RFR: 8341527: AVX-512 intrinsic for SHA3 [v4]

Vladimir Kozlov kvn at openjdk.org
Wed Oct 16 18:17:13 UTC 2024


On Sat, 5 Oct 2024 16:47:12 GMT, Ferenc Rakoczi <duke at openjdk.org> wrote:

>> There is already an intrinsic for SHA-3 for aarch64, which gives significant speed improvement on that architecture, so this pull request is bringing similar improvement for tha x64 family of systems that have the AVX-512 extension. Rudimentary measurements show that 30-40% speed improvement can be achieved.
>
> Ferenc Rakoczi has updated the pull request with a new target base due to a merge or a rebase. The incremental webrev excludes the unrelated changes brought in by the merge/rebase. The pull request contains four additional commits since the last revision:
> 
>  - Merge branch 'master' into sha3-avx512-intrinsic
>  - fix windows build
>  - fix debug build
>  - 8341527: AVX-512 intrinsic for SHA3

"Failure 2" is due to issue I pointed about [compiler/testlibrary/sha/predicate/IntrinsicPredicates.java#L10](https://github.com/openjdk/jdk/blob/master/test/hotspot/jtreg/compiler/testlibrary/sha/predicate/IntrinsicPredicates.java#L106)

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PR Comment: https://git.openjdk.org/jdk/pull/21352#issuecomment-2417575985


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