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  1. JDK
  2. JDK-8310691 [REDO] [vectorapi] Refactor VectorShuffle implementation
  3. JDK-8310459

[BACKOUT] 8304450: [vectorapi] Refactor VectorShuffle implementation

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    • b19
    • 21
    • b04
    • x86_64

    Backports

      Description

        VectorAPI JMH micros shows performance drop in Vector.slice and unslice operations w.r.t JDK-20 on AVX3 and legacy targets.

        Other dependent API like castShape with non-zero part number also show performance degradations.

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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-8311019 [BACKOUT] 8304450: [vectorapi] Refactor VectorShuffle implementation

            • P3 - Major loss of function.
            • 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-8311352 [BACKOUT] 8304450: [vectorapi] Refactor VectorShuffle implementation

            • P3 - Major loss of function.
            • Resolved
            relates to

            Enhancement - null JDK-8303762 [vectorapi] Intrinsification of Vector.slice

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

            Enhancement - null JDK-8304450 [vectorapi] Refactor VectorShuffle implementation

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

            Sub-task - The sub-task of the issue JDK-8310173 Update --release 21 symbol information for JDK 21 build 29

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

            Commit Commit openjdk/jdk21/9998c07b

            Commit Commit openjdk/jdk/ff9a7541

            Review Review openjdk/jdk21/68

            Review Review openjdk/jdk/14629

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                jbhateja Jatin Bhateja
                jbhateja Jatin Bhateja
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                  Updated:
                  Resolved: