G1: Improve thread allocation of Region Register phase

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    • Type: Enhancement
    • Resolution: Unresolved
    • Priority: P4
    • tbd
    • Affects Version/s: None
    • Component/s: hotspot
    • gc

      The number of threads used for the Region Register/Pre-Evacuate Collection Set phase is too high on small heaps.

      That phase can take almost 10% on 3-4ms pauses.

            Assignee:
            Thomas Schatzl
            Reporter:
            Thomas Schatzl
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              Created:
              Updated: