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

Tue Feb 13 10:00:08 UTC 2024

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.

Marked as reviewed by sjohanss (Reviewer).

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PR Review: https://git.openjdk.org/jdk/pull/17788#pullrequestreview-1877419227