Re: [OMPI users] UCX and MPI_THREAD_MULTIPLE

2019-08-27 Thread Paul Edmon via users
It's the public source.  The one I'm testing with is the latest internal version.  I'm going to cc Pete Mendygral and Julius Donnert on this as they may be able to provide you the version I'm using (as it is not ready for public use). -Paul Edmon- On 8/26/19 9:20 PM, Joshua Ladd wrote: **apr

[OMPI users] OpenMPI slowdown in latency bound application

2019-08-27 Thread Cooper Burns via users
Hello all, I have been doing some MPI benchmarking on an Infiniband cluster. Specs are: 12 cores/node 2.9ghz/core Infiniband interconnect (TCP also available) Some runtime numbers: 192 cores total: (16 nodes) IntelMPI: 0.4 seconds OpenMPI 3.1.3 (--mca btl ^tcp): 2.5 seconds OpenMPI 3.1.3 (--mca