diff --git a/draft/2025-07-16-this-week-in-rust.md b/draft/2025-07-16-this-week-in-rust.md index 70b56f59d..8974046b5 100644 --- a/draft/2025-07-16-this-week-in-rust.md +++ b/draft/2025-07-16-this-week-in-rust.md @@ -136,7 +136,25 @@ If you are an event organizer hoping to expand the reach of your event, please s ### Rust Compiler Performance Triage - +A busy week with a lot of rollups containing perf. regressions and mixed results. Overall, regressions won slightly, but there were also a few impressive wins on a few primary and secondary benchmarks. A lot of perf. effects are caused by the current rework of attribute parsing, which will hopefully result in slightly improved performance once it's finished. + +Triage done by **@kobzol**. +Revision range: [0d11be5a..a9fb6103](https://perf.rust-lang.org/?start=0d11be5aabe0cd49609fff5fce57c4691a22fe55&end=a9fb6103b05c6ad6eee6bed4c0bb5a2e8e1024c6&absolute=false&stat=instructions%3Au) + +**Summary**: + +| (instructions:u) | mean | range | count | +|:----------------------------------:|:-----:|:---------------:|:-----:| +| Regressions ❌
(primary) | 0.5% | [0.1%, 1.5%] | 62 | +| Regressions ❌
(secondary) | 0.5% | [0.1%, 1.8%] | 78 | +| Improvements ✅
(primary) | -0.4% | [-3.9%, -0.1%] | 40 | +| Improvements ✅
(secondary) | -1.4% | [-11.6%, -0.0%] | 74 | +| All ❌✅ (primary) | 0.1% | [-3.9%, 1.5%] | 102 | + +5 Regressions, 4 Improvements, 8 Mixed; 5 of them in rollups +47 artifact comparisons made in total + +[Full report here](https://github.com/rust-lang/rustc-perf/blob/87d471ce81dd139cca60ee46377a4cf5c131f7cc/triage/2025/2025-07-15.md). ### [Approved RFCs](https://github.com/rust-lang/rfcs/commits/master)