Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 20 of 23 for “"Dynamic Voltage and Frequency Scaling"”.
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Multilayer Techniques to Address Parameter Variation
… substantially in both static power consumed and maximum frequency supported. In this environment, ignoring variation effects when scheduling applications or when managing power with Dynamic Voltage and Frequency Scaling (DVFS) is suboptimal. This thesis presents a set of variation-aware …
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Energy-efficient wireline transceivers
… wireline transceivers are highly demanded by many applications in high performance computation and communication systems. Apart from transferring a wide range of data rates to satisfy the interconnect bandwidth requirement, the transceivers have very tight power budget and are …
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Permeability Spectra of Electrodeposited CoFe Film for Inductor Applications
… semiconductor industry. With the continuous demand for smaller devices, the manufacturing of passive components like inductors and voltage regulators presents challenges. Research trends have focused on RF and power electronics applications for Micro Electromechanical Devices (MEMs), with …
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Energy efficient operating systems and software
… as laptops, Personal Digital Assistants (PDAs) and cellular phones. Numerous dedicated hardware approaches for energy mini-mization have been proposed while software energy efficiency has been relatively unexplored. Since it is the software that drives the hardware, decisions taken during …
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Prediction Models for Multi-dimensional Power-Performance Optimization on Many Cores
… has become a primary concern for HPC systems. Dynamic voltage and frequency scaling (DVFS) and dynamic concurrency throttling (DCT) are two software tools (or knobs) for reducing the dynamic power consumption of HPC systems. To date, few works have considered the synergistic integration of DVFS …
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Modeling and Runtime Systems for Coordinated Power-Performance Management
… to throttle different system components and scale of concurrency. In this dissertation, we focus on three throttling techniques: CPU dynamic voltage and frequency scaling (DVFS), dynamic memory throttling (DMT), and dynamic concurrency throttling (DCT). We first conduct an empirical …
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Efficient and Scalable Computing for Resource-Constrained Cyber-Physical Systems: A Layered Approach
<p>With the evolution of computing and communication technology, cyber-physical systems such as self-driving cars, unmanned aerial vehicles, and mobile cognitive robots are achieving increasing levels of multifunctionality and miniaturization, enabling them to execute versatile tasks in a …
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Tempest: A Framework for High Performance Thermal-Aware Distributed Computing
… the need for powerful cooling systems, and ultimately a reduction in system reliability as temperatures increase. Over the past several years, the research community has reacted to this problem by producing software tools such as HotSpot and Mercury to estimate system thermal …
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Effective memory management for mobile environments
<p>Smartphones, tablets, and other mobile devices exhibit vastly different constraints compared to <em>regular</em> or <em>classic</em> computing environments like desktops, laptops, or servers. Mobile devices run dozens of so-called <em>“apps”</em> hosted by independent virtual machines (VM). All …
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Optimizing performance under thermal and power constraints for HPC data centers
Energy, power and resilience are the major challenges that the HPC community faces in moving to larger supercomputers. Data centers worldwide consumed energy equivalent to 235 billion kWh in 2010. A significant portion of that energy and power consumption is devoted to cooling. This thesis proposes …
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Fine-grained Adaptivity for Dynamic On-chip Networks
… for their increasing communication demands. Networks-on-Chip (NoCs) offer a scalable, high-bandwidth, low-latency solution to this problem, but unfortunately incur significant area and power overheads. Current NoCs are mostly agnostic to application requirements and hence are statically …
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An Experimental Evaluation of Real-Time DVFS Scheduling Algorithms
Dynamic voltage and frequency scaling (DVFS) is an extensively studied energy manage ment technique, which aims to reduce the energy consumption of computing platforms by dynamically scaling the CPU frequency. Real-Time DVFS (RT-DVFS) is a branch of DVFS, which reduces CPU energy consumption …
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Dynamic power management for computing and communication
… in state-of-the-art many-core processor and system-on-chip designs due to the ever-increasing demand for performance and the diminishing benefits from technology scaling. With more and more integration of processing cores and functional blocks, aggressive power management is needed to …
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ADAPTIVE POWER MANAGEMENT FOR COMPUTERS AND MOBILE DEVICES
… cooling cost, degrades the system reliability and also reduces the battery life in portable devices. Modern computing/communication devices support multiple power modes which enable power and performance tradeoff. Dynamic power management (DPM), dynamic voltage and frequency scaling (DVFS), and …
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Efficient Scientific Workflow Scheduling in Cloud Environment
… the delivery of remote computing, software and storage services through web browsers following pay-as-you-go model. In addition to successful commercial applications, many research efforts including DOE Magellan Cloud project focus on discovering the opportunities and challenges arising from …
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Qos-aware fine-grained power management in networked computing systems
… systems, from low-power battery-powered mobile and embedded systems to high-power enterprise servers. Embedded systems are required to be power efficiency because most embedded systems are powered by battery with limited capacity. Similar concern of power expenditure rises as well in enterprise …
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Design automation and QoS requirements preservation for multiprocessor embedded systems
… leveraged due to the inflexibility of design and implementation for multiprocessor embedded system applications. A higher level abstraction (i.e., a parallel programming framework) can ease the programmers to define parallelism for tasks in an application, but designers still face the …
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Improving the Efficiency of Energy Harvesting Embedded System
… mobile embedded systems, such as cell phones and tablets have infiltrated and dramatically transformed our life. The computation power, storage capacity and data communication speed of mobile devices have increases tremendously, and they have been used for more critical applications with …
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Improving the Off-chip Bandwidth Utilization and Energy Efficiency in Chip Multiprocessor (CMP) Architectures
This dissertation aims at improving the off-chip bandwidth utilization and energy efficiency in chip multiprocessor (CMP) architectures. This work consists of two main parts. The first part investigates the early write-back technique for a two-level cache hierarchy in a CMP with four processor …
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Dynamic Thermal Management for Microprocessors
<p>In deep submicron era, thermal hot spots and large temperature gradients significantly impact system reliability, performance, cost and leakage power. Dynamic thermal management techniques are designed to tackle the problems and control the chip temperature as well as power consumption. They …
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