BitMap: performance regression introduced with G1

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    • Type: Bug
    • Resolution: Fixed
    • Priority: P2
    • hs16
    • Affects Version/s: hs14
    • Component/s: hotspot
    • gc
    • b06
    • b05
    • generic
    • generic

        The G1 integration (6711316: Open source the Garbage-First garbage collector) introduced a large performance regression in BitMap operations which are used heavily by parallel compaction. A synthetic benchmark shows a 50% increase in full gc time w/parallel compaction after 6711316.

              Assignee:
              John Coomes (Inactive)
              Reporter:
              John Coomes (Inactive)
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