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  1. JDK
  2. JDK-8199407

Skip Rebuild Remset Phase if there are no rebuild candidates

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Details

    • Enhancement
    • Status: Resolved
    • P4
    • Resolution: Fixed
    • 11
    • 17
    • hotspot
    • gc
    • b19

    Description

      In some cases between concurrent cycles nothing changes, and in particular there are no remembered sets that make sense to rebuild.

      In this case, skip the rebuild remembered set phase.

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        Issue Links

          duplicates

          Enhancement - null JDK-8200428 If G1 during Remark finds that there is no remembered set to rebuild, end concurrent cycle

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

          Enhancement - null JDK-8178105 Switch mark bitmaps during Remark

          • 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-8265119 G1: update_remset_before_rebuild mixes liveness in words with liveness in bytes

          • P3 - Major loss of function.
          • Resolved
          links to

          Commit Commit openjdk/jdk/d9e40dd5

          Review Review openjdk/jdk/3434

          Activity

            People

              iwalulya Ivan Walulya
              tschatzl Thomas Schatzl
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              Dates

                Created:
                Updated:
                Resolved: