Re: [OMPI users] OpenMP and OpenMPI Issue

2007-10-31 Thread Jeff Squyres
THREAD_MULTIPLE support does not work in the 1.2 series. Try turning it off. On Oct 30, 2007, at 12:17 AM, Neeraj Chourasia wrote: Hi folks, I have been seeing some nasty behaviour in MPI_Send/Recv with large dataset(8 MB), when used with OpenMP and Openmpi together with IB Int

[OMPI users] OpenMP and OpenMPI Issue

2007-10-30 Thread Neeraj Chourasia
Hi folks,    I have been seeing some nasty behaviour in MPI_Send/Recv with large dataset(8 MB), when used with OpenMP and Openmpi together with IB Interconnect. Attached is a program.       The code first calls MPI_Init_thread() followed by openmp thread creation API. The program works fine