Open MPI logo

Open MPI Development Mailing List Archives

  |   Home   |   Support   |   FAQ   |  

This web mail archive is frozen.

This page is part of a frozen web archive of this mailing list.

You can still navigate around this archive, but know that no new mails have been added to it since July of 2016.

Click here to be taken to the new web archives of this list; it includes all the mails that are in this frozen archive plus all new mails that have been sent to the list since it was migrated to the new archives.

Subject: Re: [OMPI devel] PLM consistency: launch agent param
From: Jeff Squyres (jsquyres_at_[hidden])
Date: 2008-07-11 10:19:06


Sounds good to me. We've done similar things in other frameworks --
put in MCA base params for things that all components could use. How
about plm_base_launch_agent?

On Jul 11, 2008, at 10:17 AM, Ralph H Castain wrote:

> Since the question of backward compatibility of params came up... ;-)
>
> I've been perusing the various PLM modules to check consistency. One
> thing I
> noted right away is that -every- PLM module registers an MCA param
> to let
> the user specify an orted cmd. I believe this specifically was done so
> people could insert their favorite debugger in front of the "orted"
> on the
> spawned command line - e.g., "valgrind orted".
>
> The problem is that this forces the user to have to figure out the
> name of
> the PLM module being used as the param is called "-mca
> plm_rsh_agent", or
> "-mca plm_lsf_orted", or...you name it.
>
> For users that only ever operate in one environment, who cares.
> However,
> many users (at least around here) operate in multiple environments,
> and this
> creates confusion.
>
> I propose to create a single MCA param name for this value -
> something like
> "-mca plm_launch_agent" or whatever - and get rid of all these
> individual
> registrations to reduce the user confusion.
>
> Comments? I'll put my helmet on....
> Ralph
>
>
> _______________________________________________
> devel mailing list
> devel_at_[hidden]
> http://www.open-mpi.org/mailman/listinfo.cgi/devel

-- 
Jeff Squyres
Cisco Systems