update getrandom to 0.4 - #177
Merged
Merged
CodSpeed HQ / CodSpeed Performance Analysis
failed
Jun 23, 2026 in 0s
56 benchmarks regressed
⚠️ Different runtime environments detected
Some benchmarks with significant performance changes were compared across different runtime environments,
which may affect the accuracy of the results.
⚡ 62 improved benchmarks
❌ 53 regressed benchmarks
✅ 476 untouched benchmarks
Warning
Please fix the performance issues or acknowledge them on CodSpeed.
Performance Changes
| Mode | Benchmark | BASE |
HEAD |
Efficiency | |
|---|---|---|---|---|---|
| ❌ | WallTime | instant |
11 ns | 59 ns | -81.36% |
| ❌ | WallTime | from_elem_decimal[1024] |
84 ns | 213 ns | -60.56% |
| ❌ | WallTime | from_elem[1024] |
83 ns | 168 ns | -50.6% |
| ❌ | WallTime | rem |
3 ns | 6 ns | -50% |
| ❌ | Simulation | permutations[5] |
33.7 µs | 66.1 µs | -49.06% |
| ❌ | Simulation | from_elem_decimal[1024] |
1.9 µs | 3.1 µs | -39.07% |
| ❌ | WallTime | mul |
2 ns | 3 ns | -33.33% |
| ❌ | Simulation | from_elem[1024] |
1.9 µs | 2.8 µs | -32.55% |
| ❌ | WallTime | generate_combinations[9] |
5.3 µs | 7.8 µs | -31.91% |
| ❌ | Simulation | from_elem[2048] |
3.4 µs | 4.6 µs | -25.87% |
| ❌ | Simulation | from_elem_decimal[2048] |
3.4 µs | 4.6 µs | -25.87% |
| ❌ | WallTime | graph_coloring[5] |
1 µs | 1.3 µs | -19.69% |
| ❌ | Simulation | iterative[0] |
119.2 ns | 148.3 ns | -19.66% |
| ❌ | Simulation | process_items_with_counter |
865 ns | 1,021.1 ns | -15.29% |
| ❌ | WallTime | sort |
120.2 µs | 140.8 µs | -14.67% |
| ❌ | WallTime | sum_fold |
309 ns | 359 ns | -13.93% |
| ❌ | WallTime | subset_sum[10] |
1 µs | 1.2 µs | -12.25% |
| ❌ | WallTime | subset_sum[12] |
1.9 µs | 2.2 µs | -12.2% |
| ❌ | WallTime | subset_sum[16] |
4 µs | 4.6 µs | -12.11% |
| ❌ | WallTime | subset_sum[14] |
2.1 µs | 2.3 µs | -12.03% |
| ... | ... | ... | ... | ... | ... |
ℹ️ Only the first 20 benchmarks are displayed. Go to the app to view all benchmarks.
Tip
Investigate this regression by commenting @codspeedbot fix this regression on this PR, or directly use the CodSpeed MCP with your agent.
Comparing main (b79f040) with main (b30ce7d)
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