Messages in this thread | | | Subject | Re: [RFC PATCH v1 00/11] Create fast idle path for short idle periods | From | Arjan van de Ven <> | Date | Mon, 17 Jul 2017 12:27:56 -0700 |
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On 7/17/2017 12:23 PM, Peter Zijlstra wrote: > Now I think the problem is that the current predictor goes for an > average idle duration. This means that we, on average, get it wrong 50% > of the time. For performance that's bad.
that's not really what it does; it looks at next tick and then discounts that based on history; (with different discounts for different order of magnitude)
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