RFR: 8321013: Parallel: Refactor ObjectStartArray [v2]

Mon Dec 4 14:15:47 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 pull request now contains one commit:

  pgc-bot

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Changes: https://git.openjdk.org/jdk/pull/16884/files
 Webrev: https://webrevs.openjdk.org/?repo=jdk&pr=16884&range=01
  Stats: 319 lines in 11 files changed: 67 ins; 167 del; 85 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