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⇱ Rust Coreutils 0.8 Brings Significant Performance Gains - Phoronix


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Rust Coreutils 0.8 Brings Significant Performance Gains

Written by Michael Larabel in Programming on 6 April 2026 at 06:01 PM EDT. 42 Comments
Rust Coreutils 0.8 was released today as the newest major release to this alternative to GNU Coreutils.

Rust Coreutils 0.8 is described as bringing "significant" performance gains across core utilities, expanded WebAssembly "WASI" support with a new online playground, and hardening against edge-case panics.

With the expanded WebAssembly support is also a new online playground here for trying out Rust Coreutils within your web browser.

👁 Rust Coreutils playground


Rust Coreutils 0.8 is passing around 94.74% of all the GNU test suite cases, up 0.15% from the prior release. Rust Coreutils has also removed more unsafe code from different core utilities.

Some of the performance work is leading to the dd command being around 45% faster, faster start-up across utilities, the sort command will now sort paths faster, a 3% gain for numfmt, and various other optimizations.

Downloads and more details on Rust Coreutils 0.8 via GitHub.

Michael Larabel is the principal author of Phoronix.com and founded the site in 2004 with a focus on enriching the Linux hardware experience. Michael has written more than 20,000 articles covering the state of Linux hardware support, Linux performance, graphics drivers, and other topics. Michael is also the lead developer of the Phoronix Test Suite, Phoromatic, and OpenBenchmarking.org automated benchmarking software. He can be followed via Twitter, LinkedIn, or contacted via MichaelLarabel.com.