Software for exascale computing -- SPPEXA 2013-2015. (2016)

• Record Type: Book
• Further Information: Note: Hans-Joachim Bungartz, Philipp Neumann, Wolfgang E. Nagel, editors.
• Editors: Bungartz, H.-J (Hans-Joachim); Neumann, Philipp; Nagel, Wolfgang E
• Contents: Preface; Contents; Part I EXA-DUNE: Flexible PDE Solvers, Numerical Methods, and Applications; Hardware-Based Efficiency Advances in the Exa-Dune Project; 1 The Exa-Dune Project; 2 Hybrid Parallelism in DUNE; 2.1 UMA Concept; 3 Assembly; 3.1 Thread Parallel Assembly; 3.2 Higher Order DG Methods; 3.3 Low Order Lagrange Methods; 4 Linear Algebra; 4.1 Efficient Matrix Format for Higher Order DG; 4.2 GPU Accelerated Preconditioners and Strong Smoothers; 5 Outlook; References; Advances Concerning Multiscale Methods and Uncertainty Quantification in Exa-Dune; 1 Introduction. 2 Numerical Multiscale Methods: A Case of Generality2.1 The Multiscale Finite Element Method for Multiscale Elliptic Equations; 2.2 Implementation and Parallelization; 2.3 Hybrid MPI/SMP Implementation; 3 The Multi-level Monte-Carlo Method; 3.1 Principle; 3.2 Implementation; 4 Numerical Experiments; 5 Conclusion; References; Part II ExaStencils: Advanced Stencil-Code Engineering; Systems of Partial Differential Equations in ExaSlang; 1 Introduction; 2 Multigrid Methods; 3 The ExaStencils Approach; 4 The ExaStencils DSL ExaSlang; 4.1 Multi-layered Approach; 4.2 Overview of ExaSlang 4. 4.2.1 Stencils4.2.2 Fields and Layouts; 4.2.3 Data Types, Variables, and Values; 4.2.4 Control Flow; 4.2.5 Level Specifications; 5 Code Generation; 6 Data Types for Systems of Partial Differential Equations; 6.1 Motivation; 6.2 The ExaSlang Data Types; 7 Modifications to the Code Generator; 8 Example Application; 8.1 Theoretical Background; 8.2 Mapping to ExaSlang 4; 8.3 Results; 9 Related Work; 10 Future Work; 11 Conclusions; References; Performance Prediction of Multigrid-Solver Configurations; 1 Introduction; 2 Configurable Multigrid Solvers and the ExaStencils Code Generator. 3 Performance Prediction3.1 Sampling; 3.1.1 Binary Sampling Heuristics; 3.1.2 Experimental Designs; 3.2 Performance-Influence Models; 3.3 Integration of Domain Knowledge; 3.3.1 Shrinking the Configuration Space; 3.3.2 Domain Knowledge on Interactions; 3.3.3 Independent Sampling Strategies and Independent Models; 3.3.4 Integration of Analytical Models; 3.3.5 Models for Disjoint Parts of a System; 4 Evaluation; 4.1 Leveraging Domain Knowledge; 4.1.1 Experimental Setup; 4.1.2 Results and Discussion; 4.2 Code Generator; 4.2.1 Experimental Setup; 4.2.2 Results and Discussion. 4.3 Threats to Validity5 Related Work; 6 Conclusion and Future Work; References; Part III EXASTEEL: Bridging Scales for Multiphase Steels; One-Way and Fully-Coupled FE2 Methods for Heterogeneous Elasticity and Plasticity Problems: Parallel Scalability and an Application to Thermo-Elastoplasticity of Dual-Phase Steels; 1 Introduction; 2 Thermodynamic and Continuum Mechanical Framework; 2.1 Incorporation of Thermo-mechanics; 2.2 Implementation Using a Complex Step Derivative Approximation; 3 Framework for Direct-Micro-Macro Computations; 3.1 General Approach.
• Publisher Details: Switzerland : Springer
• Publication Date: 2016
• Extent: 1 online resource, color illustrations
• Subjects: 004.1/1; Computer science; High performance computing; Supercomputers; COMPUTERS / Computer Literacy; COMPUTERS / Computer Science; COMPUTERS / Data Processing; COMPUTERS / Hardware / General; COMPUTERS / Information Technology; COMPUTERS / Machine Theory; COMPUTERS / Reference; High performance computing; Supercomputers; Computers -- Hardware -- General; Computers -- Computer Science; Computers -- Data Transmission Systems -- Electronic Data Interchange; Mathematics -- Applied; Science -- Mathematical Physics; Systems analysis & design; Maths for scientists; Computer networking & communications; Maths for engineers; Mathematical physics; Computer simulation; Operating systems (Computers); Data transmission systems; Engineering mathematics; Computers -- Computer Simulation; Computer modelling & simulation; Electronic books
• Languages: English
• ISBNs: 9783319405285; 3319405284
• Related ISBNs: 9783319405261; 3319405268
• Notes: Note: Includes bibliographical references.
• Access Rights: Legal Deposit; Only available on premises controlled by the deposit library and to one user at any one time; The Legal Deposit Libraries (Non-Print Works) Regulations (UK).
• Access Usage: Restricted: Printing from this resource is governed by The Legal Deposit Libraries (Non-Print Works) Regulations (UK) and UK copyright law currently in force.