On Apr 29, 2010, at 5:10 PM, Joshua R. Tepper wrote:
> David:
> Thanks for the script (and to Ms. Pittman as well).
(FYI, that's Mr. Pittman; Ashley is male)
> This looks very
> helpful. The only possible issue, I think, will be to guarantee that
> each process has a different pid, which I don't imagine is guaranteed
> for a job spread over many nodes. I think such collisions will prove
> uncommon.
Since you know that you are running on a particular MPI implementation
(MVAPICH2) with a particular process manager (mpd) you can play a
trick to get your valgrind output into separate log files:
mpiexec -genv [...] -n $NUMPROC valgrind --xml=yes --xml-file='vg_log.
%q{PMI_RANK}.xml' $EXE $PARAM
Which will create "vg_log.0.xml", "vg_log.1.xml", ..., and "vg_log.$
((NUMPROC-1)).xml". Then merge them with:
./vg_xmlmerge.pl vg_log.*.xml > merged_vg_log
-Dave
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