| 摘要 |
PROBLEM TO BE SOLVED: To solve conventional problems which deteriorate performance such as different addresses on a memory, lowering hitting rate of instruction cache and requiring a purge processing because a code cache capacity is set in an allowable range of code cache searching time, a new code sequence commonly used by an entire operation process is retreated to the outside of a code cache and returned to the inside of the code cache when using it. SOLUTION: Access information to a code cache data array for storing the new code sequence from address information of an original code sequence is stored in a profile management table. An effective cache tag management table, for storing information for referring a specific entry of the code cache data array, which is referred to from the profile management table and a retreat cache tag management table for temporarily retreating an entry of the effective cache tag management table when there is no empty space for storing new code sequence information are provided for a cord cache control device. COPYRIGHT: (C)2004,JPO&NCIPI
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