> Patch optimizes Vector.slice operation with constant index using x86 ALIGNR > instruction. > Intrinsification is performed using new hybrid call generator infrastructure > added along with https://github.com/openjdk/jdk/pull/30876 which performs > lazy intrinsification and in case of intrinsic failure which will happen for > variable slice index will perform procedural inlining of fallback > implementation to prevent call overhead and boxing penalties. The existing > vector API-based slice implementation is now the fallback code. > > Vector API jtreg tests pass at various AVX levels. > > Following are the performance numbers of benchmark included with the patch:- > > > <img width="985" height="953" alt="image" > src="https://github.com/user-attachments/assets/dfd7d540-bd9c-4349-a0d6-f78cb5304bfb"; > /> > <img width="986" height="487" alt="image" > src="https://github.com/user-attachments/assets/78f01e67-74fa-41ce-8bc3-1d6ea2e54243"; > /> > > > Kindly review and share your feedback. > > Best Regards, > Jatin > > --------- > - [x] I confirm that I make this contribution in accordance with the [OpenJDK > Interim AI Policy](https://openjdk.org/legal/ai).
Jatin Bhateja has updated the pull request incrementally with one additional commit since the last revision: Regenerating jdk.incubator.vector sources post merge ------------- Changes: - all: https://git.openjdk.org/jdk/pull/24104/files - new: https://git.openjdk.org/jdk/pull/24104/files/8ac82609..1438b375 Webrevs: - full: https://webrevs.openjdk.org/?repo=jdk&pr=24104&range=23 - incr: https://webrevs.openjdk.org/?repo=jdk&pr=24104&range=22-23 Stats: 24 lines in 2 files changed: 12 ins; 0 del; 12 mod Patch: https://git.openjdk.org/jdk/pull/24104.diff Fetch: git fetch https://git.openjdk.org/jdk.git pull/24104/head:pull/24104 PR: https://git.openjdk.org/jdk/pull/24104
