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switch back to standard MPI_init due to wrong results in Benchmark_wilson using comms-overlap

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nmeyer-ur 2020-06-15 14:21:38 +02:00
parent a25e4b3d0c
commit cc958aa9ed
1 changed files with 5 additions and 2 deletions
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7
Grid/communicator/Communicator_mpi3.cc
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@ -54,8 +54,11 @@ void CartesianCommunicator::Init(int *argc, char ***argv)
#if defined (TOFU) // FUGAKU, credits go to Issaku Kanamori
nCommThreads=1;
//MPI_Init(argc,argv);
MPI_Init_thread(argc,argv,MPI_THREAD_SERIALIZED,&provided);
MPI_Init(argc,argv);
// comms-overlap leads to wrong results in Benchmark_wilson even on single node MPI runs
// other comms schemes are ok
//MPI_Init_thread(argc,argv,MPI_THREAD_SERIALIZED,&provided);
#else
MPI_Init_thread(argc,argv,MPI_THREAD_MULTIPLE,&provided);
#endif