RFR: 8252093: formula used to calculate decaying variance in numberSeq
kim.barrett at oracle.com
Wed Aug 26 23:39:50 UTC 2020
> On Aug 26, 2020, at 9:59 AM, Albert Yang <albert.m.yang at oracle.com> wrote:
> I am sending this to both runtime-dev and gc-dev, since the changed code lives in runtime, but it's used by GC.
> Both the code and the literature use `alpha`, but its meaning is actually inverted. I could include this refactoring in later revision if people feel that it's desirable.
> Tested: tier1 (locally) and tier1-3 (mach5)
Nice find. Looks good.
I wonder if this has any noticeable performance effect.
For G1 it affects many/all policy-based predictions, since it affects the G1Predictions::predict function.
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