Integrated: 8295158: G1: Increase card-based cost sample reporting threshold

Thomas Schatzl tschatzl at openjdk.org
Fri Oct 14 14:15:08 UTC 2022


On Tue, 11 Oct 2022 14:35:02 GMT, Thomas Schatzl <tschatzl at openjdk.org> wrote:

> Hi all,
> 
>   can I have reviews for this change that makes the threshold that determines whether g1 uses that sample for prediction configurable (as diagnostic option) and increases it to 1000 instead of 10 because testing has shown that that's a much better value, filtering out outliers much better.
> 
> This change is based on PR#10654, please review that one first if still open.
> 
> Testing: Testing: gha, local testing, tier1-5 with other changes in this patch series, perf testing with other changes in this patch series
> 
> Thanks,
>   Thomas

This pull request has now been integrated.

Changeset: 449b52fd
Author:    Thomas Schatzl <tschatzl at openjdk.org>
URL:       https://git.openjdk.org/jdk/commit/449b52fd230786e818cdaf5000213ea746802e4d
Stats:     12 lines in 3 files changed: 5 ins; 4 del; 3 mod

8295158: G1: Increase card-based cost sample reporting threshold

Reviewed-by: iwalulya, ayang

-------------

PR: https://git.openjdk.org/jdk/pull/10656



More information about the hotspot-gc-dev mailing list