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verGhostPtrInitialization is now parallelized

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StefanoPetrilli
2022-05-01 06:05:16 -05:00
parent 7d40fde21d
commit 8f6dc5fac2
1 changed files with 21 additions and 0 deletions
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amgprec/impl/aggregator/algoDistEdgeApproxDomEdgesLinearSearchMesgBndlSmallMateC.cpp
+21
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@@ -248,12 +248,33 @@ void dalgoDistEdgeApproxDomEdgesLinearSearchMesgBndlSmallMateC(
#ifdef PRINT_DEBUG_INFO_
cout<<"\n("<<myRank<<")Ghost Vertex Pointer: "; fflush(stdout);
#endif
#define TIME_TRACKER
#ifdef TIME_TRACKER
double verGhostPtrInitialization = MPI_Wtime();
#endif
/*
* OMP verGhostPtrInitialization
*
*/
#pragma omp parallel for default(shared)
for ( i=0; i<numGhostVertices; i++ ) { //O(|Ghost Vertices|)
verGhostPtr[i+1] = verGhostPtr[i] + Counter[i];
#ifdef PRINT_DEBUG_INFO_
cout<<verGhostPtr[i]<<"\t"; fflush(stdout);
#endif
}
#ifdef TIME_TRACKER
verGhostPtrInitialization = MPI_Wtime() - verGhostPtrInitialization;
fprintf(stderr, "verGhostPtrInitialization time: %f\n", verGhostPtrInitialization);
#endif
#undef TIME_TRACKER
#ifdef PRINT_DEBUG_INFO_
if ( numGhostVertices > 0 )
cout<<verGhostPtr[numGhostVertices]<<"\n";