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

Generating running routes with GPT-6 Astra and ChatGPT Work - 12th September 2026
OpenAI agents attacked RubyGems back in May - 12th September 2026
Some thoughts on the Navier–Stokes Millennium Prize Problem - 8th September 2026

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

profiler 3 julia-evans 30

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