How do I use cProfile for performance analysis in Python?

What is cProfile and how can I use it for performance analysis?

cProfile is a built-in Python module that provides a way to measure where time is being spent in your code. You can use it to identify bottlenecks.

How do I run cProfile on my script?

You can run cProfile from the command line by using the command python -m cProfile your_script.py. This will give you a report of the performance.

Can I save the output to a file for later analysis?

Yes, you can save the output by using the -o option like this: python -m cProfile -o output_file.prof your_script.py. You can then analyze the .prof file later.

How do I visualize the profiling results?

You can use tools like snakeviz or pyprof2calltree to visualize the profiling results. They provide a graphical representation of the data.