST_CASE(ethash_params_init_check) {
ethash_params params;
ethash_params_init(&params, 1971000);
const uint64_t nine_month_size = (uint64_t) 8*DAGSIZE_BYTES_INIT;
BOOST_REQUIRE_MESSAGE(params.full_size < nine_month_size,
"\nfull size: " << params.full_size << "\n"
<< "should be less than or equal to: " << nine_month_size << "\n");
BOOST_REQUIRE_MESSAGE(params.full_size + DAGSIZE_BYTES_INIT / 4 > nine_month_size,
"\nfull size + DAGSIZE_BYTES_INIT / 4: " << params.full_size + DAGSIZE_BYTES_INIT / 4 << "\n"
<< "should be greater than or equal to: " << nine_month_size << "\n");
BOOST_REQUIRE_MESSAGE(params.cache_size < nine_month_size / 1024,
"\nactual cache size: " << params.cache_size << "\n"
<< "expected: " << nine_month_size / 1024 << "\n");
BOOST_REQUIRE_MESSAGE(params.cache_size + DAGSIZE_BYTES_INIT / 4 / 1024 > nine_month_size / 1024 ,
"\ncache size + DAGSIZE_BYTES_INIT / 4 / 1024: " << params.cache_size + DAGSIZE_BYTES_INIT / 4 / 1024 << "\n"
<< "actual: " << nine_month_size / 32 << "\n");
}
BOOST_AUTO_TEST_CASE(light_and_full_client_checks) {
ethash_params params;
uint8_t seed[32], hash[32];

19
Godeps/_workspace/src/github.com/ethereum/ethash/test/c/test.sh generated vendored Normal file
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@ -0,0 +1,19 @@
#!/bin/bash
# Strict mode
set -e
SOURCE="${BASH_SOURCE[0]}"
while [ -h "$SOURCE" ]; do
DIR="$( cd -P "$( dirname "$SOURCE" )" && pwd )"
SOURCE="$(readlink "$SOURCE")"
[[ $SOURCE != /* ]] && SOURCE="$DIR/$SOURCE"
done
TEST_DIR="$( cd -P "$( dirname "$SOURCE" )" && pwd )"
rm -rf $TEST_DIR/build
mkdir -p $TEST_DIR/build
cd $TEST_DIR/build ;
cmake ../../.. > /dev/null
make Test
./test/c/Test

54
Godeps/_workspace/src/github.com/ethereum/ethash/test/go/ethash_test.go generated vendored
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@ -1,54 +0,0 @@
package ethashTest
import (
"bytes"
"crypto/rand"
"log"
"math/big"
"testing"
"github.com/ethereum/ethash"
"github.com/ethereum/go-ethereum/core"
"github.com/ethereum/go-ethereum/ethdb"
)
func TestEthash(t *testing.T) {
seedHash := make([]byte, 32)
_, err := rand.Read(seedHash)
if err != nil {
panic(err)
}
db, err := ethdb.NewMemDatabase()
if err != nil {
panic(err)
}
blockProcessor, err := core.NewCanonical(5, db)
if err != nil {
panic(err)
}
log.Println("Block Number: ", blockProcessor.ChainManager().CurrentBlock().Number())
e := ethash.New(blockProcessor.ChainManager())
miningHash := make([]byte, 32)
if _, err := rand.Read(miningHash); err != nil {
panic(err)
}
diff := big.NewInt(10000)
log.Println("difficulty", diff)
nonce := uint64(0)
ghash_full := e.FullHash(nonce, miningHash)
log.Printf("ethash full (on nonce): %x %x\n", ghash_full, nonce)
ghash_light := e.LightHash(nonce, miningHash)
log.Printf("ethash light (on nonce): %x %x\n", ghash_light, nonce)
if bytes.Compare(ghash_full, ghash_light) != 0 {
t.Errorf("full: %x, light: %x", ghash_full, ghash_light)
}
}

1
Godeps/_workspace/src/github.com/ethereum/ethash/test/python/.gitignore generated vendored Normal file
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@ -0,0 +1 @@
python-virtual-env/

