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  1. JDK
  2. JDK-8149421

Vectorized Post Loops

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    Details

    • Type: Enhancement
    • Status: Resolved
    • Priority: P3
    • Resolution: Fixed
    • Affects Version/s: 9
    • Fix Version/s: 9
    • Component/s: hotspot
    • Labels:
      None
    • Subcomponent:
    • Resolved In Build:
      b108
    • CPU:
      x86
    • OS:
      generic

      Description

      The addition of atomic unrolled drain loops which precede fix-up segments which are significantly faster than scalar code. The requirement is that the main loop is super unrolled after vectorization.

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          relates to

          Bug - A problem which impairs or prevents the functions of the product. JDK-8272720 Fix the implementation of loop unrolling heuristic with LoopPercentProfileLimit

          • P5 - Cosmetic problem like misspelt words or misaligned text.
          • Resolved

          Enhancement - null JDK-8129920 Vectorized loop unrolling

          • P3 - Major loss of function.
          • Resolved

          Enhancement - null JDK-8276066 Reset LoopPercentProfileLimit for x86 due to suboptimal performance

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

            Activity

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              Assignee:
              mcberg Michael Berg (Inactive)
              Reporter:
              mcberg Michael Berg (Inactive)
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                Dates

                Due:
                Created:
                Updated:
                Resolved:

                  Time Tracking

                  Estimated:
                  Original Estimate - 3 weeks
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                  Remaining Estimate - 2 days
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