[mvapich-discuss] default envs for mpiexec

[wei huang]

Hi Christian,

mpiexec should carry your environmental variable automatically. So if you
have MV2_USE_SRQ=0 in your shell environment on the node you launch the
job, SRQ will be disabled everytime you launch the application. Please let
us know if this works.

Regards,
Wei Huang

774 Dreese Lab, 2015 Neil Ave,
Dept. of Computer Science and Engineering
Ohio State University
OH 43210
Tel: (614)292-8501


On Thu, 28 Feb 2008, Christian Guggenberger wrote:

> Hi,
>
> I'd like to know if there's an easy way to add default environment
> variables to mpiexec. We are experience trouble with SRQ on some
> hardware and I would thus disable SRQ globally by default. My current
> approach would have been to add
>
> envToSend['MV2_USE_SRQ'] = str(0)
>
> into mpiexec.py, but this would disable the option to explicitely enable
> SRQ via 'mpiexec -env MV2_USE_SRQ 1 ...'
>
> Anyone on the list who'd know of a more elegant solution ?
>
> thanks a lot,
>  - Christian
>
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