Data Centric Parallel Debugging Technique For Petascale Computers
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Data Centric Parallel Debugging Technique For Petascale Computers
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Author : Minh Ngoc Dinh
language : en
Publisher:
Release Date : 2012
Data Centric Parallel Debugging Technique For Petascale Computers written by Minh Ngoc Dinh and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2012 with categories.
Petascale computers and computing systems have the potential to solve large-scale, data-intensive problems in science and engineering. Petascale scientific applications, such as the Weather Research and Forecasting Model (WRF), involve enormous multi-dimensional data structures and operate with hundreds of thousands of concurrent processing threads. On the one hand, programming languages and environments have evolved significantly to support parallel application developers to explore the advantages in terms of computational power and memory usage. Co-array Fortran, Split-C, MPI and OpenMP are some successful examples. On the other hand, debugging tools for highly parallel software are still immature, especially in techniques for controlling multiple processes and monitoring large scale data structures during debugging time. Typically, contemporary parallel debuggers allow users to control more than one processing thread while supporting the same examination and visualisation operations that of sequential debuggers. This approach restricts the use of parallel debuggers when it comes to large scale scientific applications run across hundreds of thousands compute cores. First, manually observing the runtime data to detect error becomes impractical because the data is too big. Second, performing expensive but useful debugging operations, such as distributed expression evaluation, becomes infeasible as the computational codes become more complex, involving larger data structures, and as the machines become larger.This thesis explores the idea of a data-centric debugging approach, which could be used to make parallel debuggers more powerful. It discusses the use of ad-hoc debug-time assertions that allow a user to reason about the state of a parallel computation. These assertions are modeled on programming language systems that support the verification and validation of program state as a whole rather than focusing on that of only a single process state. The advantage of this approach is the capability to reason about the massive data structure at runtime. Furthermore, on parallel machines, the debugger's performance can be improved by exploiting the underlying parallel platform. The available compute cores can execute parallel debugging functions while idling at a program breakpoint.
Parallel Computing
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Author : Barbara Chapman
language : en
Publisher: IOS Press
Release Date : 2010
Parallel Computing written by Barbara Chapman and has been published by IOS Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2010 with Computers categories.
From Multicores and GPUs to Petascale. Parallel computing technologies have brought dramatic changes to mainstream computing the majority of todays PCs, laptops and even notebooks incorporate multiprocessor chips with up to four processors. Standard components are increasingly combined with GPUs Graphics Processing Unit, originally designed for high-speed graphics processing, and FPGAs Free Programmable Gate Array to build parallel computers with a wide spectrum of high-speed processing functions. The scale of this powerful hardware is limited only by factors such as energy consumption and thermal control. However, in addition to"
Petascale Computing
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Author : David A. Bader
language : en
Publisher: CRC Press
Release Date : 2007-12-22
Petascale Computing written by David A. Bader and has been published by CRC Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2007-12-22 with Computers categories.
Although the highly anticipated petascale computers of the near future will perform at an order of magnitude faster than today's quickest supercomputer, the scaling up of algorithms and applications for this class of computers remains a tough challenge. From scalable algorithm design for massive concurrency toperformance analyses and scientific vis
Contemporary High Performance Computing
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Author : Jeffrey S. Vetter
language : en
Publisher: CRC Press
Release Date : 2019-04-30
Contemporary High Performance Computing written by Jeffrey S. Vetter and has been published by CRC Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2019-04-30 with Computers categories.
Contemporary High Performance Computing: From Petascale toward Exascale, Volume 3 focuses on the ecosystems surrounding the world’s leading centers for high performance computing (HPC). It covers many of the important factors involved in each ecosystem: computer architectures, software, applications, facilities, and sponsors. This third volume will be a continuation of the two previous volumes, and will include other HPC ecosystems using the same chapter outline: description of a flagship system, major application workloads, facilities, and sponsors. Features: Describes many prominent, international systems in HPC from 2015 through 2017 including each system’s hardware and software architecture Covers facilities for each system including power and cooling Presents application workloads for each site Discusses historic and projected trends in technology and applications Includes contributions from leading experts Designed for researchers and students in high performance computing, computational science, and related areas, this book provides a valuable guide to the state-of-the art research, trends, and resources in the world of HPC.
