[vectorIntrinsics] RFR: 8343689: AArch64: Optimize MulReduction implementation

Mikhail Ablakatov mablakatov at openjdk.org
Thu Jan 16 11:53:59 UTC 2025


On Tue, 14 Jan 2025 17:27:27 GMT, Paul Sandoz <psandoz at openjdk.org> wrote:

> @mikabl-arm you can create a PR with this change against https://github.com/openjdk/jdk. Since the Vector API is incubating in the jdk/master repo we prefer to target such changes as this to that repo.

Hello,  @PaulSandoz , this seems reasonable, thank you. The only small issue is that [openjdk/jdk](https://github.com/openjdk/jdk) doesn't have benchmarks from [panama-vector/vectorIntrinsics:test/micro/org/openjdk/bench/jdk/incubator/vector/operation](https://github.com/openjdk/panama-vector/tree/vectorIntrinsics/test/micro/org/openjdk/bench/jdk/incubator/vector/operation) referenced by this PR / commit message.  I can neither find alternative reduction benchmarks at [openjdk/master:test/micro/org/openjdk/bench/jdk/incubator/vector](https://github.com/openjdk/jdk/tree/master/test/micro/org/openjdk/bench/jdk/incubator/vector) . Please clarify whether I should introduce new benchmarks based on the ones referenced by this PR to  [openjdk/jdk](https://github.com/openjdk/jdk) or it will suffice to do something else, like referencing benchmarks from this repo in the comments for a newly created PR.

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PR Comment: https://git.openjdk.org/panama-vector/pull/225#issuecomment-2595316725


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