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  1. JDK
  2. JDK-8185802

Enable AVX3 by default

    Details

    • Type: Enhancement
    • Status: Resolved
    • Priority: P4
    • Resolution: Fixed
    • Affects Version/s: 10
    • Fix Version/s: 10
    • Component/s: hotspot
    • Labels:
    • Subcomponent:
    • Resolved In Build:
      b21
    • CPU:
      x86
    • OS:
      generic

      Description

      JDK-8183103 fix in JDK 9 disable AVXV3 by default (it set UseAVX to 2 by default). Now that fix was pushed into JDK 10 which disables AVX3 testing:
      http://hg.openjdk.java.net/jdk10/hs/hotspot/rev/833f88cac52b#l7.1

      There was separate bug JDK-8183390 filed for PostLoopMultiversioning so we keep it off by default until that bug is fixed.

        Attachments

          Issue Links

          relates to

          Bug - A problem which impairs or prevents the functions of the product. JDK-8183103 Post loop vectorization produces incorrect results

          • P1 - Blocks development and/or testing work, production could not run.
          • Closed

          Bug - A problem which impairs or prevents the functions of the product. JDK-8184036 Restore -XX:UseAVX=3 as product value

          • P1 - Blocks development and/or testing work, production could not run.
          • Closed

            Activity

              People

              • Assignee:
                kvn Vladimir Kozlov
                Reporter:
                kvn Vladimir Kozlov
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                Dates

                • Created:
                  Updated:
                  Resolved: