7 Debugging and Profiling Facilities

This chapter describes some functions that are useful mainly for debugging and profiling purposes.

The sections ApplicableMethod and Tracing Methods show how to get information about the methods chosen by the method selection mechanism (see chapter Method Selection in the programmer's manual).

The final sections describe functions for collecting statistics about computations (see Runtime, Profiling).

Sections

  1. Recovery from NoMethodFound-Errors
  2. ApplicableMethod
  3. Tracing Methods
  4. Info Functions
  5. Assertions
  6. Timing
  7. Profiling
  8. Information about the version used
  9. Test Files
  10. Debugging Recursion

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GAP 4 manual
February 2000