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RecLight: A Recurrent Neural Network Accelerator with Integrated Silicon Photonics

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arxiv 2209.00084 v1 pith:NGKHGKMA submitted 2022-08-31 cs.LG cs.ARcs.NE

RecLight: A Recurrent Neural Network Accelerator with Integrated Silicon Photonics

classification cs.LG cs.ARcs.NE
keywords applicationsreclightacceleratingacceleratorgruslstmsneuralrecognition
verification ladder T0 review T1 audit T2 compute T3 formal T4 reserved
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Recurrent Neural Networks (RNNs) are used in applications that learn dependencies in data sequences, such as speech recognition, human activity recognition, and anomaly detection. In recent years, newer RNN variants, such as GRUs and LSTMs, have been used for implementing these applications. As many of these applications are employed in real-time scenarios, accelerating RNN/LSTM/GRU inference is crucial. In this paper, we propose a novel photonic hardware accelerator called RecLight for accelerating simple RNNs, GRUs, and LSTMs. Simulation results indicate that RecLight achieves 37x lower energy-per-bit and 10% better throughput compared to the state-of-the-art.

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