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ParallelTopologyChange.cpp
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ParallelTopologyChange.cpp
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/**
* @file ParallelTopologyChange.cpp
*/
#include "ParallelTopologyChange.hpp"
#include "common/GeosxMacros.hpp"
#include "common/TimingMacros.hpp"
#include "mesh/ElementRegionManager.hpp"
#include "mesh/ExtrinsicMeshData.hpp"
#include "mesh/mpiCommunications/CommunicationTools.hpp"
#include "mesh/mpiCommunications/MPI_iCommData.hpp"
namespace geosx
{
using namespace dataRepository;
ParallelTopologyChange::ParallelTopologyChange()
{}
ParallelTopologyChange::~ParallelTopologyChange()
{}
void ParallelTopologyChange::synchronizeTopologyChange( MeshLevel * const mesh,
std::vector< NeighborCommunicator > & neighbors,
ModifiedObjectLists & modifiedObjects,
ModifiedObjectLists & receivedObjects,
int mpiCommOrder )
{
NodeManager & nodeManager = mesh->getNodeManager();
EdgeManager & edgeManager = mesh->getEdgeManager();
FaceManager & faceManager = mesh->getFaceManager();
ElementRegionManager & elemManager = mesh->getElemManager();
//************************************************************************************************
// 2) first we need to send over:
// a) the new objects to owning ranks. New objects are assumed to be
// owned by the rank that owned the parent.
// b) the modified objects to the owning ranks.
// pack the buffers, and send the size of the buffers
MPI_iCommData commData( CommunicationTools::getInstance().getCommID() );
commData.resize( neighbors.size() );
for( unsigned int neighborIndex=0; neighborIndex<neighbors.size(); ++neighborIndex )
{
NeighborCommunicator & neighbor = neighbors[neighborIndex];
packNewAndModifiedObjectsToOwningRanks( &neighbor,
mesh,
modifiedObjects,
commData.commID() );
neighbor.mpiISendReceiveBufferSizes( commData.commID(),
commData.mpiSendBufferSizeRequest( neighborIndex ),
commData.mpiRecvBufferSizeRequest( neighborIndex ),
MPI_COMM_GEOSX );
}
// send/recv the buffers
for( unsigned int count=0; count<neighbors.size(); ++count )
{
int neighborIndex;
MpiWrapper::waitAny( commData.size(),
commData.mpiRecvBufferSizeRequest(),
&neighborIndex,
commData.mpiRecvBufferSizeStatus() );
NeighborCommunicator & neighbor = neighbors[neighborIndex];
neighbor.mpiISendReceiveBuffers( commData.commID(),
commData.mpiSendBufferRequest( neighborIndex ),
commData.mpiRecvBufferRequest( neighborIndex ),
MPI_COMM_GEOSX );
}
// unpack the buffers and get lists of the new objects.
for( unsigned int count=0; count<neighbors.size(); ++count )
{
int neighborIndex = count;
if( mpiCommOrder == 0 )
{
MpiWrapper::waitAny( commData.size(),
commData.mpiRecvBufferRequest(),
&neighborIndex,
commData.mpiRecvBufferStatus() );
}
// Unpack buffers in set ordering for integration testing
else
{
MpiWrapper::wait( commData.mpiRecvBufferRequest() + count,
commData.mpiRecvBufferStatus() + count );
}
NeighborCommunicator & neighbor = neighbors[neighborIndex];
unpackNewAndModifiedObjectsOnOwningRanks( &neighbor,
mesh,
commData.commID(),
receivedObjects );
}
nodeManager.inheritGhostRankFromParent( receivedObjects.newNodes );
edgeManager.inheritGhostRankFromParent( receivedObjects.newEdges );
faceManager.inheritGhostRankFromParent( receivedObjects.newFaces );
elemManager.forElementSubRegionsComplete< FaceElementSubRegion >( [&]( localIndex const er,
localIndex const esr,
ElementRegionBase &,
FaceElementSubRegion & subRegion )
{
subRegion.inheritGhostRankFromParentFace( faceManager, receivedObjects.newElements[{er, esr}] );
} );
MpiWrapper::waitAll( commData.size(),
commData.mpiSendBufferSizeRequest(),
commData.mpiSendBufferSizeStatus() );
MpiWrapper::waitAll( commData.size(),
commData.mpiSendBufferRequest(),
commData.mpiSendBufferSizeStatus() );
modifiedObjects.insert( receivedObjects );
//************************************************************************************************
// 3) now we need to send over:
// a) the new objects whose parents are ghosts on neighbors.
// b) the modified objects whose parents are ghosts on neighbors.
MPI_iCommData commData2( CommunicationTools::getInstance().getCommID() );
commData2.resize( neighbors.size());
for( unsigned int neighborIndex=0; neighborIndex<neighbors.size(); ++neighborIndex )
{
NeighborCommunicator & neighbor = neighbors[neighborIndex];
packNewModifiedObjectsToGhosts( &neighbor,
commData2.commID(),
mesh,
modifiedObjects );
neighbor.mpiISendReceiveBufferSizes( commData2.commID(),
commData2.mpiSendBufferSizeRequest( neighborIndex ),
commData2.mpiRecvBufferSizeRequest( neighborIndex ),
MPI_COMM_GEOSX );
}
for( unsigned int count=0; count<neighbors.size(); ++count )
{
int neighborIndex;
MpiWrapper::waitAny( commData2.size(),
commData2.mpiRecvBufferSizeRequest(),
&neighborIndex,
commData2.mpiRecvBufferSizeStatus() );
NeighborCommunicator & neighbor = neighbors[neighborIndex];
neighbor.mpiISendReceiveBuffers( commData2.commID(),
commData2.mpiSendBufferRequest( neighborIndex ),
commData2.mpiRecvBufferRequest( neighborIndex ),
MPI_COMM_GEOSX );
}
for( unsigned int count=0; count<neighbors.size(); ++count )
{
int neighborIndex = count;
if( mpiCommOrder == 0 )
{
MpiWrapper::waitAny( commData2.size(),
commData2.mpiRecvBufferRequest(),
&neighborIndex,
commData2.mpiRecvBufferStatus() );
}
else
{
MpiWrapper::wait( commData2.mpiRecvBufferRequest() + count,
commData2.mpiRecvBufferStatus() + count );
}
NeighborCommunicator & neighbor = neighbors[neighborIndex];
unpackNewModToGhosts( &neighbor, commData2.commID(), mesh, receivedObjects );
}
modifiedObjects.insert( receivedObjects );
nodeManager.fixUpDownMaps( false );
edgeManager.fixUpDownMaps( false );
faceManager.fixUpDownMaps( false );
for( localIndex er = 0; er < elemManager.numRegions(); ++er )
{
ElementRegionBase & elemRegion = elemManager.getRegion( er );
for( localIndex esr = 0; esr < elemRegion.numSubRegions(); ++esr )
{
elemRegion.getSubRegion( esr ).fixUpDownMaps( false );
}
}
elemManager.forElementSubRegionsComplete< FaceElementSubRegion >( [&]( localIndex const er,
localIndex const esr,
ElementRegionBase const &,
FaceElementSubRegion const & subRegion )
{
updateConnectorsToFaceElems( receivedObjects.newElements.at( {er, esr} ), subRegion, edgeManager );
} );
std::set< localIndex > allTouchedNodes;
allTouchedNodes.insert( modifiedObjects.newNodes.begin(), modifiedObjects.newNodes.end() );
allTouchedNodes.insert( modifiedObjects.modifiedNodes.begin(), modifiedObjects.modifiedNodes.end() );
nodeManager.depopulateUpMaps( allTouchedNodes,
edgeManager.nodeList(),
faceManager.nodeList().toViewConst(),
elemManager );
std::set< localIndex > allTouchedEdges;
allTouchedEdges.insert( modifiedObjects.newEdges.begin(), modifiedObjects.newEdges.end() );
allTouchedEdges.insert( modifiedObjects.modifiedEdges.begin(), modifiedObjects.modifiedEdges.end() );
edgeManager.depopulateUpMaps( allTouchedEdges,
faceManager.edgeList().toViewConst() );
std::set< localIndex > allTouchedFaces;
allTouchedFaces.insert( modifiedObjects.newFaces.begin(), modifiedObjects.newFaces.end() );
allTouchedFaces.insert( modifiedObjects.modifiedFaces.begin(), modifiedObjects.modifiedFaces.end() );
faceManager.depopulateUpMaps( allTouchedFaces, elemManager );
nodeManager.enforceStateFieldConsistencyPostTopologyChange( modifiedObjects.modifiedNodes );
edgeManager.enforceStateFieldConsistencyPostTopologyChange( modifiedObjects.modifiedEdges );
faceManager.enforceStateFieldConsistencyPostTopologyChange( modifiedObjects.modifiedFaces );
}
void
ParallelTopologyChange::
packNewAndModifiedObjectsToOwningRanks( NeighborCommunicator * const neighbor,
MeshLevel * const meshLevel,
ModifiedObjectLists const & modifiedObjects,
int const commID )
{
int bufferSize = 0;
NodeManager & nodeManager = meshLevel->getNodeManager();
EdgeManager & edgeManager = meshLevel->getEdgeManager();
FaceManager & faceManager = meshLevel->getFaceManager();
ElementRegionManager & elemManager = meshLevel->getElemManager();
arrayView1d< integer > const & nodeGhostRank = nodeManager.ghostRank();
arrayView1d< integer > const & edgeGhostRank = edgeManager.ghostRank();
arrayView1d< integer > const & faceGhostRank = faceManager.ghostRank();
arrayView1d< localIndex > const & parentNodeIndices = nodeManager.getExtrinsicData< extrinsicMeshData::ParentIndex >();
arrayView1d< localIndex > const & parentEdgeIndices = edgeManager.getExtrinsicData< extrinsicMeshData::ParentIndex >();
arrayView1d< localIndex > const & parentFaceIndices = faceManager.getExtrinsicData< extrinsicMeshData::ParentIndex >();
int const neighborRank = neighbor->neighborRank();
array1d< localIndex > newNodePackListArray( modifiedObjects.newNodes.size());
{
localIndex a=0;
for( auto const index : modifiedObjects.newNodes )
{
localIndex const parentNodeIndex = ObjectManagerBase::getParentRecusive( parentNodeIndices, index );
if( nodeGhostRank[parentNodeIndex] == neighborRank )
{
newNodePackListArray[a] = index;
++a;
}
}
newNodePackListArray.resize( a );
}
array1d< localIndex > modNodePackListArray( modifiedObjects.modifiedNodes.size());
{
localIndex a=0;
for( auto const index : modifiedObjects.modifiedNodes )
{
localIndex const parentNodeIndex = ObjectManagerBase::getParentRecusive( parentNodeIndices, index );
if( nodeGhostRank[parentNodeIndex] == neighborRank )
{
modNodePackListArray[a] = index;
++a;
}
}
modNodePackListArray.resize( a );
}
array1d< localIndex > newEdgePackListArray( modifiedObjects.newEdges.size());
{
localIndex a=0;
for( auto const index : modifiedObjects.newEdges )
{
localIndex const parentIndex = ObjectManagerBase::getParentRecusive( parentEdgeIndices, index );
if( edgeGhostRank[parentIndex] == neighborRank )
{
newEdgePackListArray[a] = index;
++a;
}
}
newEdgePackListArray.resize( a );
}
array1d< localIndex > modEdgePackListArray( modifiedObjects.modifiedEdges.size());
{
localIndex a=0;
for( auto const index : modifiedObjects.modifiedEdges )
{
localIndex const parentIndex = ObjectManagerBase::getParentRecusive( parentEdgeIndices, index );
if( edgeGhostRank[parentIndex] == neighborRank )
{
modEdgePackListArray[a] = index;
++a;
}
}
modEdgePackListArray.resize( a );
}
array1d< localIndex > newFacePackListArray( modifiedObjects.newFaces.size());
{
localIndex a=0;
for( auto const index : modifiedObjects.newFaces )
{
localIndex const parentIndex = ObjectManagerBase::getParentRecusive( parentFaceIndices, index );
if( faceGhostRank[parentIndex] == neighborRank )
{
newFacePackListArray[a] = index;
++a;
}
}
newFacePackListArray.resize( a );
}
array1d< localIndex > modFacePackListArray( modifiedObjects.modifiedFaces.size());
{
localIndex a=0;
for( auto const index : modifiedObjects.modifiedFaces )
{
localIndex const parentIndex = ObjectManagerBase::getParentRecusive( parentFaceIndices, index );
if( faceGhostRank[parentIndex] == neighborRank )
{
modFacePackListArray[a] = index;
++a;
}
}
modFacePackListArray.resize( a );
}
ElementRegionManager::ElementViewAccessor< arrayView1d< localIndex > > newElemPackList;
array1d< array1d< localIndex_array > > newElemData;
ElementRegionManager::ElementReferenceAccessor< localIndex_array > modElemPackList;
array1d< array1d< localIndex_array > > modElemData;
newElemPackList.resize( elemManager.numRegions());
newElemData.resize( elemManager.numRegions());
modElemPackList.resize( elemManager.numRegions());
modElemData.resize( elemManager.numRegions());
for( localIndex er=0; er<elemManager.numRegions(); ++er )
{
ElementRegionBase & elemRegion = elemManager.getRegion( er );
newElemPackList[er].resize( elemRegion.numSubRegions() );
newElemData[er].resize( elemRegion.numSubRegions() );
modElemPackList[er].resize( elemRegion.numSubRegions() );
modElemData[er].resize( elemRegion.numSubRegions() );
for( localIndex esr = 0; esr < elemRegion.numSubRegions(); ++esr )
{
ElementSubRegionBase & subRegion = elemRegion.getSubRegion( esr );
arrayView1d< integer > const & subRegionGhostRank = subRegion.ghostRank();
if( modifiedObjects.modifiedElements.count( {er, esr} ) > 0 )
{
std::set< localIndex > const & elemList = modifiedObjects.modifiedElements.at( {er, esr} );
modElemData[er][esr].resize( elemList.size() );
localIndex a=0;
for( auto const index : elemList )
{
if( subRegionGhostRank[index] == neighborRank )
{
modElemData[er][esr][a] = index;
++a;
}
}
modElemData[er][esr].resize( a );
}
if( modifiedObjects.newElements.count( {er, esr} ) > 0 )
{
std::set< localIndex > const & elemList = modifiedObjects.newElements.at( {er, esr} );
newElemData[er][esr].resize( elemList.size() );
localIndex a=0;
for( auto const index : elemList )
{
if( subRegionGhostRank[index] == neighborRank )
{
newElemData[er][esr][a] = index;
++a;
}
}
newElemData[er][esr].resize( a );
}
newElemPackList[er][esr] = newElemData[er][esr];
modElemPackList[er][esr].set( modElemData[er][esr] );
}
}
// if we start packing sizing on device + async, poll for completion
parallelDeviceEvents sizeEvents;
bufferSize += nodeManager.packGlobalMapsSize( newNodePackListArray, 0 );
bufferSize += edgeManager.packGlobalMapsSize( newEdgePackListArray, 0 );
bufferSize += faceManager.packGlobalMapsSize( newFacePackListArray, 0 );
bufferSize += elemManager.PackGlobalMapsSize( newElemPackList );
bufferSize += nodeManager.packUpDownMapsSize( newNodePackListArray );
bufferSize += edgeManager.packUpDownMapsSize( newEdgePackListArray );
bufferSize += faceManager.packUpDownMapsSize( newFacePackListArray );
bufferSize += elemManager.PackUpDownMapsSize( newElemPackList );
bufferSize += nodeManager.packParentChildMapsSize( newNodePackListArray );
bufferSize += edgeManager.packParentChildMapsSize( newEdgePackListArray );
bufferSize += faceManager.packParentChildMapsSize( newFacePackListArray );
bufferSize += nodeManager.packSize( {}, newNodePackListArray, 0, false, sizeEvents );
bufferSize += edgeManager.packSize( {}, newEdgePackListArray, 0, false, sizeEvents );
bufferSize += faceManager.packSize( {}, newFacePackListArray, 0, false, sizeEvents );
