8280030: [REDO] Parallel: More precise boundary in ObjectStartArray::object_starts_in_range

[albertnetymk]

Second try in refining the range calculation in ObjectStartArray::object_starts_in_range.

Test: tier1-6

---

Progress

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Issue

• JDK-8280030: [REDO] Parallel: More precise boundary in ObjectStartArray::object_starts_in_range

Reviewers

• Stefan Johansson (@kstefanj - Reviewer)
• Thomas Schatzl (@tschatzl - Reviewer)

Reviewing

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Update a local copy of the PR:
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$ git pull https://git.openjdk.java.net/jdk pull/7111/head

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[bridgekeeper]

👋 Welcome back ayang! A progress list of the required criteria for merging this PR into master will be added to the body of your pull request. There are additional pull request commands available for use with this pull request.

[openjdk]

@albertnetymk The following label will be automatically applied to this pull request:

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[mlbridge]

Webrevs

• 01: Full - Incremental (d6befa02)
• 00: Full (a3ad3883)

[kstefanj]

Thanks for doing the extra testing. Looks good.

[openjdk]

@albertnetymk This change now passes all automated pre-integration checks.

ℹ️ This project also has non-automated pre-integration requirements. Please see the file CONTRIBUTING.md for details.

After integration, the commit message for the final commit will be:

8280030: [REDO] Parallel: More precise boundary in ObjectStartArray::object_starts_in_range

Reviewed-by: sjohanss, tschatzl

You can use pull request commands such as /summary, /contributor and /issue to adjust it as needed.

At the time when this comment was updated there had been 154 new commits pushed to the master branch:

• c43ce85: 8278302: [s390] Implement fast-path for ASCII-compatible CharsetEncoders
• 1b14157: 8280274: Guard printing code of Compile::print_method in PRODUCT
• 2155afe: 8280503: Use allStatic.hpp instead of allocation.hpp where possible
• 295b263: 8279241: G1 Full GC does not always slide memory to bottom addresses
• b327746: 8280384: Parallel: Remove VMThread specific ParCompactionManager
• 5380472: 8280470: Confusing instanceof check in HijrahChronology.range
• a59d717: 8280289: Enhance debug pp() command with NMT info
• f35df5b: 8280422: thread_from_jni_environment can never return NULL
• e307655: 8280403: RegEx: String.split can fail with NPE in Pattern.CharPredicate::match
• 52ddbe2: Merge
• ... and 144 more: https://git.openjdk.java.net/jdk/compare/9e536b64705f841b224d0e64cad0f1609ebf5bca...master

As there are no conflicts, your changes will automatically be rebased on top of these commits when integrating. If you prefer to avoid this automatic rebasing, please check the documentation for the /integrate command for further details.

➡️ To integrate this PR with the above commit message to the master branch, type /integrate in a new comment.

[tschatzl]

Lgtm.

[albertnetymk]

Thanks for the review.

/integrate

[openjdk]

Going to push as commit 496baad.
Since your change was applied there have been 157 commits pushed to the master branch:

• 4503d04: 8280375: G1: Tighten mem region limit in G1RebuildRemSetHeapRegionClosure
• 36fbec7: 8280241: (aio) AsynchronousSocketChannel init fails in IPv6 only Windows env
• 28796cb: 8163921: HttpURLConnection default Accept header is malformed according to HTTP/1.1 RFC
• c43ce85: 8278302: [s390] Implement fast-path for ASCII-compatible CharsetEncoders
• 1b14157: 8280274: Guard printing code of Compile::print_method in PRODUCT
• 2155afe: 8280503: Use allStatic.hpp instead of allocation.hpp where possible
• 295b263: 8279241: G1 Full GC does not always slide memory to bottom addresses
• b327746: 8280384: Parallel: Remove VMThread specific ParCompactionManager
• 5380472: 8280470: Confusing instanceof check in HijrahChronology.range
• a59d717: 8280289: Enhance debug pp() command with NMT info
• ... and 147 more: https://git.openjdk.java.net/jdk/compare/9e536b64705f841b224d0e64cad0f1609ebf5bca...master

Your commit was automatically rebased without conflicts.

[openjdk]

@albertnetymk Pushed as commit 496baad.

💡 You may see a message that your pull request was closed with unmerged commits. This can be safely ignored.