8333462: Performance regression of new DecimalFormat() when compare to jdk11

[lingjun-cg]

---

Progress

• Change must not contain extraneous whitespace
• Commit message must refer to an issue
• JDK-8333462 needs maintainer approval

Issue

• JDK-8333462: Performance regression of new DecimalFormat() when compare to jdk11 (Bug - P4 - Approved)

Reviewing

Using git

Checkout this PR locally:
$ git fetch https://git.openjdk.org/jdk21u-dev.git pull/692/head:pull/692
$ git checkout pull/692

Update a local copy of the PR:
$ git checkout pull/692
$ git pull https://git.openjdk.org/jdk21u-dev.git pull/692/head

Using Skara CLI tools

Checkout this PR locally:
$ git pr checkout 692

View PR using the GUI difftool:
$ git pr show -t 692

Using diff file

Download this PR as a diff file:
https://git.openjdk.org/jdk21u-dev/pull/692.diff

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[bridgekeeper]

👋 Welcome back lingjun-cg! 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]

@lingjun-cg 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:

8333462: Performance regression of new DecimalFormat() when compare to jdk11

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 116 new commits pushed to the master branch:

• b15ec4a: 8211847: [aix] java/lang/ProcessHandle/InfoTest.java fails: "reported cputime less than expected"
• 6b4fa86: 8170817: G1: Returning MinTLABSize from unsafe_max_tlab_alloc causes TLAB flapping
• e456f8b: 8319406: x86: Shorter movptr(reg, imm) for 32-bit immediates
• 75287b5: 8330027: Identity hashes of archived objects must be based on a reproducible random seed
• cbd67f9: Merge
• a0b3c6c: 8334441: Mark tests in jdk_security_infra group as manual
• 3ce370a: 8323584: AArch64: Unnecessary ResourceMark in NativeCall::set_destination_mt_safe
• ad5e16f: 8325587: Shenandoah: ShenandoahLock should allow blocking in VM
• 03a7176: 8333099: Missing check for is_LoadVector in StoreNode::Identity
• f9f11d7: 8334867: Add back assertion from JDK-8325494
• ... and 106 more: https://git.openjdk.org/jdk21u-dev/compare/e7a7af0ea9bfd9173a777b077b90b20932f8ccdd...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.

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➡️ 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]

⚠️ @lingjun-cg 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.

[mlbridge]

Webrevs

• 00: Full (51f0d7ff)

[lingjun-cg]

/approval request Performance regression of new DecimalFormat() when compare to jdk11.

[openjdk]

@lingjun-cg
8333462: The approval request has been created successfully.

[lingjun-cg]

/integrate

[openjdk]

@lingjun-cg
Your change (at version 51f0d7f) is now ready to be sponsored by a Committer.

[DamonFool]

/integrate

[DamonFool]

/sponsor

[openjdk]

@DamonFool Only the author (@lingjun-cg) is allowed to issue the integrate command. As this pull request is ready to be sponsored, and you are an eligible sponsor, did you mean to issue the /sponsor command?

[openjdk]

Going to push as commit 7ff9ec6.
Since your change was applied there have been 116 commits pushed to the master branch:

• b15ec4a: 8211847: [aix] java/lang/ProcessHandle/InfoTest.java fails: "reported cputime less than expected"
• 6b4fa86: 8170817: G1: Returning MinTLABSize from unsafe_max_tlab_alloc causes TLAB flapping
• e456f8b: 8319406: x86: Shorter movptr(reg, imm) for 32-bit immediates
• 75287b5: 8330027: Identity hashes of archived objects must be based on a reproducible random seed
• cbd67f9: Merge
• a0b3c6c: 8334441: Mark tests in jdk_security_infra group as manual
• 3ce370a: 8323584: AArch64: Unnecessary ResourceMark in NativeCall::set_destination_mt_safe
• ad5e16f: 8325587: Shenandoah: ShenandoahLock should allow blocking in VM
• 03a7176: 8333099: Missing check for is_LoadVector in StoreNode::Identity
• f9f11d7: 8334867: Add back assertion from JDK-8325494
• ... and 106 more: https://git.openjdk.org/jdk21u-dev/compare/e7a7af0ea9bfd9173a777b077b90b20932f8ccdd...master

Your commit was automatically rebased without conflicts.

[openjdk]

@DamonFool @lingjun-cg Pushed as commit 7ff9ec6.

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