On Fri, 31 Jan 2025 16:48:09 GMT, Jamil Nimeh <jni...@openjdk.org> wrote:
> This enhancement makes a change to the ChaCha20 block function intrinsic on > aarch64, moving away from the block parallel implementation and to the > quarter-round parallel implementation that was done on x86_64. Assembly > language profiling yielded an 11% improvement in throughput. When put > together as an intrinsic and hooked into the JCE ChaCha20 cipher, the gains > are more modest, somewhere in the 2-4% range depending on job size, but still > an improvement. This pull request has now been integrated. Changeset: ee4caa41 Author: Jamil Nimeh <jni...@openjdk.org> URL: https://git.openjdk.org/jdk/commit/ee4caa4180e76911ee75148583c2923f847f8605 Stats: 166 lines in 1 file changed: 71 ins; 1 del; 94 mod 8349106: Change ChaCha20 intrinsic to use quarter-round parallel implementation on aarch64 Reviewed-by: aph ------------- PR: https://git.openjdk.org/jdk/pull/23397
