Ah, I see -- it was already there before this commit.

FWIW: you might want to move all those CUDA m4 tests into a separate file, like 
opal/config/opal_check_cuda (or ompi, if CUDA is only used in the ompi layer?).



On Feb 24, 2012, at 6:11 AM, Rolf vandeVaart wrote:

> Hi Jeff:
> 
> It is set in opal/config/opal_configure_options.m4
> 
> 
> 
>> -----Original Message-----
>> From: devel-boun...@open-mpi.org [mailto:devel-boun...@open-mpi.org]
>> On Behalf Of Jeffrey Squyres
>> Sent: Friday, February 24, 2012 6:07 AM
>> To: de...@open-mpi.org
>> Subject: Re: [OMPI devel] [OMPI svn-full] svn:open-mpi r26039
>> 
>> 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
>> For corporate legal information go to:
>> http://www.cisco.com/web/about/doing_business/legal/cri/
>> 
>> 
>> _______________________________________________
>> devel mailing list
>> de...@open-mpi.org
>> http://www.open-mpi.org/mailman/listinfo.cgi/devel
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-- 
Jeff Squyres
jsquy...@cisco.com
For corporate legal information go to: 
http://www.cisco.com/web/about/doing_business/legal/cri/


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