On Nov 16, 2009, at 2:50 PM, Jed Brown wrote:

so. BTW, should we put PAPI support into PETSc, it no longer needs kernel patches with 2.6.31.

The basics are there in config/PETSc/packages/PAPI.py and initialization in plog.c and eventLog.c It would be good to add counts for cache misses etc. I got frustrated because with intel there are multiple instructions to do similar things that have separate counts so the results you get out are not really what you want. Plus, since Jack is involved in PAPI , it pretty much sucks. Barry

Jed