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Download or read book Scheduling Algorithms and Their Performance on Shared Memory Multiprocessors written by and published by . This book was released on 1992 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Stephen W.* Curran
Publisher :
ISBN 13 :
Total Pages : 190 pages
Book Rating : 4.:/5 (223 download)
Download or read book A Simulation Study of Shared-memory Multiprocessor CPU Scheduling Algorithms written by Stephen W.* Curran and published by . This book was released on 1989 with total page 190 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : University of Rochester. Dept. of Computer Science
Publisher :
ISBN 13 :
Total Pages : 296 pages
Book Rating : 4.:/5 (36 download)
Download or read book Scheduling for Locality in Shared-memory Multiprocessors written by University of Rochester. Dept. of Computer Science and published by . This book was released on 1993 with total page 296 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Michel Dubois
Publisher : Springer Science & Business Media
ISBN 13 : 1461536049
Total Pages : 326 pages
Book Rating : 4.4/5 (615 download)
Download or read book Scalable Shared Memory Multiprocessors written by Michel Dubois and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 326 pages. Available in PDF, EPUB and Kindle. Book excerpt: The workshop on Scalable Shared Memory Multiprocessors took place on May 26 and 27 1990 at the Stouffer Madison Hotel in Seattle, Washington as a prelude to the 1990 International Symposium on Computer Architecture. About 100 participants listened for two days to the presentations of 22 invited The motivation for this workshop was to speakers, from academia and industry. promote the free exchange of ideas among researchers working on shared-memory multiprocessor architectures. There was ample opportunity to argue with speakers, and certainly participants did not refrain a bit from doing so. Clearly, the problem of scalability in shared-memory multiprocessors is still a wide-open question. We were even unable to agree on a definition of "scalability". Authors had more than six months to prepare their manuscript, and therefore the papers included in this proceedings are refinements of the speakers' presentations, based on the criticisms received at the workshop. As a result, 17 authors contributed to these proceedings. We wish to thank them for their diligence and care. The contributions in these proceedings can be partitioned into four categories 1. Access Order and Synchronization 2. Performance 3. Cache Protocols and Architectures 4. Distributed Shared Memory Particular topics on which new ideas and results are presented in these proceedings include: efficient schemes for combining networks, formal specification of shared memory models, correctness of trace-driven simulations,synchronization, various coherence protocols, .
Author : University of Rochester. Department of Computer Science
Publisher :
ISBN 13 :
Total Pages : 0 pages
Book Rating : 4.:/5 (289 download)
Download or read book Scheduling for Locality in Shared-memory Multiprocessors written by University of Rochester. Department of Computer Science and published by . This book was released on 1993 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: We conclude that communication overhead need not dominate performance on present or future multiprocessors, given an appropriate programmingmodel, multiprogramming scheduling policy, and user-level decomposition and scheduling algorithms."
Author : Matthias A. Blumrich
Publisher :
ISBN 13 :
Total Pages : 15 pages
Book Rating : 4.:/5 (292 download)
Download or read book An Empirical Comparison of Loop Scheduling Algorithms on a Shared Memory Multiprocessor written by Matthias A. Blumrich and published by . This book was released on 1992 with total page 15 pages. Available in PDF, EPUB and Kindle. Book excerpt: Abstract: "This paper studies several methods of instruction level parallelization applied at the statement level on a shared memory multiprocessor, and reports the results of an empirical evaluation to determine which of the methods yields the best results. Using sequential code as a base case, we compared doacross, list scheduling, greedy software pipelining (a variant of perfect pipelining), and top down scheduling. The experiments were performed on loops both with and without loop carried dependencies. We find that statement level parallelism does yield speedups on the shared memory multiprocessor. In addition, we observed an interesting superlinearity effect for fully vectorized loops."
Author : Princeton University. Department of Computer Science
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (123 download)
Download or read book Empirical Comparison of Loop Scheduling Algorithm on a Shared Memory Multiprocessor written by Princeton University. Department of Computer Science and published by . This book was released on 1992 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Joseph Y-T. Leung
Publisher : CRC Press
ISBN 13 : 0203489802
Total Pages : 1215 pages
Book Rating : 4.2/5 (34 download)
Download or read book Handbook of Scheduling written by Joseph Y-T. Leung and published by CRC Press. This book was released on 2004-04-27 with total page 1215 pages. Available in PDF, EPUB and Kindle. Book excerpt: This handbook provides full coverage of the most recent and advanced topics in scheduling, assembling researchers from all relevant disciplines to facilitate new insights. Presented in six parts, these experts provides introductory material, complete with tutorials and algorithms, then examine classical scheduling problems. Part 3 explores scheduling models that originate in areas such as computer science, operations research. The following section examines scheduling problems that arise in real-time systems. Part 5 discusses stochastic scheduling and queueing networks, and the final section discusses a range of applications in a variety of areas, from airlines to hospitals.
