Ali
00c0e96e76
# Objective Opening a file laods it twice. `decode_file_text` builds the whole file as a `String`, and that `String` stays alive alongside the finished rope while `text::Buffer::new` copies it in. The `Vec` behind it grows by doubling, so it also commits up to nearly the file's size again in capacity it never uses. Partially addresses #27283. ## Solution Add `decode_file_text_to_rope`, which streams the file in 1 MB blocks straight into a `Rope`, validating UTF-8 and normalizing line endings as it goes. The file is never fully held as a `String`. `LoadedFile::text` becomes a `Rope` carrying the `LineEnding` detected before normalizing, so `buffer_store` calls `Buffer::new_normalized`. ## Testing On a 729 MB SQL dump, peak memory fell 25% and CPU fell around 28%. tested on 5950x, win11. Release Notes: - Improved memory use when opening large files, reducing peak memory during load by roughly the size of the file itself.
Zed
Welcome to Zed, a high-performance, multiplayer code editor from the creators of Atom and Tree-sitter.
Installation
On macOS, Linux, and Windows you can download Zed directly or install Zed via your local package manager (macOS/Linux/Windows).
Other platforms are not yet available:
- Web (tracking discussion)
Developing Zed
Contributing
See CONTRIBUTING.md for ways you can contribute to Zed.
Also... we're hiring! Check out our jobs page for open roles.
Licensing
Zed source code is licensed primarily under GPL-3.0-or-later, with Apache-2.0 components where marked.
License information for third party dependencies must be correctly provided for CI to pass.
We use cargo-about to automatically comply with open source licenses. If CI is failing, check the following:
- Is it showing a
no license specifiederror for a crate you've created? If so, addpublish = falseunder[package]in your crate's Cargo.toml. - Is the error
failed to satisfy license requirementsfor a dependency? If so, first determine what license the project has and whether this system is sufficient to comply with this license's requirements. If you're unsure, ask a lawyer. Once you've verified that this system is acceptable add the license's SPDX identifier to theacceptedarray inscript/licenses/zed-licenses.toml. - Is
cargo-aboutunable to find the license for a dependency? If so, add a clarification field at the end ofscript/licenses/zed-licenses.toml, as specified in the cargo-about book.
Sponsorship
Zed is developed by Zed Industries, Inc., a for-profit company.
If you’d like to financially support the project, you can do so via GitHub Sponsors. Sponsorships go directly to Zed Industries and are used as general company revenue. There are no perks or entitlements associated with sponsorship.