| number | method | Intel i3 2375M |
Intel i7 3630QM |
Intel i7 4900MQ |
|---|---|---|---|---|
| 1 | u8_popcnt_reference | 3.197 | 1.309 | 1.133 |
| 2 | u8_popcnt_wegner | 2.478 | 1.120 | 0.930 |
| 3 | u32_popcnt_wegner | 1.199 | 0.543 | 0.410 |
| 4 | u8_popcnt_shift_v1 | 0.128 | 0.060 | 0.032 |
| 5 | u32_popcnt_shift_v1 | 0.052 | 0.091 | 0.009 |
| 6 | u8_popcnt_shift_v2 | 0.124 | 0.058 | 0.035 |
| 7 | u32_popcnt_shift_v2 | 0.046 | 0.070 | 0.008 |
| 8 | u32_popcnt_table_v1 | 0.245 | 0.075 | 0.089 |
| 9 | u32_popcnt_table_v2 | 0.110 | 0.049 | 0.030 |
| 10 | u8_asm_popcnt | 0.182 | 0.080 | 0.050 |
| 11 | u32_asm_popcnt | 0.049 | 0.022 | 0.010 |
| 12 | u32_asm_popcnt_ur2 | 0.038 | 0.020 | 0.007 |
| 13 | u32_asm_popcnt_ur4 | 0.037 | 0.015 | 0.007 |
| 14 | u32_sse_popcnt_v1 | 0.039 | 0.018 | 0.010 |
| 15 | u32_sse_popcnt_v2 | 0.049 | 0.019 | 0.010 |
| 16 | u32_avx2_popcnt_v1 | N/A | N/A | 0.010 |
| 17 | u8_popcnt_intrinsics | 0.038 | 0.017 | 0.009 |