JP2013537680A - 連想メモリの電力使用量を低減するシステムおよび方法 - Google Patents

連想メモリの電力使用量を低減するシステムおよび方法 Download PDF

Info

Publication number
JP2013537680A
JP2013537680A JP2013525013A JP2013525013A JP2013537680A JP 2013537680 A JP2013537680 A JP 2013537680A JP 2013525013 A JP2013525013 A JP 2013525013A JP 2013525013 A JP2013525013 A JP 2013525013A JP 2013537680 A JP2013537680 A JP 2013537680A
Authority
JP
Japan
Prior art keywords
memory
content addressable
valid data
power
associative memory
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.)
Withdrawn
Application number
JP2013525013A
Other languages
English (en)
Japanese (ja)
Inventor
ジアン・シェン
ダン・ディー・ホアン
ポール・ディー・バセット
Original Assignee
クアルコム，インコーポレイテッド
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 クアルコム，インコーポレイテッド filed Critical クアルコム，インコーポレイテッド
Publication of JP2013537680A publication Critical patent/JP2013537680A/ja
Withdrawn legal-status Critical Current

Links

Images

Classifications

    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11C—STATIC STORES
    • G11C15/00—Digital stores in which information comprising one or more characteristic parts is written into the store and in which information is read-out by searching for one or more of these characteristic parts, i.e. associative or content-addressed stores
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11C—STATIC STORES
    • G11C15/00—Digital stores in which information comprising one or more characteristic parts is written into the store and in which information is read-out by searching for one or more of these characteristic parts, i.e. associative or content-addressed stores
    • G11C15/04—Digital stores in which information comprising one or more characteristic parts is written into the store and in which information is read-out by searching for one or more of these characteristic parts, i.e. associative or content-addressed stores using semiconductor elements
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11C—STATIC STORES
    • G11C5/00—Details of stores covered by group G11C11/00
    • G11C5/14—Power supply arrangements, e.g. power down, chip selection or deselection, layout of wirings or power grids, or multiple supply levels

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Power Sources (AREA)
  • Memory System Of A Hierarchy Structure (AREA)
  • Information Retrieval, Db Structures And Fs Structures Therefor (AREA)
JP2013525013A 2010-08-24 2011-08-24 連想メモリの電力使用量を低減するシステムおよび方法 Withdrawn JP2013537680A (ja)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US12/862,277 2010-08-24
US12/862,277 US8984217B2 (en) 2010-08-24 2010-08-24 System and method of reducing power usage of a content addressable memory
PCT/US2011/048892 WO2012027429A1 (en) 2010-08-24 2011-08-24 System and method of reducing power usage of a content addressable memory

Related Child Applications (1)

Application Number Title Priority Date Filing Date
JP2015185314A Division JP6081546B2 (ja) 2010-08-24 2015-09-18 連想メモリの電力使用量を低減するシステムおよび方法

Publications (1)

Publication Number Publication Date
JP2013537680A true JP2013537680A (ja) 2013-10-03

Family

ID=44515072

Family Applications (2)

Application Number Title Priority Date Filing Date
JP2013525013A Withdrawn JP2013537680A (ja) 2010-08-24 2011-08-24 連想メモリの電力使用量を低減するシステムおよび方法
JP2015185314A Active JP6081546B2 (ja) 2010-08-24 2015-09-18 連想メモリの電力使用量を低減するシステムおよび方法

Family Applications After (1)

Application Number Title Priority Date Filing Date
JP2015185314A Active JP6081546B2 (ja) 2010-08-24 2015-09-18 連想メモリの電力使用量を低減するシステムおよび方法

Country Status (8)

Country Link
US (1) US8984217B2 (cg-RX-API-DMAC7.html)
EP (1) EP2609595B1 (cg-RX-API-DMAC7.html)
JP (2) JP2013537680A (cg-RX-API-DMAC7.html)
KR (1) KR101654118B1 (cg-RX-API-DMAC7.html)
CN (1) CN103069497B (cg-RX-API-DMAC7.html)
ES (1) ES2583328T3 (cg-RX-API-DMAC7.html)
HU (1) HUE028001T2 (cg-RX-API-DMAC7.html)
WO (1) WO2012027429A1 (cg-RX-API-DMAC7.html)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10297291B2 (en) 2016-07-20 2019-05-21 Renesas Electronics Corporation Semiconductor device

