Nothing Special   »   [go: up one dir, main page]

Lefurgy et al., 2013 - Google Patents

Active guardband management in power7+ to save energy and maintain reliability

Lefurgy et al., 2013

View PDF
Document ID
4968504982117898025
Author
Lefurgy C
Drake A
Floyd M
Allen-Ware M
Brock B
Tierno J
Carter J
Berry R
Publication year
Publication venue
IEEE Micro

External Links

Snippet

Microprocessor voltage levels traditionally include substantial margin to ensure reliable operation despite variations in manufacturing, workload, and environmental parameters. This margin allows the microprocessor to function correctly during worst-case conditions, but …
Continue reading at www.academia.edu (PDF) (other versions)

Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING; COUNTING
    • G06F—ELECTRICAL DIGITAL DATA PROCESSING
    • G06F1/00—Details of data-processing equipment not covered by groups G06F3/00 - G06F13/00, e.g. cooling, packaging or power supply specially adapted for computer application
    • 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 power-saving mode
    • G06F1/3234—Action, measure or step performed to reduce power consumption
    • G06F1/3296—Power saving by lowering supply or operating voltage
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING; COUNTING
    • G06F—ELECTRICAL DIGITAL DATA PROCESSING
    • G06F1/00—Details of data-processing equipment not covered by groups G06F3/00 - G06F13/00, e.g. cooling, packaging or power supply specially adapted for computer application
    • 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 power-saving mode
    • G06F1/3234—Action, measure or step performed to reduce power consumption
    • G06F1/324—Power saving by lowering clock frequency
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING; COUNTING
    • G06F—ELECTRICAL DIGITAL DATA PROCESSING
    • G06F1/00—Details of data-processing equipment not covered by groups G06F3/00 - G06F13/00, e.g. cooling, packaging or power supply specially adapted for computer application
    • 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 power-saving mode
    • G06F1/3234—Action, measure or step performed to reduce power consumption
    • G06F1/3237—Power saving by disabling clock generation or distribution
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING; COUNTING
    • G06F—ELECTRICAL DIGITAL DATA PROCESSING
    • G06F1/00—Details of data-processing equipment not covered by groups G06F3/00 - G06F13/00, e.g. cooling, packaging or power supply specially adapted for computer application
    • 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 power-saving mode
    • G06F1/3234—Action, measure or step performed to reduce power consumption
    • G06F1/3287—Power saving by switching off individual functional units in a computer system, i.e. selective power distribution
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING; COUNTING
    • G06F—ELECTRICAL DIGITAL DATA PROCESSING
    • G06F1/00—Details of data-processing equipment not covered by groups G06F3/00 - G06F13/00, e.g. cooling, packaging or power supply specially adapted for computer application
    • G06F1/16—Constructional details or arrangements
    • G06F1/20—Cooling means
    • G06F1/206—Cooling means comprising thermal management
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING; COUNTING
    • G06F—ELECTRICAL DIGITAL DATA PROCESSING
    • G06F17/00—Digital computing or data processing equipment or methods, specially adapted for specific functions
    • G06F17/50—Computer-aided design
    • 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
    • Y02B—INDEXING SCHEME RELATING TO CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. INCLUDING HOUSING AND APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B60/00—Information and communication technologies [ICT] aiming at the reduction of own energy use
    • Y02B60/10—Energy efficient computing
    • Y02B60/12—Reducing energy-consumption at the single machine level, e.g. processors, personal computers, peripherals, power supply
    • Y02B60/1278—Power management
    • Y02B60/1285—Controlling the supply voltage
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING; COUNTING
    • G06F—ELECTRICAL DIGITAL DATA PROCESSING
    • G06F11/00—Error detection; Error correction; Monitoring
    • G06F11/30—Monitoring
    • 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
    • Y02B—INDEXING SCHEME RELATING TO CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. INCLUDING HOUSING AND APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B60/00—Information and communication technologies [ICT] aiming at the reduction of own energy use
    • Y02B60/10—Energy efficient computing
    • Y02B60/12—Reducing energy-consumption at the single machine level, e.g. processors, personal computers, peripherals, power supply
    • Y02B60/1207—Reducing energy-consumption at the single machine level, e.g. processors, personal computers, peripherals, power supply acting upon the main processing unit
    • Y02B60/1217—Frequency modification
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING; COUNTING
    • G06F—ELECTRICAL DIGITAL DATA PROCESSING
    • G06F2217/00—Indexing scheme relating to computer aided design [CAD]
    • G06F2217/78—Power analysis and optimization

Similar Documents

Publication Publication Date Title
Lefurgy et al. Active guardband management in power7+ to save energy and maintain reliability
Lefurgy et al. Active management of timing guardband to save energy in POWER7
Gnad et al. Hayat: Harnessing dark silicon and variability for aging deceleration and balancing
Sheikh et al. An overview and classification of thermal-aware scheduling techniques for multi-core processing systems
Kumar et al. HybDTM: a coordinated hardware-software approach for dynamic thermal management
Kumar et al. System-level dynamic thermal management for high-performance microprocessors
Basoglu et al. NBTI-aware DVFS: A new approach to saving energy and increasing processor lifetime
US10216557B2 (en) Method and apparatus for monitoring and enhancing on-chip microprocessor reliability
Karpuzcu et al. The BubbleWrap many-core: Popping cores for sequential acceleration
CN101578565A (en) Method and apparatus for power throttling a processor in an information handling system
Gupta et al. Employing circadian rhythms to enhance power and reliability
Henkel et al. Towards performance and reliability-efficient computing in the dark silicon era
Rai et al. Power agnostic technique for efficient temperature estimation of multicore embedded systems
Noltsis et al. A closed-loop controller to ensure performance and temperature constraints for dynamic applications
Kumar et al. Machine learning based workload balancing scheme for minimizing stress migration induced aging in multicore processors
Jang et al. Leveraging process variation for performance and energy: In the perspective of overclocking
Jia et al. An adaptive clock scheme exploiting instruction-based dynamic timing slack for a GPGPU architecture
Agarwal et al. Redcooper: Hardware sensor enabled variability software testbed for lifetime energy constrained application
Kalyanam et al. A Proactive System for Voltage-Droop Mitigation in a 7-nm Hexagon™ Processor
Khan et al. Offline Earliest Deadline first Scheduling based Technique for Optimization of Energy using STORM in Homogeneous Multi-core Systems
Khdr et al. Dynamic guardband selection: Thermal-aware optimization for unreliable multi-core systems
Vanderpool et al. Deterministic frequency and voltage enhancements on the POWER10 processor
Yahya et al. DarkGates: A Hybrid Power-Gating Architecture to Mitigate the Performance Impact of Dark-Silicon in High Performance Processors
Sulaiman Microprocessors thermal challenges for portable and embedded systems using thermal throttling technique
Subramanian et al. Managing the impact of on-chip temperature on the lifetime reliability of reliably overclocked systems