Algorithmic Differentiation Of Pragma Defined Parallel Regions

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Algorithmic Differentiation of Pragma-Defined Parallel Regions

Author : Michael Förster
Publisher : Springer
ISBN 13 : 365807597X
Total Pages : 411 pages
Book Rating : 4.6/5 (58 download)

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Book Synopsis Algorithmic Differentiation of Pragma-Defined Parallel Regions by : Michael Förster

Download or read book Algorithmic Differentiation of Pragma-Defined Parallel Regions written by Michael Förster and published by Springer. This book was released on 2014-10-09 with total page 411 pages. Available in PDF, EPUB and Kindle. Book excerpt: Numerical programs often use parallel programming techniques such as OpenMP to compute the program's output values as efficient as possible. In addition, derivative values of these output values with respect to certain input values play a crucial role. To achieve code that computes not only the output values simultaneously but also the derivative values, this work introduces several source-to-source transformation rules. These rules are based on a technique called algorithmic differentiation. The main focus of this work lies on the important reverse mode of algorithmic differentiation. The inherent data-flow reversal of the reverse mode must be handled properly during the transformation. The first part of the work examines the transformations in a very general way since pragma-based parallel regions occur in many different kinds such as OpenMP, OpenACC, and Intel Phi. The second part describes the transformation rules of the most important OpenMP constructs.

Euro-Par 2013: Parallel Processing

Author : Felix Wolf
Publisher : Springer
ISBN 13 : 3642400477
Total Pages : 915 pages
Book Rating : 4.6/5 (424 download)

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Book Synopsis Euro-Par 2013: Parallel Processing by : Felix Wolf

Download or read book Euro-Par 2013: Parallel Processing written by Felix Wolf and published by Springer. This book was released on 2013-07-20 with total page 915 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book constitutes the refereed proceedings of the 19th International Conference on Parallel and Distributed Computing, Euro-Par 2013, held in Aachen, Germany, in August 2013. The 70 revised full papers presented were carefully reviewed and selected from 261 submissions. The papers are organized in 16 topical sections: support tools and environments; performance prediction and evaluation; scheduling and load balancing; high-performance architectures and compilers; parallel and distributed data management; grid, cluster and cloud computing; peer-to-peer computing; distributed systems and algorithms; parallel and distributed programming; parallel numerical algorithms; multicore and manycore programming; theory and algorithms for parallel computation; high performance networks and communication; high performance and scientific applications; GPU and accelerator computing; and extreme-scale computing.

Automatic Differentiation of Parallel Programs

Author : Paul Dennis Hovland
Publisher :
ISBN 13 :
Total Pages : 124 pages
Book Rating : 4.:/5 (31 download)

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Book Synopsis Automatic Differentiation of Parallel Programs by : Paul Dennis Hovland

Download or read book Automatic Differentiation of Parallel Programs written by Paul Dennis Hovland and published by . This book was released on 1997 with total page 124 pages. Available in PDF, EPUB and Kindle. Book excerpt: Abstract: "There are many areas of computational science in which it is necessary or desirable to compute derivatives. Automatic differentiation (AD) tools such as ADIFOR and ADIC have proven very useful for developing derivative code for programs written in Fortran and C. However, many scientific applications are written for or ported to parallel platforms to maximize performance. We have developed tools and techniques for applying AD to parallel programs, paying special attention to message- passing parallel programs. We list several potential problems that arise in differentiating parallel programs and present solutions for each of them. Some of the issues concern the correctness of the generated code, whereas others concern performance. While many of the issues have analogues in sequential programs, the solution is often quite different. In addition, some new concerns arise that are unique to parallel programs. We also describe how the tools and techniques developed to enable AD of parallel programs were applied to a variety of applications, ranging from a simple test problem to a parallel molecular dynamics application. The results confirm the need for and efficacy of several techniques. They also verify the prediction that the program generated by AD will generally demonstrate better speedup and scalability than the original program. We conclude with some brief remarks on how AD can be applied to other types of parallel programs and a description of how this work relates to other research in the areas of AD and scientific computing."

