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

Gemini 3.5 Flash: more expensive, but Google plan to use it for everything - 19th May 2026
The last six months in LLMs in five minutes - 19th May 2026
Notes on the xAI/Anthropic data center deal - 7th May 2026

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

profiler 3 julia-evans 28

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