Specialize many implementations of Read::read_buf_exact by a1phyr · Pull Request #122393 · rust-lang/rust (original) (raw)
Finished benchmarking commit (e908cfd): comparison URL.
Overall result: ✅ improvements - no action needed
@rustbot label: -perf-regression
Instruction count
This is a highly reliable metric that was used to determine the overall result at the top of this comment.
| mean | range | count | |
|---|---|---|---|
| Regressions ❌ (primary) | - | - | 0 |
| Regressions ❌ (secondary) | - | - | 0 |
| Improvements ✅ (primary) | -0.3% | [-0.3%, -0.3%] | 1 |
| Improvements ✅ (secondary) | -1.6% | [-1.6%, -1.6%] | 1 |
| All ❌✅ (primary) | -0.3% | [-0.3%, -0.3%] | 1 |
Max RSS (memory usage)
Results
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) | -4.1% | [-6.1%, -2.9%] | 3 |
| Improvements ✅ (secondary) | - | - | 0 |
| All ❌✅ (primary) | -4.1% | [-6.1%, -2.9%] | 3 |
Cycles
This benchmark run did not return any relevant results for this metric.
Binary size
Results
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) | 0.0% | [0.0%, 0.0%] | 3 |
| Regressions ❌ (secondary) | - | - | 0 |
| Improvements ✅ (primary) | -0.3% | [-0.4%, -0.2%] | 6 |
| Improvements ✅ (secondary) | - | - | 0 |
| All ❌✅ (primary) | -0.2% | [-0.4%, 0.0%] | 9 |
Bootstrap: 674.485s -> 672.464s (-0.30%)
Artifact size: 318.39 MiB -> 318.41 MiB (0.01%)