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  1. JDK
  2. JDK-8060025

Object copy time regressions after JDK-8031323 and JDK-8057536

    Details

    • Type: Bug
    • Status: Resolved
    • Priority: P4
    • Resolution: Fixed
    • Affects Version/s: 8u40, 9
    • Fix Version/s: 9
    • Component/s: hotspot
    • Subcomponent:
      gc
    • Resolved In Build:
      b45

      Backports

        Description

        Object copy times regress with SPECjbb2005 (and any other workload that mostly copies around data in the young generation) by a few percent.

        JDK-8031323 and JDK-8057536 seem to be the problem.

        Change copy_to_survivor_space() and friends to fix this.

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                • Assignee:
                  Unassigned
                  Reporter:
                  tschatzl Thomas Schatzl
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                  • Created:
                    Updated:
                    Resolved: