Hi!
In my current application, MPI_Send/MPI_Recv hangs when using buffers in
GPU device memory of a Nvidia GPU. I realized this is due to the fact
that OpenMPI uses the synchronous cuMempcy rather than the asynchornous
cuMemcpyAsync (see stacktrace at the bottom). However, in my
application,
, there are no plans to bring that
back into 1.10.
Rolf
>-Original Message-
>From: users [mailto:users-boun...@open-mpi.org] On Behalf Of Jeremia Bär
>Sent: Tuesday, August 11, 2015 9:17 AM
>To: us...@open-mpi.org
>Subject: [OMPI users] CUDA Buffers: Enforce asynchronous memcpy
remia Bär>Sent: Tuesday, August 11, 2015 9:17 AM>To: us...@open-mpi.org>Subject: [OMPI users] CUDA Buffers: Enforce asynchronous memcpy's>>Hi!>>In my current application, MPI_Send/MPI_Recv hangs when using buffers in>GPU device memory of a Nvidia GPU. I realized this i
paul...@us.ibm.com>
www.ibm.com<http://www.ibm.com>
- Original message -
From: Rolf vandeVaart mailto:rvandeva...@nvidia.com>>
Sent by: "users" mailto:users-boun...@open-mpi.org>>
To: Open MPI Users mailto:us...@open-mpi.org>>
Cc:
Subject: Re: [OMPI
