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2021 09 20 webex
#09/20/21 webex notes
Attending: Howard Pritchard, Thomas Hines, Joseph Schuchart, Dan Holmes, Isaias Alberto Com, Martin Schreiber
- MPI Forum follow-up
- Continue discussions where we left off on dynamic process sets and RT/app interaction use cases.
Discuss issue https://github.com/mpi-forum/mpi-issues/issues/511. Aurelian had raised a question about comm arg to the error handler if the comm_create_from_group fails. Three options (well really the first two) were discussed. Dan favors option 2.error handler if the comm_create_from_group fails. Three options (well really just the first two) were discussed. Dan favors option 2 or some variation thereof. Discuss what if MPI was able to partially create a communicator (generate a CID), but there was a known issue with members of the group. One had failed stopped for instance. Aurelian points out issues with returning a non-good communicator. Discuss consensus check for communicator function vs non-consensus. Another option discussed was to not invoke the supplied error handler, but invoke the initial error handler. Still attach the error handler to the returned communicator. Still attach the error handler to the returned communicator. Or maybe use the session error handler.
Will discuss at a virtual forum prior to December voting meeting.
Start having joint working groups starting soon.
Discuss Tony's asynchronous event handler proposal.
Skip on this as we only had about 15 minutes left.