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  1. JDK
  2. JDK-8276066

Reset LoopPercentProfileLimit for x86 due to suboptimal performance

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    • b23

    Backports

      Description

        The performance was observed to be suboptimal on x86 with LoopPercentProfileLimit=30.

        It seems better to reset it to the original value (10) for x86.

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            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-8276675 Reset LoopPercentProfileLimit for x86 due to suboptimal performance

            • 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-8276691 Reset LoopPercentProfileLimit for x86 due to suboptimal performance

            • 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-8276866 Reset LoopPercentProfileLimit for x86 due to suboptimal performance

            • 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-8298927 Reset LoopPercentProfileLimit for x86 due to suboptimal performance

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

            Enhancement - null JDK-8149421 Vectorized Post Loops

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

            Commit Commit openjdk/jdk11u-dev/5aa125eb

            Commit Commit openjdk/jdk17u/802844ae

            Commit Commit openjdk/jdk/0ab910d6

            Review Review openjdk/jdk11u-dev/582

            Review Review openjdk/jdk17u/227

            Review Review openjdk/jdk/6142

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                jiefu Jie Fu
                jiefu Jie Fu
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                  Created:
                  Updated:
                  Resolved: