Performance Measurements for Multithreaded Programs

  title={Performance Measurements for Multithreaded Programs},
  author={Minwen Ji and Edward W. Felten and Kai Li},
Multithreaded programming is an effective way to exploit concurrency, but it is difficult to debug and tune a highly threaded program. This paper describes a performance tool called Tmon for monitoring, analyzing and tuning the performance of multithreaded programs. The performance tool has two novel features: it uses "thread waiting time" as a measure and constructs thread waiting graphs to show thread dependencies and thus performance bottlenecks, and it identifies "semi-busy-waiting" points… CONTINUE READING
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