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Energy Efficient Hardware Design of ...

Venkataramanaiah, Shreyas Kolala.

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Energy Efficient Hardware Design of Neural Networks.

紀錄類型:	書目-電子資源 : Monograph/item
正題名/作者:	Energy Efficient Hardware Design of Neural Networks./
作者:	Venkataramanaiah, Shreyas Kolala.
出版者:	Ann Arbor : ProQuest Dissertations & Theses, : 2018,
面頁冊數:	53 p.
附註:	Source: Masters Abstracts International, Volume: 80-06.
Contained By:	Masters Abstracts International80-06.
標題:	Computer Engineering. -
電子資源:	http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=10977775
ISBN:	9780438713376

Energy Efficient Hardware Design of Neural Networks.
Venkataramanaiah, Shreyas Kolala.

Energy Efficient Hardware Design of Neural Networks. - Ann Arbor : ProQuest Dissertations & Theses, 2018 - 53 p.

Source: Masters Abstracts International, Volume: 80-06.

Thesis (M.S.)--Arizona State University, 2018.

This item must not be sold to any third party vendors.

Hardware implementation of deep neural networks is earning significant importance nowadays. Deep neural networks are mathematical models that use learning algorithms inspired by the brain. Numerous deep learning algorithms such as multi-layer perceptrons (MLP) have demonstrated human-level recognition accuracy in image and speech classification tasks. Multiple layers of processing elements called neurons with several connections between them called synapses are used to build these networks. Hence, it involves operations that exhibit a high level of parallelism making it computationally and memory intensive. Constrained by computing resources and memory, most of the applications require a neural network which utilizes less energy. Energy efficient implementation of these computationally intense algorithms on neuromorphic hardware demands a lot of architectural optimizations. One of these optimizations would be the reduction in the network size using compression and several studies investigated compression by introducing element-wise or row-/column-/block-wise sparsity via pruning and regularization. Additionally, numerous recent works have concentrated on reducing the precision of activations and weights with some reducing to a single bit. However, combining various sparsity structures with binarized or very-low-precision (2-3 bit) neural networks have not been comprehensively explored. Output activations in these deep neural network algorithms are habitually non-binary making it difficult to exploit sparsity. On the other hand, biologically realistic models like spiking neural networks (SNN) closely mimic the operations in biological nervous systems and explore new avenues for brain-like cognitive computing. These networks deal with binary spikes, and they can exploit the input-dependent sparsity or redundancy to dynamically scale the amount of computation in turn leading to energy-efficient hardware implementation. This work discusses configurable spiking neuromorphic architecture that supports multiple hidden layers exploiting hardware reuse. It also presents design techniques for minimum-area/-energy DNN hardware with minimal degradation in accuracy. Area, performance and energy results of these DNN and SNN hardware is reported for the MNIST dataset. The Neuromorphic hardware designed for SNN algorithm in 28nm CMOS demonstrates high classification accuracy (>98% on MNIST) and low energy (51.4 - 773 (nJ) per classification). The optimized DNN hardware designed in 40nm CMOS that combines 8X structured compression and 3-bit weight precision showed 98.4% accuracy at 33 (nJ) per classification.

ISBN: 9780438713376Subjects--Topical Terms:

1567821
Computer Engineering.

Energy Efficient Hardware Design of Neural Networks.
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