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Distributed Computing For Signal Processing Modeling Of Asynchronous Parallel Computation Appendix A
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Book Synopsis Distributed Computing for Signal Processing: Modeling of Asynchronous Parallel Computation. Appendix A. by : H. J. Siegel
Download or read book Distributed Computing for Signal Processing: Modeling of Asynchronous Parallel Computation. Appendix A. written by H. J. Siegel and published by . This book was released on 1983 with total page 292 pages. Available in PDF, EPUB and Kindle. Book excerpt: Research in the area of distributed computing systems for digital signal processing applications is described. The work involves the modeling of asynchronous parallel processes and computer systems for executing these processes. The objective of the work is to develop techniques by which the compatibility of an architecture and an algorithm can be evaluated. The three part effort addresses: 1. Modeling of asynchronous parallel computer system architectures; 2. Modeling of asynchronous parallel computational processes; 3. Evaluation of alternative architectures relative to classes of computational the approach to the modeling of parallel processes and architectures is to examined the parallelism in a variety of one- and two-dimensional signal processing tasks. This includes a study of the ways in which different types of digital signal processing tasks can be executed on different types of architectures. The goal is to develop one set of features by which processes can be characterized, and another set of features by which parallel architectures can be characterized: and to use these features to obtain measures for the evaluation of process/architecture compatibility. This research will contribute to the understanding both of how distributed computer systems can be designed for the execution of a class of tasks, and of how signal processing tasks can be decomposed for execution on a distributed computing system. (Author).
Book Synopsis Distributed Computing for Signal Processing: Modeling of Asynchronous Parallel Computation. Appendix G. On the Design and Modeling of Special Purpose Parallel Processing Systems by : Bradley W. Smith
Download or read book Distributed Computing for Signal Processing: Modeling of Asynchronous Parallel Computation. Appendix G. On the Design and Modeling of Special Purpose Parallel Processing Systems written by Bradley W. Smith and published by . This book was released on 1985 with total page 317 pages. Available in PDF, EPUB and Kindle. Book excerpt: As the capabilities of computing machinery grow, so does the diverse variety of their applications. The feasibility of many approaches to these applications depends solely upon the existence of computing machinery capable of performing these tasks within a given time constraint. Because the majority of the available computing machinery is general purpose in nature, tasks that do not require purpose facilities, but that do require high throughput, are condemned to execution on expensive general purpose hardware. This research describes several tasks that require fast computing machinery. These tasks do not require general purpose facilities in the sense that the computing machinery used will only perform a fixed set of tasks. Some of the tasks are simple in nature, but are required to execute on very large data sets. Other tasks are computationally intensive in addition to possibly involving large data sets. Both simple and complex algorithms are considered. The discussion includes a description of the tasks. All of the above tasks are useful; however, their value is determined in part by the time required to perform them. This work discusses three architectures for performing remote sensing tasks. These architectures can execute the described tasks more quickly than conventionally available hardware.
Book Synopsis Distributed Computing for Signal Processing: Modeling of Asynchronous Parallel Computation. Appendix F. Studies in Parallel Image Processing by : Gie-Ming Lin
Download or read book Distributed Computing for Signal Processing: Modeling of Asynchronous Parallel Computation. Appendix F. Studies in Parallel Image Processing written by Gie-Ming Lin and published by . This book was released on 1984 with total page 171 pages. Available in PDF, EPUB and Kindle. Book excerpt: The supervised relaxation operator combines the information from multiple ancillary data sources with the information from multispectral remote sensing image data and spatial context. Iterative calculation integrate information from the various sources, reaching a balance in consistency between these sources of information. The supervised relaxation operator is shown to produce substantial improvements in classification accuracy compared to the accuracy produced by the conventional maximum likelihood classifier using spectral data only. The convergence property of the supervised relaxation algorithm is also described. Improvement in classification accuracy by means of supervised relaxation comes at a high price in terms of computation. In order to overcome the computation-intensive problem, a distributed/parallel implementation is adopted to take advantage of a high degree of inherent parallelism in the algorithm.
Book Synopsis Distributed Computing for Signal Processing: Modeling of Asynchronous Parallel Computation. Appendix C. Fault Tolerant Interconnection Networks and Image Processing Applications for the PASM Parallel Processing Systems by : George B Adams (III.)
Download or read book Distributed Computing for Signal Processing: Modeling of Asynchronous Parallel Computation. Appendix C. Fault Tolerant Interconnection Networks and Image Processing Applications for the PASM Parallel Processing Systems written by George B Adams (III.) and published by . This book was released on 1984 with total page 371 pages. Available in PDF, EPUB and Kindle. Book excerpt: The demand for very high speed data processing coupled with falling hardware costs has made large-scale parallel and distributed computer systems both desirable and feasible. Two modes of parallel processing are single instruction stream-multiple data stream (SIMD) and multiple instruction stream - multiple data stream (MIMD). PASM, a partitionable SIMD/MIMD system, is a reconfigurable multimicroprocessor system being designed for image processing and pattern recognition. An important component of these systems is the interconnection network, the mechanism for communication among the computation nodes and memories. Assuring high reliability for such complex systems is a significant task. Thus, a crucial practical aspect of an interconnection network is fault tolerance. In answer to this need, the Extra Stage Cube (ESC), a fault-tolerant, multistage cube-type interconnection network, is defined. The fault tolerance of the ESC is explored for both single and multiple faults, routing tags are defined, and consideration is given to permuting data and partitioning the ESC in the presence of faults. The ESC is compared with other fault-tolerant multistage networks. Finally, reliability of the ESC and an enhanced version of it are investigated. Keywords: Theses.
Book Synopsis Distributed Computing for Signal Processing: Modeling of Asynchronous Parallel Computation. Appendix B. Design of the Operating System for the PASM Parallel Processing System by : David L. Tuomenoksa
Download or read book Distributed Computing for Signal Processing: Modeling of Asynchronous Parallel Computation. Appendix B. Design of the Operating System for the PASM Parallel Processing System written by David L. Tuomenoksa and published by . This book was released on 1983 with total page 347 pages. Available in PDF, EPUB and Kindle. Book excerpt: As a result of advances in microcomputer technology, it is now feasible to build large-scale parallel processing systems capable of performing image processing tasks more rapidly than previously possible. Such parallel processing systems add levels of complexity for both the operating system and the application software. They impose constraints that make a direct transplantation of conventional (multiprogrammed) operating systems extremely inefficient (Bae80). This thesis considers the design of PASMOS, a distributed operating system for the PASM parallel processing system. PASM is a reconfigurable multimicrocomputer system which is being designed at Purdue University for image processing and pattern recognition applications. The special purpose nature of PASM has been exploited in the design of PASMOS. PASMOS has a hierarchical structure and is distributed throughout the hardware components of PASM. It utilizes the PASM hardware to create an execution environment (virtual machine) for parallel processing tasks. Facilities provided by PASMOS include those for task management and scheduling, memory management, user interaction, process communication and synchronization, and protection. The general performance of the PASM system has been examined both analytically and via simulation.
Book Synopsis Distributed Computing for Signal Processing: Modeling of Asynchronous Parallel Computation. Appendix D. Analysis of MIMD (Multiple Instruction Streams, Multiple Data Streams) Algorithms: Features, Measurements, and Results by : Kirk D. Smith
Download or read book Distributed Computing for Signal Processing: Modeling of Asynchronous Parallel Computation. Appendix D. Analysis of MIMD (Multiple Instruction Streams, Multiple Data Streams) Algorithms: Features, Measurements, and Results written by Kirk D. Smith and published by . This book was released on 1984 with total page 170 pages. Available in PDF, EPUB and Kindle. Book excerpt: Analysis of parallel algorithms for MIMD (Multiple Instruction streams, Multiple data streams) machines is often difficult. Much work in the past has focused on SISD (Single Instruction and Data Streams (conventional)) and SIMD(Single Instruction stream, Multiple Instruction system (vector)) algorithms. Most of this work applies in MIMD systems, yet there are several significant problems that arise. This thesis focuses on these problems and proposes solutions to them. An image processing problem is analyzed for parallelism. Measures of parallelism are proposed. With these measures in mind, the image processing problem is again analyzed and several common parallel languages are surveyed. With this background, a set of language and machine independent MIMD constructs is proposed, and it is shown how these can be used on several forms of traditional analysis. (Thesis).
Book Synopsis Distributed Computing for Signal Processing: Modeling of Asynchronous Parallel Computation by : L. H. Jamieson
Download or read book Distributed Computing for Signal Processing: Modeling of Asynchronous Parallel Computation written by L. H. Jamieson and published by . This book was released on 1986 with total page 171 pages. Available in PDF, EPUB and Kindle. Book excerpt: This report compiles the results of army research in the area of modeling asynchronous parallel architectures and computation for applications in the areas of digital image and signal processing. The work can be broadly divided into three areas: (1) Case studies of parallel image processing algorithms and tasks, the objective of which is to study the interaction of parallel processes and parallel architectures; (2) Modeling of interconnection networks and (3) Aspects of the problem of modeling parallel processes and parallel architectures.
Book Synopsis Distributed Computing for Signal Processing by : Leah H. Jamieson
Download or read book Distributed Computing for Signal Processing written by Leah H. Jamieson and published by . This book was released on 1983 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Energy Research Abstracts written by and published by . This book was released on 1990 with total page 834 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Research in Progress written by and published by . This book was released on 1983 with total page 644 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Research in Progress by : United States. Army Research Office
Download or read book Research in Progress written by United States. Army Research Office and published by . This book was released on 1984 with total page 284 pages. Available in PDF, EPUB and Kindle. Book excerpt: Vols. for 1977- consist of two parts: Chemistry, biological sciences, engineering sciences, metallurgy and materials science (issued in the spring); and Physics, electronics, mathematics, geosciences (issued in the fall).
