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2.3 多进程编程
在上一节我们讲过Python的多线程由于全局线程锁的存在并不能实现真正的并行编程,但是Python中的多进程编程模式是可以实现这个目标的。多进程模式下进行上下文切换的损耗要远远大于线程。进程间无法直接共享数据,需要通过Queue、Pipe或则Manager方式做进程 ...
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