[mvapich-discuss] MPI_THREAD_MULTIPLE not working

[Justin Luitjens]

I am trying to get MPI_THREAD_MULTIPLE working in mvapich2-2.0a.  I have configured with the following options:

./configure --prefix=/home/jluitjens/libs/mvapich/ --enable-threads=runtime --enable-cuda --enable-shared --with-cuda=/shared/apps/cuda/CUDA-v5.5.22

This configures and builds fine.  However, when I try a simple application I see that I do not get MPI_THREAD_MULTIPLE support.

#include <stdio.h>
int main(int argc, char** argv) {

  int provided;
  MPI_Init_thread(&argc,&argv,MPI_THREAD_MULTIPLE,&provided);
  if(provided!=MPI_THREAD_MULTIPLE) {
    printf("Error thread level requested: %d, provided: %d\n", MPI_THREAD_MULTIPLE,provided);
   exit(0);
  }
}

I have also tried the configure option --enable-threads=multiple and that did not help.

Do you have any suggestions on configure options I should try to get MPI_THREAD_MULTIPLE to work?

Thanks,
Justin


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