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  1. JDK
  2. JDK-8256536

Newer AMD 19h (EPYC) Processor family defaults

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    Details

    • Type: Enhancement
    • Status: Resolved
    • Priority: P4
    • Resolution: Fixed
    • Affects Version/s: 16
    • Fix Version/s: 16
    • Component/s: hotspot
    • Labels:
    • Subcomponent:
    • Resolved In Build:
      b27
    • CPU:
      x86

      Description

      Set the following flags as defaults for newer AMD 19h (EPYC) processors
      bool UseFPUForSpilling = true
      bool UseUnalignedLoadStores = true
      bool UseXMMForArrayCopy = true
      bool UseXMMForObjInit = true
      bool UseFastStosb = false
      bool AlignVector = false

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              Assignee:
              rraj Rohit Arul Raj D
              Reporter:
              rraj Rohit Arul Raj D
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                Dates

                Created:
                Updated:
                Resolved: