Integrated: 8325553: Parallel: Use per-marker cache for marking stats during Full GC

[Albert Mingkun Yang]

On Fri, 9 Feb 2024 12:06:04 GMT, Albert Mingkun Yang <ayang at openjdk.org> wrote:

> Add cache to avoid too much contentious writes to global marking stats.
> 
> Test: tier1-6; using the attached bm, ~30% reduction in pause-time is observed. Only marginal improvement (probably just noise) is observed in BigRamTester.

This pull request has now been integrated.

Changeset: 2d3c9c5e
Author:    Albert Mingkun Yang <ayang at openjdk.org>
URL:       https://git.openjdk.org/jdk/commit/2d3c9c5e673cf72fd4873fb5139e7d7a3d65a097
Stats:     120 lines in 5 files changed: 118 ins; 1 del; 1 mod

8325553: Parallel: Use per-marker cache for marking stats during Full GC

Reviewed-by: sjohanss, tschatzl

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PR: https://git.openjdk.org/jdk/pull/17788