Charlie Marsh Boosts OpenAI Codex CLI Startup Speed by 25x
Rust and Python developer Charlie Marsh optimized OpenAI Codex CLI startup, achieving a 25x speed increase and near-instant launch.
Charlie Marsh, the author of the famous Python tool uv and one of the strongest Rust developers, has already managed to prove himself after moving to OpenAI.
He directly optimized the startup speed of the Codex CLI and sped it up by 25 times, achieving an almost instantaneous start.
We can make this even faster.
— he writes.
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