Hello I am not sure we ever tested this because offlining cpu0 was impossible in Linux until recently. I knew things would change because arm kernel devs were modifying Linux to allow it. Looks like it matters to x86 too, now. I'll take a look. Brice
Le 5 février 2021 20:43:33 GMT+01:00, "Clay, Garrett" <garrett.c...@intel.com> a écrit : >Hello, > >Has anyone experienced invalid topology creation from hwloc when CPU 0 >is offline (disabled)? Details of the issue here: >https://github.com/open-mpi/hwloc/issues/450 > >In short, seems hwloc does not handle CPU 0 being offline properly and >mixes up L3 cache in the topology hierarchy. In contrast, CPU 1 offline >creates a topology as expected. Seems like it could be a simple edge >case bug. > >Thanks, >Garrett
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