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9214231B2 (en) * 2013-01-31 2015-12-15 Hewlett-Packard Development Company, L.P. Crossbar memory to provide content addressable functionality
US20150279463A1 (en) * 2014-03-31 2015-10-01 Dell Products, L.P. Adjustable non-volatile memory regions of dram-based memory module
JP2017097940A (ja) * 2015-11-26 2017-06-01 ルネサスエレクトロニクス株式会社 半導体装置
JP2019008845A (ja) * 2017-06-22 2019-01-17 ルネサスエレクトロニクス株式会社 半導体装置
US11347514B2 (en) * 2019-02-15 2022-05-31 Apple Inc. Content-addressable memory filtering based on microarchitectural state
US10922020B2 (en) * 2019-04-12 2021-02-16 Micron Technology, Inc. Writing and querying operations in content addressable memory systems with content addressable memory buffers
US11017857B2 (en) * 2019-07-15 2021-05-25 Micron Technology, Inc. Ranged content-addressable memory

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2000149573A (ja) * 1998-11-04 2000-05-30 Internatl Business Mach Corp <Ibm> 連想メモリ及び連想メモリのデータ検索方法
JP2000228090A (ja) * 1999-02-05 2000-08-15 Internatl Business Mach Corp <Ibm> 連想メモリ（ｃａｍ）のワードマッチラインのプリチャージ回路および方法
JP2001167585A (ja) * 1999-12-09 2001-06-22 Toshiba Corp 連想記憶装置
JP2003045189A (ja) * 2001-07-31 2003-02-14 Fujitsu Ltd 半導体メモリ
JP2004164395A (ja) * 2002-11-14 2004-06-10 Renesas Technology Corp アドレス変換装置
WO2004104841A1 (ja) * 2003-05-21 2004-12-02 Fujitsu Limited アドレス変換バッファの電力制御方法及びその装置
JP2009545839A (ja) * 2006-08-04 2009-12-24 クゥアルコム・インコーポレイテッド 連想メモリ内の電力消費を減少させるための方法と装置
WO2011027501A1 (ja) * 2009-09-02 2011-03-10 パナソニック株式会社 半導体記憶装置

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4246812B2 (ja) * 1997-06-12 2009-04-02 パナソニック株式会社 半導体回路及びその制御方法
US6341327B1 (en) 1998-08-13 2002-01-22 Intel Corporation Content addressable memory addressable by redundant form input
JP2001023380A (ja) * 1999-07-12 2001-01-26 Kawasaki Steel Corp 連想メモリ
JP2002124088A (ja) * 2000-10-13 2002-04-26 Kawasaki Microelectronics Kk 連想メモリ装置およびそのメモリデータ移動方法
US7401180B1 (en) * 2001-12-27 2008-07-15 Netlogic Microsystems, Inc. Content addressable memory (CAM) device having selectable access and method therefor
US7100013B1 (en) * 2002-08-30 2006-08-29 Nvidia Corporation Method and apparatus for partial memory power shutoff
US20040128574A1 (en) * 2002-12-31 2004-07-01 Franco Ricci Reducing integrated circuit power consumption
JP2005011434A (ja) * 2003-06-19 2005-01-13 Mitsubishi Electric Corp ダイナミックメモリ制御装置及びこれを用いた携帯端末
JP2006040089A (ja) * 2004-07-29 2006-02-09 Fujitsu Ltd セカンドキャッシュ駆動制御回路、セカンドキャッシュ、ｒａｍ、及びセカンドキャッシュ駆動制御方法
US20080005516A1 (en) * 2006-06-30 2008-01-03 Meinschein Robert J Memory power management through high-speed intra-memory data transfer and dynamic memory address remapping
KR100911189B1 (ko) * 2007-06-11 2009-08-06 주식회사 하이닉스반도체 반도체 메모리 장치의 클럭 제어 회로
JP2010108381A (ja) * 2008-10-31 2010-05-13 Fujitsu Ltd 集積回路、集積回路の制御方法および半導体デバイス

