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"Pas, Ruud van der"
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Using OpenMP
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. Barbara Chapman is Professor of Computer Science at the University of Houston. Gabriele Jost is Principal Member of Technical Staff, Application Server Performance Engineering, at Oracle, Inc. Ruud van der Pas is Senior Staff Engineer at Sun Microsystems, Menlo Park.
eBook
Front Matter
This chapter contains sections titled: Half Title, Title, Copyright, Dedication, Contents, Series Foreword, Foreword, Preface
Book Chapter
Troubleshooting
This chapter contains sections titled: Introduction, Common Misunderstandings and Frequent Errors, Deeper Trouble: More Subtle Problems, Debugging OpenMP Codes, Wrap-Up
Book Chapter
Using OpenMP in the Real World
This chapter contains sections titled: Scalability Challenges for OpenMP, Achieving Scalability on cc-NUMA Architectures, SPMD Programming, Combining OpenMP and Message Passing, Nested OpenMP Parallelism, Performance Analysis of OpenMP Programs, Wrap-Up
Book Chapter
Under the Hood: How OpenMP Really Works
This chapter contains sections titled: Introduction, The Basics of Compilation, OpenMP Translation, The OpenMP Runtime System, Impact of OpenMP on Compiler Optimizations, Wrap-Up
Book Chapter