Simon Willison’s Weblog

18th December 2017 - Link Blog

How do Ruby & Python profilers work? Julia Evans: “As a precursor to writing a Ruby profiler I wanted to do a survey of how existing Ruby & Python profilers work.”

Posted 18th December 2017 at 12:12 pm

Recent articles

Perhaps not Boring Technology after all - 9th March 2026
Can coding agents relicense open source through a “clean room” implementation of code? - 5th March 2026
Something is afoot in the land of Qwen - 4th March 2026

This is a link post by Simon Willison, posted on 18th December 2017.

profiler 3 julia-evans 27

Monthly briefing

Sponsor me for $10/month and get a curated email digest of the month's most important LLM developments.

Pay me to send you less!

Sponsor & subscribe