RFR: 8317976: Optimize SIMD sort for AMD Zen 4 [v2]

[Srinivas Vamsi Parasa]

On Mon, 17 Mar 2025 17:17:29 GMT, Rohit Arul Raj <rraj at openjdk.org> wrote:

>> src/hotspot/cpu/x86/vm_version_x86.hpp line 777:
>> 
>>> 775: 
>>> 776:   static bool supports_avx512_simd_sort() {
>>> 777:     //  Disable AVX512 version of SIMD Sort on AMD Zen4 Processors
>> 
>> Looks like you forgot to remove the comment: `// Disable AVX512 version of SIMD Sort on AMD Zen4 Processors`
>
> For Zen4, we are disabling AVX512 version of SIMD Sort and using AVX2 version. So the comment is valid.

Got it!

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PR Review Comment: https://git.openjdk.org/jdk/pull/24053#discussion_r1999281629