feat(codspeed): collect Rust toolchain environment at build time #171
CodSpeed HQ / CodSpeed Performance Analysis
failed
Apr 1, 2026 in 0s
Performance Regression: -24.48%
⚠️ Different runtime environments detected
Some benchmarks with significant performance changes were compared across different runtime environments,
which may affect the accuracy of the results.
⚡ 19 improved benchmarks
❌ 15 regressed benchmarks
✅ 390 untouched benchmarks
⏩ 156 skipped benchmarks1
⚠️ Please fix the performance issues or acknowledge them on CodSpeed.
Performance Changes
| Mode | Benchmark | BASE |
HEAD |
Efficiency | |
|---|---|---|---|---|---|
| ⚡ | WallTime | bench_array2[42] |
51 ns | 48 ns | +6.25% |
| ❌ | WallTime | fib_30 |
5.7 ms | 5.9 ms | -3.01% |
| ❌ | WallTime | init_array[1000] |
2.1 µs | 2.1 µs | -3.1% |
| ⚡ | WallTime | bench_array2[10] |
29 ns | 9 ns | ×3.2 |
| ⚡ | WallTime | fib_in_thread_bench[30] |
7 ms | 6.5 ms | +9.17% |
| ⚡ | WallTime | fib_in_thread[31] |
11.2 ms | 10.2 ms | +9.12% |
| ⚡ | WallTime | fibo_10 |
2 ns | 1 ns | ×2 |
| ⚡ | WallTime | fib_in_thread[32] |
17.8 ms | 16.3 ms | +9.38% |
| ⚡ | WallTime | fib_in_thread_bench[32] |
17.8 ms | 16.3 ms | +9.24% |
| ⚡ | WallTime | fib_in_thread_bench_local[32] |
17.8 ms | 16.3 ms | +9.3% |
| ⚡ | WallTime | fib_in_thread_bench_local[31] |
11.1 ms | 10.2 ms | +9.01% |
| ⚡ | WallTime | fib_in_thread_bench[31] |
11.1 ms | 10.2 ms | +8.81% |
| ⚡ | WallTime | fib_in_thread_bench_local[30] |
7 ms | 6.5 ms | +8.88% |
| ⚡ | WallTime | fib_in_thread[30] |
7 ms | 6.5 ms | +8.84% |
| ❌ | Simulation | string_copy_with_bytes_counter |
797.2 ns | 826.4 ns | -3.53% |
| ❌ | Simulation | mul |
91.4 ns | 120.6 ns | -24.19% |
| ⚡ | Simulation | string_processing_multi_counter |
4.6 µs | 4.5 µs | +3.07% |
| ⚡ | Simulation | rem |
124.4 ns | 95.3 ns | +30.61% |
| ❌ | Simulation | add |
91.4 ns | 120.6 ns | -24.19% |
| ⚡ | Simulation | div |
124.2 ns | 95 ns | +30.7% |
| ... | ... | ... | ... | ... | ... |
ℹ️ Only the first 20 benchmarks are displayed. Go to the app to view all benchmarks.
Comparing main (8637676) with main (dccf5f4)
Footnotes
-
156 benchmarks were skipped, so the baseline results were used instead. If they were deleted from the codebase, click here and archive them to remove them from the performance reports. ↩
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