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| 1 | +# 2024-05-07 Triage Log |
| 2 | + |
| 3 | +TODO: Summary |
| 4 | + |
| 5 | +Triage done by **@???**. |
| 6 | +Revision range: [c65b2dc9..69f53f5e](https://perf.rust-lang.org/?start=c65b2dc935c27c0c8c3997c6e8d8894718a2cb1a&end=69f53f5e5583381267298ac182eb02c7f1b5c1cd&absolute=false&stat=instructions%3Au) |
| 7 | + |
| 8 | +**Summary**: |
| 9 | + |
| 10 | +| (instructions:u) | mean | range | count | |
| 11 | +|:----------------------------------:|:-----:|:--------------:|:-----:| |
| 12 | +| Regressions ❌ <br /> (primary) | 3.0% | [0.2%, 19.5%] | 65 | |
| 13 | +| Regressions ❌ <br /> (secondary) | 1.3% | [0.2%, 4.5%] | 103 | |
| 14 | +| Improvements ✅ <br /> (primary) | -0.9% | [-2.2%, -0.2%] | 24 | |
| 15 | +| Improvements ✅ <br /> (secondary) | -0.7% | [-1.4%, -0.4%] | 23 | |
| 16 | +| All ❌✅ (primary) | 1.9% | [-2.2%, 19.5%] | 89 | |
| 17 | + |
| 18 | + |
| 19 | +3 Regressions, 2 Improvements, 3 Mixed; 5 of them in rollups |
| 20 | +54 artifact comparisons made in total |
| 21 | + |
| 22 | +#### Regressions |
| 23 | + |
| 24 | +Rollup of 7 pull requests [#124675](https://github.com/rust-lang/rust/pull/124675) [(Comparison Link)](https://perf.rust-lang.org/compare.html?start=0d7b2fb797f214ea7514cfeaf2caef8178d8e3fc&end=befabbc9e5f6e82e659f9f52040ee0dd40593d8a&stat=instructions:u) |
| 25 | + |
| 26 | +| (instructions:u) | mean | range | count | |
| 27 | +|:----------------------------------:|:----:|:------------:|:-----:| |
| 28 | +| Regressions ❌ <br /> (primary) | 0.5% | [0.2%, 1.2%] | 11 | |
| 29 | +| Regressions ❌ <br /> (secondary) | 0.8% | [0.4%, 1.3%] | 17 | |
| 30 | +| Improvements ✅ <br /> (primary) | - | - | 0 | |
| 31 | +| Improvements ✅ <br /> (secondary) | - | - | 0 | |
| 32 | +| All ❌✅ (primary) | 0.5% | [0.2%, 1.2%] | 11 | |
| 33 | + |
| 34 | + |
| 35 | +Update cargo [#124684](https://github.com/rust-lang/rust/pull/124684) [(Comparison Link)](https://perf.rust-lang.org/compare.html?start=09cd00fea4aecaa6707f122d7e143196b8a12ee2&end=2c4bf249bd47f232de3c1e78ffe69b40c29bfcca&stat=instructions:u) |
| 36 | + |
| 37 | +| (instructions:u) | mean | range | count | |
| 38 | +|:----------------------------------:|:----:|:-------------:|:-----:| |
| 39 | +| Regressions ❌ <br /> (primary) | 2.4% | [0.2%, 19.1%] | 83 | |
| 40 | +| Regressions ❌ <br /> (secondary) | 1.6% | [0.2%, 5.7%] | 92 | |
| 41 | +| Improvements ✅ <br /> (primary) | - | - | 0 | |
| 42 | +| Improvements ✅ <br /> (secondary) | - | - | 0 | |
| 43 | +| All ❌✅ (primary) | 2.4% | [0.2%, 19.1%] | 83 | |
| 44 | + |
| 45 | + |
| 46 | +Rollup of 3 pull requests [#124784](https://github.com/rust-lang/rust/pull/124784) [(Comparison Link)](https://perf.rust-lang.org/compare.html?start=96f1da82687f499dd3f57006ae71548714532382&end=d287f3e4eeaf680e8fe875f1ec75cca68f357d30&stat=instructions:u) |
| 47 | + |
| 48 | +| (instructions:u) | mean | range | count | |
| 49 | +|:----------------------------------:|:----:|:------------:|:-----:| |
| 50 | +| Regressions ❌ <br /> (primary) | 0.3% | [0.2%, 0.4%] | 5 | |
| 51 | +| Regressions ❌ <br /> (secondary) | - | - | 0 | |
| 52 | +| Improvements ✅ <br /> (primary) | - | - | 0 | |
| 53 | +| Improvements ✅ <br /> (secondary) | - | - | 0 | |
| 54 | +| All ❌✅ (primary) | 0.3% | [0.2%, 0.4%] | 5 | |
| 55 | + |
| 56 | + |
| 57 | +#### Improvements |
| 58 | + |
| 59 | +Rollup of 10 pull requests [#124646](https://github.com/rust-lang/rust/pull/124646) [(Comparison Link)](https://perf.rust-lang.org/compare.html?start=79734f1db8dbe322192dea32c0f6b80ab14c4c1d&end=561b5dea1e7e5c21f0fb550ca579229ceb878297&stat=instructions:u) |
