Messages in this thread | | | Date | Wed, 4 Aug 2021 15:11:29 +0200 | From | Peter Zijlstra <> | Subject | Re: [PATCH 0/2] Reduce SIS scanning |
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On Wed, Aug 04, 2021 at 12:58:55PM +0100, Mel Gorman wrote: > This is the first two patches from "Modify and/or delete SIS_PROP" and > focues on improving the hit rate for recent_used_cpu and avoids rescanning > the target CPU when it's known to be busy. These are relatively simply > patches in comparison to the full series which could be a regression > magnet and that series had at least one mistake in it. > > In general, the usual suspects showed mostly small gains with a few > exceptions. Usual suspects were NAS, hackbench, schbench (Facebook > latency-sensitive workload), perf pipe, kernel building, git test suite, > dbench and redis. > > From here, the next obvious candidates are either improving has_idle_cores > or continuing to try remove/improve SIS_PROP.
Thanks!
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