Uploaded image for project: 'JDK'
  1. JDK
  2. JDK-8215363

needless signals in ForkJoinPool

    Details

    • Type: Bug
    • Status: In Progress
    • Priority: P4
    • Resolution: Unresolved
    • Affects Version/s: None
    • Fix Version/s: None
    • Component/s: core-libs
    • Labels:
      None

      Description

      (This was previously included in some "miscellaneous" changes picked up in https://bugs.openjdk.java.net/browse/JDK-8214559CR but now broken out separately after backout and resubmission.)

      ForkJoinPool intrinsically oversignals possibly-needed worker threads, but signalling too many workers causes overhead and contention. This oversignalling can be reduced while maintaining liveness.

        Attachments

          Activity

            People

            • Assignee:
              martin Martin Buchholz
              Reporter:
              dl Doug Lea
            • Votes:
              0 Vote for this issue
              Watchers:
              1 Start watching this issue

              Dates

              • Created:
                Updated: