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  1. JDK
  2. JDK-8273626

G1: Factor out concurrent segmented array from G1CardSetAllocator

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    • gc
    • b20

    Description

      Enhance G1CardSetAllocator(and G1CardSetBuffer, G1CardSetBufferList) to support element size less than pointer size, and factor out this basic function as a more generic segmented array (G1SegmentedArray).

      Note: this is not a duplicate as JDK-8267834.

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          Enhancement - null JDK-8254739 G1: Optimize evacuation failure for regions with few failed objects

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

          Bug - A problem which impairs or prevents the functions of the product. JDK-8275607 G1: G1CardSetAllocator::drop_all needs to call G1SegmentedArray::drop_all

          • P1 - Blocks development and/or testing work, production could not run.
          • Closed

          Enhancement - null JDK-8275381 G1: refactor 2 constructors of G1CardSetConfiguration

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

          Enhancement - null JDK-8274987 G1: reuse the newly allocated G1SegmentedArrayBuffer even if current thread failed the race

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

          Enhancement - null JDK-8274993 G1: support concurrent freeing of segments after GC in evacuation failure handling

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

          Enhancement - null JDK-8267834 Refactor G1CardSetAllocator and BufferNode::Allocator to use a common base class

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

          Enhancement - null JDK-8274988 G1: refine G1SegmentedArrayAllocOptions and G1CardSetAllocOptions

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

          JEP - Java Enhancement Proposal JDK-8276094 JEP 423: Region Pinning for G1

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

          Commit Commit openjdk/jdk/d17d81a8

          Review Review openjdk/jdk/5478

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              mli Hamlin Li
              mli Hamlin Li
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              Dates

                Created:
                Updated:
                Resolved: