DE60127520D1 - Prozessor mit Befehlscache mit niedrigem Stromverbrauch - Google Patents

Prozessor mit Befehlscache mit niedrigem Stromverbrauch

Info

Publication number
DE60127520D1
DE60127520D1 DE60127520T DE60127520T DE60127520D1 DE 60127520 D1 DE60127520 D1 DE 60127520D1 DE 60127520 T DE60127520 T DE 60127520T DE 60127520 T DE60127520 T DE 60127520T DE 60127520 D1 DE60127520 D1 DE 60127520D1
Authority
DE
Germany
Prior art keywords
processor
low power
power command
command cache
cache
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
DE60127520T
Other languages
English (en)
Other versions
DE60127520T2 (de
Inventor
Yasuhiro Yamazaki
Taizoh Satoh
Hiroyuki Utsumi
Hitoshi Yoda
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.)
Fujitsu Ltd
Original Assignee
Fujitsu 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 Fujitsu Ltd filed Critical Fujitsu Ltd
Publication of DE60127520D1 publication Critical patent/DE60127520D1/de
Application granted granted Critical
Publication of DE60127520T2 publication Critical patent/DE60127520T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F12/00—Accessing, addressing or allocating within memory systems or architectures
    • G06F12/02—Addressing or allocation; Relocation
    • G06F12/08—Addressing or allocation; Relocation in hierarchically structured memory systems, e.g. virtual memory systems
    • G06F12/0802—Addressing of a memory level in which the access to the desired data or data block requires associative addressing means, e.g. caches
    • G06F12/0877—Cache access modes
    • G06F12/0882—Page mode
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F9/00—Arrangements for program control, e.g. control units
    • G06F9/06—Arrangements for program control, e.g. control units using stored programs, i.e. using an internal store of processing equipment to receive or retain programs
    • G06F9/30—Arrangements for executing machine instructions, e.g. instruction decode
    • G06F9/32—Address formation of the next instruction, e.g. by incrementing the instruction counter
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F12/00—Accessing, addressing or allocating within memory systems or architectures
    • G06F12/02—Addressing or allocation; Relocation
    • G06F12/08—Addressing or allocation; Relocation in hierarchically structured memory systems, e.g. virtual memory systems
    • G06F12/0802—Addressing of a memory level in which the access to the desired data or data block requires associative addressing means, e.g. caches
    • G06F12/0864—Addressing of a memory level in which the access to the desired data or data block requires associative addressing means, e.g. caches using pseudo-associative means, e.g. set-associative or hashing
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F2212/00—Indexing scheme relating to accessing, addressing or allocation within memory systems or architectures
    • G06F2212/10—Providing a specific technical effect
    • G06F2212/1028—Power efficiency
    • 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

  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Software Systems (AREA)
  • Memory System Of A Hierarchy Structure (AREA)
DE60127520T 2000-12-22 2001-12-21 Prozessor mit Befehlscache mit niedrigem Stromverbrauch Expired - Fee Related DE60127520T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2000391369A JP2002196981A (ja) 2000-12-22 2000-12-22 データ処理装置
JP2000391369 2000-12-22

Publications (2)

Publication Number Publication Date
DE60127520D1 true DE60127520D1 (de) 2007-05-10
DE60127520T2 DE60127520T2 (de) 2007-09-06

Family

ID=18857521

Family Applications (1)

Application Number Title Priority Date Filing Date
DE60127520T Expired - Fee Related DE60127520T2 (de) 2000-12-22 2001-12-21 Prozessor mit Befehlscache mit niedrigem Stromverbrauch

Country Status (7)

