Yorkfield: - sse2: - complex: 4.13x faster (1514 vs. 367 cycles) - simple: 4.38x faster (1836 vs. 419 cycles) Skylake: - sse2: - complex: 3.61x faster ( 936 vs. 260 cycles) - simple: 3.97x faster (1126 vs. 284 cycles) - avx (versus sse2): - complex: 1.07x faster (260 vs. 244 cycles) - simple: 1.03x faster (284 vs. 274 cycles)