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  1. JDK
  2. JDK-8321025

Enable Neoverse N1 optimizations for Neoverse V2

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    • b27
    • aarch64

    Backports

      Description

        As Arm Neoverse V2 will benefit from the same optimizations as Neoverse N1 does, it should have OnSpinWaitInst/OnSpinWaitInstCount defaults set to "isb"/1 and UseSIMDForMemoryOps default set to true.

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            backported by

            Backport - A issue that is required to port a Bug or Feature into another product release. This issue type is generally associated with the main Bug/Feature to represent each individual release of the port. JDK-8334590 Enable Neoverse N1 optimizations for Neoverse V2

            • P4 - Minor loss of function, or other problem where easy workaround is present.
            • Resolved

            Backport - A issue that is required to port a Bug or Feature into another product release. This issue type is generally associated with the main Bug/Feature to represent each individual release of the port. JDK-8334837 Enable Neoverse N1 optimizations for Neoverse V2

            • P4 - Minor loss of function, or other problem where easy workaround is present.
            • Resolved
            links to

            Commit Commit openjdk/jdk17u-dev/953a03de

            Commit Commit openjdk/jdk21u-dev/943e7593

            Commit Commit openjdk/jdk/c9d15f7d

            Review Review openjdk/jdk17u-dev/2579

            Review Review openjdk/jdk21u-dev/720

            Review Review openjdk/jdk/16887

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                eastigeevich Evgeny Astigeevich
                eastigeevich Evgeny Astigeevich
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                  Updated:
                  Resolved: