[petsc-dev] [mpich-discuss] turning off MPI abort messages

[Junchao Zhang]

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 <wgropp at illinois.edu> 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
>
>
>
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