> > As I said before you have to set the core affinity for OpenMP through > environment variables. > > Well I tried 'export GOMP_CPU_AFFINITY="0-7" ' before running the code but that did not help. I'm using gcc. Am I doing it wrong.
i) Which example are you running? Please send output of -log_summary. > This was my own code. Will try on some of the examples and report back. > ii) Only the vector and a few matrix operations are threaded currently. > There are no threaded preconditioners yet. > Aah! That may actually be it. I'm using hypre and I think that is not threaded. Will try with -pc_type none to see if that makes any difference. -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.mcs.anl.gov/pipermail/petsc-users/attachments/20121104/2ade71b8/attachment.html>