bufferSize += elemManager.PackSize( {}, newElemPackList );
bufferSize += nodeManager.packUpDownMapsSize( modNodePackListArray );
bufferSize += edgeManager.packUpDownMapsSize( modEdgePackListArray );
bufferSize += faceManager.packUpDownMapsSize( modFacePackListArray );
bufferSize += elemManager.PackUpDownMapsSize( modElemPackList );
bufferSize += nodeManager.packParentChildMapsSize( modNodePackListArray );
bufferSize += edgeManager.packParentChildMapsSize( modEdgePackListArray );
bufferSize += faceManager.packParentChildMapsSize( modFacePackListArray );
bufferSize += nodeManager.packSize( {}, modNodePackListArray, 0, false, sizeEvents );
bufferSize += edgeManager.packSize( {}, modEdgePackListArray, 0, false, sizeEvents );
bufferSize += faceManager.packSize( {}, modFacePackListArray, 0, false, sizeEvents );
waitAllDeviceEvents( sizeEvents );
neighbor->resizeSendBuffer( commID, bufferSize );
buffer_type & sendBuffer = neighbor->sendBuffer( commID );
buffer_unit_type * sendBufferPtr = sendBuffer.data();
// empty event buffer
int packedSize = 0;
parallelDeviceEvents packEvents;
packedSize += nodeManager.packGlobalMaps( sendBufferPtr, newNodePackListArray, 0 );
packedSize += edgeManager.packGlobalMaps( sendBufferPtr, newEdgePackListArray, 0 );
packedSize += faceManager.packGlobalMaps( sendBufferPtr, newFacePackListArray, 0 );
packedSize += elemManager.PackGlobalMaps( sendBufferPtr, newElemPackList );
packedSize += nodeManager.packUpDownMaps( sendBufferPtr, newNodePackListArray );
packedSize += edgeManager.packUpDownMaps( sendBufferPtr, newEdgePackListArray );
packedSize += faceManager.packUpDownMaps( sendBufferPtr, newFacePackListArray );
packedSize += elemManager.PackUpDownMaps( sendBufferPtr, newElemPackList );
packedSize += nodeManager.packParentChildMaps( sendBufferPtr, newNodePackListArray );
packedSize += edgeManager.packParentChildMaps( sendBufferPtr, newEdgePackListArray );
packedSize += faceManager.packParentChildMaps( sendBufferPtr, newFacePackListArray );
packedSize += nodeManager.pack( sendBufferPtr, {}, newNodePackListArray, 0, false, packEvents );
packedSize += edgeManager.pack( sendBufferPtr, {}, newEdgePackListArray, 0, false, packEvents );
packedSize += faceManager.pack( sendBufferPtr, {}, newFacePackListArray, 0, false, packEvents );
packedSize += elemManager.Pack( sendBufferPtr, {}, newElemPackList );
packedSize += nodeManager.packUpDownMaps( sendBufferPtr, modNodePackListArray );
packedSize += edgeManager.packUpDownMaps( sendBufferPtr, modEdgePackListArray );
packedSize += faceManager.packUpDownMaps( sendBufferPtr, modFacePackListArray );
packedSize += elemManager.PackUpDownMaps( sendBufferPtr, modElemPackList );
packedSize += nodeManager.packParentChildMaps( sendBufferPtr, modNodePackListArray );
packedSize += edgeManager.packParentChildMaps( sendBufferPtr, modEdgePackListArray );
packedSize += faceManager.packParentChildMaps( sendBufferPtr, modFacePackListArray );
packedSize += nodeManager.pack( sendBufferPtr, {}, modNodePackListArray, 0, false, packEvents );
packedSize += edgeManager.pack( sendBufferPtr, {}, modEdgePackListArray, 0, false, packEvents );
packedSize += faceManager.pack( sendBufferPtr, {}, modFacePackListArray, 0, false, packEvents );
// poll for pack completion here
waitAllDeviceEvents( packEvents );
GEOSX_ERROR_IF( bufferSize != packedSize,
"Allocated Buffer Size ("<<bufferSize<<") is not equal to packed buffer size("<<packedSize<<")" );
}
localIndex
ParallelTopologyChange::
unpackNewAndModifiedObjectsOnOwningRanks( NeighborCommunicator * const neighbor,
MeshLevel * const mesh,
int const commID,
// array1d<array1d< std::set<localIndex> > > & allNewElements,
// array1d<array1d< std::set<localIndex> > > & allModifiedElements,
ModifiedObjectLists & receivedObjects )
{
GEOSX_MARK_FUNCTION;
NodeManager & nodeManager = mesh->getNodeManager();
EdgeManager & edgeManager = mesh->getEdgeManager();
FaceManager & faceManager = mesh->getFaceManager();
ElementRegionManager & elemManager = mesh->getElemManager();
buffer_type const & receiveBuffer = neighbor->receiveBuffer( commID );
buffer_unit_type const * receiveBufferPtr = receiveBuffer.data();
localIndex_array newLocalNodes, modifiedLocalNodes;
localIndex_array newLocalEdges, modifiedLocalEdges;
localIndex_array newLocalFaces, modifiedLocalFaces;
ElementRegionManager::ElementReferenceAccessor< array1d< localIndex > > newLocalElements;
array1d< array1d< localIndex_array > > newLocalElementsData;
ElementRegionManager::ElementReferenceAccessor< localIndex_array > modifiedLocalElements;
array1d< array1d< localIndex_array > > modifiedLocalElementsData;
newLocalElements.resize( elemManager.numRegions());
newLocalElementsData.resize( elemManager.numRegions());
modifiedLocalElements.resize( elemManager.numRegions());
modifiedLocalElementsData.resize( elemManager.numRegions());
for( localIndex er=0; er<elemManager.numRegions(); ++er )
{
ElementRegionBase & elemRegion = elemManager.getRegion( er );