| 60 | + |
| 61 | +| (instructions:u) | mean | range | count | |
| 62 | +|:----------------------------------:|:-----:|:--------------:|:-----:| |
| 63 | +| Regressions ❌ <br /> (primary) | - | - | 0 | |
| 64 | +| Regressions ❌ <br /> (secondary) | - | - | 0 | |
| 65 | +| Improvements ✅ <br /> (primary) | -1.0% | [-2.8%, -0.2%] | 24 | |
| 66 | +| Improvements ✅ <br /> (secondary) | -0.9% | [-1.6%, -0.3%] | 9 | |
| 67 | +| All ❌✅ (primary) | -1.0% | [-2.8%, -0.2%] | 24 | |
| 68 | + |
| 69 | + |
| 70 | +Some hir cleanups [#124401](https://github.com/rust-lang/rust/pull/124401) [(Comparison Link)](https://perf.rust-lang.org/compare.html?start=d2d24e395a1e4fcee62ca17bf4cbddb1f903af97&end=09cd00fea4aecaa6707f122d7e143196b8a12ee2&stat=instructions:u) |
| 71 | + |
| 72 | +| (instructions:u) | mean | range | count | |
| 73 | +|:----------------------------------:|:-----:|:--------------:|:-----:| |
| 74 | +| Regressions ❌ <br /> (primary) | - | - | 0 | |
| 75 | +| Regressions ❌ <br /> (secondary) | - | - | 0 | |
| 76 | +| Improvements ✅ <br /> (primary) | -0.1% | [-0.2%, -0.1%] | 3 | |
| 77 | +| Improvements ✅ <br /> (secondary) | -1.1% | [-2.0%, -0.2%] | 2 | |
| 78 | +| All ❌✅ (primary) | -0.1% | [-0.2%, -0.1%] | 3 | |
| 79 | + |
| 80 | + |
| 81 | +#### Mixed |
| 82 | + |
| 83 | +Account for immutably borrowed locals in MIR copy-prop and GVN [#123602](https://github.com/rust-lang/rust/pull/123602) [(Comparison Link)](https://perf.rust-lang.org/compare.html?start=befabbc9e5f6e82e659f9f52040ee0dd40593d8a&end=d2d24e395a1e4fcee62ca17bf4cbddb1f903af97&stat=instructions:u) |
| 84 | + |
| 85 | +| (instructions:u) | mean | range | count | |
| 86 | +|:----------------------------------:|:-----:|:--------------:|:-----:| |
| 87 | +| Regressions ❌ <br /> (primary) | 0.3% | [0.2%, 0.9%] | 10 | |
| 88 | +| Regressions ❌ <br /> (secondary) | 0.8% | [0.2%, 2.6%] | 4 | |
| 89 | +| Improvements ✅ <br /> (primary) | -0.5% | [-1.1%, -0.2%] | 6 | |
| 90 | +| Improvements ✅ <br /> (secondary) | -0.5% | [-1.0%, -0.3%] | 8 | |
| 91 | +| All ❌✅ (primary) | 0.0% | [-1.1%, 0.9%] | 16 | |
| 92 | + |
| 93 | + |
| 94 | +Rollup of 8 pull requests [#124703](https://github.com/rust-lang/rust/pull/124703) [(Comparison Link)](https://perf.rust-lang.org/compare.html?start=7dd170fccb3be6b1737af5df14dd736b366236c1&end=d7ea27808deb5e10a0f7384e339e4e6165e33398&stat=instructions:u) |
| 95 | + |
| 96 | +| (instructions:u) | mean | range | count | |
| 97 | +|:----------------------------------:|:-----:|:--------------:|:-----:| |
| 98 | +| Regressions ❌ <br /> (primary) | 0.5% | [0.2%, 0.6%] | 4 | |
| 99 | +| Regressions ❌ <br /> (secondary) | - | - | 0 | |
| 100 | +| Improvements ✅ <br /> (primary) | - | - | 0 | |
| 101 | +| Improvements ✅ <br /> (secondary) | -1.0% | [-1.5%, -0.5%] | 4 | |
| 102 | +| All ❌✅ (primary) | 0.5% | [0.2%, 0.6%] | 4 | |
| 103 | + |
| 104 | + |
| 105 | +Rollup of 4 pull requests [#124716](https://github.com/rust-lang/rust/pull/124716) [(Comparison Link)](https://perf.rust-lang.org/compare.html?start=1a851da73cdeb02e2c62d301aa6bd98e515a50da&end=d568423a7a4ddb4b49323d96078a22f94df55fbd&stat=instructions:u) |
| 106 | + |
| 107 | +| (instructions:u) | mean | range | count | |
| 108 | +|:----------------------------------:|:-----:|:--------------:|:-----:| |
| 109 | +| Regressions ❌ <br /> (primary) | - | - | 0 | |
| 110 | +| Regressions ❌ <br /> (secondary) | 0.3% | [0.3%, 0.5%] | 6 | |
