On 10/28/13 5:22 AM, "Luis Kornblueh" <luis.kornbl...@mpimet.mpg.de> wrote:
>My question would be to all openmpi power users and developers, what >would be required to get this properly running. > >In case it is required to give more information, please come back to me. >Maybe the explanation what we do is insufficient. Open MPI 1.6 (and 1.7) has a very basic, non-RDMA based one-sided implementation. If you're using InfiniBand and your gets are contiguous, you can try adding "-mca osc_rdma_use_rdma 1" to the mpirun command line. Brian -- Brian W. Barrett Scalable System Software Group Sandia National Laboratories