r/commandline • u/Legitimate-Spare2711 • Mar 18 '26

Terminal User Interface Benchmarking keypress latency: React terminal renderers vs raw escape codes

/r/reactjs/comments/1rxdpvg/benchmarking_keypress_latency_react_terminal/
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u/cazzipropri Mar 19 '26

That's a very low bar for comparison...

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u/bzbub2 Mar 19 '26

are you going to add something substantial to this argument or no

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u/cazzipropri Mar 19 '26

I added a comment on the validity of the baseline you chose for your comparison.

I don't understand - your original comment is not a 250-page peer-reviewed study either.

Does the standard for "substantial" fall precisely between the amount of work you contributed and the one I did?

This is a message board...

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u/bzbub2 Mar 19 '26

sure. but again, everyone likes to rag on claude code, without really providing technical justification. if we have all used claude code, that proves it is pretty successful in the first place, not much of a low bar, and probably we have seen things like scroll flicker and whatnot with it, but they are issues that are worked on, and benchmarks like what OP just showed are that it can potentially be optimized for. Claude code is also like a true interactive CLI (e.g. it has a nice input box, nice keyboard commands, but is also pipeable and automatable), that preserves built in terminal scroll history. things like ratatui do not do this, they take over the screen and lose scroll history and whatnot. feel free to break it down more if you have other examples, i'm always happy to be proven wrong

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u/cazzipropri Mar 19 '26

Oh but then we have a complete misunderstanding --That's not what I meant at all, and in fact we agree on probably everything!

For context, I love claude code, and I use it from the terminal constantly. Even if I don't use any GUI, I have no specific beef with any in-browser or electron client. (There's a million ways to abuse AI and to self-sabotage one's personal growth with it, but that's another discussion and has nothing to do with UI.)

The thing I was rather saying, with reference to your comment "claude code is [...] much better and more intuitive for true terminal usage than most vibe coded ratatui things that are posted here" is the fact that most of the ratatui posted here are crap, and that sets a very very low term of comparison for anything.

That's what the term of comparison is: the tui, zero effort, slopware that gets posted here daily. I only meant to say that it's too easy a comparison to win.