On Sat, 26 Apr 2025 22:32:00 GMT, Vladimir Kozlov <k...@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 > > src/hotspot/share/ci/ciInstanceKlass.hpp line 47: > >> 45: friend class ciField; >> 46: friend class ciReplay; >> 47: friend class CompileTrainingData; > > Not referenced here It allows `CompileTrainingData` to peek into the `ciInstanceKlass` internals. We need the klass ptr specially. ------------- PR Review Comment: https://git.openjdk.org/jdk/pull/24886#discussion_r2061864230
