[ET Trac] [Einstein Toolkit] #1476: Use mvapich2 instead of impi on Stampede

[Einstein Toolkit]

#1476: Use mvapich2 instead of impi on Stampede
-----------------------+----------------------------------------------------
  Reporter:  eschnett  |       Owner:                     
      Type:  defect    |      Status:  new                
  Priority:  major     |   Milestone:  ET_2013_11         
 Component:  Other     |     Version:  development version
Resolution:            |    Keywords:                     
-----------------------+----------------------------------------------------

Comment (by rhaas):

 I found (in SpEC) that mvapich2 had issues with memory fragmentation that
 were not present in impi. So I'd not switch to mvapich2 as the default
 before the release without testing it with a full sized simulation.

-- 
Ticket URL: <https://trac.einsteintoolkit.org/ticket/1476#comment:1>
Einstein Toolkit <http://einsteintoolkit.org>
The Einstein Toolkit