An Event Driven Parallel Processing Subsystem For Energy Efficient Mobile Medical Instrumentation
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| Author | : Florian Stefan Glaser |
| Publisher | : BoD – Books on Demand |
| Total Pages | : 216 |
| Release | : 2022-12-02 |
| Genre | : Technology & Engineering |
| ISBN | : 3866287771 |
Aging population and the thereby ever-rising cost of health services call for novel and innovative solutions for providing medical care and services. So far, medical care is primarily provided in the form of time-consuming in-person appointments with trained personnel and expensive, stationary instrumentation equipment. As for many current and past challenges, the advances in microelectronics are a crucial enabler and offer a plethora of opportunities. With key building blocks such as sensing, processing, and communication systems and circuits getting smaller, cheaper, and more energy-efficient, personal and wearable or even implantable point-of-care devices with medicalgrade instrumentation capabilities become feasible. Device size and battery lifetime are paramount for the realization of such devices. Besides integrating the required functionality into as few individual microelectronic components as possible, the energy efficiency of such is crucial to reduce battery size, usually being the dominant contributor to overall device size. In this thesis, we present two major contributions to achieve the discussed goals in the context of miniaturized medical instrumentation: First, we present a synchronization solution for embedded, parallel near-threshold computing (NTC), a promising concept for enabling the required processing capabilities with an energy efficiency that is suitable for highly mobile devices with very limited battery capacity. Our proposed solution aims at increasing energy efficiency and performance for parallel NTC clusters by maximizing the effective utilization of the available cores under parallel workloads. We describe a hardware unit that enables fine-grain parallelization by greatly optimizing and accelerating core-to-core synchronization and communication and analyze the impact of those mechanisms on the overall performance and energy efficiency of an eight-core cluster. With a range of digital signal processing (DSP) applications typical for the targeted systems, the proposed hardware unit improves performance by up to 92% and 23% on average and energy efficiency by up to 98% and 39% on average. In the second part, we present a MCU processing and control subsystem (MPCS) for the integration into VivoSoC, a highly versatile single-chip solution for mobile medical instrumentation. In addition to the MPCS, it includes a multitude of analog front-ends (AFEs) and a multi-channel power management IC (PMIC) for voltage conversion. ...
| Author | : Matheus Cavalcante |
| Publisher | : BoD – Books on Demand |
| Total Pages | : 224 |
| Release | : 2023-08-24 |
| Genre | : |
| ISBN | : 3866288018 |
In his seminal Turing Award Lecture, Backus discussed the issues stemming from the word-at-a-time style of programming inherited from the von Neumann computer. More than forty years later, computer architects must be creative to amortize the von Neumann Bottleneck (VNB) associated with fetching and decoding instructions which only keep the datapath busy for a very short period of time. In particular, vector processors promise to be one of the most efficient architectures to tackle the VNB, by amortizing the energy overhead of instruction fetching and decoding over several chunks of data. This work explores vector processing as an option to build small and efficient processing elements for large-scale clusters of cores sharing access to tightly-coupled L1 memory
| Author | : Albert Y. Zomaya |
| Publisher | : John Wiley & Sons |
| Total Pages | : 605 |
| Release | : 2012-07-26 |
| Genre | : Computers |
| ISBN | : 1118342003 |
The energy consumption issue in distributed computing systems raises various monetary, environmental and system performance concerns. Electricity consumption in the US doubled from 2000 to 2005. From a financial and environmental standpoint, reducing the consumption of electricity is important, yet these reforms must not lead to performance degradation of the computing systems. These contradicting constraints create a suite of complex problems that need to be resolved in order to lead to 'greener' distributed computing systems. This book brings together a group of outstanding researchers that investigate the different facets of green and energy efficient distributed computing. Key features: One of the first books of its kind Features latest research findings on emerging topics by well-known scientists Valuable research for grad students, postdocs, and researchers Research will greatly feed into other technologies and application domains
| Author | : David B. Kirk |
| Publisher | : Newnes |
| Total Pages | : 519 |
| Release | : 2012-12-31 |
| Genre | : Computers |
| ISBN | : 0123914183 |
Programming Massively Parallel Processors: A Hands-on Approach, Second Edition, teaches students how to program massively parallel processors. It offers a detailed discussion of various techniques for constructing parallel programs. Case studies are used to demonstrate the development process, which begins with computational thinking and ends with effective and efficient parallel programs. This guide shows both student and professional alike the basic concepts of parallel programming and GPU architecture. Topics of performance, floating-point format, parallel patterns, and dynamic parallelism are covered in depth. This revised edition contains more parallel programming examples, commonly-used libraries such as Thrust, and explanations of the latest tools. It also provides new coverage of CUDA 5.0, improved performance, enhanced development tools, increased hardware support, and more; increased coverage of related technology, OpenCL and new material on algorithm patterns, GPU clusters, host programming, and data parallelism; and two new case studies (on MRI reconstruction and molecular visualization) that explore the latest applications of CUDA and GPUs for scientific research and high-performance computing. This book should be a valuable resource for advanced students, software engineers, programmers, and hardware engineers. New coverage of CUDA 5.0, improved performance, enhanced development tools, increased hardware support, and more Increased coverage of related technology, OpenCL and new material on algorithm patterns, GPU clusters, host programming, and data parallelism Two new case studies (on MRI reconstruction and molecular visualization) explore the latest applications of CUDA and GPUs for scientific research and high-performance computing
| Author | : Ben Glaser |
| Publisher | : JHU Press |
| Total Pages | : 303 |
| Release | : 2020-11-03 |
| Genre | : Literary Criticism |
| ISBN | : 1421439530 |
Despite meter's recasting as a rigid metronome, diverse modern poet-critics refused the formal ideologies of free verse through complex engagements with traditional versification. In the twentieth century, meter became an object of disdain, reimagined as an automated metronome to be transcended by new rhythmic practices of free verse. Yet meter remained in the archives, poems, letters, and pedagogy of modern poets and critics. In Modernism's Metronome, Ben Glaser revisits early twentieth-century poetics to uncover a wide range of metrical practice and theory, upending our inherited story about the "breaking" of meter and rise of free verse.
