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  1. <TITLE>Profiler Introduction -- Python library reference</TITLE>
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  6. <H1>9.1. Introduction to the profiler</H1>
  7. A <DFN>profiler</DFN> is a program that describes the run time performance
  8. of a program, providing a variety of statistics.  This documentation
  9. describes the profiler functionality provided in the modules
  10. <CODE>profile</CODE> and <CODE>pstats.</CODE>  This profiler provides
  11. <DFN>deterministic profiling</DFN> of any Python programs.  It also
  12. provides a series of report generation tools to allow users to rapidly
  13. examine the results of a profile operation.
  14. <P>
  15.