Functional unit selection in microprocessors for low power
Functional unit selection in microprocessors for low power
... Issue { Inst=Get_Next_Inst(IP); If (!All_Operand_Ready(Inst)) break; For (each source operand inp of Inst) If (Prod[inp]!=0) PI[Prod[inp]]=MIN(PI[Prod[n]],CycleIssue[Prod[inp]]); For (each destination ... present a novel power saving technique Extra slow FUs with lower per-execution energy are introduced into a processor Using code analysis and/or run-time pipeline profiling, certain instructions ... technique provides a fine-grain mechanism for lowering performance at an instruction-by-instruction level, which is not possible in DVS or any other technique It allows instructions of different...
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Báo cáo khoa học: "Statistical Modeling for Unit Selection in Speech Synthesis" pptx
... for concatenative speech synthesis In Proceedings of Eurospeech, volume 2, pages 607–610 Ivan Bulyko and Mari Ostendorf 2001 Unit selection for speech synthesis using splicing costs with weighted ... with input label a and output b For the purpose of our unit selection system, we had to resort to an approximation This is because in general, the backoff use just outlined leads to examining, for ... Beutnagel for helping us clarify some of the details of the unit selection system in the AT&T Natural Voices Product speech synthesizer Mark also generated the training corpora and set up the listening...
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Báo cáo hóa học: " Research Article Efficient Algorithm and Architecture of Critical-Band Transform for Low-Power Speech Applications" pdf
... Section 1, a novel critical-band transform algorithm is proposed to approximate the critical-band filtering of the human ear It consists of two transforms: a constant- Q transform (CQT) in the ... speech systems In this study, we develop an efficient critical-band transform algorithm and an architecture for approximating the critical-band filtering of the human ear [12] The novel CBT scheme has ... proposed 21-band Bark scale critical-band transform is evaluated and compared with the OWPT method Figure shows the degree of approximation to the Bark scale critical bands both for the CBT and for the...
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Báo cáo hóa học: " Analog-Digital Partitioning for Low-Power UWB Impulse Radios under CMOS Scaling" potx
... consumption figures for a 180 nm UWB receiver with the same functionality but relying on four-phase sampling of the full UWB pulse frame are 86 mW for four ADCs operating at 300 MHz and 75 mW for digital ... mixed-mode impulse UWB transceiver with ITRS 2004 roadmap parameters It is concluded that the leakage power consumption is going to become important in low-power UWB receivers with CMOS technology ... design techniques to tackle static and dynamic power consumption on top of CMOS scaling for enabling future low-power UWB radios A roadmap analysis of the power consumption of the front-end shows...
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Design for Low Power potx
... Design for Low Power Slide 19 Low Power Design Reduce dynamic power – α: clock gating, sleep mode – C: – VDD: – f: Reduce static power CMOS VLSI Design Design for Low Power Slide 20 Low Power Design ... low leakage devices, Pstatic = 749 mW (!) CMOS VLSI Design Design for Low Power Slide 18 Low Power Design Reduce dynamic power – α: – C: – VDD: – f: Reduce static power CMOS VLSI Design Design ... Outline Power and Energy Dynamic Power Static Power Low Power Design CMOS VLSI Design Design for LowSlide Power Power and Energy Power is drawn from a voltage source...
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Tunneling field effect transistors for low power logic design, simulation and technology demonstration
... TUNNELING FIELD- EFFECT TRANSISTORS FOR LOW POWER LOGIC: DESIGN, SIMULATION, AND TECHNOLOGY DEMONSTRATION YANG YUE (B ENG (HONS.)), NUS A THESIS SUBMITTED FOR THE DEGREE OF DOCTOR ... relatively large bandgap, leading to a low band-to-band tunneling (BTBT) rate and low drive current for Si TFETs Therefore, novel structure designs and materials are need advance the TFET technology ... mr , Tunneling reduced mass for Γ - Γ direct band-to-band tunneling kg * mr ,L Tunneling reduced mass for Γ - L indirect band-to-band tunneling kg NA Acceptor concentration cm-3 N c , Effective...
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Solar and thermal energy scavenging system for low power application
... different types of solar and thermal energy harvesting systems The main focus of this report is to develop energy efficient solar and thermal energy harvesters for low power wireless sensor applications ... converter (ADC) and voltage as well as current sensors Hence, the overall efficiency of the scavenging system for low power application is comparatively lower due to digital control system in power conversion ... different types of energy scavenging system such as energy extraction from solar and thermal energy sources for wireless sensor nodes used for condition monitoring applications are investigated...
