Re: [OMPI users] status of cuda across multiple IO hubs?

2013-03-11 Thread Rolf vandeVaart
wer >Sent: Monday, March 11, 2013 11:28 AM >To: us...@open-mpi.org >Subject: [OMPI users] status of cuda across multiple IO hubs? > >I'm running into issues when trying to use GPUs in a multiprocessor system >when using the latest release candidate (1.7rc8). >Specifically, it looks

[OMPI users] status of cuda across multiple IO hubs?

2013-03-11 Thread Russell Power
I'm running into issues when trying to use GPUs in a multiprocessor system when using the latest release candidate (1.7rc8). Specifically, it looks like the OpenMPI code is still assuming that all GPUs are on the same IOH, as in this message from a few months ago: