sse算法测时
gts250
Bones	cpu	        openmp	        sse	        openmp+sse       speedup
/vertex	kernel	frame	kernel	frame	kernel	frame	kernel	frame    kernel	frame
1	11	15	3.8	7.5	6.1	10	3.2	7.1      3.4	2.1
2	26	30	6.2	10	9.4	13	3.8	7.6      6.8	3.9
3	36	40	7.7	11	11	15	4.4	8.1      8.2	4.9
4	46	50	10	14	15	19	4.9	8.6      9.4	5.8