uutils / uutils/coreutils

factor: yes 2 | factor | pv > /dev/null is extremely slower than GNU

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U - factor
Dominant language
Rust
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Merged PRs (30d)
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Description

Using binary ftom tag/latest-commit

$ yes 2 | factor | pv>/dev/null
[4.38MiB/s]
$ yes 2 | gnu58d88d243/factor | pv>/dev/null
[72.5MiB/s]

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First steps

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  2. Comment on the issue to say you are picking it up — it saves two people doing the same work.
  3. Fork the repository and make your change on a branch.
  4. Open a pull request that references the issue number.

Research direction

Start by reproducing the reported yes 2 | factor | pv >/dev/null benchmark and compare it with the GNU command shown. Then inspect the factor implementation and its existing tests or benchmarks, if present; done means identifying and correcting the throughput gap without breaking factor behavior.

Written by the indexing model from the issue text.

Assessment

Tech stack
rust
Domain
cli, performance
Issue type
Bug
Difficulty
3/5
Estimated time
1-2 days
Activity status
Quiet
Clarity
Mostly clear
Newbie friendliness
48/100

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