RFR: 8355003: Implement JEP 515: Ahead-of-Time Method Profiling [v25]
Vladimir Kozlov
kvn at openjdk.org
Wed May 28 14:11:16 UTC 2025
On Tue, 27 May 2025 21:57:11 GMT, Igor Veresov <iveresov at openjdk.org> wrote:
>> Improve warm-up time by making profile data from a previous run of an application instantly available, when the HotSpot Java Virtual Machine starts. Specifically, enhance the [AOT cache](https://openjdk.org/jeps/483) to store method execution profiles from training runs, reducing profiling delays in subsequent production runs.
>>
>> More details in the JEP: https://bugs.openjdk.org/browse/JDK-8325147
>
> Igor Veresov has updated the pull request with a new target base due to a merge or a rebase. The pull request now contains 90 commits:
>
> - Merge branch 'master' into pp2
> - Missing part of the merge
> - Merge branch 'master' into pp2
> - Merge branch 'master' into pp2
> - 8357284: runtime/cds/appcds/aotProfile/AOTProfileFlags.java fails on non-debug platform
> - 8357283: compiler/debug/TestStressBailout.java hangs when running with AOT cache
> - Merge branch 'master' into pp2
> - Address Ioi's comments
> - Merge branch 'master' into pp2
> - Address Ioi's comments
> - ... and 80 more: https://git.openjdk.org/jdk/compare/2e8b195a...ed213368
Re-approved
-------------
Marked as reviewed by kvn (Reviewer).
PR Review: https://git.openjdk.org/jdk/pull/24886#pullrequestreview-2875268813
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