RFR: 8309130: x86_64 AVX512 intrinsics for Arrays.sort methods (int, long, float and double arrays) [v30]

[Sandhya Viswanathan]

On Tue, 29 Aug 2023 19:28:17 GMT, Alan Bateman <alanb at openjdk.org> wrote:

>> Srinivas Vamsi Parasa has updated the pull request incrementally with one additional commit since the last revision:
>> 
>>   Clean up parameters passed to arrayPartition; update the check to load library
>
> The changes to DualPivotQuicksort will need detailed review to ensure that this is understandable and maintainable, there is a lot here to study.
> 
> The addition of libx86_64 and having the stub generation call out to this library also needs discussion to make sure there is an agreement on how this would be integrated.

@AlanBateman If it helps, the changes made by @vamsi-parasa to DualPivotQuickSort.java don't change the logic as written in Java. They only carve out the functionality into separate Java methods retaining the meaning exactly as before. These Java methods are then optimized through a stub.

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PR Comment: https://git.openjdk.org/jdk/pull/14227#issuecomment-1698079501