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#include <algorithm> |
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#include "brains/BlockSnapshotManager.hpp" |
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#include "utils/physmem.h" |
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#include "utils/Algorithm.hpp" |
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#include "brains/SimInfo.hpp" |
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#include "io/DumpReader.hpp" |
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namespace oopse { |
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BlockSnapshotManager::BlockSnapshotManager(SimInfo* info, const std::string& filename, |
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int storageLayout, int blockCapacity) |
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: SnapshotManager(storageLayout), info_(info), |
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blockCapacity_(blockCapacity), activeBlocks(blockCapacity_, -1) { |
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: SnapshotManager(storageLayout), info_(info), blockCapacity_(blockCapacity), activeBlocks_(blockCapacity_, -1) { |
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nAtoms_ = info->getNGlobalAtoms(); |
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nRigidBodies_ = info->getNGlobalRigidBodies(); |
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int bytesPerStuntDouble = DataStorage::getBytesPerStuntDouble(storageLayout); |
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int bytesPerFrame = nStuntDoubles * bytesPerStuntDouble; |
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int bytesPerFrame = (nRigidBodies_ + nAtoms_) * bytesPerStuntDouble; |
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int frameCapacity = int (avalPhysMem / bytesPerFrame); |
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nSnapshotPerBlock_ = frameCapacity /blockCapacity_ ; |
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reader_ = new DumpReader(info, filename); |
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nframes_ = reader->getNFrames(); |
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nframes_ = reader_->getNFrames(); |
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int nblocks = nframes / nSnapshotPerBlock_; |
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if (nframes % nSnapshotPerBlock != 0) { |
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int nblocks = nframes_ / nSnapshotPerBlock_; |
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if (nframes_ % nSnapshotPerBlock_ != 0) { |
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++nblocks; |
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} |
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for (int i = 0; i < nblocks; ++i) { |
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blocks_.push_back(SnapshotBlock(i, (i+1)*nSnapshotPerBlock_); |
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blocks_.push_back(SnapshotBlock(i*nSnapshotPerBlock_, (i+1)*nSnapshotPerBlock_)); |
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} |
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//the last block may not have nSnapshotPerBlock frames, we need to consider this special situation |
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blocks.back.second = nframes; |
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blocks_.back().second = nframes_; |
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snapshots_.insert(snapshot_.begin(), nframes, NULL); |
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snapshots_.insert(snapshots_.begin(), nframes_, static_cast<Snapshot*>(NULL)); |
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} |
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BlockSnapshotMananger::~BlockSnapshotMananger() { |
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BlockSnapshotManager::~BlockSnapshotManager() { |
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currentSnapshot_ = NULL; |
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previousSnapshot_ = NULL; |
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delete reader_; |
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std::for_each(activeBlocks_.begin(), activeBlocks_.end(), unloadBlock); |
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std::vector<int>::iterator i; |
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for (i = activeBlocks_.begin(); i != activeBlocks_.end(); ++i) { |
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if (*i != -1) { |
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unloadBlock(*i); |
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} |
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} |
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} |
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int BlockSnapshotManager::getNActiveBlocks() { |
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return std::count_if(activeBlocks_.begin(), activeBlocks_.end(), std::not); |
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#ifdef __RWSTD |
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int count = 0; |
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std::count_if(activeBlocks_.begin(), activeBlocks_.end(), std::bind2nd(std::not_equal_to<int>(), -1), count); |
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return count; |
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#else |
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return std::count_if(activeBlocks_.begin(), activeBlocks_.end(), std::bind2nd(std::not_equal_to<int>(), -1)); |
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#endif |
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} |
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bool BlockSnapshotManager::isBlockActive(int block) { |
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j = std::find(activeBlocks_.begin(), activeBlocks_.end(), block); |
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assert(j != activeBlocks_.end()); |
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*j = -1; |
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unloadSuccess = true; |
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} |
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return unloadSuccess; |
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} |
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std::vector<int> BlockSnapshotManager::getActiveBlocks() { |
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std::vector<int> result; |
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std::copy_if(activeBlocks_.begin(), activeBlocks_.end()); |
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oopse::copy_if(activeBlocks_.begin(), activeBlocks_.end(), std::back_inserter(result), |
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std::bind2nd(std::not_equal_to<int>(), -1)); |
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return result; |
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} |
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Snapshot* BlockSnapshotManager::loadFrame(int frame){ |
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Snapshot* snapshot = new Snapshot(nAtoms_, nRigidBodies_, getStorageLayout()); |
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snapshot->setID(frame); |
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setCurrentSnapshot(snapshot); /** @todo fixed me */ |
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/** @todo fixed me */ |
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Snapshot* oldSnapshot = currentSnapshot_; |
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currentSnapshot_ = snapshot; |
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reader_->readFrame(frame); |
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currentSnapshot_ = oldSnapshot; |
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return snapshot; |
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} |
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