Sylvestre Ledru

Looks good but could you please add a test to make sure we don't regress? thanks

@SarthakSingh31 are you still planning to finish this? thanks

some jobs are failing

please rerun the benchmarks with [hyperfine](https://github.com/sharkdp/hyperfine). time isn't good enough for this.

and how did you get/build your ~/.cargo/bin/coreutils ?

I did a quick experiment and while we are slower, it isn't to your scale: ``` $ hyperfine --export-markdown cp.md "/usr/bin/cp cp-perf/cymbol_out/ -r cymbol_out_bak && rm -rf cymbol_out_bak" "./target/release/coreutils cp...

The profile: https://share.firefox.dev/3PtBRks Generated with: `samply record ./target/profiling/coreutils cp cp-perf/cymbol_out/ -r cymbol_out_bak`

Could you please run samply and share the profile of your run? Thanks

Sure, please share the profile.json :)

sorry! here is the profile: https://share.firefox.dev/4fTBcUr you need to rebuild the coreutils with debug info as it isn't really actionable