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An indispensable performance timer for Python

Project description

PerfTimer is an instrumenting timer which provides an easy way to get insight into call count and average execution time of a function or piece of code during a real session of your program.

Use cases include:

  • check the effects of algorithm tweaks, new implementations, etc.
  • confirm the performance of a library you are considering under actual use by your app (as opposed to upstream's artificial benchmarks)
  • measure CPU overhead of networking or other asynchronous I/O (currently supported: OS threads, Trio async/await)

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