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). With these changes, @mcpowers has also confirmed improved benchmark results on a Neoverse-N1 as follows: > ML-DSA key generation: +6.33% to +7.25% > ML-DSA signing: +1.87% to +4.57% > ML-DSA verification: +4.12% to +8.97% > ML-KEM decapsulation: +2.29% to +4.42% > ML-KEM encapsulation: +3.49% to +5.53% > ML-KEM key generation: +4.16% to +6.31% ------------- PR Comment: https://git.openjdk.org/jdk/pull/32049#issuecomment-5335875151
