Rust Coreutils 0.12 vs GNU 9.12: almost everything works the same, starting a process costs nearly 3x more
I measured Rust Coreutils (uutils) 0.12 against GNU coreutils 9.12 in containers with limits: the full GNU test suite, 157 commands with their output compared byte for byte, and process start-up. uutils is slower in 91 of 157 cells. It takes 2.8x longer to launch 5,000 processes. mv between disks loses the timestamps . Where each one wins, the full command matrix, and whether it's ready to…
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