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https://issues.apache.org/jira/browse/GROOVY-10307?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=18062316#comment-18062316
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ASF GitHub Bot commented on GROOVY-10307:
-----------------------------------------
codecov-commenter commented on PR #2390:
URL: https://github.com/apache/groovy/pull/2390#issuecomment-3988029009
##
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Report
:white_check_mark: All modified and coverable lines are covered by tests.
:white_check_mark: Project coverage is 66.7468%. Comparing base
([`8a40250`](https://app.codecov.io/gh/apache/groovy/commit/8a40250d9902b71edfced5475cd3dfe1d09b5059?dropdown=coverage&el=desc&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=apache))
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<details><summary>Additional details and impacted files</summary>
[](https://app.codecov.io/gh/apache/groovy/pull/2390?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=apache)
```diff
@@ Coverage Diff @@
## master #2390 +/- ##
==================================================
+ Coverage 66.7450% 66.7468% +0.0017%
- Complexity 29848 29849 +1
==================================================
Files 1382 1382
Lines 116130 116130
Branches 20471 20471
==================================================
+ Hits 77511 77513 +2
+ Misses 32286 32284 -2
Partials 6333 6333
```
[see 2 files with indirect coverage
changes](https://app.codecov.io/gh/apache/groovy/pull/2390/indirect-changes?src=pr&el=tree-more&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=apache)
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> Groovy 4 runtime performance on average 2.4x slower than Groovy 3
> -----------------------------------------------------------------
>
> Key: GROOVY-10307
> URL: https://issues.apache.org/jira/browse/GROOVY-10307
> Project: Groovy
> Issue Type: Bug
> Components: bytecode, performance
> Affects Versions: 4.0.0-beta-1, 3.0.9
> Environment: OpenJDK Runtime Environment AdoptOpenJDK-11.0.11+9
> (build 11.0.11+9)
> OpenJDK 64-Bit Server VM AdoptOpenJDK-11.0.11+9 (build 11.0.11+9, mixed mode)
> WIN10 (tests) / REL 8 (web application)
> IntelliJ 2021.2
> Reporter: mgroovy
> Priority: Major
> Attachments: groovy_3_0_9_gc.png, groovy_3_0_9_loop2.png,
> groovy_3_0_9_loop4.png, groovy_3_0_9_mem.png, groovy_4_0_0_b1_loop2.png,
> groovy_4_0_0_b1_loop4.png, groovy_4_0_0_b1_loop4_gc.png,
> groovy_4_0_0_b1_loop4_mem.png,
> groovysql_performance_groovy4_2_xx_yy_zzzz.groovy, loops.groovy,
> profile3.txt, profile4-loops.txt, profile4.txt, profile4d.txt
>
>
> Groovy 4.0.0-beta-1 runtime performance in our framework is on average 2 to 3
> times slower compared to using Groovy 3.0.9 (regular i.e. non-INDY)
> * Our complete framework and application code is completely written in
> Groovy, spread over multiple IntelliJ modules
> ** mixed @CompileDynamic/@TypeChecked and @CompileStatic
> ** No Java classes left in project, i.e. no cross compilation occurs
> * We build using IntelliJ 2021.2 Groovy build process, then run / deploy the
> compiled class files
> ** We do _not_ use a Groovy based DSL, nor do we execute Groovy scripts
> during execution
> * Performance degradation when using Groovy 4.0.0-beta-1 instead of Groovy
> 3.0.9 (non-INDY):
> ** The performance of the largest of our web applications has dropped 3x
> (startup) / 2x (table refresh) respectively
> *** Stack: Tomcat/Vaadin/Ebean plus framework generated SQL
> ** Our test suite runs about 2.4 times as long as before (120 min when using
> G4, compared to about 50 min with G3)
> *** JUnit 5
> *** test suite also contains no scripts / dynamic code execution
> *** Individual test performance varies: A small number of tests runs faster,
> but the majority is slower, with some extreme cases taking nearly 10x as long
> to finish
> * Using Groovy 3.0.9 INDY displays nearly identical performance degradation,
> so it seems that the use of invoke dynamic is somehow at fault
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