portelli/Grid
1
0
Fork 0
mirror of https://github.com/paboyle/Grid.git synced 2024-11-10 07:55:35 +00:00
Code Releases Activity

switch to MPI_THREAD_SERIALIZED instead of SINGLE

Browse Source
This commit is contained in:
nmeyer-ur 2020-05-27 14:08:34 +02:00
parent 6ddcef1bca
commit 4fedd8d29f
1 changed files with 3 additions and 3 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

6
Grid/communicator/Communicator_mpi3.cc
View File

@ -54,10 +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(argc,argv);
MPI_Init_thread(argc,argv,MPI_THREAD_SERIALIZED,&provided);
#else
MPI_Init_thread(argc,argv,MPI_THREAD_MULTIPLE,&provided);
#endif
//If only 1 comms thread we require any threading mode other than SINGLE, but for multiple comms threads we need MULTIPLE
if( (nCommThreads == 1) && (provided == MPI_THREAD_SINGLE) ) {
assert(0);
@ -66,7 +67,6 @@ void CartesianCommunicator::Init(int *argc, char ***argv)
if( (nCommThreads > 1) && (provided != MPI_THREAD_MULTIPLE) ) {
assert(0);
}
#endif
}
// Never clean up as done once.