If you are seeing performance issues with Fluent, MPI affinity can be the problem. To help support with diagnosing the issue please send the results from show-affinity
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March 17, 2023 at 9:00 am
FAQ
ParticipantTo help customer support with diagnosing the issue please send the results from show-affinity in your Fluent transcript file (.trn) In order to do this you must use a Fluent journal (.jou) file in your Fluent run. Please add the following lines in your journal file that will print the affinity settings in your transcript file. After your Fluent case is read add these lines in your journal file. ; fluent starts (show-affinity) ; case read rc model.cas (show-affinity) ; other commands
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