I'm getting poor performance on OpenMPI tasks on a new AMD 7401P EPYC server. I suspect hwloc providing a poor topology may have something to do with it as I receive this warning below when creating a job. Requested data files available at http://static.skysight.io/out.tgz Cheers, Matthew
**************************************************************************** * hwloc 1.11.8 has encountered what looks like an error from the operating system. * * L3 (cpuset 0x60000060) intersects with NUMANode (P#0 cpuset 0x3f00003f nodeset 0x00000001) without inclusion! * Error occurred in topology.c line 1088 * * The following FAQ entry in the hwloc documentation may help: * What should I do when hwloc reports "operating system" warnings? * Otherwise please report this error message to the hwloc user's mailing list, * along with the files generated by the hwloc-gather-topology script. **************************************************************************** depth 0: 1 Machine (type #1) depth 1: 1 Package (type #3) depth 2: 4 NUMANode (type #2) depth 3: 10 L3Cache (type #4) depth 4: 24 L2Cache (type #4) depth 5: 24 L1dCache (type #4) depth 6: 24 L1iCache (type #4) depth 7: 24 Core (type #5) depth 8: 48 PU (type #6) Special depth -3: 12 Bridge (type #9) Special depth -4: 9 PCI Device (type #10) Special depth -5: 4 OS Device (type #11)
_______________________________________________ hwloc-users mailing list hwloc-users@lists.open-mpi.org https://lists.open-mpi.org/mailman/listinfo/hwloc-users