Encyclopedia Of Geology
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Author :
language : en
Publisher: Academic Press
Release Date : 2020-12-16
Encyclopedia Of Geology written by and has been published by Academic Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2020-12-16 with Science categories.
Encyclopedia of Geology, Second Edition presents in six volumes state-of-the-art reviews on the various aspects of geologic research, all of which have moved on considerably since the writing of the first edition. New areas of discussion include extinctions, origins of life, plate tectonics and its influence on faunal provinces, new types of mineral and hydrocarbon deposits, new methods of dating rocks, and geological processes. Users will find this to be a fundamental resource for teachers and students of geology, as well as researchers and non-geology professionals seeking up-to-date reviews of geologic research. Provides a comprehensive and accessible one-stop shop for information on the subject of geology, explaining methodologies and technical jargon used in the field Highlights connections between geology and other physical and biological sciences, tackling research problems that span multiple fields Fills a critical gap of information in a field that has seen significant progress in past years Presents an ideal reference for a wide range of scientists in earth and environmental areas of study
Parallel Science And Engineering Applications
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Author : Laxmikant V. Kale
language : en
Publisher: CRC Press
Release Date : 2016-04-19
Parallel Science And Engineering Applications written by Laxmikant V. Kale and has been published by CRC Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2016-04-19 with Mathematics categories.
Developed in the context of science and engineering applications, with each abstraction motivated by and further honed by specific application needs, Charm++ is a production-quality system that runs on almost all parallel computers available. Parallel Science and Engineering Applications: The Charm++ Approach surveys a diverse and scalable collecti
Programming Massively Parallel Processors
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Author : David B. Kirk
language : en
Publisher: Newnes
Release Date : 2012-12-31
Programming Massively Parallel Processors written by David B. Kirk and has been published by Newnes this book supported file pdf, txt, epub, kindle and other format this book has been release on 2012-12-31 with Computers categories.
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
Applied Parallel Computing
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Author : Yuefan Deng
language : en
Publisher: World Scientific
Release Date : 2013
Applied Parallel Computing written by Yuefan Deng and has been published by World Scientific this book supported file pdf, txt, epub, kindle and other format this book has been release on 2013 with Computers categories.
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.
Gpu Computing Gems Jade Edition
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Author : Wen-mei Hwu
language : en
Publisher: Elsevier
Release Date : 2011-09-28
Gpu Computing Gems Jade Edition written by Wen-mei Hwu and has been published by Elsevier this book supported file pdf, txt, epub, kindle and other format this book has been release on 2011-09-28 with Computers categories.
"Since the introduction of CUDA in 2007, more than 100 million computers with CUDA capable GPUs have been shipped to end users. GPU computing application developers can now expect their application to have a mass market. With the introduction of OpenCL in 2010, researchers can now expect to develop GPU applications that can run on hardware from multiple vendors"--
High Performance Computing For Structural Mechanics And Earthquake Tsunami Engineering
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Author : Shinobu Yoshimura
language : en
Publisher: Springer
Release Date : 2015-10-26
High Performance Computing For Structural Mechanics And Earthquake Tsunami Engineering written by Shinobu Yoshimura and has been published by Springer this book supported file pdf, txt, epub, kindle and other format this book has been release on 2015-10-26 with Science categories.
Huge earthquakes and tsunamis have caused serious damage to important structures such as civil infrastructure elements, buildings and power plants around the globe. To quantitatively evaluate such damage processes and to design effective prevention and mitigation measures, the latest high-performance computational mechanics technologies, which include telascale to petascale computers, can offer powerful tools. The phenomena covered in this book include seismic wave propagation in the crust and soil, seismic response of infrastructure elements such as tunnels considering soil-structure interactions, seismic response of high-rise buildings, seismic response of nuclear power plants, tsunami run-up over coastal towns and tsunami inundation considering fluid-structure interactions. The book provides all necessary information for addressing these phenomena, ranging from the fundamentals of high-performance computing for finite element methods, key algorithms of accurate dynamic structural analysis, fluid flows with free surfaces, and fluid-structure interactions, to practical applications with detailed simulation results. The book will offer essential insights for researchers and engineers working in the field of computational seismic/tsunami engineering.