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Patent Searching and Data


Title:
STORAGE CONTROL DEVICE, STORAGE DEVICE, AND INFORMATION PROCESSING SYSTEM
Document Type and Number:
WIPO Patent Application WO/2020/021791
Kind Code:
A1
Abstract:
In the present invention, only data having a high access frequency is registered in a cache storage. The cache storage stores a portion of data that is to be stored in a main storage. A cache management unit retains an access frequency for each cache entry in the cache storage. A candidate cache management unit retains an access frequency for each candidate entry not registered in the cache storage. A cache update unit updates an access frequency in accordance with the address of an issued access command, and updates the cache entry and the candidate entry on the basis of the access frequency.

Inventors:
NAKANISHI KENICHI (JP)
Application Number:
JP2019/016105
Publication Date:
January 30, 2020
Filing Date:
April 15, 2019
Export Citation:
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Assignee:
SONY SEMICONDUCTOR SOLUTIONS CORP (JP)
International Classes:
G06F3/06
Foreign References:
JP2016062315A2016-04-25
JP2012048361A2012-03-08
JP2013174997A2013-09-05
JP2011141754A2011-07-21
Attorney, Agent or Firm:
MARUSHIMA, Toshikazu (JP)
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