Mostly Accurate Stack Scanning

  title={Mostly Accurate Stack Scanning},
  author={Katherine Barabash and Niv Buchbinder and Tamar Domani and Elliot K. Kolodner and Yoav Ossia and Shlomit S. Pinter and Janice C. Shepherd and Ron Sivan and Victor Umansky},
  booktitle={Java Virtual Machine Research and Technology Symposium},
The Java Virtual Machine (Jvm) needs, for the purpose of garbage collection (GC), to determine the data type stored in every memory location. Jvms that can do this reliably are said to be type-accurate (TA). Full typeaccuracy usually exacts a price in performance due to the need to scan stacks and registers accurately. The mostly accurate approach presented here can reduce the TA overhead significantly by sacrificing accuracy for the small minority of memory locations that add the most to the… CONTINUE READING


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