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  1. JDK
  2. JDK-8323791

Parallel: Using non-atomic for live bytes update during Full GC

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    • gc

    Description

      In `PSParallelCompact::mark_obj`, `_summary_data.add_obj` uses atomic-operation to record live bytes info, which hinders scalability during Full GC.

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          Enhancement - null JDK-8325553 Parallel: Use per-marker cache for marking stats during Full GC

          • P4 - Minor loss of function, or other problem where easy workaround is present.
          • Resolved
          relates to

          Enhancement - null JDK-8320165 Parallel: Full GC code is very slow due to quadratic calc_new_address

          • P4 - Minor loss of function, or other problem where easy workaround is present.
          • Resolved
          links to

          Review Review openjdk/jdk/17442

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              ayang Albert Yang
              ayang Albert Yang
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                Updated:
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