The Python pyperf module is a toolkit to write, run and analyze benchmarks.

Features:
- Simple API to run reliable benchmarks
- Automatically calibrate a benchmark for a time budget.
- Spawn multiple worker processes.
- Compute the mean and standard deviation.
- Detect if a benchmark result seems unstable.
- JSON format to store benchmark results.
- Support multiple units: seconds, bytes and integer.

WWW: https://github.com/psf/pyperf