Re: [OMPI users] Lower performance on a Gigabit node compared to infiniband node

2009-03-09 Thread Ralph Castain
Isn't this a re-posting of an email thread we already addressed? On Mar 9, 2009, at 8:30 AM, Sangamesh B wrote: Dear Open MPI team, With Open MPI-1.3, the fortran application CPMD is installed on Rocks-4.3 cluster - Dual Processor Quad core Xeon @ 3 GHz. (8 cores per node) Two jobs (4 p

[OMPI users] Lower performance on a Gigabit node compared to infiniband node

2009-03-09 Thread Sangamesh B
Dear Open MPI team, With Open MPI-1.3, the fortran application CPMD is installed on Rocks-4.3 cluster - Dual Processor Quad core Xeon @ 3 GHz. (8 cores per node) Two jobs (4 processes job) are run on two nodes, separately - one node has a ib connection ( 4 GB RAM) and the other node has gi