I'm not very keen of seeing BTL modification tainting the PML. I would have
expected support for IPC between GPU must be a BTL-level decision, no a special
path in the PML.
Is there a reason IPC support cannot be hidden down in the SMCUDA BTL?
Thanks,
George.
On Aug 21, 2013, at 23:00 , [email protected] wrote:
> Author: rolfv (Rolf Vandevaart)
> Date: 2013-08-21 17:00:09 EDT (Wed, 21 Aug 2013)
> New Revision: 29055
> URL: https://svn.open-mpi.org/trac/ompi/changeset/29055
>
> Log:
> Fix support in smcuda btl so it does not blow up when there is no CUDA IPC
> support between two GPUs. Also make it so CUDA IPC support is added
> dynamically.
> Fixes ticket 3531.
>
> Added:
> trunk/ompi/mca/btl/smcuda/README
> Text files modified:
> trunk/ompi/mca/btl/btl.h | 2
>
> trunk/ompi/mca/btl/smcuda/README | 113
> ++++++++++++++++++++++
> trunk/ompi/mca/btl/smcuda/btl_smcuda.c | 104
> ++++++++++++++++++++
> trunk/ompi/mca/btl/smcuda/btl_smcuda.h | 28 +++++
>
> trunk/ompi/mca/btl/smcuda/btl_smcuda_component.c | 200
> +++++++++++++++++++++++++++++++++++++++
> trunk/ompi/mca/btl/smcuda/btl_smcuda_endpoint.h | 5 +
>
> trunk/ompi/mca/common/cuda/common_cuda.c | 29 +++++
>
> trunk/ompi/mca/common/cuda/common_cuda.h | 3
>
> trunk/ompi/mca/pml/ob1/pml_ob1.c | 11 ++
>
> trunk/ompi/mca/pml/ob1/pml_ob1_cuda.c | 42 ++++++++
>
> trunk/ompi/mca/pml/ob1/pml_ob1_recvreq.c | 6
>
> 11 files changed, 535 insertions(+), 8 deletions(-)