Using OpenMP#The Next Step

Author : Ruud Van Der Pas
Publisher : MIT Press
ISBN 13 : 0262344025
Total Pages : 392 pages
Book Rating : 4.2/5 (623 download)

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Book Synopsis Using OpenMP#The Next Step by : Ruud Van Der Pas

Download or read book Using OpenMP#The Next Step written by Ruud Van Der Pas and published by MIT Press. This book was released on 2017-10-30 with total page 392 pages. Available in PDF, EPUB and Kindle. Book excerpt: A guide to the most recent, advanced features of the widely used OpenMP parallel programming model, with coverage of major features in OpenMP 4.5. This book offers an up-to-date, practical tutorial on advanced features in the widely used OpenMP parallel programming model. Building on the previous volume, Using OpenMP: Portable Shared Memory Parallel Programming (MIT Press), this book goes beyond the fundamentals to focus on what has been changed and added to OpenMP since the 2.5 specifications. It emphasizes four major and advanced areas: thread affinity (keeping threads close to their data), accelerators (special hardware to speed up certain operations), tasking (to parallelize algorithms with a less regular execution flow), and SIMD (hardware assisted operations on vectors). As in the earlier volume, the focus is on practical usage, with major new features primarily introduced by example. Examples are restricted to C and C++, but are straightforward enough to be understood by Fortran programmers. After a brief recap of OpenMP 2.5, the book reviews enhancements introduced since 2.5. It then discusses in detail tasking, a major functionality enhancement; Non-Uniform Memory Access (NUMA) architectures, supported by OpenMP; SIMD, or Single Instruction Multiple Data; heterogeneous systems, a new parallel programming model to offload computation to accelerators; and the expected further development of OpenMP.

High Performance Parallelism Pearls Volume Two

Author : Jim Jeffers
Publisher : Morgan Kaufmann
ISBN 13 : 012803890X
Total Pages : 574 pages
Book Rating : 4.1/5 (28 download)

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Book Synopsis High Performance Parallelism Pearls Volume Two by : Jim Jeffers

Download or read book High Performance Parallelism Pearls Volume Two written by Jim Jeffers and published by Morgan Kaufmann. This book was released on 2015-07-28 with total page 574 pages. Available in PDF, EPUB and Kindle. Book excerpt: High Performance Parallelism Pearls Volume 2 offers another set of examples that demonstrate how to leverage parallelism. Similar to Volume 1, the techniques included here explain how to use processors and coprocessors with the same programming – illustrating the most effective ways to combine Xeon Phi coprocessors with Xeon and other multicore processors. The book includes examples of successful programming efforts, drawn from across industries and domains such as biomed, genetics, finance, manufacturing, imaging, and more. Each chapter in this edited work includes detailed explanations of the programming techniques used, while showing high performance results on both Intel Xeon Phi coprocessors and multicore processors. Learn from dozens of new examples and case studies illustrating "success stories" demonstrating not just the features of Xeon-powered systems, but also how to leverage parallelism across these heterogeneous systems. Promotes write-once, run-anywhere coding, showing how to code for high performance on multicore processors and Xeon Phi Examples from multiple vertical domains illustrating real-world use of Xeon Phi coprocessors Source code available for download to facilitate further exploration

High Performance Computing

Author : Esteban Meneses
Publisher : Springer
ISBN 13 : 3030162052
Total Pages : 338 pages
Book Rating : 4.0/5 (31 download)

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Book Synopsis High Performance Computing by : Esteban Meneses

Download or read book High Performance Computing written by Esteban Meneses and published by Springer. This book was released on 2019-03-30 with total page 338 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book constitutes the proceedings of the 5th Latin American Conference, CARLA 2018, held in Bucaramanga, Colombia, in September 2018. The 24 papers presented in this volume were carefully reviewed and selected from 38 submissions. They are organized in topical sections on: Artificial Intelligence; Accelerators; Applications; Performance Evaluation; Platforms and Infrastructures; Cloud Computing.

