[jdk17u-dev] RFR: 8318562: Computational test more than 2x slower when AVX instructions are used

Sandhya Viswanathan sviswanathan at openjdk.org
Mon Dec 18 17:00:46 UTC 2023


On Tue, 12 Dec 2023 08:58:12 GMT, Aleksey Shipilev <shade at openjdk.org> wrote:

>> A small backport PR which fixes the performance regression with vcvt* instructions on AVX platforms.
>> Minor changes were required to resolve a conflict in macroAssembler_x86.cpp/hpp. The conflict was due to a change in locked_cmpxchgptr signature on mainline.
>> 
>> Please review.
>> 
>> Best Regards,
>> Sandhya
>
> Looks fine.

Thanks a lot @shipilev for the review.

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PR Comment: https://git.openjdk.org/jdk17u-dev/pull/2016#issuecomment-1861056399


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