newLocalElements[er].resize( elemRegion.numSubRegions());
newLocalElementsData[er].resize( elemRegion.numSubRegions());
modifiedLocalElements[er].resize( elemRegion.numSubRegions());
modifiedLocalElementsData[er].resize( elemRegion.numSubRegions());
for( localIndex esr=0; esr<elemRegion.numSubRegions(); ++esr )
{
newLocalElements[er][esr].set( newLocalElementsData[er][esr] );
modifiedLocalElements[er][esr].set( modifiedLocalElementsData[er][esr] );
}
}
// if we move to device + async packing here, add polling of events or pass out
parallelDeviceEvents events;
int unpackedSize = 0;
unpackedSize += nodeManager.unpackGlobalMaps( receiveBufferPtr, newLocalNodes, 0 );
unpackedSize += edgeManager.unpackGlobalMaps( receiveBufferPtr, newLocalEdges, 0 );
unpackedSize += faceManager.unpackGlobalMaps( receiveBufferPtr, newLocalFaces, 0 );
unpackedSize += elemManager.UnpackGlobalMaps( receiveBufferPtr, newLocalElements );
unpackedSize += nodeManager.unpackUpDownMaps( receiveBufferPtr, newLocalNodes, true, true );
unpackedSize += edgeManager.unpackUpDownMaps( receiveBufferPtr, newLocalEdges, true, true );
unpackedSize += faceManager.unpackUpDownMaps( receiveBufferPtr, newLocalFaces, true, true );
unpackedSize += elemManager.UnpackUpDownMaps( receiveBufferPtr, newLocalElements, true );
unpackedSize += nodeManager.unpackParentChildMaps( receiveBufferPtr, newLocalNodes );
unpackedSize += edgeManager.unpackParentChildMaps( receiveBufferPtr, newLocalEdges );
unpackedSize += faceManager.unpackParentChildMaps( receiveBufferPtr, newLocalFaces );
unpackedSize += nodeManager.unpack( receiveBufferPtr, newLocalNodes, 0, false, events );
unpackedSize += edgeManager.unpack( receiveBufferPtr, newLocalEdges, 0, false, events );
unpackedSize += faceManager.unpack( receiveBufferPtr, newLocalFaces, 0, false, events );
unpackedSize += elemManager.Unpack( receiveBufferPtr, newLocalElements );
unpackedSize += nodeManager.unpackUpDownMaps( receiveBufferPtr, modifiedLocalNodes, false, true );
unpackedSize += edgeManager.unpackUpDownMaps( receiveBufferPtr, modifiedLocalEdges, false, true );
unpackedSize += faceManager.unpackUpDownMaps( receiveBufferPtr, modifiedLocalFaces, false, true );
unpackedSize += elemManager.UnpackUpDownMaps( receiveBufferPtr, modifiedLocalElements, true );
unpackedSize += nodeManager.unpackParentChildMaps( receiveBufferPtr, modifiedLocalNodes );
unpackedSize += edgeManager.unpackParentChildMaps( receiveBufferPtr, modifiedLocalEdges );
unpackedSize += faceManager.unpackParentChildMaps( receiveBufferPtr, modifiedLocalFaces );
unpackedSize += nodeManager.unpack( receiveBufferPtr, modifiedLocalNodes, 0, false, events );
unpackedSize += edgeManager.unpack( receiveBufferPtr, modifiedLocalEdges, 0, false, events );
unpackedSize += faceManager.unpack( receiveBufferPtr, modifiedLocalFaces, 0, false, events );
// unpackedSize += elemManager.Unpack( receiveBufferPtr, modifiedElements );
waitAllDeviceEvents( events );
std::set< localIndex > & allNewNodes = receivedObjects.newNodes;
std::set< localIndex > & allModifiedNodes = receivedObjects.modifiedNodes;
std::set< localIndex > & allNewEdges = receivedObjects.newEdges;
std::set< localIndex > & allModifiedEdges = receivedObjects.modifiedEdges;
std::set< localIndex > & allNewFaces = receivedObjects.newFaces;
std::set< localIndex > & allModifiedFaces = receivedObjects.modifiedFaces;
map< std::pair< localIndex, localIndex >, std::set< localIndex > > & allNewElements = receivedObjects.newElements;
map< std::pair< localIndex, localIndex >, std::set< localIndex > > & allModifiedElements = receivedObjects.modifiedElements;
allNewNodes.insert( newLocalNodes.begin(), newLocalNodes.end() );
allModifiedNodes.insert( modifiedLocalNodes.begin(), modifiedLocalNodes.end() );
allNewEdges.insert( newLocalEdges.begin(), newLocalEdges.end() );
allModifiedEdges.insert( modifiedLocalEdges.begin(), modifiedLocalEdges.end() );
allNewFaces.insert( newLocalFaces.begin(), newLocalFaces.end() );
allModifiedFaces.insert( modifiedLocalFaces.begin(), modifiedLocalFaces.end() );
for( localIndex er=0; er<elemManager.numRegions(); ++er )
{
ElementRegionBase & elemRegion = elemManager.getRegion( er );
for( localIndex esr = 0; esr < elemRegion.numSubRegions(); ++esr )
{
allNewElements[{er, esr}].insert( newLocalElements[er][esr].get().begin(),
newLocalElements[er][esr].get().end() );
allModifiedElements[{er, esr}].insert( modifiedLocalElements[er][esr].get().begin(),
modifiedLocalElements[er][esr].get().end() );
}
}
return unpackedSize;
}
static void FilterNewObjectsForPackToGhosts( std::set< localIndex > const & objectList,
arrayView1d< localIndex > const & parentIndices,
localIndex_array & ghostsToSend,
localIndex_array & objectsToSend )
{
ghostsToSend.move( LvArray::MemorySpace::host );
//TODO this needs to be inverted since the ghostToSend list should be much longer....
// and the objectList is a searchable set.
