@charliermarsh: /goal for finding silly one-line optimizations that speed up your parser by 20-30%
Summary
Charlie Marsh shares a personal goal of finding simple one-line optimizations that can speed up a parser by 20-30%.
View Cached Full Text
Cached at: 05/21/26, 09:38 PM
/goal for finding silly one-line optimizations that speed up your parser by 20-30% https://t.co/JA6iVXNCrq
Similar Articles
@reach_vb: Codex for autonomously optimising your work:
Charlie Marsh shares that OpenAI's Codex autonomously found a 5-10% speed-up in a formatter while he was working on other tasks.
@charliermarsh: Optimizing Codex over the weekend. This is my favorite kind of work. I could do it forever.
Charlie Marsh tweeted about enjoying optimizing Codex over the weekend, sharing a link to the work.
@charliermarsh: It is incredible that with /goal you can just be constantly improving your software in the background. Make it faster, …
Charlie Marsh praises the /goal tool for enabling continuous background improvement of software, making it faster, smaller, and more stable.
@boshen_c: Time to unmask the man behind this work! @Shanshrew has created a novel parser architecture which is 2x - 3x faster. Pl…
A novel parser architecture developed by Shanshrew achieves 2-3x speedup over the current fastest JS/TS parser, and is being integrated into Oxc.
@charliermarsh: Is Tibo talking about my small-string optimization work?
Charlie Marsh asks if Tibo's praise of GPT-5.6 Sol's performance and efficiency improvements is referring to his small-string optimization work.