On Fri, 8 May 2026 09:13:27 GMT, Tobias Hartmann <[email protected]> wrote:
> The test is already quite slow in mainline because of the daemon > `GarbageProducerThread` which triggers massive GC activity. With > `--enable-preview` the jimage paths, including preview directory processing > in `src/java.base/share/classes/jdk/internal/jimage/ImageReader.java`, are > all C2 compiled due to `-Xcomp` and while that happens, the daemon thread > keeps issuing synchronous explicit GCs accumulating ~223 extra Full GCs and > ~15.6s extra Full-GC pause times. > > While this overhead of `jimage` is a more general issue, there's no real > benefit in running this particular test with `-Xcomp` (even without > Valhalla). So let's exclude it. > > Thanks, > Tobias > > --------- > - [x] I confirm that I make this contribution in accordance with the [OpenJDK > Interim AI Policy](https://openjdk.org/legal/ai). Looks reasonable! ------------- Marked as reviewed by chagedorn (Committer). PR Review: https://git.openjdk.org/valhalla/pull/2415#pullrequestreview-4252341986
