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Code at the speed of thought – Zed is a high-performance, multiplayer code editor from the creators of Atom and Tree-sitter.
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Follow-up of https://github.com/zed-industries/zed/pull/20171 Reduces time Zed needs to reach maximum search results by an order of a magnitude. Methodology: * plugged-in mac with Instruments and Zed open * Zed is restarted before each measurement, `zed` project is opened, a *.rs file is opened and rust-analyzer is fully loaded, file is closed then * from an "empty" state, a `test` word is searched in the project search * each version is checked with project panel; and then, separately, without it * after we reach maximum test results (the counter stops at `10191+`), the measurement stops Zed Dev is compiled and installed with `./script/bundle-mac -li` ------------------------ [measurements.trace.zip](https://github.com/user-attachments/files/17625516/measurements.trace.zip) Before: * Zed Nightly with outline panel open <img width="1113" alt="image" src="https://github.com/user-attachments/assets/62b29a69-c266-4d46-8c3c-0e9534ca7967"> Took over 30s to load the result set * Zed Nightly without outline panel <img width="1109" alt="image" src="https://github.com/user-attachments/assets/82d8d9d6-e8f2-4e67-af55-3f54a7c1d92d"> Took over 24s to load the result set * Zed Dev with outline panel open <img width="1131" alt="image" src="https://github.com/user-attachments/assets/15605ff8-0787-428e-bbb6-f8496f7e1d43"> Took around 6s to load the result set (the profile was running a bit longer) * Zed Dev without outline panel <img width="1147" alt="image" src="https://github.com/user-attachments/assets/0715d73e-f41a-4d74-a604-a3a96ad8d585"> Took around 5s to load the result set --------------------- Improvements in the outline panel: * https://github.com/zed-industries/zed/pull/20171 ensured we reuse previous rendered search results from the outline panel * all search results are now rendered in the background thread * only the entries that are rendered with gpui are sent to the background thread for rendering * FS entries' update logic does nothing before the debounce now Improvements in the editor: * cursor update operations are debounced and all calculations start after the debounce only * linked edits are now debounced and all work is done after the debounce only Further possible improvements: * we could batch calculations of text coordinates, related to the search entries: right now, each search match range is expanded around and clipped, then fitted to the closest surrounding whitespace (if any, otherwise it's just trimmed). Each such calculation requires multiple tree traversals, which is suboptimal and causes more CPU usage than we could use. * linked edits are always calculated, even if the language settings have it disabled, or the corresponding language having no corresponding capabilities Release Notes: - Improve large project search performance |
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| .cargo | ||
| .cloudflare | ||
| .config | ||
| .github | ||
| .zed | ||
| assets | ||
| crates | ||
| docs | ||
| extensions | ||
| legal | ||
| nix | ||
| script | ||
| tooling/xtask | ||
| .git-blame-ignore-revs | ||
| .gitattributes | ||
| .gitignore | ||
| .mailmap | ||
| Cargo.lock | ||
| Cargo.toml | ||
| clippy.toml | ||
| CODE_OF_CONDUCT.md | ||
| compose.yml | ||
| CONTRIBUTING.md | ||
| Cross.toml | ||
| debug.plist | ||
| default.nix | ||
| docker-compose.sql | ||
| Dockerfile-collab | ||
| Dockerfile-collab.dockerignore | ||
| Dockerfile-cross | ||
| Dockerfile-cross.dockerignore | ||
| Dockerfile-distros | ||
| Dockerfile-distros.dockerignore | ||
| flake.lock | ||
| flake.nix | ||
| LICENSE-AGPL | ||
| LICENSE-APACHE | ||
| LICENSE-GPL | ||
| livekit.yaml | ||
| Procfile | ||
| Procfile.postgrest | ||
| README.md | ||
| renovate.json | ||
| rust-toolchain.toml | ||
| shell.nix | ||
| typos.toml | ||
Zed
Welcome to Zed, a high-performance, multiplayer code editor from the creators of Atom and Tree-sitter.
Installation
On macOS and Linux you can download Zed directly or install Zed via your local package manager.
Other platforms are not yet available:
- Windows (tracking issue)
- Web (tracking issue)
Developing Zed
- Building Zed for macOS
- Building Zed for Linux
- Building Zed for Windows
- Running Collaboration Locally
Contributing
See CONTRIBUTING.md for ways you can contribute to Zed.
Also... we're hiring! Check out our jobs page for open roles.
Licensing
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.