Applied Parallel and Scientific Computing

Author : Pekka Manninen
Publisher : Springer
ISBN 13 : 3642368034
Total Pages : 569 pages
Book Rating : 4.6/5 (423 download)

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Book Synopsis Applied Parallel and Scientific Computing by : Pekka Manninen

Download or read book Applied Parallel and Scientific Computing written by Pekka Manninen and published by Springer. This book was released on 2013-02-12 with total page 569 pages. Available in PDF, EPUB and Kindle. Book excerpt: This volume constitutes the refereed proceedings of the 11th International Conference on Applied Parallel and Scientific Computing, PARA 2012, held in Helsinki, Finland, in June 2012. The 35 revised full papers presented were selected from numerous submissions and are organized in five technical sessions covering the topics of advances in HPC applications, parallel algorithms, performance analyses and optimization, application of parallel computing in industry and engineering, and HPC interval methods. In addition, three of the topical minisymposia are described by a corresponding overview article on the minisymposia topic. In order to cover the state-of-the-art of the field, at the end of the book a set of abstracts describe some of the conference talks not elaborated into full articles.

Using OpenMP

Author : Barbara Chapman
Publisher : MIT Press
ISBN 13 : 0262533022
Total Pages : 378 pages
Book Rating : 4.2/5 (625 download)

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Book Synopsis Using OpenMP by : Barbara Chapman

Download or read book Using OpenMP written by Barbara Chapman and published by MIT Press. This book was released on 2007-10-12 with total page 378 pages. Available in PDF, EPUB and Kindle. Book excerpt: A comprehensive overview of OpenMP, the standard application programming interface for shared memory parallel computing—a reference for students and professionals. "I hope that readers will learn to use the full expressibility and power of OpenMP. This book should provide an excellent introduction to beginners, and the performance section should help those with some experience who want to push OpenMP to its limits." —from the foreword by David J. Kuck, Intel Fellow, Software and Solutions Group, and Director, Parallel and Distributed Solutions, Intel Corporation OpenMP, a portable programming interface for shared memory parallel computers, was adopted as an informal standard in 1997 by computer scientists who wanted a unified model on which to base programs for shared memory systems. OpenMP is now used by many software developers; it offers significant advantages over both hand-threading and MPI. Using OpenMP offers a comprehensive introduction to parallel programming concepts and a detailed overview of OpenMP. Using OpenMP discusses hardware developments, describes where OpenMP is applicable, and compares OpenMP to other programming interfaces for shared and distributed memory parallel architectures. It introduces the individual features of OpenMP, provides many source code examples that demonstrate the use and functionality of the language constructs, and offers tips on writing an efficient OpenMP program. It describes how to use OpenMP in full-scale applications to achieve high performance on large-scale architectures, discussing several case studies in detail, and offers in-depth troubleshooting advice. It explains how OpenMP is translated into explicitly multithreaded code, providing a valuable behind-the-scenes account of OpenMP program performance. Finally, Using OpenMP considers trends likely to influence OpenMP development, offering a glimpse of the possibilities of a future OpenMP 3.0 from the vantage point of the current OpenMP 2.5. With multicore computer use increasing, the need for a comprehensive introduction and overview of the standard interface is clear. Using OpenMP provides an essential reference not only for students at both undergraduate and graduate levels but also for professionals who intend to parallelize existing codes or develop new parallel programs for shared memory computer architectures.

Advances in Automatic Differentiation

Author : Christian H. Bischof
Publisher : Springer Science & Business Media
ISBN 13 : 3540689427
Total Pages : 366 pages
Book Rating : 4.5/5 (46 download)

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Book Synopsis Advances in Automatic Differentiation by : Christian H. Bischof

Download or read book Advances in Automatic Differentiation written by Christian H. Bischof and published by Springer Science & Business Media. This book was released on 2008-08-17 with total page 366 pages. Available in PDF, EPUB and Kindle. Book excerpt: The Fifth International Conference on Automatic Differentiation held from August 11 to 15, 2008 in Bonn, Germany, is the most recent one in a series that began in Breckenridge, USA, in 1991 and continued in Santa Fe, USA, in 1996, Nice, France, in 2000 and Chicago, USA, in 2004. The 31 papers included in these proceedings re?ect the state of the art in automatic differentiation (AD) with respect to theory, applications, and tool development. Overall, 53 authors from institutions in 9 countries contributed, demonstrating the worldwide acceptance of AD technology in computational science. Recently it was shown that the problem underlying AD is indeed NP-hard, f- mally proving the inherently challenging nature of this technology. So, most likely, no deterministic “silver bullet” polynomial algorithm can be devised that delivers optimum performance for general codes. In this context, the exploitation of doma- speci?c structural information is a driving issue in advancing practical AD tool and algorithm development. This trend is prominently re?ected in many of the pub- cations in this volume, not only in a better understanding of the interplay of AD and certain mathematical paradigms, but in particular in the use of hierarchical AD approaches that judiciously employ general AD techniques in application-speci?c - gorithmic harnesses. In this context, the understanding of structures such as sparsity of derivatives, or generalizations of this concept like scarcity, plays a critical role, in particular for higher derivative computations.

