[ET Trac] [Einstein Toolkit] #2059: SimFactory should detect the number of cores automatically

[Einstein Toolkit]

#2059: SimFactory should detect the number of cores automatically
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  Reporter:  hinder       |       Owner:                     
      Type:  enhancement  |      Status:  review             
  Priority:  minor        |   Milestone:                     
 Component:  SimFactory   |     Version:  development version
Resolution:               |    Keywords:                     
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Comment (by eschnett):

 In general, MPI parallelization is more efficient than multi-threading.
 The reverse is only true once we hit scalability limits. Thus there is an
 argument to be made to use only MPI for single-node runs, and always set
 num-threads=1.

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Ticket URL: <https://trac.einsteintoolkit.org/ticket/2059#comment:19>
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