Thread (2 messages) flat view 2 messages, 2 authors, 2011-10-04

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

From: Serge Belyshev <hidden>
Date: 2011-10-04 20:12:12
Also in: lkml

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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