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  1. JDK
  2. JDK-8305895

Implementation: JEP 450: Compact Object Headers (Experimental)

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Details

    • Enhancement
    • Resolution: Unresolved
    • P4
    • tbd
    • 21
    • hotspot
    • generic
    • generic

    Description

      Tracks integration into mainline JDK

      Attachments

        Issue Links

          csr for

          CSR - null JDK-8306000 Add experimental -XX:+UseCompactObjectHeaders flag

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

          Enhancement - null JDK-8305896 Alternative full GC forwarding

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

          Enhancement - null JDK-8305898 Alternative self-forwarding mechanism

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

          Enhancement - null JDK-8291555 Implement alternative fast-locking scheme

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

          Enhancement - null JDK-8307236 Rendezvous GC threads under STS for monitor deflation

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

          Enhancement - null JDK-8139457 Relax alignment of array elements

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

          Enhancement - null JDK-8328138 Optimize ArrayEquals on AArch64 & fix potential crash

          • P3 - Major loss of function.
          • Open

          JEP - Java Enhancement Proposal JDK-8294992 JEP 450: Compact Object Headers (Experimental)

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

          Review Review openjdk/jdk/13844

          Review Review openjdk/jdk/13961

          Review Review openjdk/jdk/17872

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              rkennke Roman Kennke
              rkennke Roman Kennke
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              Dates

                Created:
                Updated: