[ET Trac] [Einstein Toolkit] #774: hack to unfix OpenMP threads from cores on Cray machines

[Einstein Toolkit]

#774: hack to unfix OpenMP threads from cores on Cray machines
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  Reporter:  rhaas     |       Owner:  eschnett
      Type:  task      |      Status:  closed  
  Priority:  optional  |   Milestone:          
 Component:  Carpet    |     Version:          
Resolution:  fixed     |    Keywords:  hack    
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Comment (by eschnett):

 It seems that CPU affinity is a thread property, not a process property.

 Given this, Carpet's checking needs to be updated. The easiest solution is
 to take the union of all allowed CPUs over all threads of a process, and
 check this. This is not as strict as possible, but good enough -- simple
 mismatches will be detected.

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Ticket URL: <https://trac.einsteintoolkit.org/ticket/774#comment:6>
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