[ofa-general] Affinitization of HCAs
Roland Dreier
rdreier at cisco.com
Thu Jan 29 13:46:04 PST 2009
> On NUMA systems with multiple HCAs, it is possible that each HCA has
> affinity to a different NUMA node. Is the affinity of the HCA exposed
> in any manner to user land?
/sys/devices/.../numa_node gives the affinity for every PCI device in
the system.
> Also, do IB drivers in OFED 1.3.1 (or latest OFED) take advantage the
> HCA affinity?
Not really... of course userspace could select the "closest" HCA but I
don't think anyone has coded that.
- R.
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