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

... overall throughput by, typically, Chapter 11 Dynamic and Adaptive Techniques in SRAM Design 2 51 V 0 (a) (b) Figure 11 .2 Butterfly curves. Figure 11 .2a illustrates the butterfly curve of a ... 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 Technology R...

Ngày tải lên: 06/08/2014, 01:21

... wafer probe to account for process variations. Figure 11 .11 Active sleep control [10 ]. (© IEEE 2006) Chapter 11 Dynamic and Adaptive Techniques in SRAM Design 265 For example, the “wake” ... SramVSS at A1, while the matching P2 and P2’ FETs clamp SramVSS at A2. The resulting SramVSS is the lower of A1 and A2, producing Equation (11 .1) . Chapter 11 Dynami...

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... 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

... an increase in voltage from 1. 007 to 1. 015 caused a decrease in VCO count from 213 91 to 213 89. This behavior would cause the count 213 90 to make to both 1. 011 V and 1. 006V making voltage measurement ... jitter, 15 0 skew, 15 0, 274 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...

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 = -40C Temperature = 12 5C Very convenient for a nominal ... Chapter 1 Technology Challenges Motivating Adaptive Techniques 19 Figure 1. 18 The peak electric field is at the surface and influenced by the gate voltage. (© 2005 IE...

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 10 E -12...

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 1....

Ngày tải lên: 21/06/2014, 22:20

... Chapter 5 Adaptive Supply Voltage Delivery for U-DVS Systems 10 1 0 .1 0 .15 0.2 0.25 0.3 0.35 0.4 Normalized Width (W) Number of Stages (N) 1 2 3 4 5 6 4 6 8 10 12 14 16 18 Figure 5.6 ... 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 450mV FBB to core 4.05GHz 75 ° C, No sleep transist...

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 −2...

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 ... logic path, for this analysis, it is simpler and sufficient to analyze the path as a simple buf...

Ngày tải lên: 21/06/2014, 22:20