Title:
MEMORY SYSTEM
Document Type and Number:
Japanese Patent JP2017058951
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To provide a memory system capable of efficient memory access.SOLUTION: A memory system comprises: a first tag region 4b for storing address information corresponding to data within a first data region 4a; a second tag region 4c for associating and storing the address information with priority information; an access information transmission unit 11 for transmitting access information to a nonvolatile memory; a priority update unit 12 for updating the priority information within the second tag region on the basis of the access information; a first hit determination unit 13 corresponding to the first tag region; a second hit determination unit 14 corresponding to the second tag region; a determination unit 16 for determining storage control information on whether reading object data should be stored in the first data region or not on the basis of a determination result by the second hit determination unit; and an access control unit 17 for performing control to store the reading object data read out from the second data region with lower access priority than the first data region in the first data region.SELECTED DRAWING: Figure 2
Inventors:
TAKEDA SUSUMU
Application Number:
JP2015183177A
Publication Date:
March 23, 2017
Filing Date:
September 16, 2015
Export Citation:
Assignee:
TOSHIBA CORP
International Classes:
G06F12/12; G06F12/08
Domestic Patent References:
| JP2004355365A | 2004-12-16 |
Attorney, Agent or Firm:
Takeshi Sekine
Hirohito Katsunuma
Suzuki Junsei
Yasushi Kawasaki
Hirohito Katsunuma
Suzuki Junsei
Yasushi Kawasaki