RFR: 8321013: Parallel: Refactor ObjectStartArray [v3]

Wed Dec 6 10:15:06 UTC 2023

> Port the block-offset-table algorithm from Serial/G1 to Parallel.
> 
> There is ~20% reduction in young-gc pause, using card_scan.java from https://bugs.openjdk.org/browse/JDK-8310031

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 two additional commits since the last revision:

 - Merge branch 'master' into pgc-bot
 - pgc-bot

-------------

Changes:
  - all: https://git.openjdk.org/jdk/pull/16884/files
  - new: https://git.openjdk.org/jdk/pull/16884/files/4c36f5e6..1cdec097

Webrevs:
 - full: https://webrevs.openjdk.org/?repo=jdk&pr=16884&range=02
 - incr: https://webrevs.openjdk.org/?repo=jdk&pr=16884&range=01-02

  Stats: 36920 lines in 397 files changed: 13106 ins; 22475 del; 1339 mod
  Patch: https://git.openjdk.org/jdk/pull/16884.diff
  Fetch: git fetch https://git.openjdk.org/jdk.git pull/16884/head:pull/16884

PR: https://git.openjdk.org/jdk/pull/16884