RFR: 8339668: Parallel: Adopt PartialArrayState to consolidate marking stack in compact GC
Zhengyu Gu
zgu at openjdk.org
Thu Sep 19 14:05:56 UTC 2024
Please review this patch that adopts `PartialArrayState`introduced by [JDK-8337709](https://bugs.openjdk.org/browse/JDK-8337709) to consolidate `_oop_task_queues` and `_objarray_task_queues` into single `_marking_stacks`.
The change mirrors Kim's [JDK-8311163](https://bugs.openjdk.org/browse/JDK-8311163) work, therefore, there are methods can be consolidated and simplified, but I would like defer to a followup CR.
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Commit messages:
- v7
- v6
- v5
- v4
- v3
- Correct marking stride
- v2 - tq stats
- v1
- v0
Changes: https://git.openjdk.org/jdk/pull/21089/files
Webrev: https://webrevs.openjdk.org/?repo=jdk&pr=21089&range=00
Issue: https://bugs.openjdk.org/browse/JDK-8339668
Stats: 262 lines in 5 files changed: 152 ins; 44 del; 66 mod
Patch: https://git.openjdk.org/jdk/pull/21089.diff
Fetch: git fetch https://git.openjdk.org/jdk.git pull/21089/head:pull/21089
PR: https://git.openjdk.org/jdk/pull/21089
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