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Spike-based dynamic computing with asynchronous sensing-computing neuromorphic chip
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DOI：10.1038/s41467-024-47811-6.png)
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摘要
En 中文
By mimicking the neurons and synapses of the human brain and employing spiking neural networks on neuromorphic chips, neuromorphic computing offers a promising energy-efficient machine intelligence. How to borrow high-level brain dynamic mechanisms to help neuromorphic computing achieve energy advantages is a fundamental issue. This work presents an application-oriented algorithm-software-hardware co-designed neuromorphic system for this issue. First, we design and fabricate an asynchronous chip called Speck, a sensing-computing neuromorphic system on chip. With the low processor resting power of 0.42mW, Speck can satisfy the hardware requirements of dynamic computing: no-input consumes no energy. Second, we uncover the dynamic imbalance in spiking neural networks and develop an attention-based framework for achieving the algorithmic requirements of dynamic computing: varied inputs consume energy with large variance. Together, we demonstrate a neuromorphic system with real-time power as low as 0.70mW. This work exhibits the promising potentials of neuromorphic computing with its asynchronous event-driven, sparse, and dynamic nature.
Keyword:
NEURAL-NETWORK
ON-CHIP
ATTENTION
VISION
SYSTEM
INTELLIGENCE
MECHANISMS
NOISE
LOIHI
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IF:
15.7
论文数:
9.4W
被引数:
91.2W
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