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CodSpeed / CodSpeed Performance Analysis
failed
Oct 8, 2025
Performance Regression: -22.22%
Summary
⚡ 10 improvements
❌ 16 regressions
✅ 337 untouched
⚠️ Please fix the performance issues or acknowledge them on CodSpeed.
Benchmarks breakdown
| Mode | Benchmark | BASE |
HEAD |
Change | |
|---|---|---|---|---|---|
| ⚡ | WallTime | build_vec |
214 ns | 207 ns | +3.38% |
| ❌ | WallTime | large_setup |
21 ns | 22 ns | -4.55% |
| ❌ | WallTime | iter_with_setup |
36 ns | 40 ns | -10% |
| ❌ | WallTime | from_elem[1024] |
80 ns | 89 ns | -10.11% |
| ❌ | WallTime | from_elem[2048] |
264 ns | 279 ns | -5.38% |
| ⚡ | WallTime | from_elem[4096] |
369 ns | 358 ns | +3.07% |
| ⚡ | WallTime | from_elem[8192] |
559 ns | 538 ns | +3.9% |
| ❌ | WallTime | from_elem_decimal[1024] |
80 ns | 89 ns | -10.11% |
| ❌ | WallTime | from_elem_decimal[2048] |
254 ns | 289 ns | -12.11% |
| ⚡ | WallTime | mut_borrow |
8 ns | 7 ns | +14.29% |
| ⚡ | Instrumentation | recursive_memoized[BTreeMap<u64, u64>, 0] |
400.8 ns | 371.7 ns | +7.85% |
| ❌ | WallTime | generate_combinations[6] |
1.8 µs | 2 µs | -8.39% |
| ❌ | WallTime | generate_combinations[7] |
2.6 µs | 2.7 µs | -4.81% |
| ❌ | WallTime | generate_parentheses[4] |
7.6 µs | 7.9 µs | -3.82% |
| ⚡ | WallTime | graph_coloring[3] |
1.9 µs | 1.7 µs | +13.37% |
| ❌ | WallTime | hamiltonian_cycle[4] |
785 ns | 812 ns | -3.33% |
| ❌ | WallTime | hamiltonian_cycle[5] |
905 ns | 959 ns | -5.63% |
| ❌ | WallTime | hamiltonian_cycle[6] |
968 ns | 1,013 ns | -4.44% |
| ❌ | WallTime | hamiltonian_cycle[7] |
1 µs | 1.1 µs | -3.99% |
| ⚡ | WallTime | permutations[3] |
1,019 ns | 893 ns | +14.11% |
| ... | ... | ... | ... | ... | ... |
ℹ️ Only the first 20 benchmarks are displayed. Go to the app to view all benchmarks.
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