Improvement of algorithms for dynamical overlap fermions

JLQCD Collaboration: Hideo Matsufuru , Hidenori Fukaya , Shoji Hashimoto , Kazuyuki Kanaya , Takashi Kaneko , Kenji Ogawa , Masataka Okamoto , Tetsuya Onogi

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Norikazu Yamada

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classification ✦ hep-lat

keywords overlapalgorithmsdynamicalfermionslatticeaimingaroundbest

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We investigate the algorithms for dynamical overlap fermions aiming at improving the performance for large-scale simulations. We look for the best combination of Hybrid Monte Carlo options and iterative quark solvers with respect to the numerical costs. Our main target is a $N_f=2$ simulation with overlap fermion on a $16^3\times 32$ lattice at lattice spacing around 0.12 fm.

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Improvement of algorithms for dynamical overlap fermions

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