A neural processing unit (NPU) or a neural processor is a microprocessor that specializes in the acceleration of machine learning algorithms, typically by operating on predictive models such as artificial neural networks (ANNs) or random forests (RFs).

NPUs sometimes go by similar names such as a tensor processing unit (TPU), neural network processor (NNP) and intelligence processing unit (IPU) as well as vision processing unit (VPU) and graph processing unit (GPU).

Examples

• Google's TPU
• Intel's Nervana NNP
• Nvidia's Volta (implements tensor cores)
• Bitmain's Sophon

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