Title :
Cluster computing vs. Cray T3E-a case study from numerical field theory
Author :
Arnold, G. ; Eicker, N. ; Lippert, Th ; Schilling, K.
Author_Institution :
Dept. of Phys., Wuppertal Univ., Germany
Abstract :
We compare the performance of a simulation code for lattice quantum electrodynamics, running on the cluster computer ALiCE (Alpha-Linux-Cluster-Engine) and the Cray T3E-1200 system. We present results from simulations using the novel parallelized multicanonical hybrid Monte Carlo algorithm. We merge multicanonical simulation techniques with the hybrid Monte Carlo algorithm to achieve a parallel scheme, and thus to be able to fight the notorious metastabilities by use of high performance parallel computers. We demonstrate for this application field that ALiCE is superior to the Cray T3E-1200 by factors of about 1.3 to 2
Keywords :
Monte Carlo methods; quantum electrodynamics; workstation clusters; Cray T3E; Cray T3E-1200 system; cluster computer ALiCE; cluster computing; hybrid Monte Carlo algorithm; lattice quantum electrodynamics; metastabilities; multicanonical simulation; numerical field theory; parallelized multicanonical hybrid Monte Carlo algorithm; simulation code; simulations; Clustering algorithms; Computational modeling; Computer simulation; Concurrent computing; Electrodynamics; High performance computing; Lattices; Metastasis; Monte Carlo methods; Quantum computing;
Conference_Titel :
Parallel and Distributed Processing, 2001. Proceedings. Ninth Euromicro Workshop on
Conference_Location :
Mantova
Print_ISBN :
0-7695-0987-8
DOI :
10.1109/EMPDP.2001.905077
