RFR: 8341013: Optimize x86/aarch64 MD5 intrinsics by reducing data dependency

[Andrew Haley]

On Fri, 27 Sep 2024 14:55:52 GMT, Andrew Haley <aph at openjdk.org> wrote:

>>> Given that there is so little advantage, almost down in the noise, you should do that.
>> 
>> Just to check we're talking about the same results - the improvement shown in my aarch64 run is the same (actually a littler more) as the x86 run; around 5.6%, and very high confidence (+-0.1%).
>
>> > Given that there is so little advantage, almost down in the noise, you should do that.
>> 
>> Just to check we're talking about the same results - the improvement shown in my aarch64 run is the same (actually a littler more) as the x86 run; around 5.6%, and very high confidence (+-0.1%).
> 
> OK, fair enough.

> Thanks all for reviewing. @theRealAph - any concerns with integrating?

No, should be fine.

-------------

PR Comment: https://git.openjdk.org/jdk/pull/21203#issuecomment-2382839456