There were several improvements for TCP in the 1.2. We expect it to
behave in a more optimized way compared with the 1.1.x. Can you share
your code so I can take a look to see what's happening ?
Thanks,
george.
On Apr 17, 2007, at 4:30 PM, Michael wrote:
To maintain compatibility wit
To maintain compatibility with a major HPC center I upgraded(?) from
OpenMPI 1.1.4 to OpenMPI 1.2 on my local cluster.
In testing on my local cluster, 13 dual-Opteron Linux boxes with dual
gigabit ethernet, I discovered that my program runs slower using
OpenMPI 1.2 then OpenMPI 1.1.4 (780.3