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8308103: Massive (up to ~30x) increase in C2 compilation time since JDK 17 #1827

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@GoeLin GoeLin commented Oct 4, 2023

I backport this for parity with 17.0.10-oracle.


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  • JDK-8308103 needs maintainer approval
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  • Commit message must refer to an issue

Issue

  • JDK-8308103: Massive (up to ~30x) increase in C2 compilation time since JDK 17 (Bug - P3 - Approved)

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Using git

Checkout this PR locally:
$ git fetch https://git.openjdk.org/jdk17u-dev.git pull/1827/head:pull/1827
$ git checkout pull/1827

Update a local copy of the PR:
$ git checkout pull/1827
$ git pull https://git.openjdk.org/jdk17u-dev.git pull/1827/head

Using Skara CLI tools

Checkout this PR locally:
$ git pr checkout 1827

View PR using the GUI difftool:
$ git pr show -t 1827

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Download this PR as a diff file:
https://git.openjdk.org/jdk17u-dev/pull/1827.diff

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bridgekeeper bot commented Oct 4, 2023

👋 Welcome back goetz! 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 c6ab9c2905203e1ec897b3404f9179ff975d0054 8308103: Massive (up to ~30x) increase in C2 compilation time since JDK 17 Oct 4, 2023
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openjdk bot commented Oct 4, 2023

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

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openjdk bot commented Oct 4, 2023

⚠️ @GoeLin 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 Oct 4, 2023
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mlbridge bot commented Oct 4, 2023

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GoeLin commented Oct 4, 2023

Pre-submit failure: crash in PhaseIdealLoop::build_loop_late_post_work().
TEST: java/util/zip/ZipFile/Assortment.java

Hmm, this is close to the backported change ...

@openjdk openjdk bot added the approval label Oct 5, 2023
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openjdk bot commented Oct 5, 2023

@GoeLin 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:

8308103: Massive (up to ~30x) increase in C2 compilation time since JDK 17

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 11 new commits pushed to the master branch:

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.

@openjdk openjdk bot added ready Pull request is ready to be integrated and removed approval labels Oct 5, 2023
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GoeLin commented Oct 6, 2023

/integrate

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openjdk bot commented Oct 6, 2023

Going to push as commit dbbded3.
Since your change was applied there have been 17 commits pushed to the master branch:

  • 273872c: 8301489: C1: ShortLoopOptimizer might lift instructions before their inputs
  • 9dc5ff0: 8299075: TestStringDeduplicationInterned.java fails because extra deduplication
  • c8bc1c2: 8307403: java/util/zip/DeInflate.java timed out
  • 76a402d: 8301455: comments in TestTypeAnnotations still refer to resolved JDK-8068737
  • 4c0171a: 8305505: NPE in javazic compiler
  • 1cbcea2: 8298298: NMT: count deltas are printed with 32-bit signed size
  • bf2d133: 8301377: adjust timeout for JLI GetObjectSizeIntrinsicsTest.java subtest again
  • 60ae78a: 8298872: Update CheckStatus.java for changes to TLS implementation
  • 8ef142e: 8298874: Update TestAllSuites.java for TLS v1.2 and 1.3
  • 31422d7: 8316710: Exclude java/awt/font/Rotate/RotatedTextTest.java
  • ... and 7 more: https://git.openjdk.org/jdk17u-dev/compare/ceafbb759e515e4ca42de18a0d6423e35d176059...master

Your commit was automatically rebased without conflicts.

@openjdk openjdk bot added the integrated Pull request has been integrated label Oct 6, 2023
@openjdk openjdk bot closed this Oct 6, 2023
@openjdk openjdk bot removed ready Pull request is ready to be integrated rfr Pull request is ready for review labels Oct 6, 2023
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openjdk bot commented Oct 6, 2023

@GoeLin Pushed as commit dbbded3.

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

@GoeLin GoeLin deleted the goetz_backport_8308103 branch October 6, 2023 07:17
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