On 21/04/2012 13:15, Jeffrey Squyres wrote:
On Apr 21, 2012, at 7:09 AM, Brice Goglin wrote:
I assume you have the entire distance (latency) matrix between all NUMA nodes
as usually reported by the BIOS.
const struct hwloc_distance_s *distances =
On Apr 21, 2012, at 7:09 AM, Brice Goglin wrote:
> I assume you have the entire distance (latency) matrix between all NUMA nodes
> as usually reported by the BIOS.
>
> const struct hwloc_distance_s *distances =
> hwloc_get_whole_distance_matrix_by_type(topology, HWLOC_OBJ_NODE);
>
On 21/04/2012 12:23, Jeffrey Squyres wrote:
I'm trying to use hwloc distances in Open MPI (e.g., find the distance from
each OpenFabrics device to the PU(s) where this process is bound), and I'm a
bit confused by the distances documentation.
If I have a WHOLE_SYSTEM topology, and I know that