Re: [OMPI users] CUDA-aware codes not using GPU

2019-09-06 Thread AFernandez via users
iday, September 06, 2019 11:14 AM To: Open MPI Users Cc: Joshua Ladd ; Arturo Fernandez Subject: Re: [OMPI users] CUDA-aware codes not using GPU Hi, Arturo. Usually, for OpenMPI+UCX we use the following recipe for UCX: ./configure --prefix=/path/to/ucx-cuda-install --with-cuda=/usr/local/

Re: [OMPI users] CUDA-aware codes not using GPU

2019-09-06 Thread Akshay Venkatesh via users
Hi, Arturo. Usually, for OpenMPI+UCX we use the following recipe for UCX: ./configure --prefix=/path/to/ucx-cuda-install --with-cuda=/usr/local/cuda --with-gdrcopy=/usr make -j install then OpenMPI: ./configure --with-cuda=/usr/local/cuda --with-ucx=/path/to/ucx-cuda-install make -j

Re: [OMPI users] CUDA-aware codes not using GPU

2019-09-06 Thread Arturo Fernandez via users
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Re: [OMPI users] CUDA-aware codes not using GPU

2019-09-06 Thread Joshua Ladd via users
Did you build UCX with CUDA support (--with-cuda) ? Josh On Thu, Sep 5, 2019 at 8:45 PM AFernandez via users < users@lists.open-mpi.org> wrote: > Hello OpenMPI Team, > > I'm trying to use CUDA-aware OpenMPI but the system simply ignores the GPU > and the code runs on the CPUs. I've tried