Neural network acceleration device

The invention relates to the technical field of computers, and provides a neural network acceleration device which is used for bearing the operation of a preset neural network. The device comprises aconvolution calculation unit, an input feature map unit and a weight unit which are connected with the input end of the convolution calculation unit, and an output feature map unit connected with theoutput end of the convolution calculation unit, wherein the convolution calculation unit is determined based on the structure of the preset neural network. The neural network acceleration device provided by the invention can be designed for different structures of the neural network, the calculation efficiency of the preset neural network is improved, and meanwhile, the calculation of the preset neural network is completed in the device without the participation of a central processing unit, so that the memory bandwidth requirement and the hardware resource consumption are reduced. 本申请涉及计算机技术领域，提供了一种神经网络加速装置，所述装置用于承载预设