Euro-Par 2010, Parallel Processing Workshops

Author : Mario R. Guarracino
Publisher : Springer Science & Business Media
ISBN 13 : 3642218776
Total Pages : 684 pages
Book Rating : 4.6/5 (422 download)

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Book Synopsis Euro-Par 2010, Parallel Processing Workshops by : Mario R. Guarracino

Download or read book Euro-Par 2010, Parallel Processing Workshops written by Mario R. Guarracino and published by Springer Science & Business Media. This book was released on 2011-06-24 with total page 684 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book constitutes thoroughly refereed post-conference proceedings of the workshops of the 16th International Conference on Parallel Computing, Euro-Par 2010, held in Ischia, Italy, in August/September 2010. The papers of these 9 workshops HeteroPar, HPCC, HiBB, CoreGrid, UCHPC, HPCF, PROPER, CCPI, and VHPC focus on promotion and advancement of all aspects of parallel and distributed computing.

Applied Parallel Computing

Author : Yuefan Deng
Publisher : World Scientific
ISBN 13 : 9814307602
Total Pages : 218 pages
Book Rating : 4.8/5 (143 download)

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Book Synopsis Applied Parallel Computing by : Yuefan Deng

Download or read book Applied Parallel Computing written by Yuefan Deng and published by World Scientific. This book was released on 2013 with total page 218 pages. Available in PDF, EPUB and Kindle. Book excerpt: The book provides a practical guide to computational scientists and engineers to help advance their research by exploiting the superpower of supercomputers with many processors and complex networks. This book focuses on the design and analysis of basic parallel algorithms, the key components for composing larger packages for a wide range of applications.

Programming Your GPU with OpenMP

Author : Tom Deakin
Publisher : MIT Press
ISBN 13 : 026237773X
Total Pages : 332 pages
Book Rating : 4.2/5 (623 download)

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Book Synopsis Programming Your GPU with OpenMP by : Tom Deakin

Download or read book Programming Your GPU with OpenMP written by Tom Deakin and published by MIT Press. This book was released on 2023-11-07 with total page 332 pages. Available in PDF, EPUB and Kindle. Book excerpt: The essential guide for writing portable, parallel programs for GPUs using the OpenMP programming model. Today’s computers are complex, multi-architecture systems: multiple cores in a shared address space, graphics processing units (GPUs), and specialized accelerators. To get the most from these systems, programs must use all these different processors. In Programming Your GPU with OpenMP, Tom Deakin and Timothy Mattson help everyone, from beginners to advanced programmers, learn how to use OpenMP to program a GPU using just a few directives and runtime functions. Then programmers can go further to maximize performance by using CPUs and GPUs in parallel—true heterogeneous programming. And since OpenMP is a portable API, the programs will run on almost any system. Programming Your GPU with OpenMP shares best practices for writing performance portable programs. Key features include: The most up-to-date APIs for programming GPUs with OpenMP with concepts that transfer to other approaches for GPU programming. Written in a tutorial style that embraces active learning, so that readers can make immediate use of what they learn via provided source code. Builds the OpenMP GPU Common Core to get programmers to serious production-level GPU programming as fast as possible. Additional features: A reference guide at the end of the book covering all relevant parts of OpenMP 5.2. An online repository containing source code for the example programs from the book—provided in all languages currently supported by OpenMP: C, C++, and Fortran. Tutorial videos and lecture slides.

Using MPI

Author : William Gropp
Publisher : MIT Press
ISBN 13 : 9780262571326
Total Pages : 410 pages
Book Rating : 4.5/5 (713 download)

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Book Synopsis Using MPI by : William Gropp

Download or read book Using MPI written by William Gropp and published by MIT Press. This book was released on 1999 with total page 410 pages. Available in PDF, EPUB and Kindle. Book excerpt: The authors introduce the core function of the Message Printing Interface (MPI). This edition adds material on the C++ and Fortran 90 binding for MPI.

