On Wed, 19 Aug 2026 05:52:40 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). > > Shawn Emery has updated the pull request incrementally with one additional > commit since the last revision: > > Implement comments from theRealAph and adinn src/hotspot/cpu/aarch64/stubGenerator_aarch64.cpp line 5070: > 5068: } > 5069: __ str(a[24], Address(state, 192)); > 5070: } Suggestion: int i; for (i = 0; i < 24; i += 2) { __ stp(a[i], a[i + 1], Address(state, i * wordSize)); } __ str(a[i], Address(state, i * wordSize)); ------------- PR Review Comment: https://git.openjdk.org/jdk/pull/32049#discussion_r3815335328
