On Apr 14, 2011, at 12:41 PM, Brice Goglin wrote:

> hwloc (since 1.1, on Linux) can already tell you which CPUs are close to a 
> CUDA device, see 
> https://svn.open-mpi.org/trac/hwloc/browser/trunk/include/hwloc/cuda.h and 
> https://svn.open-mpi.org/trac/hwloc/browser/trunk/include/hwloc/cudart.h
> Do you need anything else ?

Nope.

I think the inference was that *all* CUDA support should be under carto/hwloc.  
I don't think that's quite possible, though, for some of the reasons Rolf 
mentioned (i.e., we need to do more than just know *where* the accelerators 
are).

-- 
Jeff Squyres
jsquy...@cisco.com
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