[ET Trac] [Einstein Toolkit] #538: Enable CSE in McLachlan

Einstein Toolkit trac-noreply at einsteintoolkit.org
Sun Aug 28 15:51:30 CDT 2011


#538: Enable CSE in McLachlan
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  Reporter:  eschnett               |       Owner:     
      Type:  enhancement            |      Status:  new
  Priority:  minor                  |   Milestone:     
 Component:  EinsteinToolkit thorn  |     Version:     
Resolution:                         |    Keywords:     
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Comment (by barry.wardell):

 Yes, when I was testing it, I found that it actually slowed !McLachlan
 down a bit, but did give a speedup for !WeylScal4. This was before a lot
 of the recent speed improvements in !McLachlan so it would be worth
 checking again. I don't think we should just blindly enable it, though.

 The benefits of CSE might also depend on e.g. whether Jacobians are
 enabled or not, how aggressive the CSE is (this can be tuned), etc.

-- 
Ticket URL: <https://trac.einsteintoolkit.org/ticket/538#comment:4>
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