I -think- setting OMPI_MCA_memory_ptmalloc2_disable to 1 will turn off OMPI's memory wrappers without having to rebuild. Someone please correct me if I'm wrong :-).
For example (bash-like shell):
Hope that helps,
Samuel K. Gutierrez
Los Alamos National Laboratory
On Mar 15, 2011, at 9:19 AM, Jack Bryan wrote: