| 摘要 |
PROBLEM TO BE SOLVED: To shorten a storing processing time by transferring by a processor module image data specified by a specifying means from a cache memory to a memory device when the cache memory is not accessed. SOLUTION: A cache reflection part 206 monitors data accessing between a CPU 203 and an external cache 204, searches for what is not stored in a RAM 207 among stored contents of the external cache 204, and records a block address corresponding to the discovered memory contents. When the memory is not accessed, the CPU 203 as a processor module transfers data from the cache reflection part 206 to the RAM 207 on the basis of the recorded block address, thereby transferring the whole of stored contents of the external cache 204 to the RAM 207. A time for storing processing can be shortened accordingly.
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