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Báo cáo hóa học: " Research Article Optimal Channel Selection for Spectrum-Agile Low-Power Wireless Packet Switched Networks in Unlicensed Band" doc
... is, two interfering packets were transmitted during that time as shown in Figure Since in practical scenarios the interference probability 1, the probability of having two interfering packets ... Gittins indices makes the algorithm try unexplored channel until enough information is gained about them 3.2.2 Channel selection algorithm The channel selection can be described using the Gittins ... 3.2 Optimal policy In order to determine the optimal policy, we need to establish a mapping between informational states and possible actions determining which channel should be selected for...
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Micro architecture level low power design for microprocessors
... Introduction Power dissipation is becoming a crucial design constraint for modern microprocessors This thesis investigates low power design schemes at the micro- architecture level to reduce power dissipation ... to reduce power dissipation induced by these sources in microprocessors In Chapter 3, firstly, the motivation for our micro- architecture level low- power design schemes is presented Following that, ... Micro- architecture Level DVS Algorithms As discussed above, in this thesis, we propose two novel algorithms to schedule DVS at the micro- architecture level to achieve successful low- power designs for microprocessors...
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A low power design for arithmetic and logic unit
... popular and widely-used over the past few years One reason for the widespread adoption is their usability such as a transformation to a graphical interface The ability for such a transformation has ... diode leakage, gate leakage and other smaller leakage components With such a short channel length, the subthreshold (source/drain) 27 CHAPTER THE ARITHMETIC AND LOGIC UNIT HARDWARE leakage and reverse-bias ... low power consumption 23 CHAPTER THE ARITHMETIC AND LOGIC UNIT HARDWARE CHAPTER THE ARITHMETIC AND LOGIC UNIT HARDWARE In this chapter, we will describe the characteristics of CMOS circuits and...
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A low power high dynamic range broadband variable gain amplifier for an ultra wideband receiver
... Laszlo Kish Charles S Lessard Costas Georghiades May 2006 Major Subject: Electrical Engineering iii ABSTRACT A Low Power, High Dynamic Range, Broadband Variable Gain Amplifier for an Ultra Wideband ... A LOW POWER, HIGH DYNAMIC RANGE, BROADBAND VARIABLE GAIN AMPLIFIER FOR AN ULTRA WIDEBAND RECEIVER A Thesis by LIN CHEN Submitted to the Office of Graduate Studies of Texas A& M University ... not suitable for this design, because it cannot simultaneously satisfy the required specifications of large bandwidth, large variable gain range, and large linear range (1Vpp) 12 II.1.2 Analog...
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Optimal placement of horizontal - and vertical - axis wind turbines in a wind farm for maximum power generation using a genetic algorithm
... shape optimizations for wind turbine blades and optimization for wind- farm layouts using CFD method and genetic algorithms E-mail address: jackmin.chen@gmail.com; xc6@cec.wustl Ramesh Agarwal ... taking into account bigger size of VAWT and larger wind farms In addition, a comparative cost and power study should be performed to determine the relative economics of HAWT and VAWT wind farms ... function (total power/ cost) for HAWT wind farm using GA for case I Figure Optimal layout of HAWT in a 50D x 50D wind farm ISSN 207 6-2 895 (Print), ISSN 207 6-2 909 (Online) ©2012 International Energy...
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Tài liệu Working through Screens-100 Ideas for Envisioning Powerful, Engaging, and Productive User Experiences in Knowledge Work pdf
... allowing workers to maintain an internal locus of control; and providing meaningful visibility into the internal workings of automation Category I, Working with volumes of information,” contains ... of understanding and insight Lay the groundwork for inspiration WORKING THROUGH SCREENS 13 FRONT MATTER | FRAMING THE PROBLEM Extensive concepting, based on intensive questioning, driving visionary, ... award winning work that impresses partners in her firm Building Information Modeling Application Concept WORKING THROUGH SCREENS 47 FRONT MATTER | PRIMER ON EXAMPLE KNOWLEDGE WORK DOMAINS Clinical...
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Tài liệu Báo cáo khoa học: "Joint Feature Selection in Distributed Stochastic Learning for Large-Scale Discriminative Training in SMT" pdf
... Joint Feature Selection in Distributed Stochastic Learning The following discussion of learning methods is based on pairwise ranking in a Stochastic Gradient Descent (SGD) framework The resulting ... from scaling discriminative training for SMT to large training sets We deploy generic features for SCFG-based SMT that can efficiently be read off from rules at runtime Such features include rule ... Online large-margin training for statistical machine translation In Proceedings of the 2007 Joint Conference on Empirical Mehtods in Natural Language Processing and Computational Language Learning...
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