| 111 | +| Improvements ✅ <br /> (primary) | -0.8% | [-0.8%, -0.8%] | 1 | |
| 112 | +| Improvements ✅ <br /> (secondary) | - | - | 0 | |
| 113 | +| All ❌✅ (primary) | -0.8% | [-0.8%, -0.8%] | 1 | |
| 114 | + |
| 115 | + |
| 116 | +#### Untriaged Pull Requests |
| 117 | + |
| 118 | +- [#124784 Rollup of 3 pull requests](https://github.com/rust-lang/rust/pull/124784) |
| 119 | +- [#124716 Rollup of 4 pull requests](https://github.com/rust-lang/rust/pull/124716) |
| 120 | +- [#124700 Remove an unnecessary cast](https://github.com/rust-lang/rust/pull/124700) |
| 121 | +- [#124684 Update cargo](https://github.com/rust-lang/rust/pull/124684) |
| 122 | +- [#124675 Rollup of 7 pull requests](https://github.com/rust-lang/rust/pull/124675) |
| 123 | +- [#124241 Rollup of 5 pull requests](https://github.com/rust-lang/rust/pull/124241) |
| 124 | +- [#123909 Stabilize `Utf8Chunks`](https://github.com/rust-lang/rust/pull/123909) |
| 125 | +- [#123602 Account for immutably borrowed locals in MIR copy-prop and GVN](https://github.com/rust-lang/rust/pull/123602) |
| 126 | +- [#123147 Rollup of 8 pull requests](https://github.com/rust-lang/rust/pull/123147) |
| 127 | +- [#122976 Remove len argument from RawVec::reserve_for_push](https://github.com/rust-lang/rust/pull/122976) |
| 128 | +- [#122900 Rollup of 8 pull requests](https://github.com/rust-lang/rust/pull/122900) |
| 129 | +- [#122671 Codegen const panic messages as function calls](https://github.com/rust-lang/rust/pull/122671) |
| 130 | +- [#122396 Less generic code for Vec allocations](https://github.com/rust-lang/rust/pull/122396) |
| 131 | +- [#121955 Rollup of 5 pull requests](https://github.com/rust-lang/rust/pull/121955) |
| 132 | +- [#121804 Rollup of 7 pull requests](https://github.com/rust-lang/rust/pull/121804) |
| 133 | +- [#121752 Detect unused struct impls pub trait](https://github.com/rust-lang/rust/pull/121752) |
| 134 | +- [#121462 Combine `Sub` and `Equate`](https://github.com/rust-lang/rust/pull/121462) |
| 135 | +- [#121345 Rollup of 8 pull requests](https://github.com/rust-lang/rust/pull/121345) |
| 136 | +- [#120985 Update host LLVM on x64 Linux to LLVM 18](https://github.com/rust-lang/rust/pull/120985) |
| 137 | +- [#120863 Use intrinsics::debug_assertions in debug_assert_nounwind](https://github.com/rust-lang/rust/pull/120863) |
| 138 | +- [#120862 Rollup of 6 pull requests](https://github.com/rust-lang/rust/pull/120862) |
| 139 | +- [#120809 Use `transmute_unchecked` in `NonZero::new`.](https://github.com/rust-lang/rust/pull/120809) |
| 140 | +- [#120588 wasm: Store rlib metadata in wasm object files](https://github.com/rust-lang/rust/pull/120588) |
| 141 | +- [#120504 Vec::try_with_capacity](https://github.com/rust-lang/rust/pull/120504) |
| 142 | +- [#120401 Rollup of 12 pull requests](https://github.com/rust-lang/rust/pull/120401) |
| 143 | +- [#120335 Rollup of 10 pull requests](https://github.com/rust-lang/rust/pull/120335) |
| 144 | +- [#119662 Rollup of 9 pull requests](https://github.com/rust-lang/rust/pull/119662) |
| 145 | +- [#119204 macro_rules: Less hacky heuristic for using `tt` metavariable spans](https://github.com/rust-lang/rust/pull/119204) |
| 146 | +- [#119002 Rollup of 5 pull requests](https://github.com/rust-lang/rust/pull/119002) |
| 147 | +- [#118661 Restore `const PartialEq`](https://github.com/rust-lang/rust/pull/118661) |
| 148 | + |
| 149 | +#### Nags requiring follow up |
| 150 | + |
| 151 | +TODO: Nags |
| 152 | + |
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