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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.
370d4ce200
Using compiler explorer I saw that the compiler wasn't clever enough to optimise away the branches in the masking code. I thought the compiler would have a better chance if we always branched, which [turned out to be the case](https://godbolt.org/z/PM594Pz18). Running the benchmarks the biggest benefit I saw was: ``` push/65536 time: [2.9067 ms 2.9243 ms 2.9417 ms] thrpt: [21.246 MiB/s 21.373 MiB/s 21.502 MiB/s] change: time: [-8.3452% -7.2617% -6.2009%] (p = 0.00 < 0.05) thrpt: [+6.6108% +7.8303% +9.1050%] Performance has improved. ``` But I did also see some regressions: ``` slice/4096 time: [66.195 µs 66.815 µs 67.448 µs] thrpt: [57.915 MiB/s 58.464 MiB/s 59.012 MiB/s] change: time: [+3.7131% +5.1698% +6.6971%] (p = 0.00 < 0.05) thrpt: [-6.2768% -4.9157% -3.5802%] Performance has regressed. ``` Release Notes: - N/A |
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| .github | ||
| .zed | ||
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| extensions | ||
| legal | ||
| nix | ||
| script | ||
| tooling | ||
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| .cursorrules | ||
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| .mailmap | ||
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| .rules | ||
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| Cargo.lock | ||
| Cargo.toml | ||
| CLAUDE.md | ||
| clippy.toml | ||
| CODE_OF_CONDUCT.md | ||
| compose.yml | ||
| CONTRIBUTING.md | ||
| debug.plist | ||
| default.nix | ||
| docker-compose.sql | ||
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| flake.lock | ||
| flake.nix | ||
| GEMINI.md | ||
| LICENSE-AGPL | ||
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| LICENSE-GPL | ||
| livekit.yaml | ||
| lychee.toml | ||
| Procfile | ||
| Procfile.postgrest | ||
| Procfile.web | ||
| README.md | ||
| renovate.json | ||
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| rust-toolchain.toml | ||
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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.
Other platforms are not yet available:
- 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.