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Subject: Re: [OMPI devel] [OMPI svn-full] svn:open-mpi r26039
From: Jeffrey Squyres (jsquyres_at_[hidden])
Date: 2012-02-24 06:07:11


Rolf --

In looking at configure.m4, where does $CUDA_SUPPORT_41 get set?

    AS_IF([test "x$CUDA_SUPPORT_41" = "x1"]

On Feb 23, 2012, at 9:13 PM, rolfv_at_[hidden] wrote:

> Author: rolfv
> Date: 2012-02-23 21:13:33 EST (Thu, 23 Feb 2012)
> New Revision: 26039
> URL: https://svn.open-mpi.org/trac/ompi/changeset/26039
>
> Log:
> New btl that extends sm btl to support GPU transfers within a node.
> Uses new CUDA IPC support. Also, a few minor changes in PML to take
> advantage of it.
>
> This code has no effect unless user asks for it explicitly via
> configure arguments. Otherwise, it is either #ifdef'ed out or
> not compiled.
>
>
> Added:
> trunk/contrib/check-btl-sm-diffs.pl (contents, props changed)
> trunk/ompi/mca/btl/smcuda/ (props changed)
> trunk/ompi/mca/btl/smcuda/Makefile.am
> trunk/ompi/mca/btl/smcuda/btl_smcuda.c
> trunk/ompi/mca/btl/smcuda/btl_smcuda.h
> trunk/ompi/mca/btl/smcuda/btl_smcuda_component.c
> trunk/ompi/mca/btl/smcuda/btl_smcuda_endpoint.h
> trunk/ompi/mca/btl/smcuda/btl_smcuda_fifo.h
> trunk/ompi/mca/btl/smcuda/btl_smcuda_frag.c
> trunk/ompi/mca/btl/smcuda/btl_smcuda_frag.h
> trunk/ompi/mca/btl/smcuda/configure.m4
> trunk/ompi/mca/btl/smcuda/help-mpi-btl-smcuda.txt
> trunk/ompi/mca/pml/ob1/pml_ob1_cuda.c
> Text files modified:
> trunk/ompi/mca/btl/btl.h | 14 ++++++++++++++
> trunk/ompi/mca/pml/ob1/Makefile.am | 7 +++++++
> trunk/ompi/mca/pml/ob1/pml_ob1_recvreq.c | 32 ++++++++++++++++++++++++++++++++
> trunk/ompi/mca/pml/ob1/pml_ob1_sendreq.c | 10 +++++++++-
> trunk/ompi/mca/pml/ob1/pml_ob1_sendreq.h | 17 +++++++++++------
> 5 files changed, 73 insertions(+), 7 deletions(-)

-- 
Jeff Squyres
jsquyres_at_[hidden]
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