Country Link
US (1) US6760810B2 (de)
EP (1) EP1217502B1 (de)
JP (1) JP2002196981A (de)
KR (1) KR100758185B1 (de)
CN (1) CN1155893C (de)
DE (1) DE60127520T2 (de)
TW (1) TW581966B (de)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7330954B2 (en) * 2002-04-18 2008-02-12 Intel Corporation Storing information in one of at least two storage devices based on a storage parameter and an attribute of the storage devices
JP2004171177A (ja) * 2002-11-19 2004-06-17 Renesas Technology Corp キャッシュシステムおよびキャッシュメモリ制御装置
US7263621B2 (en) * 2004-11-15 2007-08-28 Via Technologies, Inc. System for reducing power consumption in a microprocessor having multiple instruction decoders that are coupled to selectors receiving their own output as feedback
TW200821831A (en) * 2005-12-21 2008-05-16 Nxp Bv Schedule based cache/memory power minimization technique
JP4980751B2 (ja) 2007-03-02 2012-07-18 富士通セミコンダクター株式会社 データ処理装置、およびメモリのリードアクティブ制御方法。
JP4354001B1 (ja) 2008-07-03 2009-10-28 Ｎｅｃエレクトロニクス株式会社 メモリ制御回路および集積回路
US8200999B2 (en) 2008-08-11 2012-06-12 International Business Machines Corporation Selective power reduction of memory hardware
JP5793061B2 (ja) * 2011-11-02 2015-10-14 ルネサスエレクトロニクス株式会社 キャッシュメモリ装置、キャッシュ制御方法、およびマイクロプロセッサシステム
US8503264B1 (en) 2011-11-18 2013-08-06 Xilinx, Inc. Reducing power consumption in a segmented memory
US9396117B2 (en) * 2012-01-09 2016-07-19 Nvidia Corporation Instruction cache power reduction
US9552032B2 (en) 2012-04-27 2017-01-24 Nvidia Corporation Branch prediction power reduction
US9547358B2 (en) 2012-04-27 2017-01-17 Nvidia Corporation Branch prediction power reduction
US8743653B1 (en) 2012-06-20 2014-06-03 Xilinx, Inc. Reducing dynamic power consumption of a memory circuit
CN104050092B (zh) 2013-03-15 2018-05-01 上海芯豪微电子有限公司 一种数据缓存系统及方法
US10860495B2 (en) * 2016-11-29 2020-12-08 Arm Limited Storage circuitry responsive to a tag-matching command
CN113138657A (zh) * 2020-01-17 2021-07-20 炬芯科技股份有限公司 一种降低cache访问功耗的方法和电路

Family Cites Families (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01154261A (ja) * 1987-12-11 1989-06-16 Toshiba Corp 情報処理装置
JPH0786847B2 (ja) * 1988-08-09 1995-09-20 松下電器産業株式会社 キャッシュメモリ
JPH04328656A (ja) * 1991-04-30 1992-11-17 Toshiba Corp キャッシュメモリ
US5913223A (en) * 1993-01-25 1999-06-15 Sheppard; Douglas Parks Low power set associative cache memory
JP3589485B2 (ja) 1994-06-07 2004-11-17 株式会社ルネサステクノロジ セットアソシアティブ方式のメモリ装置およびプロセッサ
JPH08263370A (ja) * 1995-03-27 1996-10-11 Toshiba Microelectron Corp キャッシュメモリシステム
US5724611A (en) * 1996-04-25 1998-03-03 Vlsi Technology, Inc. Automatic cache controller system and method therefor
US5911153A (en) * 1996-10-03 1999-06-08 International Business Machines Corporation Memory design which facilitates incremental fetch and store requests off applied base address requests
US5983310A (en) * 1997-02-13 1999-11-09 Novell, Inc. Pin management of accelerator for interpretive environments
US5974505A (en) * 1997-09-02 1999-10-26 International Business Machines Corporation Method and system for reducing power consumption of a non-blocking cache within a data processing system
JPH11184752A (ja) 1997-12-19 1999-07-09 Hitachi Ltd データ処理装置及びデータ処理システム
US6138208A (en) * 1998-04-13 2000-10-24 International Business Machines Corporation Multiple level cache memory with overlapped L1 and L2 memory access
JP3439350B2 (ja) * 1998-10-02 2003-08-25 Ｎｅｃエレクトロニクス株式会社 キャッシュ・メモリ制御方法及びキャッシュ・メモリ制御装置
US6449694B1 (en) * 1999-07-27 2002-09-10 Intel Corporation Low power cache operation through the use of partial tag comparison
US6356990B1 (en) * 2000-02-02 2002-03-12 International Business Machines Corporation Set-associative cache memory having a built-in set prediction array
US6549986B1 (en) * 2000-06-20 2003-04-15 Conexant Systems, Inc. Low power instruction cache
US6535959B1 (en) * 2000-09-05 2003-03-18 Conexant Systems, Inc. Circuit and method for reducing power consumption in an instruction cache

Also Published As

Publication number Publication date
KR100758185B1 (ko) 2007-09-13
JP2002196981A (ja) 2002-07-12
CN1367428A (zh) 2002-09-04
EP1217502A1 (de) 2002-06-26
US20020080662A1 (en) 2002-06-27
CN1155893C (zh) 2004-06-30
TW581966B (en) 2004-04-01
EP1217502B1 (de) 2007-03-28
DE60127520T2 (de) 2007-09-06
US6760810B2 (en) 2004-07-06
KR20020051874A (ko) 2002-06-29

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee