8316608: Enable parallelism in vmTestbase/gc/vector tests

[roy-soumadipta]

Backporting the fix for https://bugs.openjdk.org/browse/JDK-8316608 merged as part of openjdk/jdk#16028.
https://github.com/openjdk/jdk/commit/f61499c73fe03e2e3680d7f58a84183364c5c5ac.patch could be applied cleanly.

Run details on AL2_x86_64:

Fastdebug
before: 4741.91s user 91.12s system 588% cpu 13:41.56 total
after: 3451.17s user 43.90s system 3196% cpu 1:49.33 total

Release 11
before: 2905.04s user 93.12s system 394% cpu 12:39.98 total
after: 2745.40s user 57.49s system 3319% cpu 1:24.43 total

---

Progress

• Change must not contain extraneous whitespace
• Commit message must refer to an issue
• JDK-8316608 needs maintainer approval

Issue

• JDK-8316608: Enable parallelism in vmTestbase/gc/vector tests (Enhancement - P4 - Approved)

Reviewing

Using git

Checkout this PR locally:
$ git fetch https://git.openjdk.org/jdk11u-dev.git pull/2630/head:pull/2630
$ git checkout pull/2630

Update a local copy of the PR:
$ git checkout pull/2630
$ git pull https://git.openjdk.org/jdk11u-dev.git pull/2630/head

Using Skara CLI tools

Checkout this PR locally:
$ git pr checkout 2630

View PR using the GUI difftool:
$ git pr show -t 2630

Using diff file

Download this PR as a diff file:
https://git.openjdk.org/jdk11u-dev/pull/2630.diff

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[bridgekeeper]

👋 Welcome back roy-soumadipta! 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]

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

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

8316608: Enable parallelism in vmTestbase/gc/vector tests

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 24 new commits pushed to the master branch:

• 4daa077: 8315834: Open source several Swing JSpinner related tests
• 7d0de46: 8061729: Update java/net tests to eliminate dependency on sun.net.www.MessageHeader and some other internal APIs
• dd927ed: 8305645: System Tray icons get corrupted when Windows primary monitor changes
• 21f04a2: 8218917: KeyEvent.getModifiers() returns inconsistent values for ALT keys
• aa16bfe: 8319128: sun/security/pkcs11 tests fail on OL 7.9 aarch64
• 2e46aad: 8268974: GetJREPath() JLI function fails to locate libjava.so if not standard Java launcher is used
• eca3696: 8310923: Refactor Currency tests to use JUnit
• 2f285fd: 8323994: gtest runner repeats test name for every single gtest assertion
• 9ac4063: 8299677: Formatter.format might take a long time to format an integer or floating-point
• 6808c5c: 8320005: Allow loading of shared objects with .a extension on AIX
• ... and 14 more: https://git.openjdk.org/jdk11u-dev/compare/d98b4607e73d74b4b4f77c5e6363486241156926...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.

As you do not have Committer status in this project an existing Committer must agree to sponsor your change.

➡️ To flag this PR as ready for integration with the above commit message, type /integrate in a new comment. (Afterwards, your sponsor types /sponsor in a new comment to perform the integration).

[openjdk]

This backport pull request has now been updated with issue from the original commit.

[openjdk]

⚠️ @roy-soumadipta This change is now ready for you to apply for maintainer approval. This can be done directly in each associated issue or by using the /approval command.

[roy-soumadipta]

/approval request Improves test performance. Applies cleanly, test still passes.

[openjdk]

@roy-soumadipta
8316608: The approval request has been created successfully.

[mlbridge]

Webrevs

• 00: Full (cccb04f8)

[roy-soumadipta]

/integrate

[openjdk]

@roy-soumadipta
Your change (at version cccb04f) is now ready to be sponsored by a Committer.

[shipilev]

/sponsor

[openjdk]

Going to push as commit 4941b84.
Since your change was applied there have been 24 commits pushed to the master branch:

• 4daa077: 8315834: Open source several Swing JSpinner related tests
• 7d0de46: 8061729: Update java/net tests to eliminate dependency on sun.net.www.MessageHeader and some other internal APIs
• dd927ed: 8305645: System Tray icons get corrupted when Windows primary monitor changes
• 21f04a2: 8218917: KeyEvent.getModifiers() returns inconsistent values for ALT keys
• aa16bfe: 8319128: sun/security/pkcs11 tests fail on OL 7.9 aarch64
• 2e46aad: 8268974: GetJREPath() JLI function fails to locate libjava.so if not standard Java launcher is used
• eca3696: 8310923: Refactor Currency tests to use JUnit
• 2f285fd: 8323994: gtest runner repeats test name for every single gtest assertion
• 9ac4063: 8299677: Formatter.format might take a long time to format an integer or floating-point
• 6808c5c: 8320005: Allow loading of shared objects with .a extension on AIX
• ... and 14 more: https://git.openjdk.org/jdk11u-dev/compare/d98b4607e73d74b4b4f77c5e6363486241156926...master

Your commit was automatically rebased without conflicts.

[openjdk]

@shipilev @roy-soumadipta Pushed as commit 4941b84.

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