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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: