Re: [OMPI users] mpirun with -am ft-enable-cr option takes longer time on certain configurations

2010-03-29 Thread Josh Hursey
On Mar 20, 2010, at 11:14 PM, wrote: I am observing a very strange performance issue with my openmpi program. I have compute intensive openmpi based application that keeps the data in memory, process the data and then dumps it to GPFS

[OMPI users] mpirun with -am ft-enable-cr option takes longer time on certain configurations

2010-03-21 Thread ananda.mudar
I am observing a very strange performance issue with my openmpi program. I have compute intensive openmpi based application that keeps the data in memory, process the data and then dumps it to GPFS parallel file system. GPFS parallel file system server is connected to a QDR infiniband switch