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amg4psblas/amgprec/impl/aggregator/processCrossEdge.cpp

26 lines
605 B
C++

#include "MatchBoxPC.h"
#ifdef OPENMP
void PROCESS_CROSS_EDGE(MilanLongInt *edge,
MilanLongInt *S)
{
// Start: PARALLEL_PROCESS_CROSS_EDGE_B
MilanLongInt captureCounter;
#pragma omp atomic capture
captureCounter = --(*edge); // Decrement
//assert(captureCounter >= 0);
if (captureCounter == 0)
#pragma omp atomic
(*S)--; // Decrement S
#ifdef PRINT_DEBUG_INFO_
cout << "\n(" << myRank << ")Decrementing S: Ghost vertex " << edge << " has received all its messages";
fflush(stdout);
#endif
// End: PARALLEL_PROCESS_CROSS_EDGE_B
}
#endif