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多线程问题 #54

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zhly0 opened this issue Oct 28, 2017 · 2 comments
Closed

多线程问题 #54

zhly0 opened this issue Oct 28, 2017 · 2 comments

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@zhly0
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zhly0 commented Oct 28, 2017 •
edited

你好,问下在mini-caffe中common.hpp中有Caffe这个类,为什么找了半天没看到在哪里有用啊,还有这个mini-caffe的多线程是怎么样的啊?就是在不同的线程中调用用CaffeNetCreate初始化了的net会怎么样,会和BVLC/caffe#4595 中一样吗?
@luoyetx
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luoyetx commented Oct 30, 2017

Caffe 这个类是 thread local 的单例，是 global context，代码其他地方有用到，比如这里判断运行环境是 cpu 还是 gpu。不同线程创建 net 对象没有问题，net 对象本身并不是线程安全的，不能创建一个对象然后在多个线程里去调用 net 对象的方法。

@zhly0
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zhly0 commented Oct 30, 2017

明白了,多谢!

@zhly0 zhly0 closed this as completed Oct 30, 2017
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