RFR: 8325553: Parallel: Use per-marker cache for marking stats during Full GC [v2]
Albert Mingkun Yang
ayang at openjdk.org
Wed Feb 14 14:13:20 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 three additional commits since the last revision:
- 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/e22e97df..180b2df6
Webrevs:
- full: https://webrevs.openjdk.org/?repo=jdk&pr=17788&range=01
- incr: https://webrevs.openjdk.org/?repo=jdk&pr=17788&range=00-01
Stats: 10642 lines in 431 files changed: 3836 ins; 4505 del; 2301 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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