On Fri, 29 May 2026 04:56:09 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). > > Jatin Bhateja has updated the pull request incrementally with one additional > commit since the last revision: > > Review comments resolution @jbhateja BTW: the fuzzer is not yet fully ready and reviewed - there are some design questions over there. So I'm worried that if we now integrated this PR here, and took more time for the fuzzer, the fuzzer would really have very little to no time to find issues. ------------- PR Comment: https://git.openjdk.org/jdk/pull/28002#issuecomment-4571526463
