1807787354     

High Performance Computing in Science and Engineering : 4th International Conference, HPCSE 2019, Karolinka, Czech Republic, May 20-23, 2019, Revised Selected Papers

Arbenz, Peter [Mitwirkende/Mitwirkender] ; Jaros, Jiří. [Mitwirkende/Mitwirkender] ; Říha, Lubomír [Mitwirkende/Mitwirkender] ; Sístek, Jakub [Mitwirkende/Mitwirkender] ; Tichý, Petr [Mitwirkende/Mitwirkender]

Cham : Springer International Publishing AG, 2021 [©2021]

1 online resource (172 pages)

Englisch

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Erscheint auch als: (Druck-Ausgabe)

978-3-030-67077-1

978-3-030-67076-4 (ISBN der Printausgabe)

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LOC-SH: Computer science-Mathematics

Intro -- Preface -- Organization -- Contents -- Thermal Characterization of a Tier0 Datacenter Room in Normal and Thermal Emergency Conditions -- 1 Introduction and Related Works -- 2 Methodology -- 3 Experimental Results -- 3.1 Spatial Study -- 3.2 Temporal Study -- 3.3 Thermal Emergency -- 4 Conclusion -- References -- Towards Local-Failure Local-Recovery in PDE Frameworks: The Case of Linear Solvers -- 1 Introduction -- 1.1 Motivation -- 1.2 Contribution -- 1.3 Related Work -- 2 Preliminaries -- 2.1 DUNE - The Distributed Unified Numerics Environment -- 2.2 Restoring MPI Communicators with ULFM and Distributed Exceptions -- 2.3 Data-Driven Compression with the SZ Library -- 3 Preparing Iterative Linear Solvers for LFLR -- 3.1 Backup Creation and Compression -- 3.2 Remote Storing of Backups -- 3.3 Recovery Strategies -- 3.4 Recovery of Iterative Solvers -- 4 Implementation for Iterative Solvers in DUNE -- 4.1 Framework Extensions -- 4.2 Modifications for CG and GMRES(m) -- 5 Numerical Examples -- 5.1 Small-Scale Viability Tests -- 5.2 Overhead Quantification at Scale -- 6 Conclusions -- References -- Complexity Analysis of a Fast Directional Matrix-Vector Multiplication -- 1 Introduction -- 2 Derivation of the Fast Directional Method -- 2.1 Box Cluster Trees -- 2.2 A Directional Kernel Approximation -- 2.3 Partitioning of the Matrix -- 2.4 Choice of Directions -- 2.5 Transfer Operations -- 2.6 Main Algorithm -- 2.7 Implementation Details -- 3 Complexity Analysis -- 4 Numerical Examples -- References -- Fast Large-Scale Boundary Element Algorithms -- 1 Introduction -- 2 H2-Matrices -- 3 Hybrid Cross Approximation -- 4 Green Cross Approximation -- 5 Numerical Experiments -- References -- Solving Large-Scale Interior Eigenvalue Problems to Investigate the Vibrational Properties of the Boson Peak Regime in Amorphous Materials -- 1 Introduction.