| Author | : |
| Publisher | : Voyageur Press |
| Total Pages | : 0 |
| Release | : 2010-08-08 |
| Genre | : Biography & Autobiography |
| ISBN | : 9780760346372 |
Driving a tractor was a rite of passage for every farmboy and girl. Anyone who grew up on a farm has nostalgic—or not so happy!—stories about his or her first tractor: the Farmall that replaced the draft horses, the John Deere “Poppin’ Johnny” that ran forever, and the cursed tractor that would never start. The long hours spent in the metal tractor seat, come rain, snow, or the glaring sun, were formative in a farmer’s life. Here are 25 stories from notable rural authors relating fond or not-so-fond memories of their first tractors, including Michael Perry, Bob Artley, Roger Welsch, Bob Feller, Ben Logan, Gwen Petersen, Ralph W. Sanders, Robert N. Pripps, Patricia Penton Leimbach, Randy Leffingwell, Lee Klancher, Don Macmillan, Scott Garvey, John Dietz, and more.
| Author | : Giorgos Fagas |
| Publisher | : BoD – Books on Demand |
| Total Pages | : 252 |
| Release | : 2017-03-22 |
| Genre | : Technology & Engineering |
| ISBN | : 9535130110 |
In a previous volume (ICT-Energy-Concepts Towards Zero-Power ICT; referenced below as Vol. 1), we addressed some of the fundamentals related to bridging the gap between the amount of energy required to operate portable/mobile ICT systems and the amount of energy available from ambient sources. The only viable solution appears to be to attack the gap from both sides, i.e. to reduce the amount of energy dissipated during computation and to improve the efficiency in energy-harvesting technologies. In this book, we build on those concepts and continue the discussion on energy efficiency and sustainability by addressing the minimisation of energy consumption at different levels across the ICT system stack, from hardware to software, as well as discussing energy consumption issues in high-performance computing (HPC), data centres and communication in sensor networks. This book was realised thanks to the contribution of the project ‘Coordinating Research Efforts of the ICT-Energy Community’ funded from the European Union under the Future and Emerging Technologies (FET) area of the Seventh Framework Programme for Research and Technological Development (grant agreement n. 611004).
| Author | : |
| Publisher | : |
| Total Pages | : 968 |
| Release | : 1989 |
| Genre | : Aeronautics |
| ISBN | : |
| Author | : Noelle Morrissette |
| Publisher | : University of Georgia Press |
| Total Pages | : 261 |
| Release | : 2017-07-15 |
| Genre | : Social Science |
| ISBN | : 0820350966 |
James Weldon Johnson (1871–1938) exemplified the ideal of the American public intellectual as a writer, educator, songwriter, diplomat, key figure of the Harlem Renaissance, and first African American executive of the NAACP. Originally published anonymously in 1912, Johnson’s novel The Autobiography of an Ex-Colored Man is considered one of the foundational works of twentieth-century African American literature, and its themes and forms have been taken up by other writers, from Ralph Ellison to Teju Cole. Johnson’s novel provocatively engages with political and cultural strains still prevalent in American discourse today, and it remains in print over a century after its initial publication. New Perspectives contains fresh essays that analyze the book’s reverberations, the contexts within which it was created and received, the aesthetic and intellectual developments of its author, and its continuing influence on American literature and global culture. Contributors: Bruce Barnhart, Lori Brooks, Ben Glaser, Jeff Karem, Daphne Lamothe, Noelle Morrissette, Michael Nowlin, Lawrence J. Oliver, Diana Paulin, Amritjit Singh, Robert B. Stepto
| Author | : Institute of Electrical and Electronics Engineers |
| Publisher | : |
| Total Pages | : 1468 |
| Release | : 1997 |
| Genre | : Electrical engineering |
| ISBN | : |
