1. An image processing apparatus comprising: an arithmetic processing unit which processes image data, being a digital signal prepared based on an image, as a manifest image, said arithmetic processing unit including, an arithmetic processing section of SIMD (Single Instruction Multiple Data stream) type that can process a plurality of image data at the same time; a plurality of memories connected to said arithmetic processing section; and a memory controller which controls each of said memories, wherein said memory controller controls transfer of image data performed between said memory and said arithmetic processing section.