Author : J.J. Dongarra
Publisher : Elsevier
ISBN 13 : 0080553915
Total Pages : 437 pages
Book Rating : 4.0/5 (85 download)
Download or read book High Performance Computing: Technology, Methods and Applications written by J.J. Dongarra and published by Elsevier. This book was released on 1995-09-13 with total page 437 pages. Available in PDF, EPUB and Kindle. Book excerpt: High Performance Computing is an integrated computing environment for solving large-scale computational demanding problems in science, engineering and business. Newly emerging areas of HPC applications include medical sciences, transportation, financial operations and advanced human-computer interface such as virtual reality. High performance computing includes computer hardware, software, algorithms, programming tools and environments, plus visualization. The book addresses several of these key components of high performance technology and contains descriptions of the state-of-the-art computer architectures, programming and software tools and innovative applications of parallel computers. In addition, the book includes papers on heterogeneous network-based computing systems and scalability of parallel systems. The reader will find information and data relative to the two main thrusts of high performance computing: the absolute computational performance and that of providing the most cost effective and affordable computing for science, industry and business. The book is recommended for technical as well as management oriented individuals.
Author : Ian N. Dunn
Publisher : Springer Science & Business Media
ISBN 13 : 1441986502
Total Pages : 114 pages
Book Rating : 4.4/5 (419 download)
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.
Author : Maciej Drozdowski
Publisher : Springer Science & Business Media
ISBN 13 : 184882310X
Total Pages : 395 pages
Book Rating : 4.8/5 (488 download)
Download or read book Scheduling for Parallel Processing written by Maciej Drozdowski and published by Springer Science & Business Media. This book was released on 2010-03-14 with total page 395 pages. Available in PDF, EPUB and Kindle. Book excerpt: Overview and Goals This book is dedicated to scheduling for parallel processing. Presenting a research ?eld as broad as this one poses considerable dif?culties. Scheduling for parallel computing is an interdisciplinary subject joining many ?elds of science and te- nology. Thus, to understand the scheduling problems and the methods of solving them it is necessary to know the limitations in related areas. Another dif?culty is that the subject of scheduling parallel computations is immense. Even simple search in bibliographical databases reveals thousands of publications on this topic. The - versity in understanding scheduling problems is so great that it seems impossible to juxtapose them in one scheduling taxonomy. Therefore, most of the papers on scheduling for parallel processing refer to one scheduling problem resulting from one way of perceiving the reality. Only a few publications attempt to arrange this ?eld of knowledge systematically. In this book we will follow two guidelines. One guideline is a distinction - tween scheduling models which comprise a set of scheduling problems solved by dedicated algorithms. Thus, the aim of this book is to present scheduling models for parallel processing, problems de?ned on the grounds of certain scheduling models, and algorithms solving the scheduling problems. Most of the scheduling problems are combinatorial in nature. Therefore, the second guideline is the methodology of computational complexity theory. Inthisbookwepresentfourexamplesofschedulingmodels. Wewillgodeepinto the models, problems, and algorithms so that after acquiring some understanding of them we will attempt to draw conclusions on their mutual relationships.
Author : Teebu Philip
Publisher :
ISBN 13 :
Total Pages : 18 pages
Book Rating : 4.:/5 (377 download)
Download or read book Evaluation of Loop Scheduling Algorithms on Distributed Memory Systems written by Teebu Philip and published by . This book was released on 1996 with total page 18 pages. Available in PDF, EPUB and Kindle. Book excerpt: Abstract: "Loops are the largest source of parallelism in many applications. All prior DOALL loop scheduling algorithms such as Self- Scheduling, Guided Self-Scheduling, Trapezoid Self-Scheduling, and Factoring try to achieve workload balance through decreasing chunk sizes. Moreover, they have been analyzed only for shared memory platforms. In this work, the prior loop scheduling methods will be evlauated on two distributed memory machines using realistic workloads from the NAS Parallel benchmark suite and Livermore Loop Series. The distributed memory platforms are: a 16 node IBM SP2 and a 16-node nCUBE 2. The experimental results show that these decreasing chunk size methods tend to increase the communication time in distributed memory models by assigning more chunks. In view of these results, two new schemes, called Fixed Increase and Variable Increase, are introduced. Contrary to the earlier techniques, these schemes increase the chunk sizes in order to minimize the scheduling overhead by reducing interprocessor communication. The new algorithms can be implemented by parallel compilers and are scalable over large numbers of processors and iterations. Extensive measurements on both the machines indicate that the increasing chunk size methods can provide better performance than the existing algorithms for almost all workload patterns."
