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  1. JDK
  2. JDK-8230109

G1DirtyCardQueueSet should use card counts rather than buffer counts

    Details

    • Type: Enhancement
    • Status: Resolved
    • Priority: P4
    • Resolution: Fixed
    • Affects Version/s: 14
    • Fix Version/s: 14
    • Component/s: hotspot
    • Subcomponent:
      gc
    • Resolved In Build:
      b13

      Description

      JDK-8227719 changed G1DirtyCardQueueSet to internally track the number of cards in the set, rather than the number of buffers, and provide that information to clients. But to reduce the fanout from that change, the old buffer count API was retained, with an estimated buffer count based on the card count and the buffer size.

      We should update clients to use card counts and remove the buffer count API.

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          Issue Links

          relates to

          Bug - A problem which impairs or prevents the functions of the product. JDK-8237261 Concurrent refinement activation threshold not updated for card counts

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

          Enhancement - null JDK-8230372 Remove G1GCPhaseTimes::MergeLBProcessedBuffers

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

          Enhancement - null JDK-8227719 G1 Pending cards estimation too conservative in cost prediction

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

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              • Assignee:
                kbarrett Kim Barrett
                Reporter:
                kbarrett Kim Barrett
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                Dates

                • Created:
                  Updated:
                  Resolved: