feat: add memory profiling support #103
Merged
CodSpeed HQ / CodSpeed Performance Analysis
failed
Feb 6, 2026
Performance Regression: -8.2%
Summary
⚡ 15 improved benchmarks
❌ 17 regressed benchmarks
✅ 135 untouched benchmarks
🆕 110 new benchmarks
⚠️ Please fix the performance issues or acknowledge them on CodSpeed.
Performance Changes
| Mode | Benchmark | BASE |
HEAD |
Efficiency | |
|---|---|---|---|---|---|
| ❌ | WallTime | test_match_word_pattern[aba-GraphTreesGraph] |
99.2 µs | 103.1 µs | -3.79% |
| ❌ | WallTime | test_generate_all_combinations[5-4] |
10.9 µs | 11.4 µs | -3.93% |
| ⚡ | WallTime | test_sum_squares_slow |
332.8 µs | 294.1 µs | +13.17% |
| ❌ | WallTime | test_sudoku[initial_grid0] |
7.7 µs | 8.1 µs | -4.21% |
| ❌ | WallTime | test_hamilton_cycle[graph0] |
24.6 µs | 25.2 µs | -2.35% |
| ⚡ | WallTime | test_hostname_resolution[localhost] |
125 µs | 120.9 µs | +3.39% |
| ❌ | WallTime | test_process_creation[cat /dev/null] |
4.9 ms | 5.3 ms | -8.2% |
| ⚡ | WallTime | test_multiprocessing_map[10000] |
137.3 ms | 99.1 ms | +38.58% |
| ⚡ | WallTime | test_pipe_communication[10000] |
15.1 ms | 13 ms | +16.25% |
| ❌ | WallTime | test_make_lowpass |
5.9 µs | 6 µs | -2.54% |
| ❌ | WallTime | test_make_peak |
6.6 µs | 6.9 µs | -4.21% |
| ⚡ | WallTime | test_sum_squares_fast |
165 µs | 158.2 µs | +4.29% |
| ❌ | WallTime | test_recursive_fibo_20 |
5.2 ms | 5.4 ms | -3.09% |
| ❌ | WallTime | test_noop_lambda_decorated |
1.3 µs | 1.4 µs | -6.65% |
| ❌ | WallTime | test_sum_of_squares[sum_of_squares_sum_labmda_power] |
285.7 µs | 293.9 µs | -2.78% |
| ⚡ | WallTime | test_open_close_fd[100] |
902 µs | 880.6 µs | +2.44% |
| ⚡ | WallTime | test_multiprocessing_map[1000] |
63.3 ms | 59.2 ms | +6.79% |
| ❌ | WallTime | test_process_creation[ls -l] |
6.3 ms | 6.6 ms | -4.01% |
| ❌ | WallTime | test_open_knight_tour[1] |
4 µs | 4.2 µs | -3.31% |
| ⚡ | WallTime | test_mmap_operation[409600] |
131.7 µs | 128.2 µs | +2.69% |
| ... | ... | ... | ... | ... | ... |
ℹ️ Only the first 20 benchmarks are displayed. Go to the app to view all benchmarks.
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