Nathan Sobo recently open-sourced Zed, a code editor that focuses on performance, integrates AI capabilities, and supports software teams’ collaboration out of the box. For performance, Zed leverages a Rust code base, multicore- and GPU-optimized code, with a custom Rust GUI framework. For collaboration, Zed relies on CRDTs and team channels. Zed is currently Mac only.
I could notice the slowness of Atom when I compared it to VS Code. Sublime is also noticeably faster than VS Code, but the gap doesn’t feel so wide that I want to jump the ship.
I think it depends on the number of characters in the file that make the difference more noticeable.