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  • Peter W. Draper's avatar
    Change affinity so that cores from different numa nodes are selected · e64712c9
    Peter W. Draper authored
    in the cpuid map. These are now offered in numa node order rather
    than core order. This means that hyperthreads should be picked last.
    With this fix we look to work well with Intel MPI using multiple ranks
    on the same workstation, but PLATFORM MPI remains uncooperative.
    To help with that a new command-line option -a has been added to
    disable processor affinity, even when the numa policy is set
    and available.