always create DefIds for anon consts by lcnr · Pull Request #133468 · rust-lang/rust (original) (raw)

Finished benchmarking commit (7e565cc): 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
Regressions ❌ (secondary) 4.2% [4.2%, 4.2%] 1
Improvements ✅ (primary) -0.3% [-0.3%, -0.3%] 1
Improvements ✅ (secondary) -0.6% [-1.0%, -0.3%] 9
All ❌✅ (primary) -0.3% [-0.3%, -0.3%] 1

Max RSS (memory usage)

Results (secondary -3.6%)

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
Regressions ❌ (secondary) - - 0
Improvements ✅ (primary) - - 0
Improvements ✅ (secondary) -3.6% [-3.6%, -3.6%] 1
All ❌✅ (primary) - - 0

Cycles

Results (primary 2.2%)

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) 2.2% [2.2%, 2.2%] 1
Regressions ❌ (secondary) - - 0
Improvements ✅ (primary) - - 0
Improvements ✅ (secondary) - - 0
All ❌✅ (primary) 2.2% [2.2%, 2.2%] 1

Binary size

Results (primary -0.1%)

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) 0.2% [0.1%, 0.4%] 16
Regressions ❌ (secondary) - - 0
Improvements ✅ (primary) -0.3% [-0.7%, -0.1%] 36
Improvements ✅ (secondary) - - 0
All ❌✅ (primary) -0.1% [-0.7%, 0.4%] 52

Bootstrap: 791.695s -> 792.194s (0.06%)
Artifact size: 335.88 MiB -> 335.92 MiB (0.01%)