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Merge branch 'develop' of https://github.com/paboyle/Grid into develop

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paboyle 2018-02-20 14:29:26 +00:00
commit 2dd63aa7a4
1 changed files with 4 additions and 1 deletions
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5
lib/communicator/Communicator_mpi3.cc
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@ -44,7 +44,10 @@ void CartesianCommunicator::Init(int *argc, char ***argv)
MPI_Initialized(&flag); // needed to coexist with other libs apparently MPI_Initialized(&flag); // needed to coexist with other libs apparently
if ( !flag ) { if ( !flag ) {
MPI_Init_thread(argc,argv,MPI_THREAD_MULTIPLE,&provided); MPI_Init_thread(argc,argv,MPI_THREAD_MULTIPLE,&provided);
assert (provided == MPI_THREAD_MULTIPLE); //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) ||
(nCommThreads > 1 && provided != MPI_THREAD_MULTIPLE) )
assert(0);
} }
Grid_quiesce_nodes(); Grid_quiesce_nodes();