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PZnet: Efficient 3D ConvNet Inference on Manycore CPUs

Author(s): Popovych, Sergiy; Buniatyan, Davit; Zlateski, Aleksandar; Li, Kai; Seung, H Sebastian

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Abstract: Convolutional nets have been shown to achieve state-of-the-art accuracy in many biomedical image analysis tasks. Many tasks within biomedical analysis domain involve analyzing volumetric (3D) data acquired by CT, MRI and Microscopy acquisition methods. To deploy convolutional nets in practical working systems, it is important to solve the efficient inference problem. Namely, one should be able to apply an already-trained convolutional network to many large images using limited computational resources. In this paper we present PZnet, a CPU-only engine that can be used to perform inference for a variety of 3D convolutional net architectures. PZNet outperforms MKL-based CPU implementations of PyTorch and Tensorflow by more than 3.5x for the popular U-net architecture. Moreover, for 3D convolutions with low featuremap numbers, cloud CPU inference with PZnet outperforms cloud GPU inference in terms of cost efficiency.
Publication Date: 2020
Citation: Popovych, Sergiy, Davit Buniatyan, Aleksandar Zlateski, Kai Li, and H. Sebastian Seung. “PZnet: Efficient 3D ConvNet Inference on Manycore CPUs.” In Advances in Computer Vision (2020): pp. 369–83. doi:10.1007/978-3-030-17795-9_27
DOI: 10.1007/978-3-030-17795-9_27
ISSN: 2194-5357
EISSN: 2194-5365
Pages: 369 - 383
Type of Material: Conference Article
Journal/Proceeding Title: Advances in Computer Vision
Version: Author's manuscript

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