争用同步之所以慢，是因为它涉及多个线程切换和系统调用。

Contended synchronizations are slow because they involve multiple thread switches and system calls.

youdao

争用同步之所以慢，是因为它涉及多个线程切换和系统调用。

Contended synchronizations are slow because they involve multiple thread switches and system calls.

youdao