It might be helpful to send all the information listed here:
http://www.open-mpi.org/community/help/
> On Mar 26, 2015, at 10:55 PM, Ralph Castain wrote:
>
> Could you please send us your configure line?
>
>> On Mar 26, 2015, at 4:47 PM, Hammond, Simon David (-EXP)
>> wrote:
>>
>> Hi e
Thanks guys,
I have tried two configure lines:
(1) ./configure
--prefix=/home/projects/power8/openmpi/1.8.4/gnu/4.8.2/cuda/none
--enable-mpi-thread-multiple CC=/usr/bin/gcc CXX=/usr/bin/g++
FC=/usr/bin/gfortran
(2) ./configure
--prefix=/home/projects/power8/openmpi/1.8.4/gnu/4.8.2/cuda/none
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
Hi Lev:
I am not sure what is happening here but there are a few things we can do to
try and narrow things done.
1. If you run with --mca btl_smcuda_use_cuda_ipc 0 then I assume this error
will go away?
2. Do you know if when you see this error it happens on the first pass through
your communica