Book Synopsis A Parallel Algorithm Synthesis Procedure for High-Performance Computer Architectures by : Ian N. Dunn
Download or read book A Parallel Algorithm Synthesis Procedure for High-Performance Computer Architectures written by Ian N. Dunn and published by Springer Science & Business Media. This book was released on 2012-09-14 with total page 114 pages. Available in PDF, EPUB and Kindle. Book excerpt: Despite five decades of research, parallel computing remains an exotic, frontier technology on the fringes of mainstream computing. Its much-heralded triumph over sequential computing has yet to materialize. This is in spite of the fact that the processing needs of many signal processing applications continue to eclipse the capabilities of sequential computing. The culprit is largely the software development environment. Fundamental shortcomings in the development environment of many parallel computer architectures thwart the adoption of parallel computing. Foremost, parallel computing has no unifying model to accurately predict the execution time of algorithms on parallel architectures. Cost and scarce programming resources prohibit deploying multiple algorithms and partitioning strategies in an attempt to find the fastest solution. As a consequence, algorithm design is largely an intuitive art form dominated by practitioners who specialize in a particular computer architecture. This, coupled with the fact that parallel computer architectures rarely last more than a couple of years, makes for a complex and challenging design environment. To navigate this environment, algorithm designers need a road map, a detailed procedure they can use to efficiently develop high performance, portable parallel algorithms. The focus of this book is to draw such a road map. The Parallel Algorithm Synthesis Procedure can be used to design reusable building blocks of adaptable, scalable software modules from which high performance signal processing applications can be constructed. The hallmark of the procedure is a semi-systematic process for introducing parameters to control the partitioning and scheduling of computation and communication. This facilitates the tailoring of software modules to exploit different configurations of multiple processors, multiple floating-point units, and hierarchical memories. To showcase the efficacy of this procedure, the book presents three case studies requiring various degrees of optimization for parallel execution.
Book Synopsis Distributed Computer Systems by : H. S. M. Zedan
Download or read book Distributed Computer Systems written by H. S. M. Zedan and published by Butterworth-Heinemann. This book was released on 2014-05-12 with total page 320 pages. Available in PDF, EPUB and Kindle. Book excerpt: Distributed Computer Systems: Theory and Practice is a collection of papers dealing with the design and implementation of operating systems, including distributed systems, such as the amoeba system, argus, Andrew, and grapevine. One paper discusses the concepts and notations for concurrent programming, particularly language notation used in computer programming, synchronization methods, and also compares three classes of languages. Another paper explains load balancing or load redistribution to improve system performance, namely, static balancing and adaptive load balancing. For program efficiency, the user can choose from various debugging approaches to locate or fix errors without significantly disturbing the program behavior. Examples of debuggers pertain to the ada language and the occam programming language. Another paper describes the architecture of a real-time distributed database system used for computer network management, monitoring integration, as well as administration and control of both local area or wide area communications networks. The book can prove helpful to programmers, computer engineers, computer technicians, and computer instructors dealing with many aspects of computers, such as programming, hardware interface, networking, engineering or design.
Book Synopsis Government Reports Annual Index by :
Download or read book Government Reports Annual Index written by and published by . This book was released on 1986 with total page 1336 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis The SIMD Model of Parallel Computation by : Robert Cypher
Download or read book The SIMD Model of Parallel Computation written by Robert Cypher and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 153 pages. Available in PDF, EPUB and Kindle. Book excerpt: 1.1 Background There are many paradigmatic statements in the literature claiming that this is the decade of parallel computation. A great deal of research is being de voted to developing architectures and algorithms for parallel machines with thousands, or even millions, of processors. Such massively parallel computers have been made feasible by advances in VLSI (very large scale integration) technology. In fact, a number of computers having over one thousand pro cessors are commercially available. Furthermore, it is reasonable to expect that as VLSI technology continues to improve, massively parallel computers will become increasingly affordable and common. However, despite the significant progress made in the field, many funda mental issues still remain unresolved. One of the most significant of these is the issue of a general purpose parallel architecture. There is currently a huge variety of parallel architectures that are either being built or proposed. The problem is whether a single parallel computer can perform efficiently on all computing applications.
Download or read book Documentation Abstracts written by and published by . This book was released on 1997 with total page 436 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Government Reports Announcements & Index by :
Download or read book Government Reports Announcements & Index written by and published by . This book was released on 1986-09 with total page 356 pages. Available in PDF, EPUB and Kindle. Book excerpt:
