RFR: 8309130: x86_64 AVX512 intrinsics for Arrays.sort methods (int, long, float and double arrays) [v22]

[Srinivas Vamsi Parasa]

On Thu, 17 Aug 2023 17:23:01 GMT, Srinivas Vamsi Parasa <duke at openjdk.org> wrote:

>> Improvements are nice but it would not pay off if you have big regressions.
>> I can accept 0.9x but 0.4x - 0.8x regressions should be investigated and implementation adjusted to avoid them.
>
>> Improvements are nice but it would not pay off if you have big regressions. I can accept 0.9x but 0.4x - 0.8x regressions should be investigated and implementation adjusted to avoid them.
> 
> Hi Vladimir,
> 
> Thank you for the suggestion! 
> Currently, AVX512sort is doing well for Random, Repeated and Shuffle patterns of input data. The regressions are observed for Staggered (Wave) pattern of input data. 
> Will investigate the regressions and adjust the implementations to address them.
> 
> Thanks,
> Vamsi

> Hi @vamsi-parasa , If there are limitations to support this on windows kindly open a follow-up PR and add its link here.

Hi Jatin, will open a follow-up PR for Windows and add a link soon.

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PR Comment: https://git.openjdk.org/jdk/pull/14227#issuecomment-1682680859