Filters








25,006 Hits in 4.7 sec

Power reduction techniques for microprocessor systems

Vasanth Venkatachalam, Michael Franz
2005 ACM Computing Surveys  
Power consumption is a major factor that limits the performance of computers. We survey the "state of the art" in techniques that reduce the total power consumed by a microprocessor system over time.  ...  These techniques are applied at various levels ranging from circuits to architectures, architectures to system software, and system software to applications.  ...  One misconception is that total microprocessor system power is quadratic in supply voltage.  ... 
doi:10.1145/1108956.1108957 fatcat:3v56rcg7yrejffkqp64hev4exi

High-level optimization for low power consumption on microprocessor-based systems

David A. Ortiz, Nayda G. Santiago
2007 The ... Midwest Symposium on Circuits and Systems conference proceedings  
of microprocessor-based systems.  ...  High-level language optimization techniques appear as an alternative to achieve low power consumption when programming embedded systems.  ...  High-Level Language Optimization Techniques Certain optimization techniques originally designed for improving performance were analyzed in terms of the power dissipation of the microprocessor-based system  ... 
doi:10.1109/mwscas.2007.4488783 fatcat:r3zw2jx7rvgddj4jmoac6ydx3y

Microprocessors thermal challenges for portable and embedded systems using thermal throttling technique

Diary R. Sulaiman
2011 Procedia Computer Science  
, which allow the possible elimination of passive/active cooling solutions, reduces system weight and time-to-market as there is no need for explicit microprocessors thermal management.  ...  The management of how a computer system will dispose of heat is an integral part of microprocessor design.  ...  The P channel and P gate are significantly increase for the high performance generations of process technology depends on the microprocessor architecture, and the efficiency of the power reduction techniques  ... 
doi:10.1016/j.procs.2010.12.168 fatcat:6fvolf55lbd67lujz6d5raiw54

Recent thermal management techniques for microprocessors

Joonho Kong, Sung Woo Chung, Kevin Skadron
2012 ACM Computing Surveys  
Floorplanning covers a range of thermal-aware floorplanning techniques for 2D and 3D microprocessors.  ...  We summarize recent thermal management techniques for microprocessors, focusing on those that affect or rely on the microarchitecture.  ...  We would like to thank Peter Brownlee Bakkum for his extensive feedback. Finally, we would also like to thank the anonymous referees for their helpful feedback.  ... 
doi:10.1145/2187671.2187675 fatcat:bsvvqax2rbftxivi555mzzc7uy

Cycle-accurate energy measurement and characterization with a case study of the ARM7TDMI [microprocessors]

Naehyuck Chang, Kwanho Kim, Hyung Gyu Lee
2002 IEEE Transactions on Very Large Scale Integration (vlsi) Systems  
We introduce a new technique for the energy characterization of a microprocessor, using a cycle-accurate energy measurement system based on charge transfer which is robust to spiky noise and is able to  ...  Energy characterization is the basis for high-level energy reduction.  ...  Recently [6] , a power simulator has been used to give a system-wide view, including a microprocessor and a memory system; however, for the most part, microprocessor-level simulators do not reflect real  ... 
doi:10.1109/92.994992 fatcat:vm5cp4befba6bpfezfw3a4b25y

Design optimizations for microprocessors at low temperature

Arman Vassighi, Ali Keshavarzi, Siva Narendra, Gerhard Schrom, Yibin Ye, Seri Lee, Greg Chrysler, Manoj Sachdev, Vivek De
2004 Proceedings of the 41st annual conference on Design automation - DAC '04  
We investigate trade-offs in microprocessor frequency and system power achievable for low temperature operation in scaled high leakage technologies by combining refrigeration with supply voltage selection  ...  When, the leakage power is more than 30% of chip power, combining refrigeration with enhancing technology by shorter channel length provides the best trade-off for power and frequency.  ...  We would like to lower microprocessor system temperature below 110°C depending on cooling efficiency of the technique we have selected.  ... 
doi:10.1145/996566.996570 dblp:conf/dac/VassighiKNSYLCSD04 fatcat:cgsmxsbi3zf77pyrbk6jfxzohi

A Microprocessor-Based System for Monitoring Gas Turbines

P. K.S. Shrivastava, R. P. Arora, Jasbir Singh
1989 Defence Science Journal  
The development and testing of hardware and software for a microprocessor-based monitoring system for gas turbines is described in this paper.  ...  The operators of gas turbines can be trained to monitor running hours, slip between high and low pressure compressor spools and torque on the reduction gear-box under various conditions of operation.  ...  Kang, IN, Director of Studies (Navy) for his keen interest, guidance and administrative help throughout the course of this work.  ... 
doi:10.14429/dsj.39.4757 fatcat:kekrgvbyozhqvbdsuf5l6jr564

