代码

https://github.com/gykimo/c_plusplus_optimize/tree/master/shared_ptr_vs_other_auto_ptr

耗时

webrtc的实现性能shared_ptr高一倍；

[case 1] shared_ptr:

real    0m0.515s
user    0m0.511s
sys 0m0.001s

==========================
[case 2] webrtc_ref:

real    0m0.277s
user    0m0.275s
sys 0m0.000s

分析