See the wiki here<http://wiki.mpich.org/mpich/index.php/Tool_interfaces_(MPI-T),_MPICH_parameters_and_instrumentation#New_MPI_T_Control_Variable_Design> for how to add a cvar in MPICH. See MPI 3.0 Chapter 14.3.6 for how to access cvars in MPI.
--Junchao Zhang On Sat, Feb 22, 2014 at 7:56 AM, William Gropp <[email protected]> wrote: > Yes, CVAR already reads env variables, and PETSc could use the MPI_T > interface to set the value at any time. > > Bill > > William Gropp > Director, Parallel Computing Institute > Deputy Director for Research > Institute for Advanced Computing Applications and Technologies > Thomas M. Siebel Chair in Computer Science > University of Illinois Urbana-Champaign > > > > > On Feb 22, 2014, at 5:41 AM, Jeff Hammond wrote: > > I'll look into a general setenv-like mechanism for CVARs rather than an > abort-specific one-off. Might be there already through MPI_T interface > (which is standard, unlike MPIX). > > Jeff > > > > _______________________________________________ > discuss mailing list [email protected] > To manage subscription options or unsubscribe: > https://lists.mpich.org/mailman/listinfo/discuss >
