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coriolis/kite/src/NegociateWindow.cpp

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// -*- C++ -*-
//
// This file is part of the Coriolis Software.
// Copyright (c) UPMC 2008-2018, All Rights Reserved
//
// +-----------------------------------------------------------------+
// | C O R I O L I S |
// | K i t e - D e t a i l e d R o u t e r |
// | |
// | Author : Jean-Paul CHAPUT |
// | E-mail : Jean-Paul.Chaput@asim.lip6.fr |
// | =============================================================== |
// | C++ Module : "./NegociateWindow.cpp" |
// +-----------------------------------------------------------------+
#include <vector>
#include <algorithm>
#include <iomanip>
#include "hurricane/Warning.h"
#include "hurricane/Bug.h"
#include "hurricane/RoutingPad.h"
#include "hurricane/Net.h"
#include "hurricane/Cell.h"
#include "crlcore/Utilities.h"
#include "crlcore/AllianceFramework.h"
#include "crlcore/Measures.h"
#include "crlcore/Histogram.h"
#include "katabatic/AutoContact.h"
#include "katabatic/GCellGrid.h"
#include "kite/DataNegociate.h"
#include "kite/TrackElement.h"
#include "kite/TrackMarker.h"
#include "kite/TrackCost.h"
#include "kite/Track.h"
#include "kite/TrackSegment.h"
#include "kite/RoutingPlane.h"
#include "kite/RoutingEventQueue.h"
#include "kite/RoutingEventHistory.h"
#include "kite/RoutingEventLoop.h"
#include "kite/NegociateWindow.h"
#include "kite/KiteEngine.h"
namespace {
using namespace std;
using namespace Hurricane;
using namespace CRL;
using namespace Kite;
void NegociateOverlapCost ( const TrackElement* segment, TrackCost& cost )
{
cdebug_log(9000,0) << "Deter| NegociateOverlapCost() " << segment << endl;
Interval intersect = segment->getCanonicalInterval();
if (not intersect.intersect(cost.getInterval())) return;
if (segment->isBlockage() or segment->isFixed()) {
cdebug_log(159,0) << "Infinite cost from: " << segment << endl;
cost.setInfinite ();
cost.setOverlap ();
cost.setHardOverlap();
cost.setBlockage ();
return;
}
if (cost.getInterval().getVMax() > intersect.getVMax()) cost.setLeftOverlap();
if (cost.getInterval().getVMin() < intersect.getVMin()) cost.setRightOverlap();
if (not intersect.contains(cost.getInterval()))
intersect.intersection( cost.getInterval() );
else {
cost.setLonguestOverlap( intersect.getSize() );
cost.setGlobalEnclosed();
}
DataNegociate* data = segment->getDataNegociate();
if (not data) return;
cost.mergeRipupCount( data->getRipupCount() );
if ( segment->isLocal() ) {
cost.mergeDataState( data->getState() );
if (data->getState() >= DataNegociate::LocalVsGlobal) {
cdebug_log(159,0) << "MaximumSlack/LocalVsGlobal for " << segment << endl;
}
}
if (segment->isGlobal()) {
cost.setOverlapGlobal();
if ( (cost.getFlags() & TrackCost::LocalAndTopDepth)
and (data->getState() >= DataNegociate::MoveUp) ) {
cost.setInfinite ();
cost.setOverlap ();
cost.setHardOverlap();
return;
}
}
cost.setOverlap();
if ( segment->isLocal()
or (cost.isForGlobal() and (Session::getRoutingGauge()->getLayerDepth(segment->getLayer()) < 3)) ) {
cdebug_log(9000,0) << "Deter| incTerminals() " << boolalpha << cost.isForGlobal() << " " << (data->getTerminals()*100) << endl;
cost.incTerminals( data->getTerminals()*100 );
} else {
cdebug_log(9000,0) << "Deter| isForGlobal() " << boolalpha << cost.isForGlobal() << endl;
}
cdebug_log(159,0) << "| Increment Delta: " << DbU::getValueString(intersect.getSize()) << endl;
cost.incDelta( intersect.getSize() );
}
void loadRoutingPads ( NegociateWindow* nw )
{
AllianceFramework* af = AllianceFramework::get ();
RoutingGauge* rg = nw->getKiteEngine()->getRoutingGauge();
for( Net* net : nw->getCell()->getNets() ) {
if (net->getType() == Net::Type::POWER ) continue;
if (net->getType() == Net::Type::GROUND) continue;
if (net->getType() == Net::Type::CLOCK ) continue;
if (af->isBLOCKAGE(net->getName())) continue;
for( RoutingPad* rp : net->getRoutingPads() ) {
size_t depth = rg->getLayerDepth(rp->getLayer());
if (depth > 0) continue;
if (depth == 0)
TrackMarker::create( rp, 1 );
}
}
}
} // Anonymous namespace.
namespace Kite {
using std::cerr;
using std::endl;
using std::setw;
using std::left;
using std::right;
using std::setprecision;
using Hurricane::Warning;
using Hurricane::Bug;
using Hurricane::tab;
using Hurricane::ForEachIterator;
using CRL::Histogram;
using CRL::addMeasure;
using Katabatic::AutoContact;
using Katabatic::AutoSegmentLut;
using Katabatic::perpandicularTo;
// -------------------------------------------------------------------
// Class : "NegociateWindow".
NegociateWindow::NegociateWindow ( KiteEngine* kite )
: _flags (KtNoFlags)
, _interrupt (false)
, _kite (kite)
, _gcells ()
, _segments ()
, _eventQueue ()
, _eventHistory()
, _eventLoop (10,50)
{ }
NegociateWindow* NegociateWindow::create ( KiteEngine* kite )
{
NegociateWindow* negociateWindow = new NegociateWindow ( kite );
return negociateWindow;
}
NegociateWindow::~NegociateWindow ()
{ }
void NegociateWindow::destroy ()
{ delete this; }
Cell* NegociateWindow::getCell () const
{ return _kite->getCell(); }
void NegociateWindow::setGCells ( const Katabatic::GCellVector& gcells )
{
_gcells = gcells;
loadRoutingPads( this );
Session::revalidate();
TrackElement* segment;
AutoSegmentLut lut = Session::getKiteEngine()->_getAutoSegmentLut();
AutoSegmentLut::iterator it = lut.begin ();
for ( ; it != lut.end() ; it++ ) {
segment = Session::lookup( it->second );
if (segment) segment->getDataNegociate()->update();
}
_statistics.setGCellsCount( _gcells.size() );
}
void NegociateWindow::addRoutingEvent ( TrackElement* segment, unsigned int level )
{
DataNegociate* data = segment->getDataNegociate();
if (not data or not data->hasRoutingEvent())
_eventQueue.add( segment, level );
else
cerr << Bug( "NegociateWidow::addRoutingEvent(): Try to adds twice the same TrackElement event."
"\n %p:%s."
, (void*)segment->base()->base()
, getString(segment).c_str()
) << endl;
}
TrackElement* NegociateWindow::createTrackSegment ( AutoSegment* autoSegment, unsigned int flags )
{
cdebug_log(159,1) << "NegociateWindow::createTrackSegment() - " << autoSegment << endl;
// Special case: fixed AutoSegments must not interfere with blockages.
// Ugly: uses of getExtensionCap().
if (autoSegment->isFixed()) {
RoutingPlane* plane = Session::getKiteEngine()->getRoutingPlaneByLayer(autoSegment->getLayer());
Track* track = plane->getTrackByPosition( autoSegment->getAxis() );
size_t begin;
size_t end;
Interval fixedSpan;
Interval blockageSpan;
autoSegment->getCanonical( fixedSpan );
fixedSpan.inflate( Session::getExtensionCap(autoSegment->getLayer())-1 );
track->getOverlapBounds( fixedSpan, begin, end );
for ( ; (begin < end) ; begin++ ) {
TrackElement* other = track->getSegment(begin);
cdebug_log(159,0) << "| overlap: " << other << endl;
if (not other->isBlockage()) continue;
other->getCanonical( blockageSpan );
blockageSpan.inflate( Session::getExtensionCap(autoSegment->getLayer()) );
cdebug_log(159,0) << " fixed:" << fixedSpan << " vs. blockage:" << blockageSpan << endl;
if (not fixedSpan.intersect(blockageSpan)) continue;
// Overlap between fixed & blockage.
cdebug_log(159,0) << "* Blockage overlap: " << autoSegment << endl;
Session::destroyRequest( autoSegment );
cerr << Warning( "Overlap between fixed %s and blockage at %s."
, getString(autoSegment).c_str()
, getString(blockageSpan).c_str() ) << endl;
cdebug_tabw(159,-1);
return NULL;
}
}
Interval span;
autoSegment = autoSegment->getCanonical( span );
bool created;
TrackElement* trackSegment = TrackSegment::create( autoSegment, NULL, created );
if (not (flags & KtLoadingStage))
cdebug_log(159,0) << "* lookup: " << autoSegment << endl;
if (created) {
cdebug_log(159,0) << "* " << trackSegment << endl;
RoutingPlane* plane = Session::getKiteEngine()->getRoutingPlaneByLayer(autoSegment->getLayer());
Track* track = plane->getTrackByPosition ( autoSegment->getAxis() );
Interval uside = autoSegment->getAutoSource()->getGCell()->getSide( perpandicularTo(autoSegment->getDirection()) );
Interval constraints;
autoSegment->getConstraints( constraints );
uside.intersection( constraints );
if (track->getAxis() > uside.getVMax()) track = track->getPreviousTrack();
if (track->getAxis() < uside.getVMin()) track = track->getNextTrack();
cdebug_log(159,0) << "* GCell U-side " << uside << endl;
cdebug_log(159,0) << "* " << plane << endl;
cdebug_log(159,0) << "* " << track << endl;
trackSegment->setAxis( track->getAxis(), Katabatic::SegAxisSet );
trackSegment->invalidate();
if (trackSegment->isFixed()) {
Session::addInsertEvent( trackSegment, track );
} else {
_segments.push_back( trackSegment );
}
}
if (not created and not (flags & KtLoadingStage)) {
cdebug_log(159,0) << "TrackSegment already exists (and not in loading stage)." << endl;
}
cdebug_tabw(159,-1);
return trackSegment;
}
double NegociateWindow::computeWirelength ()
{
set<TrackElement*> accounteds;
double totalWL = 0.0;
for ( size_t igcell=0 ; igcell<_gcells.size() ; ++igcell ) {
double gcellWL = 0.0;
Segment* segment;
TrackElement* trackSegment;
const vector<AutoContact*>& contacts = _gcells[igcell]->getContacts();
for ( size_t i=0 ; i<contacts.size() ; i++ ) {
for( Hook* hook : contacts[i]->getBodyHook()->getSlaveHooks() ) {
Hook* sourceHook = dynamic_cast<Segment::SourceHook*>(hook);
if (not sourceHook) continue;
segment = dynamic_cast<Segment*>(sourceHook->getComponent());
trackSegment = Session::lookup( segment );
if (trackSegment) {
if (accounteds.find(trackSegment) != accounteds.end()) continue;
accounteds.insert( trackSegment );
gcellWL += DbU::getLambda( trackSegment->getLength() );
}
}
}
// Partial sum to limit rounding errors.
totalWL += gcellWL;
}
return totalWL;
}
void NegociateWindow::_createRouting ( Katabatic::GCell* gcell )
{
cdebug_log(159,1) << "NegociateWindow::_createRouting() - " << gcell << endl;
Segment* segment;
AutoSegment* autoSegment;
cdebug_log(159,0) << "AutoSegments from AutoContacts" << endl;
const vector<AutoContact*>& contacts = gcell->getContacts();
for ( size_t i=0 ; i<contacts.size() ; i++ ) {
for( Component* component : contacts[i]->getSlaveComponents() ) {
segment = dynamic_cast<Segment*>(component);
autoSegment = Session::base()->lookup( segment );
cdebug_log(159,0) << autoSegment << endl;
if (autoSegment and autoSegment->isCanonical()) {
createTrackSegment( autoSegment, KtLoadingStage );
}
}
}
cdebug_log(159,0) << "_segments.size():" << _segments.size() << endl;
cdebug_tabw(159,-1);
}
void NegociateWindow::_pack ( size_t& count, bool last )
{
unsigned long limit = _kite->getEventsLimit();
unsigned int pushStage = RoutingEvent::getStage();
RoutingEvent::setStage( RoutingEvent::Pack );
RoutingEventQueue packQueue;
//for ( size_t i = (count > 600) ? count-600 : 0
// ; (i<_eventHistory.size()-(last ? 0 : 100)) and not isInterrupted() ; i++ ) {
for ( size_t i=0 ; i<_eventHistory.size() ; ++i ) {
RoutingEvent* event = _eventHistory.getNth(i);
if ( event and not event->isCloned() ) {
cerr << "Cloned:" << event->isCloned()
<< " UTurn:" << event->getSegment()->isUTurn() << " " << event->getSegment() << endl;
}
if ( event and not event->isCloned() and event->getSegment()->isUTurn() ) {
event->reschedule( packQueue, 0 );
}
}
packQueue.commit();
while ( not packQueue.empty() and not isInterrupted() ) {
RoutingEvent* event = packQueue.pop();
if (tty::enabled()) {
cmess2 << " <pack.event:" << tty::bold << setw(8) << setfill('0')
<< RoutingEvent::getProcesseds() << tty::reset
<< " remains:" << right << setw(8) << setfill('0')
<< packQueue.size() << ">"
<< setfill(' ') << tty::reset << tty::cr;
cmess2.flush();
} else {
cmess2 << " <pack.event:" << setw(8) << setfill('0')
<< RoutingEvent::getProcesseds() << setfill(' ') << " "
<< event->getEventLevel() << ":" << event->getPriority() << "> "
<< event->getSegment()
<< endl;
cmess2.flush();
}
event->process( packQueue, _eventHistory, _eventLoop );
if (RoutingEvent::getProcesseds() >= limit) setInterrupt( true );
}
// Count will be wrong!
