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  1. JDK
  2. JDK-8273585

String.charAt performance degrades due to JDK-8268698

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    • Subcomponent:
    • Introduced In Version:
      18
    • Resolved In Build:
      b21

      Description

      The attached program shows that the performance degradation over 100% after JDK-8268698.

      The result of
      "time linux-x86_64-server-release/images/jdk/bin/java Test":

      Before JDK-8268698,
          real 0m8.369s
          user 0m8.386s
          sys 0m0.019s

      After JDK-8268698,
          real 0m19.722s
          user 0m19.748s
          sys 0m0.013s

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              Assignee:
              yyang Yi Yang
              Reporter:
              jzhu Joshua Zhu
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