> This PR delivers ChaCha20 intrinsics that accelerate the core block function > that generates key stream from the key, counter and nonce. Intrinsics have > been written for the following platforms and instruction sets: > > - x86_64: AVX, AVX2 and AVX512 > - aarch64: platforms that support the advanced SIMD instructions > > Note: Microbenchmark results moved to a comment in the PR so we don't have to > see it in every email. > > Special thanks to the folks who have made many helpful comments while this PR > was in draft form.
Jamil Nimeh has updated the pull request incrementally with one additional commit since the last revision: replace hi/lo word shuffles and left-right shift/or operations for vpshufd on byte-aligned rotations ------------- Changes: - all: https://git.openjdk.org/jdk/pull/7702/files - new: https://git.openjdk.org/jdk/pull/7702/files/53b432e5..8d4b7ba7 Webrevs: - full: https://webrevs.openjdk.org/?repo=jdk&pr=7702&range=02 - incr: https://webrevs.openjdk.org/?repo=jdk&pr=7702&range=01-02 Stats: 66 lines in 2 files changed: 42 ins; 5 del; 19 mod Patch: https://git.openjdk.org/jdk/pull/7702.diff Fetch: git fetch https://git.openjdk.org/jdk pull/7702/head:pull/7702 PR: https://git.openjdk.org/jdk/pull/7702
