RFR: 8322770: Implement C2 VectorizedHashCode on AArch64

Mikhail Ablakatov duke at openjdk.org
Wed Apr 24 13:39:29 UTC 2024


On Mon, 22 Apr 2024 14:42:40 GMT, Mikhail Ablakatov <duke at openjdk.org> wrote:

> You only need one load, add, and multiply per iteration.
> You don't need to add across columns until the end.

@theRealAph , I've tried to follow the suggested approach, please find the patch and result in https://github.com/mikabl-arm/jdk/commit/e352f30d89e99417231ae7bb66b325c68a76eef9 .

 So far I wasn't able to see any performance benefits compared to an implementations from this MR.

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PR Comment: https://git.openjdk.org/jdk/pull/18487#issuecomment-2074972579


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