2
Godeps/_workspace/src/github.com/ethereum/ethash/test/python/requirements.txt generated vendored Normal file
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@ -0,0 +1,2 @@
pyethereum==0.7.522
nose==1.3.4

19
Godeps/_workspace/src/github.com/ethereum/ethash/test/python/test.sh generated vendored Normal file
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@ -0,0 +1,19 @@
#!/bin/bash
# Strict mode
set -e
SOURCE="${BASH_SOURCE[0]}"
while [ -h "$SOURCE" ]; do
DIR="$( cd -P "$( dirname "$SOURCE" )" && pwd )"
SOURCE="$(readlink "$SOURCE")"
[[ $SOURCE != /* ]] && SOURCE="$DIR/$SOURCE"
done
TEST_DIR="$( cd -P "$( dirname "$SOURCE" )" && pwd )"
[ -d $TEST_DIR/python-virtual-env ] || virtualenv --system-site-packages $TEST_DIR/python-virtual-env
source $TEST_DIR/python-virtual-env/bin/activate
pip install -r $TEST_DIR/requirements.txt > /dev/null
pip install -e $TEST_DIR/../.. > /dev/null
cd $TEST_DIR
nosetests --with-doctest -v

45
Godeps/_workspace/src/github.com/ethereum/ethash/test/python/test_pyethash.py generated vendored Normal file
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@ -0,0 +1,45 @@
import pyethash
from random import randint
def test_get_cache_size_not_None():
for _ in range(100):
block_num = randint(0,12456789)
out = pyethash.core.get_cache_size(block_num)
assert out != None
def test_get_full_size_not_None():
for _ in range(100):
block_num = randint(0,12456789)
out = pyethash.core.get_full_size(block_num)
assert out != None
def test_get_cache_size_based_on_EPOCH():
for _ in range(100):
block_num = randint(0,12456789)
out1 = pyethash.core.get_cache_size(block_num)
out2 = pyethash.core.get_cache_size((block_num // pyethash.EPOCH_LENGTH) * pyethash.EPOCH_LENGTH)
assert out1 == out2
def test_get_full_size_based_on_EPOCH():
for _ in range(100):
block_num = randint(0,12456789)
out1 = pyethash.core.get_full_size(block_num)
out2 = pyethash.core.get_full_size((block_num // pyethash.EPOCH_LENGTH) * pyethash.EPOCH_LENGTH)
assert out1 == out2
#def test_get_params_based_on_EPOCH():
# block_num = 123456
# out1 = pyethash.core.get_params(block_num)
# out2 = pyethash.core.get_params((block_num // pyethash.EPOCH_LENGTH) * pyethash.EPOCH_LENGTH)
# assert out1["DAG Size"] == out2["DAG Size"]
# assert out1["Cache Size"] == out2["Cache Size"]
#
#def test_get_params_returns_different_values_based_on_different_block_input():
# out1 = pyethash.core.get_params(123456)
# out2 = pyethash.core.get_params(12345)
# assert out1["DAG Size"] != out2["DAG Size"]
# assert out1["Cache Size"] != out2["Cache Size"]
#
#def test_get_cache_smoke_test():
# params = pyethash.core.get_params(123456)
# assert pyethash.core.mkcache(params, "~~~~") != None

26
Godeps/_workspace/src/github.com/ethereum/ethash/test/test.sh generated vendored Normal file
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@ -0,0 +1,26 @@
#!/bin/bash
# Strict mode
set -e
SOURCE="${BASH_SOURCE[0]}"
while [ -h "$SOURCE" ]; do
DIR="$( cd -P "$( dirname "$SOURCE" )" && pwd )"
SOURCE="$(readlink "$SOURCE")"
[[ $SOURCE != /* ]] && SOURCE="$DIR/$SOURCE"
done
TEST_DIR="$( cd -P "$( dirname "$SOURCE" )" && pwd )"
echo -e "\n################# Testing JS ##################"
# TODO: Use mocha and real testing tools instead of rolling our own
cd $TEST_DIR/../js
node test.js
echo -e "\n################# Testing C ##################"
$TEST_DIR/c/test.sh
echo -e "\n################# Testing Python ##################"
$TEST_DIR/python/test.sh
#echo "################# Testing Go ##################"
#$TEST_DIR/go/test.sh