Jack,
note that support for THREAD_MULTIPLE is available in [newer] versions of open
MPI, but disabled by default. You have to enable it by configuring, in 1.6:
--enable-mpi-thread-multiple
Enable MPI_THREAD_MULTIPLE support (default:
disabl
Jeff Squyres cisco.com> writes:
>
> On Oct 31, 2007, at 9:52 PM, Neeraj Chourasia wrote:
>
> > but the program is running on TCP interconnect with same
> > datasize and also on IB with small datasize say 1MB. So i dont
> > think problem is in OpenMPI, it has to do something with IB logi
On Oct 31, 2007, at 9:52 PM, Neeraj Chourasia wrote:
but the program is running on TCP interconnect with same
datasize and also on IB with small datasize say 1MB. So i dont
think problem is in OpenMPI, it has to do something with IB logic,
which probably doesnt work well with threads.
Thanks for your reply, but the program is running on TCP
interconnect with same datasize and also on IB with small datasize say 1MB. So
i dont think problem is in OpenMPI, it has to do something with IB logic, which
probably doesnt work well with threads.I also tried the program with
MPI_THR
