Tensorized Spectrum Preserving Compression for Neural Networks
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Modern neural networks can have tens of millions of parameters, and are often ill-suited for smartphones or IoT devices. In this paper, we describe an efficient mechanism for compressing large networks by tensorizing network layers: i.e. mapping layers on to high-order matrices, for which we introduce new tensor decomposition methods. Compared to previous compression methods, some of which use tensor decomposition, our techniques preserve more of the networks invariance structure. Coupled with a new data reconstruction-based learning method, we show that tensorized compression outperforms existing techniques for both convolutional and fully-connected layers on state-of-the art networks.
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