Re: [OMPI users] Re :Re: Tuning Openmpi with IB Interconnect

2007-10-12 Thread Torsten Hoefler
Hello, >The code was pretty simple. I was trying to send 8MB data from one >rank to other in a loop(say 1000 iterations). And then i was taking the >average of time taken and was calculating the bandwidth. > >The above logic i tried with both mpirun-with-mca-parameters and with

[OMPI users] Re :Re: Tuning Openmpi with IB Interconnect

2007-10-11 Thread Neeraj Chourasia
Hi,    The code was pretty simple. I was trying to send 8MB data from one rank to other in a loop(say 1000 iterations). And then i was taking the average of time taken and was calculating the bandwidth.The above logic i tried with both mpirun-with-mca-parameters and without any parameters. And t