平台工具集 v110(vs2012) 改为 v100(vs2010)
Core i7 870K @ 2.9 GHz
sse2
thread   Peak   Actural   Rate
1        11.72  11.68     99.7%
8        46.88  41.76     89%

Theoretical SSE peak is 4 flops * 2.93 GHz = 11.72 GFlops
Theoretical SSE peak is 4 flops * 4 cores * 2.93 GHz = 46.88 GFlops
Actural flops 41.76(add+mul)  89%

avx  -  unsurported