TW200915724A - Method and apparatus for detecting clock gating opportunities in a pipelined electronic circuit design - Google Patents

Method and apparatus for detecting clock gating opportunities in a pipelined electronic circuit design Download PDF

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Publication number
TW200915724A
TW200915724A TW097131470A TW97131470A TW200915724A TW 200915724 A TW200915724 A TW 200915724A TW 097131470 A TW097131470 A TW 097131470A TW 97131470 A TW97131470 A TW 97131470A TW 200915724 A TW200915724 A TW 200915724A
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TW
Taiwan
Prior art keywords
clock
pipeline
latch
logic
opportunity
Prior art date
Application number
TW097131470A
Other languages
English (en)
Chinese (zh)
Inventor
Matthew Earl Fernsler
Hans Mikael Jacobson
Johny Srouji
Todd Swanson
Original Assignee
Ibm
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 Ibm filed Critical Ibm
Publication of TW200915724A publication Critical patent/TW200915724A/zh

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Classifications

    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
    • G06F1/26—Power supply means, e.g. regulation thereof
    • G06F1/32—Means for saving power
    • G06F1/3203—Power management, i.e. event-based initiation of a power-saving mode
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
    • G06F1/26—Power supply means, e.g. regulation thereof
    • G06F1/32—Means for saving power
    • G06F1/3203—Power management, i.e. event-based initiation of a power-saving mode
    • G06F1/3234—Power saving characterised by the action undertaken
    • G06F1/3237—Power saving characterised by the action undertaken by disabling clock generation or distribution
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; 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
    • G06F9/38—Concurrent instruction execution, e.g. pipeline or look ahead
    • G06F9/3867—Concurrent instruction execution, e.g. pipeline or look ahead using instruction pipelines
    • 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)
  • Design And Manufacture Of Integrated Circuits (AREA)
  • Logic Circuits (AREA)
  • Testing Or Measuring Of Semiconductors Or The Like (AREA)
TW097131470A 2007-08-21 2008-08-18 Method and apparatus for detecting clock gating opportunities in a pipelined electronic circuit design TW200915724A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US11/842,491 US8073669B2 (en) 2007-08-21 2007-08-21 Method and apparatus for detecting clock gating opportunities in a pipelined electronic circuit design

Publications (1)

Publication Number Publication Date
TW200915724A true TW200915724A (en) 2009-04-01

Family

ID=40378739

Family Applications (1)

Application Number Title Priority Date Filing Date
TW097131470A TW200915724A (en) 2007-08-21 2008-08-18 Method and apparatus for detecting clock gating opportunities in a pipelined electronic circuit design

Country Status (9)

Country Link
US (1) US8073669B2 (enExample)
EP (1) EP2179342B1 (enExample)
JP (1) JP5147944B2 (enExample)
KR (1) KR20100037628A (enExample)
CN (1) CN101779179B (enExample)
AT (1) ATE507520T1 (enExample)
DE (1) DE602008006561D1 (enExample)
TW (1) TW200915724A (enExample)
WO (1) WO2009024540A2 (enExample)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2456363A (en) * 2008-01-08 2009-07-15 Ibm Methods and system for clock gating enhancement
US7844843B2 (en) * 2008-12-22 2010-11-30 International Business Machines Corporation Implementing power savings in HSS clock-gating circuit
US8302043B2 (en) * 2009-09-17 2012-10-30 International Business Machines Corporation Verification of logic circuit designs using dynamic clock gating
US9495490B2 (en) 2012-07-16 2016-11-15 International Business Machines Corporation Active power dissipation detection based on erroneus clock gating equations
US9916407B2 (en) 2013-12-05 2018-03-13 International Business Machines Corporation Phase algebra for analysis of hierarchical designs
US9268889B2 (en) 2013-12-05 2016-02-23 International Business Machines Corporation Verification of asynchronous clock domain crossings
US10318695B2 (en) 2013-12-05 2019-06-11 International Business Machines Corporation Phase algebra for virtual clock and mode extraction in hierarchical designs
US9639641B1 (en) * 2015-08-20 2017-05-02 Microsemi Storage Solutions (U.S.), Inc. Method and system for functional verification and power analysis of clock-gated integrated circuits
US9928323B2 (en) 2015-08-20 2018-03-27 Microsemi Solutions (U.S.), Inc. Method and system for functional verification and power analysis of clock-gated integrated circuits
KR20170025447A (ko) * 2015-08-28 2017-03-08 삼성전자주식회사 클락 파워를 줄일 수 있는 집적 회로를 설계하는 방법
JP6559257B2 (ja) 2016-01-08 2019-08-14 三菱電機株式会社 プロセッサ合成装置、プロセッサ合成方法及びプロセッサ合成プログラム
US10761559B2 (en) * 2016-12-13 2020-09-01 Qualcomm Incorporated Clock gating enable generation
US10585995B2 (en) * 2017-06-26 2020-03-10 International Business Machines Corporation Reducing clock power consumption of a computer processor
KR101952518B1 (ko) 2017-09-12 2019-02-26 두산중공업 주식회사 파이프 지지대 설계 시스템 및 그 방법
CN112100793B (zh) * 2019-05-31 2023-06-13 超威半导体(上海)有限公司 用于重定时流水线的基于条带的自选通
US12493729B2 (en) * 2021-09-28 2025-12-09 Texas Instruments Incorporated Stimuli-independent clock gating determination
US12067335B2 (en) * 2022-04-11 2024-08-20 Arteris, Inc. Automatic configuration of pipeline modules in an electronics system
US12216518B2 (en) 2023-02-23 2025-02-04 Marvell Asia Pte Ltd Power saving in a network device

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US6247134B1 (en) * 1999-03-31 2001-06-12 Synopsys, Inc. Method and system for pipe stage gating within an operating pipelined circuit for power savings
US6393579B1 (en) * 1999-12-21 2002-05-21 Intel Corporation Method and apparatus for saving power and improving performance in a collapsable pipeline using gated clocks
US6965991B1 (en) * 2000-05-12 2005-11-15 Pts Corporation Methods and apparatus for power control in a scalable array of processor elements
US20030070013A1 (en) * 2000-10-27 2003-04-10 Daniel Hansson Method and apparatus for reducing power consumption in a digital processor
US7035785B2 (en) * 2001-12-28 2006-04-25 Intel Corporation Mechanism for estimating and controlling di/dt-induced power supply voltage variations
US7100060B2 (en) * 2002-06-26 2006-08-29 Intel Corporation Techniques for utilization of asymmetric secondary processing resources
US7076681B2 (en) * 2002-07-02 2006-07-11 International Business Machines Corporation Processor with demand-driven clock throttling power reduction
US7065665B2 (en) * 2002-10-02 2006-06-20 International Business Machines Corporation Interlocked synchronous pipeline clock gating
US20040193846A1 (en) 2003-03-28 2004-09-30 Sprangle Eric A. Method and apparatus for utilizing multiple opportunity ports in a processor pipeline
US7076682B2 (en) * 2004-05-04 2006-07-11 International Business Machines Corp. Synchronous pipeline with normally transparent pipeline stages
US7752426B2 (en) * 2004-08-30 2010-07-06 Texas Instruments Incorporated Processes, circuits, devices, and systems for branch prediction and other processor improvements
US7653807B2 (en) * 2005-09-19 2010-01-26 Synopsys, Inc. Removing a pipeline bubble by blocking clock signal to downstream stage when downstream stage contains invalid data
US7401242B2 (en) * 2005-09-27 2008-07-15 International Business Machines Corporation Dynamic power management in a processor design
US7958483B1 (en) * 2006-12-21 2011-06-07 Nvidia Corporation Clock throttling based on activity-level signals
US7802118B1 (en) * 2006-12-21 2010-09-21 Nvidia Corporation Functional block level clock-gating within a graphics processor
US7797561B1 (en) * 2006-12-21 2010-09-14 Nvidia Corporation Automatic functional block level clock-gating
JP4388965B2 (ja) * 2007-02-13 2009-12-24 富士通株式会社 クロックゲーティング解析プログラム、該プログラムを記録した記録媒体、クロックゲーティング解析装置、およびクロックゲーティング解析方法
US20080307240A1 (en) * 2007-06-08 2008-12-11 Texas Instruments Incorporated Power management electronic circuits, systems, and methods and processes of manufacture

Also Published As

Publication number Publication date
CN101779179A (zh) 2010-07-14
EP2179342B1 (en) 2011-04-27
DE602008006561D1 (de) 2011-06-09
KR20100037628A (ko) 2010-04-09
US8073669B2 (en) 2011-12-06
WO2009024540A3 (en) 2009-09-17
WO2009024540A2 (en) 2009-02-26
JP5147944B2 (ja) 2013-02-20
ATE507520T1 (de) 2011-05-15
CN101779179B (zh) 2012-07-11
EP2179342A2 (en) 2010-04-28
US20090055668A1 (en) 2009-02-26
JP2010537293A (ja) 2010-12-02

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