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  1. JDK
  2. JDK-8332485

SPECjbb2005-ParGC regression after JDK-8328744

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    • Resolution: Won't Fix
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    • 23
    • 23
    • hotspot
    • gc
    • b16
    • 23
    • aarch64
    • os_x

      With the introduction of JDK-8328744... SPECjbb2005-ParGC is showing a regression that holds into later builds (graph attached):

      -1.3% SPECjbb2005-ParGC on macOS-aarch64

      It also appears to impact the benchmark on macOS-x64 and linux-aarch64 -- though the statistical measurements are less clear.

      The regression was isolated to jdk-23+16-1254 (which only contains JDK-8328744) - (graph attached).

        1. build-to-build graph.png
          build-to-build graph.png
          101 kB
        2. CI build isolation.png
          CI build isolation.png
          110 kB

            ayang Albert Yang
            resii Robert Strout
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              Created:
              Updated:
              Resolved: