Zobrazeno 1 - 10
of 76
pro vyhledávání: '"N. Eicker"'
Autor:
A. Bishnoi, O. Stein, C. I. Meyer, R. Redler, N. Eicker, H. Haak, L. Hoffmann, D. Klocke, L. Kornblueh, E. Suarez
Publikováno v:
Geoscientific Model Development, Vol 17, Pp 261-273 (2024)
The confrontation of complex Earth system model (ESM) codes with novel supercomputing architectures poses challenges to efficient modeling and job submission strategies. The modular setup of these models naturally fits a modular supercomputing archit
Externí odkaz:
https://doaj.org/article/38c3916033914f39a3f27d46b639c81f
Akademický článek
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Autor:
Robert Edwards, K. Schilling, D. Dolgov, Andrew Pochinsky, D.B. Renner, Richard C. Brower, N. Eicker, Urs M. Heller, S. Capitani, Th. Lippert, John W. Negele
Publikováno v:
Nuclear Physics B - Proceedings Supplements. 94:303-306
Moments of the quark density distribution, moments of the quark helicity distribution, and the tensor charge are calculated in full QCD. Calculations of matrix elements of operators from the operator product expansion have been performed on $16^3 \ti
Autor:
Th. Lippert, Andreas Frommer, B. Medeke, N. Eicker, G. Weuffen, K. Schilling, Wolfgang Bietenholz
Publikováno v:
Computer Physics Communications. 119:1-18
We construct a locally-lexicographic SSOR preconditioner to accelerate the parallel iterative solution of linear systems of equations for two improved discretizations of lattice fermions: the Sheikholeslami-Wohlert scheme where a non-constant block-d
Autor:
N. Eicker, U. Glässner, S. Güsken, H. Hoeber, T. Lippert, G. Ritzenhöfer, K. Schilling, G. Siegert, A. Spitz, P. Ueberholz, J. Viehoff
Publikováno v:
Physics Letters B. 389:720-726
In a full QCD lattice study with $N_f = 2$ Wilson fermions, we seek to optimize the signals for the disconnected contributions to the matrix element of flavour-singlet operators between nucleon states, which are indicative for sea quark effects. We d
Autor:
Boris Orth, M. Pepe, Th. Lippert, K. Schilling, C. Gebert, Ph. de Forcrand, W. Schroers, I. Montvay, N. Eicker, Massimo D'Elia
Publikováno v:
Nuclear Physics B - Proceedings Supplements. :1082-1084
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
Publikováno v:
Nuclear Physics B - Proceedings Supplements. 73:850-852
SSOR preconditioning of fermion matrix inversions which is parallelized using a locally-lexicographic lattice sub-division, has been shown to be very efficient for standard Wilson fermions. We demonstrate here the power of this method for the Sheikho
Autor:
Stefan Solbrig, Thomas Lippert, Nils Meyer, Tilo Wettig, Gianfranco Bilardi, M. Drochner, F. Belletti, Zoltan Fodor, F. Schifano, H. Kaldass, Dieter Hierl, Thomas Streuer, Andrea Nobile, Hubert Simma, T. Maurer, Raffaele Tripiccione, Dirk Pleiter, Andreas Schäfer, N. Eicker
Publikováno v:
Scopus-Elsevier
We evaluate IBM's Enhanced Cell Broadband Engine (BE) as a possible building block of a new generation of lattice QCD machines. The Enhanced Cell BE will provide full support of double-precision floating-point arithmetics, including IEEE-compliant ro
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::69fc43840d74e9786d683510408572ed
http://arxiv.org/abs/0710.2442
http://arxiv.org/abs/0710.2442
Akademický článek
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We apply spectral methods to compute the OZI-rule suppressed loop-loop correlators in the pseudoscalar meson flavour singlet channel. Using SESAM configurations (obtained with two degenerate sea quark flavours on 16x16x16x32 lattices at beta = 5.6 wi
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::b0939a4260f48cae33fa58d9c75020b4