RFR: 8272083: G1: Record iterated range for BOT performance during card scan [v3]

[Yude Lin]

On Thu, 16 Sep 2021 08:38:28 GMT, Thomas Schatzl <tschatzl at openjdk.org> wrote:

> Hi linade,
> 
> just fyi, I am aware that you posted another change for this, but currently I am a too busy looking into nontrivial PRs with some pre/post-JDK17 GA work. I started some internal specjbb2015 runs where critical-jops look like they improved, i.e. I noticed single scores higher than usual, but also with higher than usual variance. This was kind of expected according to your comments, but this just means we should just look into this some more.
> 
> Thomas

Hi Thomas,

No worries. I expected it would take some time to review, especially with jdk17 just released. Thanks for the testing. Looking forward to more feedbacks!

Yude

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PR: https://git.openjdk.java.net/jdk/pull/5039