Simon Willison’s Weblog

18th February 2007 - Link Blog

30 second PyPy tutorial. Zyroth on programming.reddit.com shows how to interactively compile a Python function to C using PyPy and benchmark it against the original.

Posted 18th February 2007 at 9:30 pm

Recent articles

The Pelican comparison grid for Astra is pretty interesting - 4th September 2026
OpenAI's rogue agents were caught communicating via public wikis - 4th September 2026
Claude's new system prompt really doesn't want to reproduce song lyrics - 2nd September 2026

This is a link post by Simon Willison, posted on 18th February 2007.

pypy 9 python 1,280

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