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Posted to issues@ignite.apache.org by "Ivan Bessonov (Jira)" <ji...@apache.org> on 2025/05/06 06:45:00 UTC
[jira] [Commented] (IGNITE-25284) GridUnsafe#wrapPointer should always use explicit method handles
[ https://issues.apache.org/jira/browse/IGNITE-25284?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17949636#comment-17949636 ]
Ivan Bessonov commented on IGNITE-25284:
----------------------------------------
Benchmark results. Underwhelming, but it got better.
h4. main, Java 11:
{code:java}
Benchmark Mode Cnt Score Error Units
WrapPointerBenchmark.benchmarkWrapPointer thrpt 10 106.766 ± 12.305 ops/us {code}
h4. main, Java 17:
{code:java}
Benchmark Mode Cnt Score Error Units
WrapPointerBenchmark.benchmarkWrapPointer thrpt 10 131.503 ± 10.664 ops/us {code}
h4. main, Java 21:
{code:java}
Benchmark Mode Cnt Score Error Units
WrapPointerBenchmark.benchmarkWrapPointer thrpt 10 126.148 ± 15.574 ops/us {code}
h4. branch, Java 11:
{code:java}
Benchmark Mode Cnt Score Error Units
WrapPointerBenchmark.benchmarkWrapPointer thrpt 10 135.922 ± 0.660 ops/us{code}
h4. branch, Java 17:
{code:java}
Benchmark Mode Cnt Score Error Units
WrapPointerBenchmark.benchmarkWrapPointer thrpt 10 161.761 ± 4.122 ops/us {code}
h4. branch, Java 21:
{code:java}
Benchmark Mode Cnt Score Error Units
WrapPointerBenchmark.benchmarkWrapPointer thrpt 10 167.184 ± 10.658 ops/us {code}
> GridUnsafe#wrapPointer should always use explicit method handles
> ----------------------------------------------------------------
>
> Key: IGNITE-25284
> URL: https://issues.apache.org/jira/browse/IGNITE-25284
> Project: Ignite
> Issue Type: Improvement
> Reporter: Ivan Bessonov
> Assignee: Ivan Bessonov
> Priority: Major
> Labels: ignite-3
> Time Spent: 1.5h
> Remaining Estimate: 0h
>
> If method handle is static and final, JIT will be able to optimize it. Current code doesn't allow for such optimizations, making "wrapPointer" slow
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