NDLI: Runtime power monitoring in high-end processors: Methodology and empirical data (2003)

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Runtime power monitoring in high-end processors: Methodology and empirical data (2003)

Content Provider	CiteSeerX
Author	Isci, Canturk Martonosi, Margaret
Abstract	With power dissipation becoming an increasingly vexing problem across many classes of computer systems, measuring power dissipation of real, running systems has become crucial for hardware and software system research and design. Live power measurements are imperative for studies requiring execution times too long for simulation, such as thermal analysis. Furthermore, as processors become more complex and include a host of aggressive dynamic power management techniques, per-component estimates of power dissipation have become both more challenging as well as more important. In this paper we describe our technique for a coordinated measurement approach that combines real total power measurement with performance-counter-based, perunit power estimation. The resulting tool offers live total power measurements for Intel Pentium 4 processors, and also provides power breakdowns for 22 of the major CPU subunits over minutes of SPEC2000 and desktop workload execution. As an example application, we use the generated component power breakdowns to identify program power phase behavior. Overall, this paper demonstrates a processor power measurement and estimation methodology and also gives experiences and empirical application results that can provide a basis for future power-aware research. 1.
File Format	PDF
Language	English
Publisher Date	2003-01-01
Access Restriction	Open
Subject Keyword	High-end Processor Runtime Power Monitoring Empirical Data Power Dissipation Empirical Application Result Processor Power Measurement Software System Research Total Power Measurement Many Class Major Cpu Future Power-aware Research Intel Pentium Perunit Power Estimation Workload Execution Coordinated Measurement Approach Combine Real Total Power Measurement Computer System Per-component Estimate Example Application Program Power Phase Behavior Power Breakdown Generated Component Power Breakdown Live Power Measurement Estimation Methodology Aggressive Dynamic Power Management Technique Execution Time Tool Offer Thermal Analysis
Content Type	Text
Resource Type	Technical Report

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