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8322790: RISC-V: Tune costs for shuffles with no conversion #265

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Ilyagavrilin
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@Ilyagavrilin Ilyagavrilin commented Feb 16, 2024

Hi all, I would like to backport JDK-8322790 to jdk21u-dev in order to improve performance for methods operating with integer representations of floating point values.
Patch applies clean, backported to jdk22u.


Progress

  • JDK-8322790 needs maintainer approval
  • Change must not contain extraneous whitespace
  • Commit message must refer to an issue

Issue

  • JDK-8322790: RISC-V: Tune costs for shuffles with no conversion (Enhancement - P4 - Approved)

Reviewing

Using git

Checkout this PR locally:
$ git fetch https://git.openjdk.org/jdk21u-dev.git pull/265/head:pull/265
$ git checkout pull/265

Update a local copy of the PR:
$ git checkout pull/265
$ git pull https://git.openjdk.org/jdk21u-dev.git pull/265/head

Using Skara CLI tools

Checkout this PR locally:
$ git pr checkout 265

View PR using the GUI difftool:
$ git pr show -t 265

Using diff file

Download this PR as a diff file:
https://git.openjdk.org/jdk21u-dev/pull/265.diff

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bridgekeeper bot commented Feb 16, 2024

👋 Welcome back igavrilin! 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 openjdk bot changed the title Backport 2acb5bd9924511b58b0e57ea9eb6c2dee9fd3ee8 8322790: RISC-V: Tune costs for shuffles with no conversion Feb 16, 2024
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openjdk bot commented Feb 16, 2024

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

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openjdk bot commented Feb 16, 2024

⚠️ @Ilyagavrilin 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.

@openjdk openjdk bot added the rfr Pull request is ready for review label Feb 16, 2024
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mlbridge bot commented Feb 16, 2024

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@Ilyagavrilin
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/approval request I would like to backport this change into jdk21u-dev; Applies clean, low risk, RISC-V only change, only insertion costs changed, backported to jdk22u; Improves performance for java methods that use floating point<->integer shuffles with no conversion

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openjdk bot commented Feb 16, 2024

@Ilyagavrilin
8322790: The approval request has been created successfully.

@openjdk openjdk bot added the approval label Feb 16, 2024
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openjdk bot commented Feb 19, 2024

@Ilyagavrilin 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:

8322790: RISC-V: Tune costs for shuffles with no conversion

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 35 new commits pushed to the master branch:

  • a9792a8: 8324874: AArch64: crypto pmull based CRC32/CRC32C intrinsics clobber V8-V15 registers
  • d6f4f5e: 8318737: Fallback linker passes bad JNI handle
  • 4d4c47d: 8320890: [AIX] Find a better way to mimic dl handle equality
  • 93be33c: 8325672: C2: allocate PhaseIdealLoop::_loop_or_ctrl from C->comp_arena()
  • 70112e3: 8315891: java/foreign/TestLinker.java failed with "error occurred while instantiating class TestLinker: null"
  • e181516: 8315602: Open source swing security manager test
  • 70fa49e: 8324347: Enable "maybe-uninitialized" warning for FreeType 2.13.1
  • 1c92a05: 8318603: Parallelize sun/java2d/marlin/ClipShapeTest.java
  • 941ca60: 8009550: PlatformPCSC should load versioned so
  • fb19cb3: 8319314: NMT detail report slow or hangs for large number of mappings
  • ... and 25 more: https://git.openjdk.org/jdk21u-dev/compare/ffab458d5c08866bd29198b8019637093f089eb5...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 openjdk bot added ready Pull request is ready to be integrated and removed approval labels Feb 19, 2024
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/integrate

@openjdk openjdk bot added the sponsor Pull request is ready to be sponsored label Feb 20, 2024
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openjdk bot commented Feb 20, 2024

@Ilyagavrilin
Your change (at version 13dd538) is now ready to be sponsored by a Committer.

@VladimirKempik
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/sponsor

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openjdk bot commented Feb 20, 2024

Going to push as commit 4fcc5c7.
Since your change was applied there have been 35 commits pushed to the master branch:

  • a9792a8: 8324874: AArch64: crypto pmull based CRC32/CRC32C intrinsics clobber V8-V15 registers
  • d6f4f5e: 8318737: Fallback linker passes bad JNI handle
  • 4d4c47d: 8320890: [AIX] Find a better way to mimic dl handle equality
  • 93be33c: 8325672: C2: allocate PhaseIdealLoop::_loop_or_ctrl from C->comp_arena()
  • 70112e3: 8315891: java/foreign/TestLinker.java failed with "error occurred while instantiating class TestLinker: null"
  • e181516: 8315602: Open source swing security manager test
  • 70fa49e: 8324347: Enable "maybe-uninitialized" warning for FreeType 2.13.1
  • 1c92a05: 8318603: Parallelize sun/java2d/marlin/ClipShapeTest.java
  • 941ca60: 8009550: PlatformPCSC should load versioned so
  • fb19cb3: 8319314: NMT detail report slow or hangs for large number of mappings
  • ... and 25 more: https://git.openjdk.org/jdk21u-dev/compare/ffab458d5c08866bd29198b8019637093f089eb5...master

Your commit was automatically rebased without conflicts.

@openjdk openjdk bot added the integrated Pull request has been integrated label Feb 20, 2024
@openjdk openjdk bot closed this Feb 20, 2024
@openjdk openjdk bot removed ready Pull request is ready to be integrated rfr Pull request is ready for review sponsor Pull request is ready to be sponsored labels Feb 20, 2024
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openjdk bot commented Feb 20, 2024

@VladimirKempik @Ilyagavrilin Pushed as commit 4fcc5c7.

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

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