| 53 |
|
int storageLayout, |
| 54 |
|
long long int memSize, |
| 55 |
|
int blockCapacity) |
| 56 |
< |
: SnapshotManager(storageLayout), info_(info), memSize_(memSize), |
| 57 |
< |
blockCapacity_(blockCapacity), activeBlocks_(blockCapacity_, -1), |
| 56 |
> |
: SnapshotManager(storageLayout), info_(info), |
| 57 |
> |
blockCapacity_(blockCapacity), memSize_(memSize), |
| 58 |
> |
activeBlocks_(blockCapacity_, -1), |
| 59 |
|
activeRefCount_(blockCapacity_, 0) { |
| 60 |
|
|
| 61 |
|
nAtoms_ = info->getNGlobalAtoms(); |
| 68 |
|
// RealType avaliablePhysMem = physMem - rssMem; |
| 69 |
|
|
| 70 |
|
int bytesPerStuntDouble = DataStorage::getBytesPerStuntDouble(storageLayout); |
| 71 |
< |
int bytesPerFrame = (nRigidBodies_ + nAtoms_) * bytesPerStuntDouble; |
| 71 |
> |
int bytesPerCutoffGroup = DataStorage::getBytesPerStuntDouble(DataStorage::dslPosition); |
| 72 |
|
|
| 73 |
+ |
int bytesPerFrameData = Snapshot::getFrameDataSize(); |
| 74 |
+ |
int bytesPerFrame = (nRigidBodies_ + nAtoms_) * bytesPerStuntDouble |
| 75 |
+ |
+ nCutoffGroups_ * bytesPerCutoffGroup |
| 76 |
+ |
+ bytesPerFrameData; |
| 77 |
+ |
|
| 78 |
|
// total number of frames that can fit in memory |
| 79 |
|
//RealType frameCapacity = avaliablePhysMem / bytesPerFrame; |
| 80 |
|
RealType frameCapacity = (RealType) memSize_ / (RealType) bytesPerFrame; |
| 100 |
|
|
| 101 |
|
snapshots_.insert(snapshots_.begin(), nframes_, static_cast<Snapshot*>(NULL)); |
| 102 |
|
|
| 103 |
< |
std::cout << "-----------------------------------------------------"<<std::endl; |
| 103 |
> |
std::cout << "-----------------------------------------------------" |
| 104 |
> |
<< std::endl; |
| 105 |
|
std::cout << "BlockSnapshotManager memory report:" << std::endl; |
| 106 |
|
std::cout << "\n"; |
| 107 |
|
// std::cout << " Physical Memory available:\t" << (unsigned long)physMem << " bytes" <<std::endl; |
| 108 |
|
//std::cout << " Resident Memory in use:\t" << (unsigned long)rssMem << " bytes" <<std::endl; |
| 109 |
|
//std::cout << "Memory available for OpenMD:\t" << (unsigned long)avaliablePhysMem << " bytes" <<std::endl; |
| 110 |
< |
std::cout << "Memory requested for OpenMD:\t" << (unsigned long)memSize_ << " bytes" <<std::endl; |
| 111 |
< |
std::cout << " Bytes per StuntDouble:\t" << (unsigned long)bytesPerStuntDouble <<std::endl; |
| 112 |
< |
std::cout << " Bytes per Frame:\t" << (unsigned long)bytesPerFrame <<std::endl; |
| 113 |
< |
std::cout << " Frame Capacity:\t" << (unsigned long)frameCapacity <<std::endl; |
| 114 |
< |
std::cout << " Frames in trajectory:\t" << (unsigned long)nframes_ <<std::endl; |
| 115 |
< |
std::cout << " Snapshots per Block:\t" << (unsigned long)nSnapshotPerBlock_ <<std::endl; |
| 116 |
< |
std::cout << " Total number of Blocks:\t" << (unsigned long)nblocks << std::endl; |
| 117 |
< |
std::cout << "-----------------------------------------------------"<<std::endl; |
| 110 |
> |
std::cout << "Memory requested for OpenMD:\t" |
| 111 |
> |
<< (unsigned long)memSize_ << " bytes" << std::endl; |
| 112 |
> |
std::cout << " Bytes per FrameData:\t" |
| 113 |
> |
<< (unsigned long)bytesPerFrameData << std::endl; |
| 114 |
> |
std::cout << " Bytes per StuntDouble:\t" |
| 115 |
> |
<< (unsigned long)bytesPerStuntDouble << std::endl; |
| 116 |
> |
std::cout << " Bytes per Cutoff Group:\t" |
| 117 |
> |
<< (unsigned long)bytesPerCutoffGroup << std::endl; |
| 118 |
> |
std::cout << " Bytes per Frame:\t" |
| 119 |
> |
<< (unsigned long)bytesPerFrame << std::endl; |
| 120 |
> |
std::cout << " Frame Capacity:\t" |
| 121 |
> |
<< (unsigned long)frameCapacity << std::endl; |
| 122 |
> |
std::cout << " Frames in trajectory:\t" |
| 123 |
> |
<< (unsigned long)nframes_ << std::endl; |
| 124 |
> |
std::cout << " Snapshots per Block:\t" |
| 125 |
> |
<< (unsigned long)nSnapshotPerBlock_ << std::endl; |
| 126 |
> |
std::cout << " Total number of Blocks:\t" |
| 127 |
> |
<< (unsigned long)nblocks << std::endl; |
| 128 |
> |
std::cout << "-----------------------------------------------------" |
| 129 |
> |
<< std::endl; |
| 130 |
|
|
| 131 |
|
} |
| 132 |
|
|
| 164 |
|
|
| 165 |
|
bool BlockSnapshotManager::loadBlock(int block) { |
| 166 |
|
std::vector<int>::iterator i = findActiveBlock(block); |
| 167 |
< |
bool loadSuccess; |
| 167 |
> |
bool loadSuccess(false); |
| 168 |
|
if (i != activeBlocks_.end()) { |
| 169 |
< |
//if block is already in memory, just increast the reference count |
| 169 |
> |
// If the block is already in memory, just increase the |
| 170 |
> |
// reference count: |
| 171 |
|
++activeRefCount_[i - activeBlocks_.begin()]; |
| 172 |
|
loadSuccess = true; |
| 173 |
|
} else if (getNActiveBlocks() < blockCapacity_){ |
| 174 |
< |
//if number of active blocks is less than the block capacity, just load it |
| 174 |
> |
// If the number of active blocks is less than the block |
| 175 |
> |
// capacity, just load the block: |
| 176 |
|
internalLoad(block); |
| 177 |
|
loadSuccess = true; |
| 178 |
|
} else if ( hasZeroRefBlock() ) { |
| 179 |
< |
//if already reach the block capacity, need to unload a block with 0 reference |
| 179 |
> |
// If we have already reached the block capacity, we need to |
| 180 |
> |
// unload a block with 0 references: |
| 181 |
|
int zeroRefBlock = getFirstZeroRefBlock(); |
| 182 |
|
assert(zeroRefBlock != -1); |
| 183 |
|
internalUnload(zeroRefBlock); |
| 184 |
|
internalLoad(block); |
| 185 |
|
} else { |
| 186 |
< |
//reach the capacity and all blocks in memory are not zero reference |
| 186 |
> |
// We have reached capacity and all blocks in memory are have |
| 187 |
> |
// non-zero references: |
| 188 |
|
loadSuccess = false; |
| 189 |
< |
} |
| 167 |
< |
|
| 189 |
> |
} |
| 190 |
|
return loadSuccess; |
| 191 |
|
} |
| 192 |
|
|
