一次Dhrystone测试

Taishan3721

发布于 2021-09-15 11:20:22

1.6K0

发布于 2021-09-15 11:20:22

文章被收录于专栏：这里只有VxWorks这里只有VxWorks

Dhrystone是一套基准程序，用来测试CPU的整数计算性能，不包括浮点运算。

还是用上次的设备：

Intel Haswell Processor
主频 2.8GHz
VxWorks 6.9 SMP
GCC 4.3.3
循环20次，每次执行 1000,000 个Dhrystone
数据单位: 毫秒

-> dhrystone
1. Test (time for 1000000 number of loops): 58.000000
2. Test (time for 1000000 number of loops): 58.000000
3. Test (time for 1000000 number of loops): 58.000000
4. Test (time for 1000000 number of loops): 58.000000
5. Test (time for 1000000 number of loops): 58.000000
6. Test (time for 1000000 number of loops): 57.000000
7. Test (time for 1000000 number of loops): 58.000000
8. Test (time for 1000000 number of loops): 57.000000
9. Test (time for 1000000 number of loops): 58.000000
10. Test (time for 1000000 number of loops): 58.000000
11. Test (time for 1000000 number of loops): 58.000000
12. Test (time for 1000000 number of loops): 58.000000
13. Test (time for 1000000 number of loops): 58.000000
14. Test (time for 1000000 number of loops): 58.000000
15. Test (time for 1000000 number of loops): 57.000000
16. Test (time for 1000000 number of loops): 58.000000
17. Test (time for 1000000 number of loops): 58.000000
18. Test (time for 1000000 number of loops): 58.000000
19. Test (time for 1000000 number of loops): 58.000000
20. Test (time for 1000000 number of loops): 58.000000
Average Time over 20 runs: 57.850000 millisec

这是截图