Integrated: 8334397: RISC-V: verify perf of ReverseBytesS/US

[Hamlin Li]

On Fri, 21 Jun 2024 14:24:26 GMT, Hamlin Li <mli at openjdk.org> wrote:

> Hi,
> Can you help to review this patch?
> Thanks!
> 
> This is similar with previous JDK-8334396.
> Added some tests.
> 
> ### Test
> <google-sheets-html-origin style="caret-color: rgb(0, 0, 0); color: rgb(0, 0, 0); font-style: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; orphans: auto; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: auto; word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: none;">
>   | Tests | Scores | Errors | Unit
> -- | -- | -- | -- | --
> Intrinsic, +zbb, +rvv | Characters.reverseBytes | 1654.535 | 69.36 | ns/op
>   | Shorts.reverseBytes | 1795.403 | 44.015 | ns/op
> Intrinsic, +zbb, -rvv | Characters.reverseBytes | 1649.752 | 74.965 | ns/op
>   | Shorts.reverseBytes | 1798.637 | 49.52 | ns/op
> Intrinsic, -zbb, +rvv | Characters.reverseBytes | 2279.588 | 44.222 | ns/op
>   | Shorts.reverseBytes | 2441.674 | 63.895 | ns/op
> Intrinsic, -zbb, -rvv | Characters.reverseBytes | 2288.876 | 49.099 | ns/op
>   | Shorts.reverseBytes | 2454.454 | 94.004 | ns/op
> No intrinsic | Characters.reverseBytes | 1629.722 | 23.656 | ns/op
>   | Shorts.reverseBytes | 2108.81 | 43.378 | ns/op
> 
> </google-sheets-html-origin>

This pull request has now been integrated.

Changeset: cae94b26
Author:    Hamlin Li <mli at openjdk.org>
URL:       https://git.openjdk.org/jdk/commit/cae94b268d633b0557a54e3b21eff60d7f0edc2d
Stats:     129 lines in 4 files changed: 98 ins; 31 del; 0 mod

8334397: RISC-V: verify perf of ReverseBytesS/US

Reviewed-by: fyang, luhenry

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PR: https://git.openjdk.org/jdk/pull/19830