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, ro...@osl.iu.edu 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
jsquy...@cisco.com
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