Re: [OMPI users] gpudirect p2p?

2011-10-16 Thread Chris Cooper
Ah I see. Thanks for the info! On Sat, Oct 15, 2011 at 12:06 AM, Rolf vandeVaart wrote: >>-Original Message- >>From: users-boun...@open-mpi.org [mailto:users-boun...@open-mpi.org] >>On Behalf Of Chris Cooper >>Sent: Friday, October 14, 2011 1:28 AM >>To

[OMPI users] gpudirect p2p?

2011-10-14 Thread Chris Cooper
Hi, Are the recent peer to peer capabilities of cuda leveraged by Open MPI when eg you're running a rank per gpu on the one workstation? It seems in my testing that I only get in the order of about 1GB/s as per http://www.open-mpi.org/community/lists/users/2011/03/15823.php, whereas nvidia's simp