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  1. JDK
  2. JDK-8184036 Restore -XX:UseAVX=3 as product value
  3. JDK-8184175

Release Note: AVX-512 (AVX3) instructions set support

    Details

    • Type: Sub-task
    • Status: Closed
    • Priority: P1
    • Resolution: Delivered
    • Affects Version/s: 9
    • Fix Version/s: 9
    • Component/s: hotspot
    • Subcomponent:
    • CPU:
      x86
    • OS:
      generic
    • Verification:
      Verified

      Description

      JDK 9 will support code generation for AVX-512 (AVX3) instructions set on x86 CPUs, but not by default. A maximum of AVX2 is supported by default in JDK 9. The flag -XX:UseAVX=3 can be used to enable AVX-512 code generation on CPUs that support it.

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            • Assignee:
              kvn Vladimir Kozlov
              Reporter:
              kvn Vladimir Kozlov
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              • Created:
                Updated:
                Resolved: