of buffers that are larger than 4K in size.
Rolf
>-Original Message-
>From: users-boun...@open-mpi.org [mailto:users-boun...@open-mpi.org]
>On Behalf Of Crni Gorac
>Sent: Monday, July 09, 2012 1:25 PM
>To: us...@open-mpi.org
>Subject: [OMPI users] gpudirect p2p (again)?
>
Trying to examine CUDA support in OpenMPI, using OpenMPI current
feature series (v1.7). There was a question on this mailing list back
in October 2011
(http://www.open-mpi.org/community/lists/users/2011/10/17539.php),
about OpenMPI being able to use P2P transfers in case when two MPI
processed
ober 14, 2011 1:28 AM
>>To: us...@open-mpi.org
>>Subject: [OMPI users] gpudirect p2p?
>>
>>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?
>
> Currently, no.
>-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: us...@open-mpi.org
>Subject: [OMPI users] gpudirect p2p?
>
>Hi,
>
>Are the recent peer to peer
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