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2000149573A (ja) * 1998-11-04 2000-05-30 Internatl Business Mach Corp <Ibm> 連想メモリ及び連想メモリのデータ検索方法
JP2000228090A (ja) * 1999-02-05 2000-08-15 Internatl Business Mach Corp <Ibm> 連想メモリ（ｃａｍ）のワードマッチラインのプリチャージ回路および方法
JP2001167585A (ja) * 1999-12-09 2001-06-22 Toshiba Corp 連想記憶装置
JP2003045189A (ja) * 2001-07-31 2003-02-14 Fujitsu Ltd 半導体メモリ
JP2004164395A (ja) * 2002-11-14 2004-06-10 Renesas Technology Corp アドレス変換装置
WO2004104841A1 (ja) * 2003-05-21 2004-12-02 Fujitsu Limited アドレス変換バッファの電力制御方法及びその装置
JP2009545839A (ja) * 2006-08-04 2009-12-24 クゥアルコム・インコーポレイテッド 連想メモリ内の電力消費を減少させるための方法と装置
WO2011027501A1 (ja) * 2009-09-02 2011-03-10 パナソニック株式会社 半導体記憶装置

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10297291B2 (en) 2016-07-20 2019-05-21 Renesas Electronics Corporation Semiconductor device

Also Published As

Publication number Publication date
ES2583328T3 (es) 2016-09-20
EP2609595B1 (en) 2016-04-27
CN103069497B (zh) 2015-10-21
KR20130048787A (ko) 2013-05-10
WO2012027429A1 (en) 2012-03-01
CN103069497A (zh) 2013-04-24
US20120054426A1 (en) 2012-03-01
JP2016001515A (ja) 2016-01-07
US8984217B2 (en) 2015-03-17
HUE028001T2 (en) 2016-11-28
JP6081546B2 (ja) 2017-02-15
KR101654118B1 (ko) 2016-09-05
EP2609595A1 (en) 2013-07-03

Similar Documents

Publication Publication Date Title
JP6081546B2 (ja) 連想メモリの電力使用量を低減するシステムおよび方法
US8601234B2 (en) Configurable translation lookaside buffer
KR101975288B1 (ko) 멀티 클러스터 프로세싱 시스템 및 그 구동 방법
US8448002B2 (en) Clock-gated series-coupled data processing modules
US20120054468A1 (en) Processor, apparatus, and method for memory management
Imani et al. MASC: Ultra-low energy multiple-access single-charge TCAM for approximate computing
JP3806131B2 (ja) アドレス変換バッファの電力制御方法及びその装置
EP2260388B1 (en) Systems and methods for cache line replacement
CN111143242A (zh) 一种缓存预取方法和装置
US9454214B2 (en) Memory state management for electronic device
JP2010539598A (ja) ｎ−ウェイキャッシュを用いるシステムおよび方法
US9529727B2 (en) Reconfigurable fetch pipeline
US20040199723A1 (en) Low-power cache and method for operating same
US20070124538A1 (en) Power-efficient cache memory system and method therefor
JP6212133B2 (ja) マルチビットウェイ予測マスクを有する命令キャッシュ
US20240289466A1 (en) Memory integrity verification by an energy processing unit
JP3895760B2 (ja) アドレス変換バッファの電力制御方法及びその装置
JP2009505236A (ja) エネルギーの効率的なレジスターファイルを提供する方法及びシステム
CN102789428B (zh) 一种指令高速缓冲存储器装置及其控制方法
JP2013097637A (ja) キャッシュ装置、メモリシステム及びデータ転送方法
KR20100050713A (ko) 다이내믹 직렬-병렬 캠

Legal Events

Date Code Title Description
A131 Notification of reasons for refusal

Free format text: JAPANESE INTERMEDIATE CODE: A131

Effective date: 20140217

A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20140515

A131 Notification of reasons for refusal

Free format text: JAPANESE INTERMEDIATE CODE: A131

Effective date: 20141014

A601 Written request for extension of time

Free format text: JAPANESE INTERMEDIATE CODE: A601

Effective date: 20150114

A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20150414

A02 Decision of refusal

Free format text: JAPANESE INTERMEDIATE CODE: A02

Effective date: 20150518

A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20150918

A911 Transfer to examiner for re-examination before appeal (zenchi)

Free format text: JAPANESE INTERMEDIATE CODE: A911

Effective date: 20151001

A912 Re-examination (zenchi) completed and case transferred to appeal board

Free format text: JAPANESE INTERMEDIATE CODE: A912

Effective date: 20151113

A761 Written withdrawal of application

Free format text: JAPANESE INTERMEDIATE CODE: A761

Effective date: 20161125