for( auto const index : objectList )
{
localIndex const parentIndex = parentIndices[index];
for( localIndex a=0; a<ghostsToSend.size(); ++a )
{
if( ghostsToSend[a]==parentIndex )
{
objectsToSend.emplace_back( index );
ghostsToSend.emplace_back( index );
break;
}
}
}
}
static void FilterModObjectsForPackToGhosts( std::set< localIndex > const & objectList,
localIndex_array const & ghostsToSend,
localIndex_array & objectsToSend )
{
ghostsToSend.move( LvArray::MemorySpace::host );
for( localIndex a=0; a<ghostsToSend.size(); ++a )
{
if( objectList.count( ghostsToSend[a] ) > 0 )
{
objectsToSend.emplace_back( ghostsToSend[a] );
}
}
}
void ParallelTopologyChange::packNewModifiedObjectsToGhosts( NeighborCommunicator * const neighbor,
int commID,
MeshLevel * const mesh,
ModifiedObjectLists & receivedObjects )
{
NodeManager & nodeManager = mesh->getNodeManager();
EdgeManager & edgeManager = mesh->getEdgeManager();
FaceManager & faceManager = mesh->getFaceManager();
ElementRegionManager & elemManager = mesh->getElemManager();
localIndex_array newNodesToSend;
localIndex_array newEdgesToSend;
localIndex_array newFacesToSend;
ElementRegionManager::ElementViewAccessor< arrayView1d< localIndex > > newElemsToSend;
array1d< array1d< localIndex_array > > newElemsToSendData;
localIndex_array modNodesToSend;
localIndex_array modEdgesToSend;
localIndex_array modFacesToSend;
ElementRegionManager::ElementReferenceAccessor< localIndex_array > modElemsToSend;
array1d< array1d< localIndex_array > > modElemsToSendData;
localIndex_array & nodeGhostsToSend = nodeManager.getNeighborData( neighbor->neighborRank() ).ghostsToSend();
localIndex_array & edgeGhostsToSend = edgeManager.getNeighborData( neighbor->neighborRank() ).ghostsToSend();
localIndex_array & faceGhostsToSend = faceManager.getNeighborData( neighbor->neighborRank() ).ghostsToSend();
arrayView1d< localIndex > const & nodalParentIndices = nodeManager.getExtrinsicData< extrinsicMeshData::ParentIndex >();
arrayView1d< localIndex > const & edgeParentIndices = edgeManager.getExtrinsicData< extrinsicMeshData::ParentIndex >();
arrayView1d< localIndex > const & faceParentIndices = faceManager.getExtrinsicData< extrinsicMeshData::ParentIndex >();
FilterNewObjectsForPackToGhosts( receivedObjects.newNodes, nodalParentIndices, nodeGhostsToSend, newNodesToSend );
FilterModObjectsForPackToGhosts( receivedObjects.modifiedNodes, nodeGhostsToSend, modNodesToSend );
FilterNewObjectsForPackToGhosts( receivedObjects.newEdges, edgeParentIndices, edgeGhostsToSend, newEdgesToSend );
FilterModObjectsForPackToGhosts( receivedObjects.modifiedEdges, edgeGhostsToSend, modEdgesToSend );
FilterNewObjectsForPackToGhosts( receivedObjects.newFaces, faceParentIndices, faceGhostsToSend, newFacesToSend );
FilterModObjectsForPackToGhosts( receivedObjects.modifiedFaces, faceGhostsToSend, modFacesToSend );
SortedArray< localIndex > faceGhostsToSendSet;
for( localIndex const & kf : faceGhostsToSend )
{
faceGhostsToSendSet.insert( kf );
}
newElemsToSendData.resize( elemManager.numRegions() );
newElemsToSend.resize( elemManager.numRegions() );
modElemsToSendData.resize( elemManager.numRegions() );
modElemsToSend.resize( elemManager.numRegions() );
for( localIndex er=0; er<elemManager.numRegions(); ++er )
{
ElementRegionBase & elemRegion = elemManager.getRegion( er );
newElemsToSendData[er].resize( elemRegion.numSubRegions() );
newElemsToSend[er].resize( elemRegion.numSubRegions() );
modElemsToSendData[er].resize( elemRegion.numSubRegions() );
modElemsToSend[er].resize( elemRegion.numSubRegions() );
elemRegion.forElementSubRegionsIndex< FaceElementSubRegion >( [&]( localIndex const esr,
FaceElementSubRegion & subRegion )
{
FaceElementSubRegion::FaceMapType const & faceList = subRegion.faceList();
localIndex_array & elemGhostsToSend = subRegion.getNeighborData( neighbor->neighborRank() ).ghostsToSend();
for( localIndex const & k : receivedObjects.newElements.at( {er, esr} ) )
{
if( faceGhostsToSendSet.count( faceList( k, 0 ) ) )
{
newElemsToSendData[er][esr].emplace_back( k );
elemGhostsToSend.emplace_back( k );
}
}
newElemsToSend[er][esr] = newElemsToSendData[er][esr];
} );
elemRegion.forElementSubRegionsIndex< ElementSubRegionBase >( [&]( localIndex const esr,
ElementSubRegionBase const & subRegion )
{
modElemsToSend[er][esr].set( modElemsToSendData[er][esr] );
arrayView1d< localIndex const > const & elemGhostsToSend = subRegion.getNeighborData( neighbor->neighborRank() ).ghostsToSend();
for( localIndex const ghostToSend : elemGhostsToSend )
{
if( receivedObjects.modifiedElements.at( { er, esr } ).count( ghostToSend ) > 0 )
{
modElemsToSendData[er][esr].emplace_back( ghostToSend );
}
}
} );
}
parallelDeviceEvents sizeEvents;
int bufferSize = 0;
bufferSize += nodeManager.packGlobalMapsSize( newNodesToSend, 0 );
bufferSize += edgeManager.packGlobalMapsSize( newEdgesToSend, 0 );
bufferSize += faceManager.packGlobalMapsSize( newFacesToSend, 0 );
bufferSize += elemManager.PackGlobalMapsSize( newElemsToSend );
bufferSize += nodeManager.packUpDownMapsSize( newNodesToSend );
bufferSize += edgeManager.packUpDownMapsSize( newEdgesToSend );
bufferSize += faceManager.packUpDownMapsSize( newFacesToSend );
bufferSize += elemManager.PackUpDownMapsSize( newElemsToSend );
