用2003或2010b cl，都加/O2 结果都是36秒
Timer 3.01Copyright (c) 2002-2003 Igor Pavlov2003-07-10
First fail
Total table size 31816105
Total eq stat found 5732950
Total neq stat found 26083155
Kernel Time= 0.265 = 00:00:00.265 = 0%
User Time = 36.036 = 00:00:36.036 =99%
Process Time = 36.301 = 00:00:36.301 =99%
Global Time= 36.318 = 00:00:36.318 = 100%