On Sun, 26 Jul 2026 20:28:13 GMT, Shawn Emery <[email protected]> wrote:
> This enhancement provides AArch64 GPR intrinsics for doubleKeccak(). > Previously, only SIMD (Neon) intrinsics were implemented for doubleKeccak() > on AArch64 systems. Performance gains for ML-KEM and ML-DSA benchmarks > improve from 2 to 9% with the GPR intrinsics: > > ML-KEM decapsulation: +2-6% ops/sec > ML-KEM encapsulation: +3-8% ops/sec > ML-KEM key generation: +4-6% ops/sec > > ML-DSA signing: +2-4% ops/sec > ML-DSA verification: +6-9% ops/sec > ML-DSA key generation: +6-8% ops/sec > > --------- > - [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: c58720aa Author: Shawn Emery <[email protected]> URL: https://git.openjdk.org/jdk/commit/c58720aa9ab793542988f4b6a4fbf9de3292844a Stats: 343 lines in 1 file changed: 153 ins; 67 del; 123 mod 8379016: Improve double_keccak() intrinsic on ARM when SHA3 instructions are not available Co-authored-by: Andrew Haley <[email protected]> Reviewed-by: adinn, aph ------------- PR: https://git.openjdk.org/jdk/pull/32049
