A data processing apparatus and its data processing method

Details A data processing apparatus and its data processing method A data processing apparatus and its data processing method

G - Physics

06

F

G06F 13/20 (2006.01) G06F 13/36 (2006.01) G06F 13/40 (2006.01)

Patent

CA 2255350

This invention provides a data processing apparatus with a hierarchical bus for realizing appropriate data transfer speed and data processing speed, even if more I/O devices are connected to the data processing apparatus. Processor are provided in a part or all of layers in the hierarchical bus. The processors perform a selection, projection, and accumulation processing of data transmitted from I/O devices to a main memory. Accordingly, a data amount transmitted to a system bus at an upper layer can be reduced, and a data amount processed by the CPU can be reduced.

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