>-Original Message-
>From: users [mailto:users-boun...@open-mpi.org] On Behalf Of Rolf
>vandeVaart
>Sent: Monday, March 30, 2015 9:37 AM
>To: Open MPI Users
>Subject: Re: [OMPI users] segfault during MPI_Isend when transmitting GPU
>arrays between multiple GPUs
>
>-Original Message-
>From: users [mailto:users-boun...@open-mpi.org] On Behalf Of Lev Givon
>Sent: Sunday, March 29, 2015 10:11 PM
>To: Open MPI Users
>Subject: Re: [OMPI users] segfault during MPI_Isend when transmitting GPU
>arrays between multiple GPUs
>
>Recei
Received from Rolf vandeVaart on Fri, Mar 27, 2015 at 04:09:58PM EDT:
> >-Original Message-
> >From: users [mailto:users-boun...@open-mpi.org] On Behalf Of Lev Givon
> >Sent: Friday, March 27, 2015 3:47 PM
> >To: us...@open-mpi.org
> >Subject: [OMPI users]
March 27, 2015 3:47 PM
>To: us...@open-mpi.org
>Subject: [OMPI users] segfault during MPI_Isend when transmitting GPU
>arrays between multiple GPUs
>
>I'm using PyCUDA 2014.1 and mpi4py (git commit 3746586, uploaded today)
>built against OpenMPI 1.8.4 with CUDA support activated
I'm using PyCUDA 2014.1 and mpi4py (git commit 3746586, uploaded today) built
against OpenMPI 1.8.4 with CUDA support activated to asynchronously send GPU
arrays between multiple Tesla GPUs (Fermi generation). Each MPI process is
associated with a single GPU; the process has a run loop that starts
