On Tue, 10 Dec 2024 08:34:30 GMT, Jatin Bhateja <jbhat...@openjdk.org> wrote:
>> Quan Anh Mai has updated the pull request incrementally with one additional >> commit since the last revision: >> >> Change wording on VectorLoadShuffleNode >> >> Co-authored-by: Jatin Bhateja <jatin.bhat...@intel.com> > > I am observing some performance drops in slice / unslice benchmarks, I have > just completed this run and not got a chance to root cause. >  > > Can you kindly verify once at your end. @jatin-bhateja Thanks for the performance notice, it was due to the failure to inline `VectorSupport::convert` which I believe is similar to [JDK-8302459](https://bugs.openjdk.org/browse/JDK-8302459) because the `convert` sequence is pretty complex. For now, I refactor the `slice/unslice` routines to take advantage of `toBitsVector`, could you verify if the change fixes the regression on your side? ------------- PR Comment: https://git.openjdk.org/jdk/pull/21042#issuecomment-2532158271
