[jira] [Comment Edited] (GROOVY-10709) Performance regression in Gradle with Groovy 4

["Daniel Sun (Jira)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/GROOVY-10709?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17572658#comment-17572658 ] 

Daniel Sun edited comment on GROOVY-10709 at 7/28/22 9:01 PM:
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{quote}If that fixes the performance issue.. no idea, but it seems to contribute and plays a factor
{quote}
Maybe we could attach a groovy specific annotation while compiling Groovy source code, e.g. {{{}@GroovyObject{}}}. Also, the annotation should be used by Groovy compiler only.

Thoughts?


was (Author: daniel_sun):
{quote}
If that fixes the performance issue.. no idea, but it seems to contribute and plays a factor
{quote}

Maybe we could attach a groovy specific annotation while compiling Groovy source code, e.g. {{@GroovyObject}}. Also, the annotation should be used as Groovy compiler only.

Thoughts?


> Performance regression in Gradle with Groovy 4
> ----------------------------------------------
>
>                 Key: GROOVY-10709
>                 URL: https://issues.apache.org/jira/browse/GROOVY-10709
>             Project: Groovy
>          Issue Type: Bug
>    Affects Versions: 4.0.3
>            Reporter: Kyle Moore
>            Priority: Major
>         Attachments: test-results-largeAndroidBuildPerformanceAdHocTest.zip
>
>
> The Gradle team is exploring Groovy 4 as the included version for our next major release.
> Our initial performance tests show a significant regression which may be caused by excessive method calls to generate specialized exceptions that don't have stacks.
> I will attach a tome of performance data comparing Gradle built with Groovy 3.0.11 vs. 4.0.3. Interesting measurements are available at:
> * run-help/7.6-20220727093039+0000/diffs/run-help-7.6-20220727093039+0000-vs-7.5-cpu-simplified-backward-diff-flames.svg
> * performance-tests/report/index.html -> comparing "Gradle 7.5" vs. "Current Gradle" shows a significant regression.



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