Pad popular instantiations of TaskQueue

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    • Type: Enhancement
    • Resolution: Fixed
    • Priority: P4
    • 9
    • Affects Version/s: hs19
    • Component/s: hotspot
    • None
    • gc
    • generic
    • generic

      The ParNew and CMS collectors pad TaskQueues on allocation to prevent inadvertent sharing of cache lines. This should be applied generally to popular TaskQueue instantiations such as TaskQueue<oop>, TaskQueue<StarTask>, etc., that are important to performance.

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