JP4364878B2 - 演算処理装置 - Google Patents

演算処理装置 Download PDF

Info

Publication number
JP4364878B2
JP4364878B2 JP2006085007A JP2006085007A JP4364878B2 JP 4364878 B2 JP4364878 B2 JP 4364878B2 JP 2006085007 A JP2006085007 A JP 2006085007A JP 2006085007 A JP2006085007 A JP 2006085007A JP 4364878 B2 JP4364878 B2 JP 4364878B2
Authority
JP
Japan
Prior art keywords
memory
tag
cache
data
hit rate
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
JP2006085007A
Other languages
English (en)
Japanese (ja)
Other versions
JP2006309734A5 (enExample
JP2006309734A (ja
Inventor
義元 黒川
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Semiconductor Energy Laboratory Co Ltd
Original Assignee
Semiconductor Energy Laboratory Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Semiconductor Energy Laboratory Co Ltd filed Critical Semiconductor Energy Laboratory Co Ltd
Priority to JP2006085007A priority Critical patent/JP4364878B2/ja
Publication of JP2006309734A publication Critical patent/JP2006309734A/ja
Publication of JP2006309734A5 publication Critical patent/JP2006309734A5/ja
Application granted granted Critical
Publication of JP4364878B2 publication Critical patent/JP4364878B2/ja
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
    • Y02D10/00—Energy efficient computing, e.g. low power processors, power management or thermal management

Landscapes

  • Memory System Of A Hierarchy Structure (AREA)
JP2006085007A 2005-03-31 2006-03-27 演算処理装置 Expired - Fee Related JP4364878B2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2006085007A JP4364878B2 (ja) 2005-03-31 2006-03-27 演算処理装置

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2005102105 2005-03-31
JP2006085007A JP4364878B2 (ja) 2005-03-31 2006-03-27 演算処理装置

Publications (3)

Publication Number Publication Date
JP2006309734A JP2006309734A (ja) 2006-11-09
JP2006309734A5 JP2006309734A5 (enExample) 2009-02-12
JP4364878B2 true JP4364878B2 (ja) 2009-11-18

Family

ID=37476495

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2006085007A Expired - Fee Related JP4364878B2 (ja) 2005-03-31 2006-03-27 演算処理装置

Country Status (1)

Country Link
JP (1) JP4364878B2 (enExample)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4519151B2 (ja) * 2007-03-20 2010-08-04 富士通株式会社 キャッシュ制御回路
JP5167952B2 (ja) * 2008-05-26 2013-03-21 富士通株式会社 キャッシュメモリシステム
WO2010137164A1 (ja) * 2009-05-29 2010-12-02 富士通株式会社 キャッシュ制御装置およびキャッシュ制御方法
WO2011112523A2 (en) 2010-03-08 2011-09-15 Hewlett-Packard Development Company, L.P. Data storage apparatus and methods
JP5484281B2 (ja) * 2010-09-21 2014-05-07 三菱電機株式会社 情報処理システム
US9703704B2 (en) * 2012-05-01 2017-07-11 Semiconductor Energy Laboratory Co., Ltd. Semiconductor device

Also Published As

Publication number Publication date
JP2006309734A (ja) 2006-11-09

Similar Documents

Publication Publication Date Title
US11200176B2 (en) Dynamic partial power down of memory-side cache in a 2-level memory hierarchy
US9269438B2 (en) System and method for intelligently flushing data from a processor into a memory subsystem
US9201608B2 (en) Memory controller mapping on-the-fly
JP4969805B2 (ja) 適応記憶システム
US9317429B2 (en) Apparatus and method for implementing a multi-level memory hierarchy over common memory channels
US20180341588A1 (en) Apparatus and method for implementing a multi-level memory hierarchy having different operating modes
US10204039B2 (en) Host controlled hybrid storage device
US20140006696A1 (en) Apparatus and method for phase change memory drift management
CN104115132A (zh) 借助于存储器通道关闭的功率节约
US20150039836A1 (en) Methods and apparatus related to data processors and caches incorporated in data processors
US7818502B2 (en) Selectively powering down tag or data memories in a cache based on overall cache hit rate and per set tag hit rate
US9990293B2 (en) Energy-efficient dynamic dram cache sizing via selective refresh of a cache in a dram
US11755480B2 (en) Data pattern based cache management
US20170068304A1 (en) Low-power memory-access method and associated apparatus
JP2001117817A (ja) キャッシュメモリの制御方法、コンピュータシステム、ハードディスクドライブ装置およびハードディスク制御装置
JP4364878B2 (ja) 演算処理装置
KR20130024212A (ko) 메모리 시스템 및 그 관리 방법
JP3935873B2 (ja) プリフェッチ・バッファを用いたメモリ電力管理
US10152410B2 (en) Magnetoresistive random-access memory cache write management
WO2005069148A2 (en) Memory management method and related system
JP3988485B2 (ja) キャッシュ回路、情報処理装置及び電子機器
US7649764B2 (en) Memory with shared write bit line(s)
KR20140016405A (ko) 메모리 시스템 및 그 관리 방법
TW202328896A (zh) 多媒體壓縮訊框感知快取記憶體替換策略

Legal Events

Date Code Title Description
A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20081218

A621 Written request for application examination

Free format text: JAPANESE INTERMEDIATE CODE: A621

Effective date: 20081218

A131 Notification of reasons for refusal

Free format text: JAPANESE INTERMEDIATE CODE: A131

Effective date: 20090414

A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20090605

TRDD Decision of grant or rejection written
A01 Written decision to grant a patent or to grant a registration (utility model)

Free format text: JAPANESE INTERMEDIATE CODE: A01

Effective date: 20090818

A01 Written decision to grant a patent or to grant a registration (utility model)

Free format text: JAPANESE INTERMEDIATE CODE: A01

A61 First payment of annual fees (during grant procedure)

Free format text: JAPANESE INTERMEDIATE CODE: A61

Effective date: 20090819

FPAY Renewal fee payment (event date is renewal date of database)

Free format text: PAYMENT UNTIL: 20120828

Year of fee payment: 3

R150 Certificate of patent or registration of utility model

Ref document number: 4364878

Country of ref document: JP

Free format text: JAPANESE INTERMEDIATE CODE: R150

Free format text: JAPANESE INTERMEDIATE CODE: R150

FPAY Renewal fee payment (event date is renewal date of database)

Free format text: PAYMENT UNTIL: 20120828

Year of fee payment: 3

FPAY Renewal fee payment (event date is renewal date of database)

Free format text: PAYMENT UNTIL: 20120828

Year of fee payment: 3

FPAY Renewal fee payment (event date is renewal date of database)

Free format text: PAYMENT UNTIL: 20130828

Year of fee payment: 4

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

LAPS Cancellation because of no payment of annual fees