[mpich-discuss] Question regarding MPICH Examples

[Kenneth Raffenetti]

This wiki page has info for Hydra's (mpiexec) envvars.

https://wiki.mpich.org/mpich/index.php/Using_the_Hydra_Process_Manager#Environment_Settings

For all others, see README.envvar in the base MPICH source directory.

Ken

On 11/04/2014 02:05 PM, Michael L. Stokes wrote:
> Kenneth,
>
> If I were to run these examples outside of the provided scripts, how
> would I used
> these environment variables?  There seems to be a multitude of ways
> environment
> variables can be specified.
>
> Thanks
> Mike
>
> On 11/04/2014 12:12 PM, Kenneth Raffenetti wrote:
>> Hi Mike,
>>
>> Those testlist files are interpreted by the mpich/test/mpi/runtests
>> script to set actual MPICH/Hydra envvars.
>>
>> Ken
>>
>> On 11/04/2014 12:06 PM, Michael L. Stokes wrote:
>>> In the file testlist  (i.e rma directory) you have what looks like
>>> environment variables like timeLimit=600, mpiversion=3.0
>>> listed by the names of the tests (as well as the number of processors to
>>> pass to mpirun).
>>> How are these values used?  I looked in the mtest.c routines and there
>>> are environment variables (i.e. MPITEST_DEBUG, MPITEST_VERBOSE) that you
>>> read
>>> to control execution of the tests, but I don't see the ones listed here.
>>>
>>> Thanks
>>> Mike
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