Re: [OMPI users] IMB Sendrecv hangs with OpenMPI 1.6.5 and XRC

2014-04-23 Thread Sasso, John (GE Power & Water, Non-GE)
--Original Message- From: users [mailto:users-boun...@open-mpi.org] On Behalf Of Jeff Squyres (jsquyres) Sent: Wednesday, April 23, 2014 11:19 AM To: Open MPI Users Subject: Re: [OMPI users] IMB Sendrecv hangs with OpenMPI 1.6.5 and XRC A few suggestions: - Try using Open MPI 1.8.1. It&#x

Re: [OMPI users] IMB Sendrecv hangs with OpenMPI 1.6.5 and XRC

2014-04-23 Thread Jeff Squyres (jsquyres)
A few suggestions: - Try using Open MPI 1.8.1. It's the newest release, and has many improvements since the 1.6.x series. - Try using "--mca btl openib,sm,self" (in both v1.6.x and v1.8.x). This allows Open MPI to use shared memory to communicate between processes on the same server, which c

[OMPI users] IMB Sendrecv hangs with OpenMPI 1.6.5 and XRC

2014-04-23 Thread Sasso, John (GE Power & Water, Non-GE)
I am running IMB (Intel MPI Benchmarks), the MPI-1 benchmarks, which was built with Intel 12.1 compiler suite and OpenMPI 1.6.5 (and running w/ OMPI 1.6.5). I decided to use the following for the mca parameters: --mca btl openib,tcp,self --mca btl_openib_receive_queues X,9216,256,128,32:X,6553