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physics.comp-ph2018★ 1 cited
Benefits from using mixed precision computations in the ELPA-AEO and ESSEX-II eigensolver projects
Andreas Alvermann, Achim Basermann, Hans-Joachim Bungartz +30
We first briefly report on the status and recent achievements of the ELPA-AEO (Eigenvalue Solvers for Petaflop Applications - Algorithmic Extensions and Optimizations) and ESSEX II…
cs.MS2018★ 13 cited
Chebyshev Filter Diagonalization on Modern Manycore Processors and GPGPUs
Moritz Kreutzer, Georg Hager, Dominik Ernst +3
Chebyshev filter diagonalization is well established in quantum chemistry and quantum physics to compute bulks of eigenvalues of large sparse matrices. Choosing a block vector impl…