Testing algorithms for critical slowing down
Testing algorithms for critical slowing down
We present the preliminary tests on two modifications of the Hybrid Monte Carlo (HMC) algorithm. Both algorithms are designed to travel much farther in the Hamiltonian phase space for each trajectory and reduce the autocorrelations among physical observables thus tackling the critical slowing down towards the continuum limit. We present a comparison of costs of the new algorithms with the standard HMC evolution for pure gauge fields, studying the autocorrelation times for various quantities including the topological charge.
Cossu, Guido
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Boyle, Peter
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Christ, Norman
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Jung, Chulwoo
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Jüttner, Andreas
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Sanfilippo, Francesco
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26 March 2018
Cossu, Guido
d09be903-90c4-40c9-9fe1-f416f5dc15ce
Boyle, Peter
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Christ, Norman
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Jung, Chulwoo
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Jüttner, Andreas
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Sanfilippo, Francesco
14276d98-365a-4c37-a808-f4e9aff31fdc
Cossu, Guido, Boyle, Peter, Christ, Norman, Jung, Chulwoo, Jüttner, Andreas and Sanfilippo, Francesco
(2018)
Testing algorithms for critical slowing down.
EPJ Web of Conferences, 175, [02008].
(doi:10.1051/epjconf/201817502008).
Abstract
We present the preliminary tests on two modifications of the Hybrid Monte Carlo (HMC) algorithm. Both algorithms are designed to travel much farther in the Hamiltonian phase space for each trajectory and reduce the autocorrelations among physical observables thus tackling the critical slowing down towards the continuum limit. We present a comparison of costs of the new algorithms with the standard HMC evolution for pure gauge fields, studying the autocorrelation times for various quantities including the topological charge.
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epjconf_lattice2018_02008
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e-pub ahead of print date: 26 March 2018
Published date: 26 March 2018
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Local EPrints ID: 420065
URI: http://eprints.soton.ac.uk/id/eprint/420065
ISSN: 2101-6275
PURE UUID: 7b6baf2b-9ec6-47d1-b726-ec8df04e99d0
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Date deposited: 26 Apr 2018 16:30
Last modified: 18 Mar 2024 02:59
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Author:
Guido Cossu
Author:
Peter Boyle
Author:
Norman Christ
Author:
Chulwoo Jung
Author:
Francesco Sanfilippo
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