8299544: Improve performance of CRC32C intrinsics (non-AVX-512) for small inputs

[yftsai]

Backport 8c70bf3fff6f01b637f9e72a0b4c617051dbfafd

The following tests have passed.

jtreg:test/hotspot/jtreg/compiler/intrinsics/zip/TestCRC32C.java
jtreg:test/jdk/java/util/zip/TestCRC32C.java

---

Progress

• Change must be properly reviewed (1 review required, with at least 1 Reviewer)
• Change must not contain extraneous whitespace
• Commit message must refer to an issue

Issue

• JDK-8299544: Improve performance of CRC32C intrinsics (non-AVX-512) for small inputs

Reviewers

• Paul Hohensee (@phohensee - Reviewer)

Reviewing

Using git

Checkout this PR locally:
$ git fetch https://git.openjdk.org/jdk17u-dev.git pull/1345/head:pull/1345
$ git checkout pull/1345

Update a local copy of the PR:
$ git checkout pull/1345
$ git pull https://git.openjdk.org/jdk17u-dev.git pull/1345/head

Using Skara CLI tools

Checkout this PR locally:
$ git pr checkout 1345

View PR using the GUI difftool:
$ git pr show -t 1345

Using diff file

Download this PR as a diff file:
https://git.openjdk.org/jdk17u-dev/pull/1345.diff

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Link to Webrev Comment

[bridgekeeper]

👋 Welcome back yftsai! 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]

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

[mlbridge]

Webrevs

• 00: Full (7bd93064)

[phohensee]

Looks clean. Lgtm.

[openjdk]

⚠️ @yftsai the full name on your profile does not match the author name in this pull requests' HEAD commit. If this pull request gets integrated then the author name from this pull requests' HEAD commit will be used for the resulting commit. If you wish to push a new commit with a different author name, then please run the following commands in a local repository of your personal fork:

$ git checkout JDK-8299544
$ git commit --author='Preferred Full Name <you@example.com>' --allow-empty -m 'Update full name'
$ git push

[openjdk]

@yftsai 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:

8299544: Improve performance of CRC32C intrinsics (non-AVX-512) for small inputs

Reviewed-by: phh

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 62 new commits pushed to the master branch:

• e7bac42: 8295974: jni_FatalError and Xcheck:jni warnings should print the native stack when there are no Java frames
• 093f02a: 8305975: Add TWCA Global Root CA
• bf7ceda: 8282201: Consider removal of expiry check in VerifyCACerts.java test
• 398da7e: 8305088: SIGSEGV in Method::is_method_handle_intrinsic
• 1970b63: 8304054: Linux: NullPointerException from FontConfiguration.getVersion in case no fonts are installed
• 5b29c6e: 8304867: Explicitly disable dtrace for ppc builds
• d5a2309: 8297587: Upgrade JLine to 3.22.0
• 8656141: 8301216: ForkJoinPool invokeAll() ignores timeout
• 3f52961: 8296934: Write a test to verify whether Undecorated Frame can be iconified or not
• efa1786: 8292206: TestCgroupMetrics.java fails as getMemoryUsage() is lower than expected
• ... and 52 more: https://git.openjdk.org/jdk17u-dev/compare/a000b2d6b8fd13e9f7d3e71b8fe06b25fb529923...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. Possible candidates are the reviewers of this PR (@phohensee) but any other Committer may sponsor as well.

➡️ 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).

[yftsai]

/integrate

[openjdk]

@yftsai
Your change (at version 7bd9306) is now ready to be sponsored by a Committer.

[phohensee]

/sponsor

[openjdk]

Going to push as commit e55bea4.
Since your change was applied there have been 62 commits pushed to the master branch:

• e7bac42: 8295974: jni_FatalError and Xcheck:jni warnings should print the native stack when there are no Java frames
• 093f02a: 8305975: Add TWCA Global Root CA
• bf7ceda: 8282201: Consider removal of expiry check in VerifyCACerts.java test
• 398da7e: 8305088: SIGSEGV in Method::is_method_handle_intrinsic
• 1970b63: 8304054: Linux: NullPointerException from FontConfiguration.getVersion in case no fonts are installed
• 5b29c6e: 8304867: Explicitly disable dtrace for ppc builds
• d5a2309: 8297587: Upgrade JLine to 3.22.0
• 8656141: 8301216: ForkJoinPool invokeAll() ignores timeout
• 3f52961: 8296934: Write a test to verify whether Undecorated Frame can be iconified or not
• efa1786: 8292206: TestCgroupMetrics.java fails as getMemoryUsage() is lower than expected
• ... and 52 more: https://git.openjdk.org/jdk17u-dev/compare/a000b2d6b8fd13e9f7d3e71b8fe06b25fb529923...master

Your commit was automatically rebased without conflicts.

[openjdk]

@phohensee @yftsai Pushed as commit e55bea4.

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