The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Feb. 19, 2002
Filed:
Mar. 15, 1999
Matsushita Electric Industrial Co., Ltd., Osaka, JP;
Abstract
The present invention provides for setting the block-size suitably in each address space in order to deal with the difference of the scope within the spatial locality in the address space, and to suppress the generating of the unnecessary replacing. In a cache memory system according to the present invention, a cache memory is provided for temporarily storing the data stored in a main memory, and a processor accesses the cache memory, the cache memory system comprising: a block-size information storing system for storing the size of the data to be replaced between the cache memory and the main memory in every plural storage spaces of predetermined amount within the cache memory; and a system for replacing the data between the storage space in which the cache miss is occurred within the cache memory and the main memory, when the access of the processor to the storage space within the cache memory produces a cache miss, at the block-size corresponding to the storage space producing the cache miss, among the size stored in the block-size information storing system.