RFR: 8325553: Parallel: Use per-marker cache for marking stats during Full GC [v3]
Albert Mingkun Yang
ayang at openjdk.org
Thu Feb 15 15:59:22 UTC 2024
> 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.
Albert Mingkun Yang has updated the pull request with a new target base due to a merge or a rebase. The incremental webrev excludes the unrelated changes brought in by the merge/rebase. The pull request contains five additional commits since the last revision:
- review
- Merge branch 'master' into pgc-full-gc-cache
- review
- Merge branch 'master' into pgc-full-gc-cache
- pgc-full-gc-cache
-------------
Changes:
- all: https://git.openjdk.org/jdk/pull/17788/files
- new: https://git.openjdk.org/jdk/pull/17788/files/180b2df6..b99ef273
Webrevs:
- full: https://webrevs.openjdk.org/?repo=jdk&pr=17788&range=02
- incr: https://webrevs.openjdk.org/?repo=jdk&pr=17788&range=01-02
Stats: 9904 lines in 180 files changed: 3281 ins; 5082 del; 1541 mod
Patch: https://git.openjdk.org/jdk/pull/17788.diff
Fetch: git fetch https://git.openjdk.org/jdk.git pull/17788/head:pull/17788
PR: https://git.openjdk.org/jdk/pull/17788
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