| number | method | Intel i3 2375M |
Intel i7 3630QM |
Intel i7 4900MQ |
|---|---|---|---|---|
| 1 | u8_popcnt_reference | 1.575 | 0.652 | 0.557 |
| 2 | u8_popcnt_wegner | 1.214 | 0.548 | 0.457 |
| 3 | u32_popcnt_wegner | 0.590 | 0.278 | 0.202 |
| 4 | u8_popcnt_shift_v1 | 0.060 | 0.030 | 0.016 |
| 5 | u32_popcnt_shift_v1 | 0.026 | 0.046 | 0.001 |
| 6 | u8_popcnt_shift_v2 | 0.060 | 0.030 | 0.016 |
| 7 | u32_popcnt_shift_v2 | 0.022 | 0.036 | 0.000 |
| 8 | u32_popcnt_table_v1 | 0.122 | 0.040 | 0.040 |
| 9 | u32_popcnt_table_v2 | 0.058 | 0.024 | 0.015 |
| 10 | u8_asm_popcnt | 0.090 | 0.041 | 0.022 |
| 11 | u32_asm_popcnt | 0.026 | 0.013 | 0.004 |
| 12 | u32_asm_popcnt_ur2 | 0.020 | 0.009 | 0.000 |
| 13 | u32_asm_popcnt_ur4 | 0.020 | 0.010 | 0.000 |
| 14 | u32_sse_popcnt_v1 | 0.020 | 0.010 | 0.003 |
| 15 | u32_sse_popcnt_v2 | 0.025 | 0.011 | 0.004 |
| 16 | u32_avx2_popcnt_v1 | N/A | N/A | 0.006 |
| 17 | u8_popcnt_intrinsics | 0.016 | 0.010 | 0.001 |