Optimization theory and methods

... typical examples The powerful and elegant language of convex analysis unifies much of this theory Hence our aim of writing a concise, accessible account of convex analysis and its applications and ... is closed and convex, and that the set D ⊂ E is compact and convex (a) Prove the set D − C is closed and convex (b) Deduce that if in addition D and C are disjoin...

Ngày tải lên: 31/03/2014, 15:13

... transform methods, a survey of recent results in Zak space sequence design and analysis, and a discussion of the main open problems in this area In the paper “Tree image growth analysis using instantaneous ... communications” by N Josso et al., following EURASIP Journal on Advances in Signal Processing a linear time-varying wideband system representation, two methods for...

Ngày tải lên: 21/06/2014, 05:20

... 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...

Ngày tải lên: 21/06/2014, 22:20

... 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...

Ngày tải lên: 21/06/2014, 22:20

... 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...

Ngày tải lên: 21/06/2014, 22:20

... 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...

Ngày tải lên: 21/06/2014, 22:20

... 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...

Ngày tải lên: 21/06/2014, 22:20

... architecture is defined, the microprocessor passes through logic, A Wang, S Naffziger (eds.), Adaptive Techniques for Dynamic Processor Optimization, DOI: 10.1007/978-0-387-76472-6_7, © Springer Science+Business ... essentially an FET wire; and NAND and NOR gate paths consisting of a series of 4-high NAND and 3-high NOR gates respectively Simulations were performed at two fr...

Ngày tải lên: 21/06/2014, 22:20

... 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)...

Ngày tải lên: 21/06/2014, 22:20

... 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...

Ngày tải lên: 21/06/2014, 22:20

... 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...

Ngày tải lên: 21/06/2014, 22:20