bufferSize += nodeManager.packParentChildMapsSize( newNodesToSend );
bufferSize += edgeManager.packParentChildMapsSize( newEdgesToSend );
bufferSize += faceManager.packParentChildMapsSize( newFacesToSend );
bufferSize += nodeManager.packSize( {}, newNodesToSend, 0, false, sizeEvents );
bufferSize += edgeManager.packSize( {}, newEdgesToSend, 0, false, sizeEvents );
bufferSize += faceManager.packSize( {}, newFacesToSend, 0, false, sizeEvents );
bufferSize += elemManager.PackSize( {}, newElemsToSend );
bufferSize += nodeManager.packUpDownMapsSize( modNodesToSend );
bufferSize += edgeManager.packUpDownMapsSize( modEdgesToSend );
bufferSize += faceManager.packUpDownMapsSize( modFacesToSend );
bufferSize += elemManager.PackUpDownMapsSize( modElemsToSend );
bufferSize += nodeManager.packParentChildMapsSize( modNodesToSend );
bufferSize += edgeManager.packParentChildMapsSize( modEdgesToSend );
bufferSize += faceManager.packParentChildMapsSize( modFacesToSend );
waitAllDeviceEvents( sizeEvents );
neighbor->resizeSendBuffer( commID, bufferSize );
buffer_type & sendBuffer = neighbor->sendBuffer( commID );
buffer_unit_type * sendBufferPtr = sendBuffer.data();
parallelDeviceEvents packEvents;
int packedSize = 0;
packedSize += nodeManager.packGlobalMaps( sendBufferPtr, newNodesToSend, 0 );
packedSize += edgeManager.packGlobalMaps( sendBufferPtr, newEdgesToSend, 0 );
packedSize += faceManager.packGlobalMaps( sendBufferPtr, newFacesToSend, 0 );
packedSize += elemManager.PackGlobalMaps( sendBufferPtr, newElemsToSend );
packedSize += nodeManager.packUpDownMaps( sendBufferPtr, newNodesToSend );
packedSize += edgeManager.packUpDownMaps( sendBufferPtr, newEdgesToSend );
packedSize += faceManager.packUpDownMaps( sendBufferPtr, newFacesToSend );
packedSize += elemManager.PackUpDownMaps( sendBufferPtr, newElemsToSend );
packedSize += nodeManager.packParentChildMaps( sendBufferPtr, newNodesToSend );
packedSize += edgeManager.packParentChildMaps( sendBufferPtr, newEdgesToSend );
packedSize += faceManager.packParentChildMaps( sendBufferPtr, newFacesToSend );
packedSize += nodeManager.pack( sendBufferPtr, {}, newNodesToSend, 0, false, packEvents );
packedSize += edgeManager.pack( sendBufferPtr, {}, newEdgesToSend, 0, false, packEvents );
packedSize += faceManager.pack( sendBufferPtr, {}, newFacesToSend, 0, false, packEvents );
packedSize += elemManager.Pack( sendBufferPtr, {}, newElemsToSend );
packedSize += nodeManager.packUpDownMaps( sendBufferPtr, modNodesToSend );
packedSize += edgeManager.packUpDownMaps( sendBufferPtr, modEdgesToSend );
packedSize += faceManager.packUpDownMaps( sendBufferPtr, modFacesToSend );
packedSize += elemManager.PackUpDownMaps( sendBufferPtr, modElemsToSend );
packedSize += nodeManager.packParentChildMaps( sendBufferPtr, modNodesToSend );
packedSize += edgeManager.packParentChildMaps( sendBufferPtr, modEdgesToSend );
packedSize += faceManager.packParentChildMaps( sendBufferPtr, modFacesToSend );
GEOSX_ERROR_IF( bufferSize != packedSize, "Allocated Buffer Size is not equal to packed buffer size" );
waitAllDeviceEvents( packEvents );
}
void ParallelTopologyChange::unpackNewModToGhosts( NeighborCommunicator * const neighbor,
int commID,
MeshLevel * const mesh,
ModifiedObjectLists & receivedObjects )
{
int unpackedSize = 0;
NodeManager & nodeManager = mesh->getNodeManager();
EdgeManager & edgeManager = mesh->getEdgeManager();
FaceManager & faceManager = mesh->getFaceManager();
ElementRegionManager & elemManager = mesh->getElemManager();
localIndex_array & nodeGhostsToRecv = nodeManager.getNeighborData( neighbor->neighborRank() ).ghostsToReceive();
localIndex_array & edgeGhostsToRecv = edgeManager.getNeighborData( neighbor->neighborRank() ).ghostsToReceive();
localIndex_array & faceGhostsToRecv = faceManager.getNeighborData( neighbor->neighborRank() ).ghostsToReceive();
buffer_type const & receiveBuffer = neighbor->receiveBuffer( commID );
buffer_unit_type const * receiveBufferPtr = receiveBuffer.data();
localIndex_array newGhostNodes;
localIndex_array newGhostEdges;
localIndex_array newGhostFaces;
localIndex_array modGhostNodes;
localIndex_array modGhostEdges;
localIndex_array modGhostFaces;
ElementRegionManager::ElementReferenceAccessor< localIndex_array > newGhostElems;
array1d< array1d< localIndex_array > > newGhostElemsData;
ElementRegionManager::ElementReferenceAccessor< localIndex_array > modGhostElems;
array1d< array1d< localIndex_array > > modGhostElemsData;
newGhostElems.resize( elemManager.numRegions() );
newGhostElemsData.resize( elemManager.numRegions() );
modGhostElems.resize( elemManager.numRegions() );
modGhostElemsData.resize( elemManager.numRegions() );
for( localIndex er=0; er<elemManager.numRegions(); ++er )
{
ElementRegionBase & elemRegion = elemManager.getRegion( er );
newGhostElemsData[er].resize( elemRegion.numSubRegions() );
newGhostElems[er].resize( elemRegion.numSubRegions() );
modGhostElemsData[er].resize( elemRegion.numSubRegions() );
modGhostElems[er].resize( elemRegion.numSubRegions() );
for( localIndex esr=0; esr<elemRegion.numSubRegions(); ++esr )
{
newGhostElems[er][esr].set( newGhostElemsData[er][esr] );
modGhostElems[er][esr].set( modGhostElemsData[er][esr] );
}
}
