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Revert OpenMP for detection of faults

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The use of OpenMP is not stable, and produce wrong geometry in some cases.
This commit is contained in:
Magne Sjaastad 2022-12-21 10:24:28 +01:00
parent e815a02758
commit f731153c22
1 changed files with 15 additions and 40 deletions
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55
ApplicationLibCode/ReservoirDataModel/RigMainGrid.cpp
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@ -467,39 +467,18 @@ void RigMainGrid::calculateFaults( const RigActiveCellInfo* activeCellInfo )
const std::vector<cvf::Vec3d>& vxs = m_mainGrid->nodes();
int numberOfThreads = RiaOpenMPTools::availableThreadCount();
std::vector<std::vector<RigFault::FaultFace>> threadFaultFaces( numberOfThreads );
std::vector<std::vector<RigFault::FaultFace>> threadInactiveFaultFaces( numberOfThreads );
#pragma omp parallel
{
int myThread = RiaOpenMPTools::currentThreadIndex();
// NB! We are inside a parallel section, do not use "parallel for" here
#pragma omp for
for ( int gcIdx = 0; gcIdx < static_cast<int>( m_cells.size() ); ++gcIdx )
{
addUnNamedFaultFaces( gcIdx,
activeCellInfo,
vxs,
unNamedFaultIdx,
unNamedFaultWithInactiveIdx,
threadFaultFaces[myThread],
threadInactiveFaultFaces[myThread],
m_faultsPrCellAcc.p() );
}
}
std::vector<RigFault::FaultFace>& unNamedFaultFaces = unNamedFault->faultFaces();
std::vector<RigFault::FaultFace>& unNamedFaultFacesInactive = unNamedFaultWithInactive->faultFaces();
for ( int i = 0; i < numberOfThreads; i++ )
for ( int gcIdx = 0; gcIdx < static_cast<int>( m_cells.size() ); ++gcIdx )
{
unNamedFaultFaces.insert( unNamedFaultFaces.end(), threadFaultFaces[i].begin(), threadFaultFaces[i].end() );
unNamedFaultFacesInactive.insert( unNamedFaultFacesInactive.end(),
threadInactiveFaultFaces[i].begin(),
threadInactiveFaultFaces[i].end() );
addUnNamedFaultFaces( gcIdx,
activeCellInfo,
vxs,
unNamedFaultIdx,
unNamedFaultWithInactiveIdx,
unNamedFaultFaces,
unNamedFaultFacesInactive,
m_faultsPrCellAcc.p() );
}
}
@ -592,16 +571,8 @@ void RigMainGrid::addUnNamedFaultFaces( int gcIdx,
int faultIdx = unNamedFaultIdx;
if ( !( isCellActive && isNeighborCellActive ) ) faultIdx = unNamedFaultWithInactiveIdx;
#pragma omp critical( faultsPrCellAcc_modification )
{
// Best practice is to avoid critical sections. The number of cells related to a fault is usually very
// small compared to the total number of cells, so the performance of this function should be good. The
// main computation is related to the 'pointDistance' functions above. The refactoring of this structure
// to avoid critical section is considered too much compared to the gain.
faultsPrCellAcc->setFaultIdx( gcIdx, face, faultIdx );
faultsPrCellAcc->setFaultIdx( neighborReservoirCellIdx, StructGridInterface::oppositeFace( face ), faultIdx );
}
faultsPrCellAcc->setFaultIdx( gcIdx, face, faultIdx );
faultsPrCellAcc->setFaultIdx( neighborReservoirCellIdx, StructGridInterface::oppositeFace( face ), faultIdx );
// Add as fault face only if the grid index is less than the neighbors
@ -617,6 +588,10 @@ void RigMainGrid::addUnNamedFaultFaces( int gcIdx,
unNamedFaultFacesInactive.push_back( ff );
}
}
else
{
CVF_FAIL_MSG( "Found fault with global neighbor index less than the native index. " );
}
}
}
}