Remove CFFI in favor of native extension to support free-threaded mode #96
CodSpeed HQ / CodSpeed Performance Analysis
failed
Nov 27, 2025 in 0s
Performance Regression: -24.69%
Summary
⚡ 47 improvements
❌ 22 regressions
✅ 98 untouched
⚠️ Please fix the performance issues or acknowledge them on CodSpeed.
Benchmarks breakdown
| Mode | Benchmark | BASE |
HEAD |
Change | |
|---|---|---|---|---|---|
| ⚡ | Simulation | test_iir_filter_process |
35.2 µs | 32.8 µs | +7.29% |
| ❌ | WallTime | test_iir_filter_process |
2.6 µs | 2.7 µs | -3.85% |
| ⚡ | Simulation | test_iir_filter_set_coefficients[a_coeffs0-b_coeffs0] |
16.7 µs | 14 µs | +19.03% |
| ⚡ | Simulation | test_make_allpass |
46.4 µs | 43.8 µs | +5.99% |
| ⚡ | Simulation | test_make_bandpass |
47.1 µs | 44.5 µs | +5.93% |
| ⚡ | Simulation | test_make_highpass |
47.2 µs | 44.5 µs | +6.13% |
| ⚡ | Simulation | test_make_highshelf |
46.1 µs | 43.6 µs | +5.72% |
| ⚡ | Simulation | test_make_lowpass |
47 µs | 44.5 µs | +5.81% |
| ❌ | WallTime | test_make_lowpass |
5.3 µs | 5.5 µs | -2.81% |
| ⚡ | Simulation | test_make_lowshelf |
46.1 µs | 43.6 µs | +5.8% |
| ⚡ | WallTime | test_make_lowshelf |
7.4 µs | 7.2 µs | +3.3% |
| ❌ | WallTime | test_make_peak |
6 µs | 6.2 µs | -2.73% |
| ⚡ | Simulation | test_make_peak |
43.3 µs | 40.9 µs | +5.9% |
| ⚡ | Simulation | test_color[graph0-3] |
76.7 µs | 74 µs | +3.68% |
| ⚡ | Simulation | test_combination_lists[0-0] |
26.5 µs | 23.9 µs | +10.78% |
| ⚡ | Simulation | test_combination_lists[4-2] |
31.3 µs | 28.7 µs | +8.81% |
| ⚡ | Simulation | test_combination_lists[5-4] |
31.4 µs | 28.9 µs | +8.65% |
| ❌ | WallTime | test_combination_sum[candidates0-8] |
10.9 µs | 11.1 µs | -2.62% |
| ⚡ | Simulation | test_combination_sum[candidates0-8] |
43.6 µs | 40.9 µs | +6.61% |
| ⚡ | Simulation | test_depth_first_search[4] |
86.2 µs | 84.2 µs | +2.34% |
| ... | ... | ... | ... | ... | ... |
ℹ️ Only the first 20 benchmarks are displayed. Go to the app to view all benchmarks.
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