Using OpenMP—The Next Step: Affinity, Accelerators, Tasking, and SIMD

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Ruud van der Pas (Distinguished Engineer In the SPARC Processor Organization, SPARC Microelectronics, Oracle) Eric Stotzer (Distinguished Member Technical Staff, Texas Instruments, Inc.)

Using OpenMP—The Next Step

Affinity, Accelerators, Tasking, and SIMD

Ruud van der Pas (Distinguished Engineer In the SPARC Processor Organization, SPARC Microelectronics, Oracle), Eric Stotzer (Distinguished Member Technical Staff, Texas Instruments, Inc.), Christian Terboven (HPC Group Manager, RWTH Aachen University (IT Center)) , William Gropp (Thomas M. Siebel Chair, University of Illinois Urbana-Champaign)

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English

MIT Press
20 October 2017

Grid & parallel computing; Computer science

Series: Using OpenMP—The Next Step

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.

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.

By: Ruud van der Pas (Distinguished Engineer In the SPARC Processor Organization SPARC Microelectronics Oracle), Eric Stotzer (Distinguished Member Technical Staff, Texas Instruments, Inc.), Christian Terboven (HPC Group Manager, RWTH Aachen University (IT Center))
Series edited by: William Gropp (Thomas M. Siebel Chair University of Illinois Urbana-Champaign), Ewing Lusk (Argonne Distinguished Fellow Emeritus, Argonne National Laboratory)
Imprint: MIT Press
Country of Publication: United States
Dimensions: Height: 229mm, Width: 203mm, Spine: 19mm
ISBN: 9780262534789
ISBN 10: 0262534789
Series: Using OpenMP—The Next Step
Pages: 392
Publication Date: 20 October 2017
Recommended Age: From 18 years
Audience: Professional and scholarly , Undergraduate
Format: Paperback
Publisher's Status: Active

Ruud van der Pas is Distinguished Engineer in the SPARC Processor Organization at Oracle and coauthor of Using OpenMP- Portable Shared Memory Parallel Programming. Eric Stotzer is a Distinguished Member Technical Staff at Texas Instruments. Christian Terboven is the HPC Group Manager at RWTH Aachen University, Germany. He has been a member of the OpenMP Language Committee since 2006 and serves as the Chair of the Affinity subcommittee.