Network and Parallel Computing

Author : Ching-Hsien Hsu
Publisher : Springer
ISBN 13 : 3642408206
Total Pages : 431 pages
Book Rating : 4.6/5 (424 download)

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Book Synopsis Network and Parallel Computing by : Ching-Hsien Hsu

Download or read book Network and Parallel Computing written by Ching-Hsien Hsu and published by Springer. This book was released on 2013-09-12 with total page 431 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book constitutes the proceedings of the 10th IFIP International Conference on Network and Parallel Computing, NPC 2013, held in Guiyang, China, in September 2013. The 34 papers presented in this volume were carefully reviewed and selected from 109 submissions. They are organized in topical sections named: parallel programming and algorithms; cloud resource management; parallel architectures; multi-core computing and GPU; and miscellaneous.

Programming Massively Parallel Processors

Author : David B. Kirk
Publisher : Newnes
ISBN 13 : 0123914183
Total Pages : 519 pages
Book Rating : 4.1/5 (239 download)

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Book Synopsis Programming Massively Parallel Processors by : David B. Kirk

Download or read book Programming Massively Parallel Processors written by David B. Kirk and published by Newnes. This book was released on 2012-12-31 with total page 519 pages. Available in PDF, EPUB and Kindle. Book excerpt: 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

Algorithms and Parallel Computing

Author : Fayez Gebali
Publisher : John Wiley & Sons
ISBN 13 : 0470934638
Total Pages : 372 pages
Book Rating : 4.4/5 (79 download)

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Book Synopsis Algorithms and Parallel Computing by : Fayez Gebali

Download or read book Algorithms and Parallel Computing written by Fayez Gebali and published by John Wiley & Sons. This book was released on 2011-03-29 with total page 372 pages. Available in PDF, EPUB and Kindle. Book excerpt: There is a software gap between the hardware potential and the performance that can be attained using today's software parallel program development tools. The tools need manual intervention by the programmer to parallelize the code. Programming a parallel computer requires closely studying the target algorithm or application, more so than in the traditional sequential programming we have all learned. The programmer must be aware of the communication and data dependencies of the algorithm or application. This book provides the techniques to explore the possible ways to program a parallel computer for a given application.

Modern Computational Finance

Author : Antoine Savine
Publisher : John Wiley & Sons
ISBN 13 : 1119539455
Total Pages : 592 pages
Book Rating : 4.1/5 (195 download)

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Book Synopsis Modern Computational Finance by : Antoine Savine

Download or read book Modern Computational Finance written by Antoine Savine and published by John Wiley & Sons. This book was released on 2018-11-20 with total page 592 pages. Available in PDF, EPUB and Kindle. Book excerpt: Arguably the strongest addition to numerical finance of the past decade, Algorithmic Adjoint Differentiation (AAD) is the technology implemented in modern financial software to produce thousands of accurate risk sensitivities, within seconds, on light hardware. AAD recently became a centerpiece of modern financial systems and a key skill for all quantitative analysts, developers, risk professionals or anyone involved with derivatives. It is increasingly taught in Masters and PhD programs in finance. Danske Bank's wide scale implementation of AAD in its production and regulatory systems won the In-House System of the Year 2015 Risk award. The Modern Computational Finance books, written by three of the very people who designed Danske Bank's systems, offer a unique insight into the modern implementation of financial models. The volumes combine financial modelling, mathematics and programming to resolve real life financial problems and produce effective derivatives software. This volume is a complete, self-contained learning reference for AAD, and its application in finance. AAD is explained in deep detail throughout chapters that gently lead readers from the theoretical foundations to the most delicate areas of an efficient implementation, such as memory management, parallel implementation and acceleration with expression templates. The book comes with professional source code in C++, including an efficient, up to date implementation of AAD and a generic parallel simulation library. Modern C++, high performance parallel programming and interfacing C++ with Excel are also covered. The book builds the code step-by-step, while the code illustrates the concepts and notions developed in the book.