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神经网络量化方法 | 拾荒志

https://murphypei.github.io/blog/2019/11/neural-network-quantization.html

神经网络虽然在多个领域取得了非常巨大的成就,但是其本质是大量参数的拟合和泛化,如果想处理更加复杂的任务,在没有过拟合的情况下,增加训练数据和加大网络规模无疑是简单有效的手段。现实情况就是这么做的,但是巨大的参数量和复杂的网络结构造成了两个主要的问题:模型体积和运算速度。这两个问题会带来诸如内存容量,内存存取带宽,移动端还有电量消耗等一系列问题,大大限制了神经网络的应用场景。

卷积计算优化方法:Winograd | 拾荒志

https://murphypei.github.io/blog/2019/06/winograd.html

在卷积网络中,大部分的计算耗费在计算卷积的过程中,尤其是在端上设备中,对于性能的要求更为苛刻。程序的性能优化是一个复杂而庞大的话题。高性能计算就像系统设计一样,虽然有一些指导原则,但是,对于不同的场景需要有不同的设计方案,因此,对于同一个优化问题,不同的人可能会给出完全不同的优化方案。本文不是探讨硬件和代码级的优化,仅针对计算卷积的一个特定方法 —— Winograd 方法做一个简单的记述。

C++ INL 文件 | 拾荒志

https://murphypei.github.io/blog/2019/06/cpp-inl.html

.INL 文件是内联函数的源文件。内联函数通常在 C++ 头文件中实现,但有的时候内联函数较多或者出于一些别的考虑,如为了使头文件看起来更简洁等,往往会将这部分具体定义的代码添加到 .INL 文件中,然后在该头文件的末尾将其用 #include 引入。由此也可以看到 .INL 文件的另外一个用法的影子——模板函数、模板类的定义代码的存放。对于比较大的工程来说,出于管理方面的考虑,模板函数、模板类的

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