Rollup of 4 pull requests by tgross35 · Pull Request #140650 · rust-lang/rust (original) (raw)

Finished benchmarking commit (54d024e): comparison URL.

Overall result: ❌✅ regressions and improvements - please read the text below

Our benchmarks found a performance regression caused by this PR.
This might be an actual regression, but it can also be just noise.

Next Steps:

@rustbot label: +perf-regression
cc @rust-lang/wg-compiler-performance

Instruction count

This is the most reliable metric that we have; it was used to determine the overall result at the top of this comment. However, even this metric can sometimes exhibit noise.

mean range count
Regressions ❌ (primary) 0.7% [0.7%, 0.7%] 1
Regressions ❌ (secondary) - - 0
Improvements ✅ (primary) -0.3% [-0.3%, -0.3%] 2
Improvements ✅ (secondary) - - 0
All ❌✅ (primary) 0.0% [-0.3%, 0.7%] 3

Max RSS (memory usage)

Results (primary -0.6%, secondary -2.5%)

This is a less reliable metric that may be of interest but was not used to determine the overall result at the top of this comment.

mean range count
Regressions ❌ (primary) 1.6% [0.5%, 5.6%] 5
Regressions ❌ (secondary) - - 0
Improvements ✅ (primary) -1.3% [-6.0%, -0.4%] 17
Improvements ✅ (secondary) -2.5% [-2.5%, -2.5%] 1
All ❌✅ (primary) -0.6% [-6.0%, 5.6%] 22

Cycles

Results (primary -0.1%, secondary 8.1%)

This is a less reliable metric that may be of interest but was not used to determine the overall result at the top of this comment.

mean range count
Regressions ❌ (primary) 0.6% [0.4%, 0.8%] 5
Regressions ❌ (secondary) 8.1% [1.9%, 10.7%] 4
Improvements ✅ (primary) -0.5% [-0.6%, -0.4%] 8
Improvements ✅ (secondary) - - 0
All ❌✅ (primary) -0.1% [-0.6%, 0.8%] 13

Binary size

Results (primary 0.0%)

This is a less reliable metric that may be of interest but was not used to determine the overall result at the top of this comment.

mean range count
Regressions ❌ (primary) 0.1% [0.0%, 0.2%] 11
Regressions ❌ (secondary) - - 0
Improvements ✅ (primary) -0.2% [-0.2%, -0.1%] 4
Improvements ✅ (secondary) - - 0
All ❌✅ (primary) 0.0% [-0.2%, 0.2%] 15

Bootstrap: 769.045s -> 769.467s (0.05%)
Artifact size: 365.44 MiB -> 365.38 MiB (-0.02%)