It's 2048 in all MPICH2-derived implementations that I know about, including the ones used on BGP and BGQ. Since I know what your issue is already, I think the problem has something to do with context id leaking. You should post your test code. Jeff On Sat, Feb 23, 2013 at 6:24 PM, Nichols A. Romero <[email protected]> wrote:
Hi,
What is the maximum number of communicators in the MPICH that is used on BG/P vs. that used on BG/Q?
Sent from my iPhone _______________________________________________ discuss mailing list [email protected] To manage subscription options or unsubscribe: https://lists.mpich.org/mailman/listinfo/discuss
-- Jeff Hammond Argonne Leadership Computing Facility University of Chicago Computation Institute [email protected] / (630) 252-5381 http://www.linkedin.com/in/jeffhammond https://wiki.alcf.anl.gov/parts/index.php/User:Jhammond