Messages in this thread | | | Subject | Re: [PATCH] sched: smart wake-affine | From | Mike Galbraith <> | Date | Tue, 02 Jul 2013 07:54:46 +0200 |
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On Tue, 2013-07-02 at 12:43 +0800, Michael Wang wrote: > Since RFC: > Tested again with the latest tip 3.10.0-rc7. > > wake-affine stuff is always trying to pull wakee close to waker, by theory, > this will bring benefit if waker's cpu cached hot data for wakee, or the > extreme ping-pong case. > > And testing show it could benefit hackbench 15% at most.
How much does this still help with Alex's patches integrated?
aside: were I a maintainer, I'd be a little concerned that what this helps with collides somewhat with the ongoing numa work.
-Mike
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