dd: performance regression by codegen-units=2 to 1
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U - dd
- Dominant language
- Rust
- Stars
- 24.1k
- Forks
- 2k
- Avg merge
- 1d 5h
- Merged PRs (30d)
- 365
Description
by cgu=1 to 2, I catched
dd_copy_default+3%
5 benches +1%
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Research direction
Start with the dd implementation and the dd_copy_default benchmark; compare results for codegen-units=2 and codegen-units=1 across the five benches mentioned. Confirm whether dd_copy_default regresses by about 3% and the overall benchmark set by about 1%; the issue does not name specific files or tests.
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
- Stale
- Clarity
- Needs clarification
- Newbie friendliness
- 35/100