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
>
>
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--
Jeff Squyres
Cisco Systems
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