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  1. JDK
  2. JDK-8176454

Performance: jweak references not suitable for robust cache architecture

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      Performance: jweak references not suitable for robust cache architecture

      #1 Contrary to the expectations, jweak objects that are destroyed with DeleteWeakGlobalRef() take more GC time than alive one, but with dead objects (see attached test case)

      #2 DeleteWeakGlobalRef() does not actually free the memory

      #3 jweaks are processed single threaded by the GC

        1. Test.java
          2 kB
        2. Test.c
          0.9 kB
        3. Test.java
          2 kB

            Unassigned Unassigned
            gziemski Gerard Ziemski
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