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remove unused data in bitstream manager to compact memory usage

This commit is contained in:
tangxifan 2020-07-03 10:35:35 -06:00
parent 7ca1a5bdc1
commit 6397cbe9d2
2 changed files with 0 additions and 39 deletions
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32
libopenfpga/libfpgabitstream/src/bitstream_manager.cpp
View File

@ -72,31 +72,6 @@ std::vector<ConfigBitId> BitstreamManager::block_bits(const ConfigBlockId& block
return block_bit_ids_[block_id];
}
ConfigBlockId BitstreamManager::bit_parent_block(const ConfigBitId& bit_id) const {
/* Ensure the input ids are valid */
VTR_ASSERT(true == valid_bit_id(bit_id));
return bit_parent_block_ids_[bit_id];
}
size_t BitstreamManager::bit_index_in_parent_block(const ConfigBitId& bit_id) const {
/* Ensure the input ids are valid */
VTR_ASSERT(true == valid_bit_id(bit_id));
ConfigBlockId bit_parent_block = bit_parent_block_ids_[bit_id];
VTR_ASSERT(true == valid_block_id(bit_parent_block));
for (size_t index = 0; index < block_bits(bit_parent_block).size(); ++index) {
if (bit_id == block_bits(bit_parent_block)[index]) {
return index;
}
}
/* Not found, return in valid value */
return size_t(-1);
}
/* Find the child block in a bitstream manager with a given name */
ConfigBlockId BitstreamManager::find_child_block(const ConfigBlockId& block_id,
const std::string& child_block_name) const {
@ -153,7 +128,6 @@ ConfigBitId BitstreamManager::add_bit(const bool& bit_value) {
} else {
bit_values_.push_back('0');
}
bit_parent_block_ids_.push_back(ConfigBlockId::INVALID());
return bit;
}
@ -170,7 +144,6 @@ void BitstreamManager::reserve_blocks(const size_t& num_blocks) {
void BitstreamManager::reserve_bits(const size_t& num_bits) {
bit_values_.reserve(num_bits);
bit_parent_block_ids_.reserve(num_bits);
}
ConfigBlockId BitstreamManager::create_block() {
@ -233,13 +206,8 @@ void BitstreamManager::add_bit_to_block(const ConfigBlockId& block, const Config
VTR_ASSERT(true == valid_block_id(block));
VTR_ASSERT(true == valid_bit_id(bit));
/* We should have only a parent block for each bit! */
VTR_ASSERT(ConfigBlockId::INVALID() == bit_parent_block_ids_[bit]);
/* Add the bit to the block */
block_bit_ids_[block].push_back(bit);
/* Register the block in the parent of the bit */
bit_parent_block_ids_[bit] = block;
}
void BitstreamManager::add_path_id_to_block(const ConfigBlockId& block, const int& path_id) {

7
libopenfpga/libfpgabitstream/src/bitstream_manager.h
View File

@ -129,12 +129,6 @@ class BitstreamManager {
/* Find all the bits that belong to a block */
std::vector<ConfigBitId> block_bits(const ConfigBlockId& block_id) const;
/* Find the parent block of a bit */
ConfigBlockId bit_parent_block(const ConfigBitId& bit_id) const;
/* Find the index of a configuration bit in its parent block */
size_t bit_index_in_parent_block(const ConfigBitId& bit_id) const;
/* Find the child block in a bitstream manager with a given name */
ConfigBlockId find_child_block(const ConfigBlockId& block_id, const std::string& child_block_name) const;
@ -241,7 +235,6 @@ class BitstreamManager {
/* Unique id of a bit in the Bitstream */
size_t num_bits_;
std::unordered_set<ConfigBitId> invalid_bit_ids_;
vtr::vector<ConfigBitId, ConfigBlockId> bit_parent_block_ids_;
/* value of a bit in the Bitstream */
vtr::vector<ConfigBitId, char> bit_values_;
};