The Quest for Light Sea Quarks: Algorithms for the Future
W. Schroers (1), N. Eicker (1), M. D'Elia (2), Ph. de Forcrand (3), C., Gebert (4), Th. Lippert (1), I. Montvay (4), B. Orth (1), M. Pepe (5), K., Schilling (1) ((1) Wuppertal U., (2) Genoa U. & INFN, Genoa, (3) ETH Zurich,, (4) DESY, (5) Paris-Sud U.)
TL;DR
This paper compares the performance of multibosonic and hybrid Monte Carlo algorithms for simulating light sea quarks using Wilson fermions on lattice QCD, aiming to identify more efficient computational methods.
Contribution
It provides the first performance comparison between multibosonic and hybrid Monte Carlo algorithms for Wilson fermions in lattice QCD.
Findings
Multibosonic algorithm shows competitive performance.
Hybrid Monte Carlo remains efficient for large lattices.
Results inform future algorithm choices for simulating light sea quarks.
Abstract
As part of a systematic algorithm study, we present first results on a performance comparison between a multibosonic algorithm and the hybrid Monte Carlo algorithm as employed by the SESAM collaboration. The standard Wilson fermion action is used on 32*16^3 lattices at beta=5.5.
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