Barry Smith <[email protected]> writes: > No idea. Perhaps petscmpiexec could be modified so it only ran valgrind on > the first 10 ranks? Not clear how to do that. Or valgrind should get a MR > that removes this small arbitrary limitation on the number of processes. 576 > is so 2000 :-)
I don't want it stuffed into petscmpiexec, but I routinely run Valgrind or gdb on a subset of ranks mpiexec -n 3 valgrind --track-origins=yes ./app -args : -n 5 ./app -args
