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*/ |
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#include <algorithm> |
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#include "brains/BlockSnapshotManager.hpp" |
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< |
#include "utils/residentMem.h" |
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< |
#include "utils/physmem.h" |
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> |
//#include "utils/residentMem.h" |
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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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|
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namespace OpenMD { |
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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), blockCapacity_(blockCapacity), |
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< |
activeBlocks_(blockCapacity_, -1), activeRefCount_(blockCapacity_, 0) { |
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> |
BlockSnapshotManager::BlockSnapshotManager(SimInfo* info, |
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> |
const std::string& filename, |
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> |
int storageLayout, |
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> |
long long int memSize, |
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> |
int blockCapacity) |
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> |
: SnapshotManager(storageLayout), info_(info), memSize_(memSize), |
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> |
blockCapacity_(blockCapacity), activeBlocks_(blockCapacity_, -1), |
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> |
activeRefCount_(blockCapacity_, 0) { |
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|
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nAtoms_ = info->getNGlobalAtoms(); |
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nRigidBodies_ = info->getNGlobalRigidBodies(); |
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nCutoffGroups_ = info->getNCutoffGroups(); |
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|
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< |
RealType physMem = physmem_total(); |
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< |
RealType rssMem = residentMem(); |
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< |
RealType avaliablePhysMem = physMem - rssMem; |
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< |
|
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> |
// eliminate suspect calls to figure out free memory: |
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> |
// RealType physMem = physmem_total(); |
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> |
// RealType rssMem = residentMem(); |
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> |
// RealType avaliablePhysMem = physMem - rssMem; |
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|
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int bytesPerStuntDouble = DataStorage::getBytesPerStuntDouble(storageLayout); |
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– |
|
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int bytesPerFrame = (nRigidBodies_ + nAtoms_) * bytesPerStuntDouble; |
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|
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// total number of frames that can fit in memory |
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< |
RealType frameCapacity = avaliablePhysMem / bytesPerFrame; |
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> |
//RealType frameCapacity = avaliablePhysMem / bytesPerFrame; |
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> |
RealType frameCapacity = memSize_ / bytesPerFrame; |
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|
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// number of frames in each block given the need to hold multiple blocks |
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// in memory at the same time: |
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std::cout << "-----------------------------------------------------"<<std::endl; |
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std::cout << "BlockSnapshotManager memory report:" << std::endl; |
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std::cout << "\n"; |
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< |
std::cout << " Physical Memory available:\t" << (unsigned long)physMem << " bytes" <<std::endl; |
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< |
std::cout << " Resident Memory in use:\t" << (unsigned long)rssMem << " bytes" <<std::endl; |
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< |
std::cout << "Memory available for OpenMD:\t" << (unsigned long)avaliablePhysMem << " bytes" <<std::endl; |
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> |
// std::cout << " Physical Memory available:\t" << (unsigned long)physMem << " bytes" <<std::endl; |
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> |
//std::cout << " Resident Memory in use:\t" << (unsigned long)rssMem << " bytes" <<std::endl; |
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> |
//std::cout << "Memory available for OpenMD:\t" << (unsigned long)avaliablePhysMem << " bytes" <<std::endl; |
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> |
std::cout << "Memory requested for OpenMD:\t" << (unsigned long)memSize_ << " bytes" <<std::endl; |
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std::cout << " Bytes per StuntDouble:\t" << (unsigned long)bytesPerStuntDouble <<std::endl; |
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std::cout << " Bytes per Frame:\t" << (unsigned long)bytesPerFrame <<std::endl; |
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std::cout << " Frame Capacity:\t" << (unsigned long)frameCapacity <<std::endl; |
