RFR: 8323116: [REDO] Computational test more than 2x slower when AVX instructions are used [v4]

Srinivas Vamsi Parasa duke at openjdk.org
Thu Apr 4 23:48:08 UTC 2024


On Thu, 4 Apr 2024 02:35:19 GMT, Srinivas Vamsi Parasa <duke at openjdk.org> wrote:

> Next tests failed when running with `-XX:UseAVX=3 -XX:+UnlockDiagnosticVMOptions -XX:+UseKNLSetting` flags
> compiler/intrinsics/zip/TestFpRegsABI.java

The KNL related failure was fixed in the latest commit by adding the check 
`if (UseAVX > 2 && !attributes->uses_vl()) `in line 11713 for` src/hotspot/cpu/x86/assembler_x86.cpp`

Could you please have a look at this change?

Thanks,
Vamsi

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PR Comment: https://git.openjdk.org/jdk/pull/18503#issuecomment-2038456748


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