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.

Date of Patent:
Aug. 29, 2017

Filed:

Apr. 05, 2016
Applicant:

Sony Corporation, Tokyo, JP;

Inventor:

Taichi Hirao, Tokyo, JP;

Assignee:

SONY CORPORATION, Tokyo, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G06F 12/0831 (2016.01); G06F 12/0864 (2016.01); G06F 12/084 (2016.01); G06F 12/0855 (2016.01); G06F 12/128 (2016.01);
U.S. Cl.
CPC ...
G06F 12/0833 (2013.01); G06F 12/084 (2013.01); G06F 12/0859 (2013.01); G06F 12/0864 (2013.01); G06F 12/128 (2013.01); G06F 2212/314 (2013.01); G06F 2212/621 (2013.01); G06F 2212/69 (2013.01);
Abstract

A cache memory includes: a tag storage section in which one of a plurality of indexes, each index containing a plurality of tag addresses and one suspension-indicating section, is looked up by a first address portion of an accessed address; a data storage section; a tag control section configured to, when the suspension-indicating section contained in the looked-up index indicates suspension, allow access relevant to the accessed address to wait, and when the suspension-indicating section contained in the looked-up index indicates non-suspension, compare a second address portion different from the first address portion of the accessed address to each of the plurality of tag addresses contained in the looked-up index, and detects a tag address matched with the second address portion; and a data control section.


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