RFR: 8323116: [REDO] Computational test more than 2x slower when AVX instructions are used [v5]

Srinivas Vamsi Parasa duke at openjdk.org
Fri Apr 5 16:00:12 UTC 2024


On Fri, 5 Apr 2024 03:27:48 GMT, Jatin Bhateja <jbhateja at openjdk.org> wrote:

>> Srinivas Vamsi Parasa has updated the pull request incrementally with one additional commit since the last revision:
>> 
>>   fix failure for KNL
>
> src/hotspot/cpu/x86/assembler_x86.cpp line 11713:
> 
>> 11711:   }
>> 11712: 
>> 11713:   if (UseAVX > 2 && !attributes->uses_vl()) {
> 
> This is already coved by below assertion

Without this check, the test is failing for KNL (-XX:UseAVX=3 -XX:+UnlockDiagnosticVMOptions -XX:+UseKNLSetting) as Vladimir mentioned. Is there a better way to handle the KNL case?

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

PR Review Comment: https://git.openjdk.org/jdk/pull/18503#discussion_r1553930336


More information about the hotspot-compiler-dev mailing list