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Subject: Re: [OMPI devel] [OMPI svn] svn:open-mpi r32163 - in trunk: opal/mca/base orte/tools/orterun
From: Ralph Castain (rhc_at_[hidden])
Date: 2014-07-16 14:43:10


On Jul 16, 2014, at 11:34 AM, Dave Goodell (dgoodell) <dgoodell_at_[hidden]> wrote:

> On Jul 16, 2014, at 12:15 PM, Mike Dubman <miked_at_[hidden]> wrote:
>
>> we have a strong use-case for list of env variables passed as mca params.(it was presented and discussed in the past).
>
> I'm not disputing your use case for "mca_base_env_list". I'm only lamenting the crapification of our mpirun user interface. We had an earlier change along these lines based on similar reasoning: the easy-to-use-and-remember "--pernode N" was replaced with "--map-by ppr:N:node", which I cannot ever seem to remember.

Same reason, I'm afraid - no way to do the mapping

>
>> we can rename opal_base_envlist as "-mca x var=val" for consistency.
>> also, "-x" param now is just an alias for "-mca opal_base_envlist var=val" - so, we can keep it (w/o deprecation warning) as it re-uses same infra.
>
> Mike, will you make this change?
>
> Thanks,
> -Dave
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