Author : University of Rochester. Dept. of Computer Science
Publisher :
ISBN 13 :
Total Pages : 31 pages
Book Rating : 4.:/5 (36 download)
Download or read book Using Processor Affinity in Loop Scheduling on Shared-memory Multiprocessors written by University of Rochester. Dept. of Computer Science and published by . This book was released on 1992 with total page 31 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Vivek Sarkar
Publisher : Pitman Publishing
ISBN 13 :
Total Pages : 232 pages
Book Rating : 4.:/5 (318 download)
Download or read book Partitioning and Scheduling Parallel Programs for Multiprocessors written by Vivek Sarkar and published by Pitman Publishing. This book was released on 1989 with total page 232 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book is one of the first to address the problem of forming useful parallelism from potential parallelism and to provide a general solution. The book presents two approaches to automatic partitioning and scheduling so that the same parallel program can be made to execute efficiently on widely different multiprocessors. The first approach is based on a macro dataflow model in which the program is partitioned into tasks at compile time and the tasks are scheduled on processors at run time. The second approach is based on a compile time scheduling model, where both the partitioning and scheduling are performed at compile time. Both approaches have been implemented in partition programs written in the single assignment language SISAL. The inputs to the partitioning and scheduling algorithms are a graphical representation of the parallel program and a list of parameters describing the target multiprocessor. Execution profile information is used to derive compile-time estimates of execution times and data sizes in the program. Both the macro dataflow and compile-time scheduling problems are expressed as optimization problems and are shown to be NP complete in the strong sense. Efficient approximation algorithms for these problems are presented. Finally, the effectiveness of the partitioning and scheduling algorithms is studied by multiprocessor simulations of various SISAL benchmark programs for different target multiprocessor parameters. Vivek Sarkar is a Member of Research Staff at the IBM T. J. Watson Research Center. Partitioning and Scheduling Parallel Programs for Multiprocessing is included in the series Research Monographs in Parallel and Distributed Computing. Copublished with Pitman Publishing.
Author : Sivarama Dandamudi
Publisher : Springer Science & Business Media
ISBN 13 : 1461501334
Total Pages : 263 pages
Book Rating : 4.4/5 (615 download)
Download or read book Hierarchical Scheduling in Parallel and Cluster Systems written by Sivarama Dandamudi and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 263 pages. Available in PDF, EPUB and Kindle. Book excerpt: Multiple processor systems are an important class of parallel systems. Over the years, several architectures have been proposed to build such systems to satisfy the requirements of high performance computing. These architectures span a wide variety of system types. At the low end of the spectrum, we can build a small, shared-memory parallel system with tens of processors. These systems typically use a bus to interconnect the processors and memory. Such systems, for example, are becoming commonplace in high-performance graph ics workstations. These systems are called uniform memory access (UMA) multiprocessors because they provide uniform access of memory to all pro cessors. These systems provide a single address space, which is preferred by programmers. This architecture, however, cannot be extended even to medium systems with hundreds of processors due to bus bandwidth limitations. To scale systems to medium range i. e. , to hundreds of processors, non-bus interconnection networks have been proposed. These systems, for example, use a multistage dynamic interconnection network. Such systems also provide global, shared memory like the UMA systems. However, they introduce local and remote memories, which lead to non-uniform memory access (NUMA) architecture. Distributed-memory architecture is used for systems with thousands of pro cessors. These systems differ from the shared-memory architectures in that there is no globally accessible shared memory. Instead, they use message pass ing to facilitate communication among the processors. As a result, they do not provide single address space.
Author : Norihisa Suzuki
Publisher : MIT Press
ISBN 13 : 9780262193221
Total Pages : 534 pages
Book Rating : 4.1/5 (932 download)
Download or read book Shared Memory Multiprocessing written by Norihisa Suzuki and published by MIT Press. This book was released on 1992 with total page 534 pages. Available in PDF, EPUB and Kindle. Book excerpt: Shared memory multiprocessors are becoming the dominant architecture for small-scale parallel computation. This book is the first to provide a coherent review of current research in shared memory multiprocessing in the United States and Japan. It focuses particularly on scalable architecture that will be able to support hundreds of microprocessors as well as on efficient and economical ways of connecting these fast microprocessors. The 20 contributions are divided into sections covering the experience to date with multiprocessors, cache coherency, software systems, and examples of scalable shared memory multiprocessors.
Author : K. G. Langendoen
Publisher :
ISBN 13 :
Total Pages : 218 pages
Book Rating : 4.F/5 ( download)
Download or read book Graph Reduction on Shared-memory Multiprocessors written by K. G. Langendoen and published by . This book was released on 1996 with total page 218 pages. Available in PDF, EPUB and Kindle. Book excerpt:
