Exact Diagonalization of Large Sparse Matrices: A Challenge for Modern Supercomputers

31.05.01

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Inhaltsverzeichnis

Exact Diagonalization of Large Sparse Matrices: A Challenge for Modern Supercomputers

Outline

Physical Motivation: Strongly correlated charge-lattice models

Physical Motivation: From the experiment to supercomputers

Numerics: Exact diagonalization

Numerics: Sparse MVM techniques

Numerics: Numerical core of JDS format

Numerics: Scalability of the implementation

Performance study: Benchmark platforms

Performance study: Single processor characteristics: RISC

Performance study: Single processor characteristics: Vector/SMP

Performance study: CRAY T3E vs. Origin3800

Performance study: CRAY T3E vs. Vector/SMP

Summary

Acknowledgement

Autor: Gerhard Wellein

E-Mail: gerhard.wellein@rrze.uni-erlangen.de