Simon Willison’s Weblog

22nd August 2008 - Link Blog

TraceMonkey. Brendan Eich has been preaching the performance benefits of tracing and JIT for JavaScript on the conference circuit for at least a year, and the results from the first effort to be merged in to Mozilla core are indeed pretty astounding.

Posted 22nd August 2008 at 11:13 pm

Recent articles

I vibe coded my dream macOS presentation app - 25th February 2026
Writing about Agentic Engineering Patterns - 23rd February 2026
Adding TILs, releases, museums, tools and research to my blog - 20th February 2026

This is a link post by Simon Willison, posted on 22nd August 2008.

brendan-eich 5 javascript 743 jit 7 john-resig 33 mozilla 114 performance 94 tracemonkey 2

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