Re: big picture UDP/IP performance question re 2.6.18 -> 2.6.32

From: Serge Belyshev
Date: Tue Oct 04 2011 - 16:12:13 EST

BFS FAQ writes:

> NUMA aware?
> It is NOT NUMA aware in the sense that it does any fancy shit on NUMA, but
> it will work on NUMA hardware just fine. Only the really big NUMA hardware
> is likely to suffer in performance, and this is theoretically only, since
> no one has that sort of hardware to prove it to me, but it seems almost
> certain.
This part of FAQ entry was written before 0.300, (i.e. more than 2 years ago)

> v0.300 onwards have NUMA enhancements.
And this was added after. =)

As of now, BFS scheduling is NUMA-aware. (see resched_best_mask())
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