[petsc-dev] configuring hypre on batch system

Mark Adams mfadams at lbl.gov
Thu Jan 8 20:14:35 CST 2015


Thanks Barry,

I thought this worked at some point ... anyway I would like to get some
threaded examples of AMG.

I know that this applications solves will not run faster with threads, they
are latency bound, but I need to demonstrate this with data.  I need to say
the solve is threaded on Titan. If I use CG + GAMG with threads:

-threadcomm_nthreads 8
-threadcomm_affinities 0 1 2 3 4 5 6 7  ?????
-threadcomm_type openmp

Then would I get threaded MatVec and other CG + MG stuff?  I know this will
not be faster but I just need data to corroborate what we all know.  And I
don't care about setup.

Mark
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.mcs.anl.gov/pipermail/petsc-dev/attachments/20150108/84b9a54b/attachment.html>


More information about the petsc-dev mailing list