Performance Enhancement Of 8 Bit Risc Architecture

Pratik Katwate, Sanjay Pardeshi, Vardhman Tiwatane
2018 Zenodo  
In this paper we have selected PIC16A84 processor as base platform for the enhancement of its features. Selected processor is based on the 8bit RISC platform.  ...  This will lead to reduction of power consumption. Total Power Consumption for Enhanced Core: 83.94 mW Max Clock frequency: 29.95 MHz V. CONCLUSION  ...  Several techniques have been proposed to tackle the individual power or performance. However, almost all trade off performance for power or vice versa.  ... 
doi:10.5281/zenodo.1413404 fatcat:wmqmjwhndjbqbj3foqgdofq2rm

Thermal crisis: challenges and potential solutions

Li Shang, R.P. Dick
2006 IEEE potentials  
Seda Ogrenci Memik for suggesting improvements to this article.  ...  Voltage scaling has allowed dramatic reduction of power consumption in CMOS, the dominant IC technology today, and for years to come.  ...  For example, the floating-point units and instruction issue units in microprocessors typically have higher power densities than caches.  ... 
doi:10.1109/mp.2006.1692283 fatcat:lp7m4lkhuvbxrh4m3evjoawuci

Low Power-Delay Design of 4-Bit ALU Using GDI Technique and Its Comparison

2017 International Journal of Science and Research (IJSR)  
This paper propose the new technology called Gate Diffusion Input [GDI] method for low power-high speed implementation of 4-bit ALU.  ...  The ALU is the most important block (brain) of central processing unit and is essential in the applications such as DSP, microprocessors and embedded systems.  ...  The most important block of any intelligent system is microprocessor, where microprocessor works as the heart of intelligent systems.  ... 
doi:10.21275/20071705 fatcat:iffahqba6jctxfdcdqfcxdx6pq

Simulation Based Design for Inverter Power Supply

Mona Abo El Dahb, Yoichi Shiraishi, Shoji Tatsuno
2010 IPSJ Online Transactions  
This paper constructs a Model In the Loop Simulation (MILS) environment for designing the embedded software for the inverter power supply.  ...  Modeling and simulation act as the first step of model based development technique and they are very useful for the development and implementation in both hardware and software.  ...  It can lead to the performance improvement and the reduction of the cost and the time for development and production.  ... 
doi:10.2197/ipsjtrans.3.186 fatcat:lcrb7jblabemdfxq72dqpljl34

Full-chip sub-threshold leakage power prediction model for sub-0.18 μm CMOS

Siva Narendra, Vivek De, Shekhar Borkar, Dimitri Antoniadis, Anantha Chandrakasan
2002 Proceedings of the 2002 international symposium on Low power electronics and design - ISLPED '02  
Therefore, it becomes crucial to predict sub-threshold leakage power of such systems.  ...  With threshold voltage scaling sub-threshold leakage power is expected to become a significant portion of the total power in future CMOS systems.  ...  Scaled CMOS systems, such as new generation microprocessors, achieve an additional of at least 60% frequency increase with augmented die area, architectural enhancements, and novel circuit techniques.  ... 
doi:10.1145/566408.566415 dblp:conf/islped/NarendraDBAC02 fatcat:hc4qqsg76jajrf4slomulnbby4

Circuit and System Design Guidelines for Ultra-low Power Sensor Nodes

Yoonmyung Lee, Dongmin Yoon, Yejoong Kim, David Blaauw, Dennis Sylvester
2013 IPSJ Transactions on System LSI Design Methodology  
The design space and corresponding trade-offs for these three components are explored to suggest guidelines for the design of ultra-low power sensor nodes.  ...  In this paper, we review three different system energy budget scenarios where any of the microprocessor, memory, and timer of a sensor node can dominate the energy budget.  ...  Supply Voltage Voltage scaling is a popular approach for energy reduction of microprocessors [7] , [8] , [9] , [10] .  ... 
doi:10.2197/ipsjtsldm.6.17 fatcat:hbbgw6xpofh6rbbpchg6pa3iwu

Exceeding Conservative Limits: A Consolidated Analysis on Modern Hardware Margins

George Papadimitriou, Athanasios Chatzidimitriou, Dimitris Gizopoulos, Vijay Janapa Reddi, Jingwen Leng, Behzad Salami, Osman S. Unsal, Adrian Cristal Kestelman
2020 IEEE transactions on device and materials reliability  
We present a survey of recent studies in voltage margins reduction at the system level for modern CPUs, GPUs and FPGAs.  ...  reduction of the total power.  ...  Similarly, on Intel microprocessors we can achieve up to 20% power reduction for different workloads.  ... 
doi:10.1109/tdmr.2020.2989813 fatcat:pmphfwxwjzcmpmozjsmd4foba4

Temperature Sensitive Microarchitecture Design Circuit Design

Tamanna Afroze, S. M.
2017 International Journal of Computer Applications  
At operation-level, this work proposes a prediction mechanism to predict the useful operations inside the microprocessor that performs as a sink for heat dissipation.  ...  At architectural-level, this work proposes a drain system. This work has simulated the proposed system using Matlab and observed that the system works perfectly well.  ...  CONCLUSION Proposed techniques reduce the generated heat in the microprocessor and thus improve performance. We will further extend our work for development of an integrated system.  ... 
doi:10.5120/ijca2017913824 fatcat:yc5dxnye2rfg7i7buhymoh6z34
« Previous Showing results 1 — 15 out of 25,006 results