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  1. JDK
  2. JDK-8189113

AARCH64: StringLatin1 inflate intrinsic doesn't use prefetch instruction

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Details

    • Enhancement
    • Resolution: Fixed
    • P3
    • 11
    • 10
    • hotspot
    • b20
    • aarch64
    • linux

    Backports

      Description

        Current StringLatin1 inflate intrinsic is not using prefetch instruction, which can boost performance. Also, internal algorithm can be slightly enhanced.

        Attachments

          1. str_inflate_1.0_simpliest.diff
            7 kB
          2. str_inflate_1.0.1.diff
            13 kB
          3. str_inflate_1.0.5.diff
            8 kB
          4. str_inflate_1.0.diff
            9 kB
          5. str_inflate_1.1.diff
            9 kB
          6. str_inflate_1.2.diff
            9 kB
          7. str_inflate_1.3.diff
            9 kB
          8. str_inflate_1.4.diff
            10 kB
          9. str_inflate_1.5.diff
            3 kB

          Issue Links

            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-8206542 AARCH64: StringLatin1 inflate intrinsic doesn't use prefetch instruction

            • 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-8206765 AARCH64: StringLatin1 inflate intrinsic doesn't use prefetch instruction

            • P3 - Major loss of function.
            • Resolved
            blocks

            JEP - Java Enhancement Proposal JDK-8189104 JEP 315: Improve Aarch64 Intrinsics

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

            Bug - A problem which impairs or prevents the functions of the product. JDK-8307572 AArch64: Vector registers are clobbered by some macroassemblers

            • P2 - Crashes, loss of data, severe memory leak.
            • Closed

            JEP - Java Enhancement Proposal JDK-8189100 Improve performance of String and Array operations on AArch64

            • P3 - Major loss of function.
            • Closed

            Activity

              People

                dpochepk Dmitrij Pochepko
                dpochepk Dmitrij Pochepko
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                Dates

                  Created:
                  Updated:
                  Resolved: