Thanks! I tried both and
ompi_info -a | grep "\-with\-cuda" returns nothing, while
ompi_info -a | grep "xtensions" returns
MPI extensions: affinity, cuda

It seems the two outputs are in conflict, what does that mean?


On Tue, Oct 30, 2018 at 8:50 PM Akshay Venkatesh <akshay.v.3...@gmail.com>
wrote:

> Andrei,
>
> I generally check with one of these two:
>
> $ ompi_info -a | grep "\-with\-cuda"
>   Configure command line: '--prefix=$HOME/ompi/build-cuda'
> '--enable-mpirun-prefix-by-default' '--with-cuda=/usr/local/cuda'
> '--with-ucx=$HOME/ucx-github/build'
> '--with-ucx-libdir=$HOME/ucx-github/build/lib' '--enable-debug'
> '--enable-mem-debug' '--enable-mpi-fortran=no' '--disable-oshmem'
> '--enable-install-libpmix' '--with-ompi-pmix-rte'
>
> $ ompi_info -a | grep "xtensions"
>           MPI extensions: affinity, cuda, pcollreq
>
>
> On Tue, Oct 30, 2018 at 11:40 AM Andrei Berceanu <
> andreicberce...@gmail.com> wrote:
>
>> Hi all,
>>
>> I am using openmpi@3.1.2 on an Ubuntu@16.04.5 box, how can I check if it
>> has CUDA support or not?
>>
>> Best,
>> Andrei
>> _______________________________________________
>> users mailing list
>> users@lists.open-mpi.org
>> https://lists.open-mpi.org/mailman/listinfo/users
>
>
>
> --
> -Akshay
> NVIDIA
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> users mailing list
> users@lists.open-mpi.org
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