RoutingEvent::setStage( pushStage );
}
size_t NegociateWindow::_negociate ()
{
cdebug_log(9000,0) << "Deter| NegociateWindow::_negociate()" << endl;
cdebug_log(159,1) << "NegociateWindow::_negociate() - " << _segments.size() << endl;
cmess1 << " o Negociation Stage." << endl;
unsigned long limit = _kite->getEventsLimit();
bool profiling = _kite->profileEventCosts();
ofstream ofprofile;
if (profiling) ofprofile.open( "kite.profile.txt" );
_eventHistory.clear();
_eventQueue.load( _segments );
cmess2 << " <queue:" << right << setw(8) << setfill('0') << _eventQueue.size() << ">" << endl;
if (cdebug.enabled(9000)) _eventQueue.dump();
size_t count = 0;
RoutingEvent::setStage( RoutingEvent::Negociate );
while ( not _eventQueue.empty() and not isInterrupted() ) {
RoutingEvent* event = _eventQueue.pop();
if (tty::enabled()) {
cmess2 << " <event:" << tty::bold << right << setw(8) << setfill('0')
<< RoutingEvent::getProcesseds() << tty::reset
<< " remains:" << right << setw(8) << setfill('0')
<< _eventQueue.size()
<< setfill(' ') << tty::reset << ">" << tty::cr;
cmess2.flush ();
} else {
cmess2 << " <event:" << right << setw(8) << setfill('0')
<< RoutingEvent::getProcesseds() << setfill(' ') << " "
<< event->getEventLevel() << ":" << event->getPriority() << "> "
<< event->getSegment()
<< endl;
cmess2.flush();
}
if (ofprofile.is_open()) {
size_t depth = _kite->getConfiguration()->getLayerDepth( event->getSegment()->getLayer() );
if (depth < 6) {
ofprofile << setw(10) << right << count << " ";
for ( size_t i=0 ; i<6 ; ++i ) {
if (i == depth)
ofprofile << setw(10) << right << setprecision(2) << event->getPriority () << " ";
else
ofprofile << setw(10) << right << setprecision(2) << 0.0 << " ";
}
ofprofile << setw( 2) << right << event->getEventLevel() << endl;
}
}
event->process( _eventQueue, _eventHistory, _eventLoop );
count++;
//if (count and not (count % 500)) {
// _pack( count, false );
//}
if (RoutingEvent::getProcesseds() >= limit) setInterrupt( true );
}
//_pack( count, true );
if (count and cmess2.enabled() and tty::enabled()) cmess1 << endl;
cdebug_log(9000,0) << "Deter| Repair Stage" << endl;
cmess1 << " o Repair Stage." << endl;
cdebug_log(159,0) << "Loadind Repair queue." << endl;
RoutingEvent::setStage( RoutingEvent::Repair );
for ( size_t i=0 ; (i<_eventHistory.size()) and not isInterrupted() ; i++ ) {
RoutingEvent* event = _eventHistory.getNth(i);
if (not event->isCloned() and event->isUnimplemented()) {
event->reschedule( _eventQueue, 0 );
}
}
_eventQueue.commit();
cmess2 << " <repair.queue:" << right << setw(8) << setfill('0')
<< _eventQueue.size() << ">" << endl;
count = 0;
//_eventQueue.prepareRepair();
while ( not _eventQueue.empty() and not isInterrupted() ) {
RoutingEvent* event = _eventQueue.pop();
if (tty::enabled()) {
cmess2 << " <repair.event:" << tty::bold << setw(8) << setfill('0')
<< RoutingEvent::getProcesseds() << tty::reset
<< " remains:" << right << setw(8) << setfill('0')
<< _eventQueue.size() << ">"
<< setfill(' ') << tty::reset << tty::cr;
cmess2.flush();
} else {
cmess2 << " <repair.event:" << setw(8) << setfill('0')
<< RoutingEvent::getProcesseds() << setfill(' ') << " "
<< event->getEventLevel() << ":" << event->getPriority() << "> "
<< event->getSegment()
<< endl;
cmess2.flush();
}
event->process( _eventQueue, _eventHistory, _eventLoop );
count++;
