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Very large-scale Deep Neural Networks (DNNs) have achieved remarkable successes in a large variety of computer vision tasks. However, the high computation intensity of DNNs makes it challenging to deploy these models on resource-limited systems. Some studies used low-rank approaches that approximate the filters by low-rank basis to accelerate the testing. Those works directly decomposed the pre-trained...
Convolutional neural networks (CNNs) have recently broken many performance records in image recognition and object detection problems. The success of CNNs, to a great extent, is enabled by the fast scaling-up of the networks that learn from a huge volume of data. The deployment of big CNN models can be both computation-intensive and memory-intensive, leaving severe challenges to hardware implementations...
As a large-scale commercial spiking-based neuromorphic computing platform, IBM TrueNorth processor received tremendous attentions in society. However, one of the known issues in TrueNorth design is the limited precision of synaptic weights. The current workaround is running multiple neural network copies in which the average value of each synaptic weight is close to that in the original network. We...
Synapse crossbar is an elementary structure in neuromorphic computing systems (NCS). However, the limited size of crossbars and heavy routing congestion impede the NCS implementation of large neural networks. In this paper, we propose a two-step framework (namely, group scissor) to scale NCS designs to large neural networks. The first step rank clipping integrates low-rank approximation into the training...
As the fourth basic circuit element, memristor has a unique synapse-alike feature which demonstrates great potentials in neuromorphic circuit design. However, a large gap exists between the theoretical memristor characteristics and the actual device behavior. For example, though the continuous changing in resistance state is expected in neuromorphic circuit design, it is difficult to maintain arbitrary...
The rapid growth of computing capacity of modern microprocessors enables the wide adoption of machine learning and neural network models. The ever-increasing demand for performance, combining with the concern on power budget, motivated the recent research on hardware acceleration for these learning algorithms. A wide spectrum of hardware platforms have been extensively studied, from conventional heterogeneous...
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