Re: [OMPI users] users Digest, Vol 4818, Issue 1

essor cores In all the above cases, if you want PRRTE to default to the number of hardware threads instead of the number of processor cores, use the --use-hwthread-cpus option. Alternatively, you can use the --map-by :OVERSUBSCRIBE option to ignore the number of available slots when deciding the num

Re: [OMPI users] users Digest, Vol 4818, Issue 1

se the --use-hwthread-cpus option. Alternatively, you can use the --map-by :OVERSUBSCRIBE option to ignore the number of available slots when deciding the number of processes to launch. -- next part -- An HTML attachment was scrubbed... URL:<https://lists.open-mpi.org/mailman/

Re: [OMPI users] Tracing of openmpi internal functions

Open MPI uses plug-in modules for its implementations of the MPI collective algorithms. From that perspective, once you understand that infrastructure, it's exactly the same regardless of whether the MPI job is using intra-node or inter-node collectives. We don't have much in the way of detail

Re: [OMPI users] [OMPI devel] There are not enough slots available in the system to satisfy the 2, slots that were requested by the application

Yes, somehow I'm not seeing all the output that I expect to see. Can you ensure that if you're copy-and-pasting from the email, that it's actually using "dash dash" in front of "mca" and "machinefile" (vs. a copy-and-pasted "em dash")? -- Jeff Squyres jsquy...@cisco.com ___