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First I optimized CPU, then memory, now I'm onto the renderers (Metal first). Scrolling Neovim now sustains ~175fps easily (vsync off of course). More room for improvement, but this is already best-in-class (I can't find a terminal at the moment that does better on macOS). The road to get...

374,077 次观看 • 2 年前 •via X (Twitter)

10 条评论

Markus Zimmermann 的头像
Markus Zimmermann2 年前

More FPS means less CPU spent on single frames, right? Scaling that to 100k-s of users means less energy used in general. Every watt counts. Doing your part for the <2°C goal. Or am i too optimistic here why optimizations matter? 😉

Mitchell Hashimoto 的头像
Mitchell Hashimoto2 年前

Haha, well, the first part is right. :) CPU usage for both idle and saturated screen changes is significantly lower. Whether that'll make any sort of meaningful difference... well... lol.

Iheanyi Ekechukwu 的头像
Iheanyi Ekechukwu2 年前

I need Ghostty in my life. Patiently awaiting my day in Discord

Thorsten Ball 的头像
Thorsten Ball2 年前

Let's goooo!

Rasmus Andersson 的头像
Rasmus Andersson2 年前

Very nice! Must look really nice on a high frequency display when scrolling backbuffer with pixel increments

Brandon 的头像
Brandon2 年前

High FPS in terminal does matter. Anyone who asks why doesn't get it.jpg.

Rapha Amorim 的头像
Rapha Amorim2 年前

dope results! out of curiosity, is that monitor helper in the right side something you developed yourself to debug?

Mitchell Hashimoto 的头像
Mitchell Hashimoto2 年前

Nope, just run any program that uses Metal with `MTL_HUD_ENABLED=1`. Its built-in to macOS.

Ilya Dmitrichenko 的头像
Ilya Dmitrichenko2 年前

FPS does totally matter. I quit neovim for vscode because how slow redrawing was in the terminal and how every plugin was competing with each other.

Mitchell Hashimoto 的头像
Mitchell Hashimoto2 年前

If you ever go back to neovim, `set notermsync` is a huge thing too. This prevents internal escape sequence buffering. May result in tearing depending on the terminal but for fast terminals (like Ghostty!) it dramatically improves fps and latency.

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