I'd suggest supporting CUDA device queries in carto and hwloc.

Ken


On Thu, 2011-04-14 at 11:25 -0400, Jeff Squyres wrote:

> On Apr 13, 2011, at 12:47 PM, Rolf vandeVaart wrote:
> 
> > By default, the code is disable and has to be configured into the library.
> >   --with-cuda(=DIR)       Build cuda support, optionally adding DIR/include,
> >                                              DIR/lib, and DIR/lib64
> >   --with-cuda-libdir=DIR  Search for cuda libraries in DIR
> 
> My $0.02: cuda shouldn't be disabled by default (and only enabled if you 
> --with-cuda).  If configure finds all the Right cuda magic, then cuda support 
> should be enabled by default.  Just like all other optional support libraries 
> that OMPI uses.
> 
> More specifically: the cuda support code in OMPI should strive to be such 
> that it can be enabled by default and not cause any performance penalties to 
> codes that do not need/use any cuda stuff.  I'm not saying I know how to do 
> that -- I'm just saying that that should be the goal.  :-)
> 



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