On Mon, 27 Oct 2025 15:19:48 GMT, Jatin Bhateja <[email protected]> wrote:
> Add a new Float16lVector type and corresponding concrete vector classes, in > addition to existing primitive vector types, maintaining operation parity > with the FloatVector type. > - Add necessary inline expander support. > - Enable intrinsification for a few vector operations, namely > ADD/SUB/MUL/DIV/MAX/MIN/SQRT/FMA. > - Use existing Float16 vector IR and backend support. > - Extended the existing VectorAPI JTREG test suite for the newly added > Float16Vector operations. > > The idea here is to first be at par with Float16 auto-vectorization support > before intrinsifying new operations (conversions, reduction, etc). > > The following are the performance numbers for some of the selected > Float16Vector benchmarking kernels compared to equivalent auto-vectorized > Float16OperationsBenchmark kernels. > > <img width="1344" height="532" alt="image" > src="https://github.com/user-attachments/assets/c8157c3c-22b0-4bc1-9de9-7a68cadb7b2a"; > /> > > Initial RFP[1] was floated on the panama-dev mailing list. > > Kindly review the draft PR and share your feedback. > > Best Regards, > Jatin > > [1] https://mail.openjdk.org/pipermail/panama-dev/2025-August/021100.html > > --------- > - [x] I confirm that I make this contribution in accordance with the [OpenJDK > Interim AI Policy](https://openjdk.org/legal/ai). This pull request has now been integrated. Changeset: 90dc4208 Author: Jatin Bhateja <[email protected]> URL: https://git.openjdk.org/jdk/commit/90dc4208f8bfcd4ed9e24d4c776be2d3b87e2435 Stats: 46470 lines in 49 files changed: 46216 ins; 10 del; 244 mod 8370691: Add new Float16Vector type and enable intrinsification of vector operations supported by auto-vectorizer Co-authored-by: Bhavana Kilambi <[email protected]> Reviewed-by: psandoz, epeter, xgong, sherman ------------- PR: https://git.openjdk.org/jdk/pull/28002
