Messages in this thread |  | | Date | Thu, 26 Apr 2001 04:29:52 -0300 (BRT) | From | Marcelo Tosatti <> | Subject | Re: [patch] swap-speedup-2.4.3-B3 (fwd) |
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On Thu, 26 Apr 2001, Mike Galbraith wrote:
> On Thu, 26 Apr 2001, Marcelo Tosatti wrote: > > > > (I can get it to under 9 with MUCH extremely ugly tinkering. I've done > > > this enough to know that I _should_ be able to do 8 1/2 minutes ~easily) > > > > Which kind of changes you're doing to get better performance on this test? > > :) > > 2.4.4.pre7.virgin > real 11m33.589s > user 7m57.790s > sys 0m38.730s > > 2.4.4.pre7.sillyness > real 9m30.336s > user 7m55.270s > sys 0m38.510s
Have you tried to tune SWAP_SHIFT and the priority used inside swap_out() to see if you can make pte deactivation less aggressive ?
If you get the desired effect tuning those values and you end up with the conclusion that this tuning is a good change for most "common workloads", it can be integrated in the main kernel.
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