if (RoutingEvent::getProcesseds() >= limit ) setInterrupt( true );
}
if (count and cmess2.enabled() and tty::enabled()) cmess1 << endl;
size_t eventsCount = _eventHistory.size();
_eventHistory.clear();
_eventQueue.clear();
if (RoutingEvent::getAllocateds() > 0) {
cerr << Bug( "%d events remains after clear.", RoutingEvent::getAllocateds() ) << endl;
}
if (ofprofile.is_open()) ofprofile.close();
_statistics.setEventsCount( eventsCount );
cdebug_tabw(159,-1);
return eventsCount;
}
void NegociateWindow::run ( unsigned int flags )
{
cdebug_log(159,1) << "NegociateWindow::run()" << endl;
cmess1 << " o Running Negociate Algorithm" << endl;
TrackElement::setOverlapCostCB( NegociateOverlapCost );
RoutingEvent::resetProcesseds();
for ( size_t igcell=0 ; igcell<_gcells.size() ; ++igcell ) {
_createRouting( _gcells[igcell] );
}
Session::revalidate();
if (not (flags & KtPreRoutedStage)) {
_kite->preProcess();
Session::revalidate();
}
_kite->setMinimumWL( computeWirelength() );
#if defined(CHECK_DATABASE)
unsigned int overlaps = 0;
Session::getKiteEngine()->_check( overlaps, "after _createRouting(GCell*)" );
#endif
_flags |= flags;
_negociate();
printStatistics();
if (flags & KtPreRoutedStage) {
_kite->setFixedPreRouted();
}
Session::revalidate();
Session::get()->isEmpty();
# if defined(CHECK_DATABASE)
_kite->_check( overlaps, "after negociation" );
# endif
cdebug_tabw(159,-1);
}
void NegociateWindow::printStatistics () const
{
cmess1 << " o Computing statistics." << endl;
cmess1 << Dots::asSizet(" - Processeds Events Total",RoutingEvent::getProcesseds()) << endl;
cmess1 << Dots::asSizet(" - Unique Events Total"
,(RoutingEvent::getProcesseds() - RoutingEvent::getCloneds())) << endl;
cmess1 << Dots::asSizet(" - # of GCells",_statistics.getGCellsCount()) << endl;
_kite->printCompletion();
addMeasure<size_t>( getCell(), "Events" , RoutingEvent::getProcesseds(), 12 );
addMeasure<size_t>( getCell(), "UEvents", RoutingEvent::getProcesseds()-RoutingEvent::getCloneds(), 12 );
Histogram* densityHistogram = new Histogram ( 1.0, 0.1, 2 );
addMeasure<Histogram>( getCell(), "GCells Density Histogram", densityHistogram );
densityHistogram->setFileExtension( ".density.histogram" );
densityHistogram->setMainTitle ( "GCell Densities" );
densityHistogram->setTitle ( "Avg. Density", 0 );
densityHistogram->setTitle ( "Peak Density", 1 );
densityHistogram->setColor ( "green", 0 );
densityHistogram->setColor ( "red" , 1 );
const Katabatic::GCellVector* gcells = getKiteEngine()->getGCellGrid()->getGCellVector();
getKiteEngine()->getGCellGrid()->setDensityMode( Katabatic::GCellGrid::MaxHVDensity );
for ( size_t igcell=0 ; igcell<(*gcells).size() ; ++igcell ) {
densityHistogram->addSample( (*gcells)[igcell]->getDensity(), 0 );
}
getKiteEngine()->getGCellGrid()->setDensityMode( Katabatic::GCellGrid::MaxDensity );
for ( size_t igcell=0 ; igcell<(*gcells).size() ; ++igcell ) {
densityHistogram->addSample( (*gcells)[igcell]->getDensity(), 1 );
}
densityHistogram->normalize( 0 );
densityHistogram->normalize( 1 );
}
string NegociateWindow::_getString () const
{
ostringstream os;
os << "<" << _getTypeName() << ">";
return os.str();
}
Record* NegociateWindow::_getRecord () const
{
Record* record = new Record ( _getString() );
record->add( getSlot( "_gcells", _gcells ) );
return record;
}
} // Kite namespace.
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