Open MPI logo

Open MPI User's Mailing List Archives

  |   Home   |   Support   |   FAQ   |   all Open MPI User's mailing list

From: Jeff Squyres (jsquyres_at_[hidden])
Date: 2007-10-24 15:34:46


The changes in the 1.2 series are listed here:

     http://svn.open-mpi.org/svn/ompi/branches/v1.2/NEWS

I'm surprised that your performance went down from v1.2 to v1.2.4.
What networks were you testing, and how exactly did you test?

On Oct 24, 2007, at 12:14 AM, Neeraj Chourasia wrote:

> Hello Guys,
>
> I had openmpi v1.2 installed on my cluster. Couple of days
> back, i thought to upgrade it to v1.2.4(latest release i suppose).
> Since i didnt want to take risk, i first installed it on temporary
> location and did bandwidth and bidirectional bandwidth test
> provided by the OSU guys, and to my surprise, old version performs
> better in both scenarios.
>
> Could anyone give me the reason for the same?
>
> I repeated the above point to point tests between all set of
> nodes, but the result were same :(
>
> -Neeraj
>
>
> _______________________________________________
> users mailing list
> users_at_[hidden]
> http://www.open-mpi.org/mailman/listinfo.cgi/users

-- 
Jeff Squyres
Cisco Systems