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
