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  1. JDK
  2. JDK-8155917

Memory access in free regions during G1 full gc causes regressions in SPECjvm2008 scimark.fft,lu,sor,sparse with 9+116 on Linux-x64

    Details

    • Subcomponent:
      gc
    • Resolved In Build:
      b137
    • CPU:
      generic
    • OS:
      linux
    • Verification:
      Verified

      Description

      FFT in particular regress in build 116 compared to 115, with more marking rounds and GCs during the benchmark run. The regression shows up with and without large pages enabled.

      As this might be ergo-related, testing impact of JDK-8077144 might be a good first step.

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              • Assignee:
                tschatzl Thomas Schatzl
                Reporter:
                redestad Claes Redestad
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                • Created:
                  Updated:
                  Resolved: