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  1. JDK
  2. JDK-6532536

Optimize arraycopy stubs for Intel cpus

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    Details

    • Type: Enhancement
    • Status: Resolved
    • Priority: P3
    • Resolution: Fixed
    • Affects Version/s: 7
    • Fix Version/s: hs14
    • Component/s: hotspot
    • Labels:
    • Subcomponent:
    • Resolved In Build:
      b06
    • CPU:
      x86
    • OS:
      solaris_10

      Backports

        Description

        Intel cpus very sensitive to data moves alignment.
        Arraycopy stubs have to be fixed to avoid such misalignment
        for these hardware.
        SSE2 movdqu nstruction performance was greatly improved on newest Intel's cpus.

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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-2172781 Optimize arraycopy stubs for Intel cpus

            • 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-2177318 Optimize arraycopy stubs for Intel cpus

            • P3 - Major loss of function.
            • Closed

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                Assignee:
                kvn Vladimir Kozlov
                Reporter:
                kvn Vladimir Kozlov
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