From 1s to 4ms

When Zed was open-sourced, someone on HackerNews commented that Sublime Text is faster when searching for all occurrences of the current word in a buffer. Zed takes 1s and Sublime somewhere around 200ms. Searching all occurrences means: you position your cursor over a word, you hit cmd-shift-l and all occurrences of that word in the current buffer are selected and you get a cursor at each occurren

[cu39]

「めっちゃいろんな操作したのにこんな一瞬で終わるのかよ！」という驚きは今でもある。と同時にくっそ重いプログラムはどんだけのことしてんだよと目眩がすることもある。