线程的创建和管理只需要较小的操作系统开销和较少的系统资源。
Threads can be created and managed less operating system overhead and fewer system resources.
操作系统应该作为一项供应用程序使用的基本资源，来提供给计算机，它要尽可能的做到复杂性低，抽象性低，开销小。
The operating system should supply the computer as a basic resource to the running application's', with as little complication, abstraction and overhead as possible.
这样就能够避免网络延迟、进程间通信的开销以及操作系统中的上下文切换，从而进一步提高速度。
This avoids network latency and the overhead of inter-process communication, as well as context switching in the operating system, further contributing to extreme speed.
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