... Motivating Adaptive Techniques 21 1.5 Conclusion Variability and leakage are major technology challenges for both present and future integrated circuits, and the adoption of adaptive techniques ... Pessolano, and J P de Gyvez, “Limits to Performance Spread Tuning Using Adaptive Voltage and Body Biasing,” International Symposium on Circuits and Systems, pp 5–8, May 2005...
... standpoint, power consumption can be reduced by downscaling transistor dimensions CMOS transistor scaling consists of A Wang, S Naffziger (eds.), Adaptive Techniques for Dynamic Processor Optimization, ... determine power-performance trade-offs and leakage reduction factors with AVS and ABB Each ring-oscillator uses minimum-sized standard-cell inverters as delay elements an...
... information, more sophisticated control is possible for further power reduction A Wang, S Naffziger (eds.), Adaptive Techniques for Dynamic Processor Optimization, DOI: 10.1007/978-0-387-76472-6_3, ... ±0.1V to ±0.05V in both the active and the standby modes and raises VTH by 0.25V in the standby mode 58 Tadahiro Kuroda, Takayasu Sakurai x : average, σ: standard deviation...
... the droop and dynamically respond by lowering frequency The maximum frequency can then by increased by 32% for this large voltage droop, improving average performance for the workload Dynamic frequency ... reduced, and forward body bias (in this example, NMOS forward body bias) can be applied to further increase the performance This combination reduces the guardband needed fo...
... analysis and optimization for VLSI: timing and power,” New York, Springer, pp 79–132, 2005 Chapter Adaptive Supply Voltage Delivery for U-DVS Systems 121 [11] B Zhai, S Hanson, D Blaauw, and D ... References [1] V Gutnik and A Chandrakasan, “Embedded power supply for low-power DSP,” IEEE Trans VLSI Syst., vol 5, no 4, pp 425–435, Dec 1997 [2] A Sinha and A Chandrakasan, D...
... extension of the analysis of this microarchitecture performed by Herbert et al [7] A Wang, S Naffziger (eds.), Adaptive Techniques for Dynamic Processor Optimization, DOI: 10.1007/978-0-387-76472-6_9, ... proposed by Butts and Sohi [5] and complements Wattch’s dynamic power model The model uses estimates of the number of transistors (scaled by design-dependent factors)...
... performance and causes it to be clocked at a lower speed One solution is to use some control scheme similar to those used for DVFS to decide whether a domain should actually be sped up and by ... better performance than FI-T and was more complex However, these results show that the speedups applied by FI-CP and FI-T are largely independent The final energy-delay2 reduction offer...
... discussion of error correction and dynamic cache line disable or reconfiguration options A Wang, S Naffziger (eds.), Adaptive Techniques for Dynamic Processor Optimization, DOI: 10.1007/978-0-387-76472-6_11, ... read and write margins The following sections will survey the range of techniques that seek to dynamically or adaptively improve SRAM cells’ read and write margi...
... Technologies Siva G Narendra and Anantha Chandrakasan ISBN 978-0-387-25737-2, 2005 Statistical Analysis and Optimization for VLSI: Timing and Power Ashish Srivastava, Dennis Sylvester, and David Blaauw ISBN ... full potential of adaptive techniques Additional significant breakthroughs will be required for higher levels of adaptation involving applications, OS, firmware, syst...