// if we move to device + async unoacking, poll these events for completion or pass out
parallelDeviceEvents events;
unpackedSize += nodeManager.unpackGlobalMaps( receiveBufferPtr, newGhostNodes, 0 );
unpackedSize += edgeManager.unpackGlobalMaps( receiveBufferPtr, newGhostEdges, 0 );
unpackedSize += faceManager.unpackGlobalMaps( receiveBufferPtr, newGhostFaces, 0 );
unpackedSize += elemManager.UnpackGlobalMaps( receiveBufferPtr, newGhostElems );
unpackedSize += nodeManager.unpackUpDownMaps( receiveBufferPtr, newGhostNodes, true, true );
unpackedSize += edgeManager.unpackUpDownMaps( receiveBufferPtr, newGhostEdges, true, true );
unpackedSize += faceManager.unpackUpDownMaps( receiveBufferPtr, newGhostFaces, true, true );
unpackedSize += elemManager.UnpackUpDownMaps( receiveBufferPtr, newGhostElems, true );
unpackedSize += nodeManager.unpackParentChildMaps( receiveBufferPtr, newGhostNodes );
unpackedSize += edgeManager.unpackParentChildMaps( receiveBufferPtr, newGhostEdges );
unpackedSize += faceManager.unpackParentChildMaps( receiveBufferPtr, newGhostFaces );
unpackedSize += nodeManager.unpack( receiveBufferPtr, newGhostNodes, 0, false, events );
unpackedSize += edgeManager.unpack( receiveBufferPtr, newGhostEdges, 0, false, events );
unpackedSize += faceManager.unpack( receiveBufferPtr, newGhostFaces, 0, false, events );
unpackedSize += elemManager.Unpack( receiveBufferPtr, newGhostElems );
unpackedSize += nodeManager.unpackUpDownMaps( receiveBufferPtr, modGhostNodes, false, true );
unpackedSize += edgeManager.unpackUpDownMaps( receiveBufferPtr, modGhostEdges, false, true );
unpackedSize += faceManager.unpackUpDownMaps( receiveBufferPtr, modGhostFaces, false, true );
unpackedSize += elemManager.UnpackUpDownMaps( receiveBufferPtr, modGhostElems, true );
unpackedSize += nodeManager.unpackParentChildMaps( receiveBufferPtr, modGhostNodes );
unpackedSize += edgeManager.unpackParentChildMaps( receiveBufferPtr, modGhostEdges );
unpackedSize += faceManager.unpackParentChildMaps( receiveBufferPtr, modGhostFaces );
waitAllDeviceEvents( events );
if( newGhostNodes.size() > 0 )
{
nodeGhostsToRecv.move( LvArray::MemorySpace::host );
for( localIndex a=0; a<newGhostNodes.size(); ++a )
{
nodeGhostsToRecv.emplace_back( newGhostNodes[a] );
}
}
if( newGhostEdges.size() > 0 )
{
edgeGhostsToRecv.move( LvArray::MemorySpace::host );
for( localIndex a=0; a<newGhostEdges.size(); ++a )
{
edgeGhostsToRecv.emplace_back( newGhostEdges[a] );
}
}
if( newGhostFaces.size() > 0 )
{
faceGhostsToRecv.move( LvArray::MemorySpace::host );
for( localIndex a=0; a<newGhostFaces.size(); ++a )
{
faceGhostsToRecv.emplace_back( newGhostFaces[a] );
}
}
elemManager.forElementSubRegionsComplete< ElementSubRegionBase >(
[&]( localIndex const er, localIndex const esr, ElementRegionBase &, ElementSubRegionBase & subRegion )
{
localIndex_array & elemGhostsToReceive = subRegion.getNeighborData( neighbor->neighborRank() ).ghostsToReceive();
if( newGhostElemsData[er][esr].size() > 0 )
{
elemGhostsToReceive.move( LvArray::MemorySpace::host );
for( localIndex const & newElemIndex : newGhostElemsData[er][esr] )
{
elemGhostsToReceive.emplace_back( newElemIndex );
receivedObjects.newElements[ { er, esr } ].insert( newElemIndex );
}
}
receivedObjects.modifiedElements[ { er, esr } ].insert( modGhostElemsData[er][esr].begin(),
modGhostElemsData[er][esr].end() );
} );
receivedObjects.newNodes.insert( newGhostNodes.begin(), newGhostNodes.end() );
receivedObjects.modifiedNodes.insert( modGhostNodes.begin(), modGhostNodes.end() );
receivedObjects.newEdges.insert( newGhostEdges.begin(), newGhostEdges.end() );
receivedObjects.modifiedEdges.insert( modGhostEdges.begin(), modGhostEdges.end() );
receivedObjects.newFaces.insert( newGhostFaces.begin(), newGhostFaces.end() );
receivedObjects.modifiedFaces.insert( modGhostFaces.begin(), modGhostFaces.end() );
}
void ParallelTopologyChange::updateConnectorsToFaceElems( std::set< localIndex > const & newFaceElements,
FaceElementSubRegion const & faceElemSubRegion,
EdgeManager & edgeManager )
{
ArrayOfArrays< localIndex > & connectorToElem = edgeManager.m_fractureConnectorEdgesToFaceElements;
map< localIndex, localIndex > & edgesToConnectorEdges = edgeManager.m_edgesToFractureConnectorsEdges;
array1d< localIndex > & connectorEdgesToEdges = edgeManager.m_fractureConnectorsEdgesToEdges;
ArrayOfArraysView< localIndex const > const facesToEdges = faceElemSubRegion.edgeList().toViewConst();
for( localIndex const & kfe : newFaceElements )
{
arraySlice1d< localIndex const > const faceToEdges = facesToEdges[kfe];
for( localIndex ke=0; ke<faceToEdges.size(); ++ke )
{
localIndex const edgeIndex = faceToEdges[ke];
auto connIter = edgesToConnectorEdges.find( edgeIndex );
if( connIter==edgesToConnectorEdges.end() )
{
connectorToElem.appendArray( 0 );
connectorEdgesToEdges.emplace_back( edgeIndex );
edgesToConnectorEdges[edgeIndex] = connectorEdgesToEdges.size() - 1;
}
localIndex const connectorIndex = edgesToConnectorEdges.at( edgeIndex );
localIndex const numExistingCells = connectorToElem.sizeOfArray( connectorIndex );
bool cellExistsInMap = false;
for( localIndex k=0; k<numExistingCells; ++k )
{
if( kfe == connectorToElem[connectorIndex][k] )
{
cellExistsInMap = true;
}
}
if( !cellExistsInMap )
{