Supercomputers: where are the lost cycles? - Willi Schönauer; Hartmut Häfner (ICS, 1991)

Performance estimates for supercomputers: the responsibilities of the manufacturer and of the user. - Willi Schönauer; Hartmut Häfner (Parallel Comput., 1991)

The Efficiency of the KSR1 for Numerical Algorithms. - Hartmut Häfner; Willi Schönauer (PARCO, 1993)

Supercomputer Architectures and their Bottlenecks. - Willi Schönauer; Hartmut Häfner (PARCO, 1993)

Explaining the Gap between Theoretical Peak Performance and Real Performance for Supercomputer Architectures. - Willi Schönauer; Hartmut Häfner (Sci. Program., 1994)

Portable Parallelization of the Iterative Linear Solver Package LINSOL. - Hartmut Häfner; Willi Schönauer (PARCO, 1995)

LINSOL, a Parallel Iterative Linear Solver Package of Generalized CG-Type for Sparse Matrices. - Willi Schönauer; Hartmut Häfner; Rüdiger Weiss (PP, 1997)

Parallelization and Integration of the LU and ILU Algorithm in the LINSOL Program Package. - Hartmut Häfner; Willi Schönauer; Rüdiger Weiss (PaCT, 1999)