randovania/docs/Profiling.md

Here's a list of profilers one can use with Randovania:

pyinstrument

Source

https://github.com/joerick/pyinstrument

Install

python -m pip install pyinstrument

Profile Usage

1. pyinstrument -m randovania ...
2. pyinstrument -m pytest ...

View Report

1. Prints on console by default
2. Re-export a previous report with pyinstrument --load-prev <...> -o report.html

viztracer

Shows function time over a timeline.

Source

https://github.com/gaogaotiantian/viztracer

Install

python -m pip install viztracer

Profile Usage

with VizTracer(output_file="viz_tracer_report.json") as tracer:
    # Something happens here

View Report

vizviewer viz_tracer_report.json

This opens a webui with your browser. Only compatible with Chromium based browser, but Edge works.

py-spy

Sampling profiler, can profile already running processes. Not compatible with Python 3.11.

Source

https://github.com/benfred/py-spy

Install

python -m pip install py-spy