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Impact of Parameter Variations on Circuits and Microarchitecture
November/December 2006 (vol. 26 no. 6)
pp. 30-39
Osman S. Unsal, Barcelona Supercomputing Center
James W. Tschanz, Circuits Research Lab, Intel Microprocessor Technology Labs
Keith Bowman, Circuits Research Lab, Intel Microprocessor Technology Labs
Vivek De, Circuits Research Lab, Intel Microprocessor Technology Labs
Xavier Vera, Intel Barcelona Research Center
Antonio González, Universitat Politècnica de Catalunya & Intel Barcelona Research Center
Oguz Ergin, TOBB University of Economics and Technology, Ankara
Parameter variations, which are increasing along with advances in process technologies, affect both timing and power. Variability must be considered at both the circuit and microarchitectural design levels to keep pace with performance scaling and to keep power consumption within reasonable limits. This article presents an overview of the main sources of variability and surveys variation-tolerant circuit and microarchitectural approaches.
Index Terms:
variation-tolerant design, processor architectures, performance and reliability, impact of VLSI on system design
Citation:
Osman S. Unsal, James W. Tschanz, Keith Bowman, Vivek De, Xavier Vera, Antonio González, Oguz Ergin, "Impact of Parameter Variations on Circuits and Microarchitecture," IEEE Micro, vol. 26, no. 6, pp. 30-39, Nov.-Dec. 2006, doi:10.1109/MM.2006.122
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