On Wed, 20 Sep 2023 22:46:16 GMT, Srinivas Vamsi Parasa <d...@openjdk.org> 
wrote:

>> Srinivas Vamsi Parasa has updated the pull request incrementally with one 
>> additional commit since the last revision:
>> 
>>   change variable names of indexPivot* to pivotIndex*
>
> Hi Vladimir,
> 
> Just trying to understand: is there a reason to use 
> `DualPivotQuicksort_RadixForParallel.java` and 
> `DualPivotQuicksort_RadixForAll.java`?
> 
> Would it not be sufficient to do the following two runs:
> 
> 1. Baseline (Stock JDK) vs. AVX512 sort for` sort() `and `parallelSort()` ?
> 2. AVX512 sort vs. Radix sort for `sort()` and `parallelSort()` ?
> 
>> [1] current implementation in JDK [2] your AVX12 version based on [1], from 
>> this PR [3] my new version with Radix sort for parallel case plus your AVX12 
>> changes [4] my new version with Radix sort for all cases plus your AVX12 
>> changes 
> 
> Thanks,
> Vamsi

Hi @vamsi-parasa , @sviswa7 and @jatin-bhateja !

I agree with you that bot PRs are independent and radix sort discussion should 
not be here, my fault. I asked to run benchmarking because actual AVX512 
changes are in C++ code and I don't have ready environment for testing.
I'm moving this discussion to PR https://github.com/openjdk/jdk/pull/13568.

Many thanks,
Vladimir

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

PR Comment: https://git.openjdk.org/jdk/pull/14227#issuecomment-1728996248

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