Algorithms for Domain Wall Fermions

Algorithms for Domain Wall Fermions

We discuss algorithms for domain wall fermions focussing on accelerating Hybrid Monte Carlo sampling of gauge configurations. Firstly a new multigrid algorithm for domain wall solvers and secondly a domain decomposed hybrid monte carlo approach applied to large subvolumes and optimised for GPU accel...

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Veröffentlicht in:arXiv.org 2022-03
Hauptverfasser: Boyle, Peter A, Bollweg, Dennis, Kelly, Christopher, Yamaguchi, Azusa
Format: Artikel
Sprache:eng
Schlagworte:
Algorithms
Domain walls
Fermions
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Zusammenfassung:We discuss algorithms for domain wall fermions focussing on accelerating Hybrid Monte Carlo sampling of gauge configurations. Firstly a new multigrid algorithm for domain wall solvers and secondly a domain decomposed hybrid monte carlo approach applied to large subvolumes and optimised for GPU accelerated nodes. We propose a formulation of DD-RHMC that is suitable for the simulation of odd numbers of fermions.
ISSN:2331-8422