Open MPI logo

Open MPI Development Mailing List Archives

  |   Home   |   Support   |   FAQ   |   all Development mailing list

Subject: Re: [OMPI devel] 1.3 PML default choice
From: Jeff Squyres (jsquyres_at_[hidden])
Date: 2009-01-13 20:25:09


Thanks Brian -- I updated the README here and will CMR it over to v1.3:

     https://svn.open-mpi.org/trac/ompi/changeset/20265

On Jan 13, 2009, at 8:18 PM, Brian Barrett wrote:

> On Jan 13, 2009, at 5:48 PM, Patrick Geoffray wrote:
>
>> Jeff Squyres wrote:
>>> Gaah! I specifically asked Patrick and George about this and they
>>> said that the README text was fine. Grr...
>>
>> When I looked at that time, I vaguely remember that _both_ PMLs
>> were initialized but CM was eventually used because it was the last
>> one. It looked broken, but it worked in the end (MTL was used with
>> CM PML). I don't know if that behavior changed since.
>
> I just tested 1.3rc4 with MX and it uses the btl by default. The
> reason is the cm init lowers the priority to 1 unless the MTL that
> loaded is psm, in which case it stays at the higher default of 30.
> It's a fairly easy fix, I think. But the last time this was
> discussed people in the group had objections to using the MTL by
> default with MX.
>
> Brian
>
> _______________________________________________
> devel mailing list
> devel_at_[hidden]
> http://www.open-mpi.org/mailman/listinfo.cgi/devel

-- 
Jeff Squyres
Cisco Systems