A method for reducing redundancy reading based on inter-register communication

The invention provides a method for reducing redundancy reading based on inter-register communication, which belongs to the technical field of computers and comprises the following steps of: reading data from y directions of a to-be-calculated data point set stored in a DMA (Direct Memory Access) from m slave cores in one y direction in a core cluster respectively; if the data read from the adjacent slave cores of the core n contains the y-direction boundary data, not reading the y-direction boundary data contained in the adjacent slave cores from the DMA; the slave cores n communicate with the adjacent slave cores through registers to obtain boundaries in the y direction of the slave cores; reading the boundary data from the adjacent slave cores from the slave core n; wherein the number of the slave cores in the y direction in the slave core cluster is m. According to the method, the data volume of directly reading the data from the DMA is reduced, the redundant reading part in data calculation is reduced, the data waste is avoided, and the utilization rate of the DMA bandwidth is improved.