Adaptive Techniques for Dynamic Processor Optimization Theory and Practice Episode 1 Part 4 potx

... multiple 0 1 transitions Desired Observed Desired Observed 00 011 111 …00 010 111 … 00 011 111 … 01 011 111 … 0 011 0 01 0 011 01 1 Binary Encoded Value (7 bits Required) Thermometer Encoded Value (12 8 bits ... multiple 0 1 transitions Desired Observed Desired Observed 00 011 111 …00 010 111 … 00 011 111 … 01 011 111 … Figure 12 .11 Thermometer code example. Chapter 12...

Ngày tải lên: 06/08/2014, 01:21

... Press, March 20 01, pp. 15 2 16 1. ISSN 15 22-86 81 ISBN 0-7695 -10 34- 4. [15 ] W.A. Clark, “Macromodular Computer Systems”, Proceedings of the Spring Joint Conference, AFIPS, April 19 67. [16 ] D.M. Chapiro, ... idle task on the ARM and causes Chapter 11 Dynamic and Adaptive Techniques John J. Wuu Advanced Micro Devices, Inc. 11 .1 Introduction The International Te...

Ngày tải lên: 06/08/2014, 01:21

... Technology With Integrated Column-Based Dynamic Power Supply. IEEE J. Solid-State Circuits vol 41 no 1, pp 14 6 15 1 Chapter 11 Dynamic and Adaptive Techniques in SRAM Design 263 sleepn SramVSS shutoff BL BL# Sleep ... wafer probe to account for process variations. Figure 11 .11 Active sleep control [10 ]. (© IEEE 2006) Chapter 11 Dynamic and...

Ngày tải lên: 06/08/2014, 01:21

... jitter, 15 0 skew, 15 0, 2 74 Control loop, 19 9 Critical path, 14 5, 210 DC-DC, 10 8 inductor-based, 10 9 switched-cap, 11 0 Device sizing, 98 Drain induced barrier lowering (DIBL), 17 , 50 Dynamic ... measurement, often in the noisy environment of a running system. 0.80 0.90 1. 00 1. 10 1. 20 1. 30 1. 40 1. 00 1. 20 1. 40 1. 60 1. 80 2.00 2.20 Frequenc...

Ngày tải lên: 06/08/2014, 01:21

... Voltage 0.0 0.5 1. 0 1. 5 2.0 2.5 0 .4 0.5 0.6 0.7 0.8 0.9 1 1 .1 1.2 1. 3 1. 4 1. 5 Supply Voltage (Volts) Frequency (Arb Scale) Temperature = -40 C Temperature = 12 5C Very convenient for a nominal ... Voltage 0.0 0.2 0 .4 0.6 0.8 1. 0 1. 2 1. 4 1. 6 1. 8 2.0 0 .4 0.6 0.8 1 1.2 1. 4 1. 6 Supply Voltage (Volts) Frequency (Arb. Scale) Low VT Transistors High VT T...

Ngày tải lên: 21/06/2014, 22:20

... 327MHz, and 32 Maurice Meijer, José Pineda de Gyvez -1. 2 -1. 1 -1 -0.9 -0.8 -0.7 -0.6 -0.5 -0 .4 -0.3 -0.2 -0 .1 0 0 .1 0.2 0.3 0 .4 0.8 0.9 1 1 .1 1.2 1. 3 1. 4 1. 5 1. 6 1. 7 1. 8 1. 9 2 2 .1 2.2 2.3 2 .4 P-well ... Figure 2 .11 a,b show that the dominant leakage component in the total leakage depends on the operating condition. 10 E -15 10 0E -15 1E -12 1...

Ngày tải lên: 21/06/2014, 22:20

... 2.26 3.0 1. 5 2.0 3.0 1. 5 2.0 2.5 (b) f m = (f 1 + f 2 )/2 γ f1/f2 1. 03 1. 06 1. 09 1. 13 1. 06 1. 12 1. 19 1. 26 1. 05 1. 11 1 .17 1. 24 1. 10 1. 22 1. 36 1. 52 1. 09 1. 18 1. 28 1. 39 1. 17 1. 38 1. 63 1. 94 3.0 1. 5 2.0 3.0 1. 5 ... waste and the maximum waste, respectively. (a) f m = f 2 γ f1/f2 1. 01 1.03 1. 05 1. 08 1. 02 1. 04 1. 08...

Ngày tải lên: 21/06/2014, 22:20

... increase 2.5 3 3.5 4 4.5 1 1 .1 1.2 1. 3 1. 4 1. 5 Vcc (V) Frequency (GHz) ZBB 45 0mV FBB to core 4. 05GHz 75 ° C, No sleep transistor 1. 28V 1. 35V 5% lower V CC for same frequency 5% frequency increase Figure 4 .12 ... 1. 28V Switching Leakage Overhead 8% savings ↓ 45 % LBG only 2.5 3 3.5 4 4.5 1 1 .1 1.2 1. 3 1. 4 1. 5 Vcc (V) Frequency (GHz) ZBB 45 0mV...

Ngày tải lên: 21/06/2014, 22:20

... a power source for wireless sensor nodes,” Computer Communications, vol. 26, no. 11 , pp. 11 31 11 44 , July 2003. [6] A. Wang and A. Chandrakasan, “A 18 0-mV Sub-threshold FFT processor using ... optimization for VLSI: timing and power,” New York, Springer, pp. 79 13 2, 2005. Chapter 5 Adaptive Supply Voltage Delivery for U-DVS Systems 10 3 0.2 0 .4 0.6 0.8 1 10...

Ngày tải lên: 21/06/2014, 22:20

... () () [] ∑ ⎪ ⎪ ⎭ ⎪ ⎪ ⎬ ⎫ ⎪ ⎪ ⎩ ⎪ ⎪ ⎨ ⎧ ++ ++++ = ++ + + n gnnwn ww n wnndngnnn n dn npath CwRl CR l ClCCw w R aD n 1 111 11 2 1 )1( 2 1 1 β β . (7.7) 15 8 Alan Drake 7.5 Critical Path Monitors Critical path monitors are generally used as part of a closed loop DVFS control ... No. 11 , pp. 49 8–506, November 20 01. [2] Montonarro, J, et al., “A 16 0 MHz, 32b 0.5W CMOS RIS...

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