TOPOLOGY DEPENDENCE IN LATTICE SIMULATIONS OF NON-LINEAR PDES ON A MIMD COMPUTER

P. Valin, B. Goulard and M. Sanielevici
Additional contact information
P. Valin: Laboratoire de Physique Nucléaire Université de Montréal, C.P. 6128, succ. Centre-Ville, Montréal, H3C 3J7, Canada
B. Goulard: Laboratoire de Physique Nucléaire Université de Montréal, C.P. 6128, succ. Centre-Ville, Montréal, H3C 3J7, Canada
M. Sanielevici: Centre de Recherches Mathématiques Université de Montréal, C.P. 6128, succ. Centre-Ville, Montréal, H3C 3J7, Canada

International Journal of Modern Physics C (IJMPC), 1994, vol. 05, issue 06, 957-971

Abstract: We tested the parallelization of explicit schemes for the solution of non-linear classical field theories of complex scalar fields which are capable of simulating hadronic collisions. Our attention focused on collisions in a fractional model with a particularly rich inelastic spectrum of final states. Relativistic collisions of all types were performed by computer on large lattices (64 to 256 sites per dimension). The stability and accuracy of the objects were tested by the use of two other methods of solutions: Pseudo-spectral and semi-implicit. Parallelization of the Fortran code on a 64-transputer MIMD Volvox machine revealed, for certain topologies, communication deadlock and less-than-optimum routing strategies when the number of transputers used was less than the maximum. The observed speedup, for N transputers in an appropriate topology, is shown to scale approximately as N, but the overall gain in execution speed, for physically interesting problems, is a modest 2–3 when compared to state-of-the-art workstations.

Keywords: Solitons; Integration Schemes; MIMD Computer (search for similar items in EconPapers)
Date: 1994
References: Add references at CitEc
Citations:

Downloads: (external link)
http://www.worldscientific.com/doi/abs/10.1142/S0129183194001070
Access to full text is restricted to subscribers

Related works:
This item may be available elsewhere in EconPapers: Search for items with the same title.

Export reference: BibTeX RIS (EndNote, ProCite, RefMan) HTML/Text

Persistent link: https://EconPapers.repec.org/RePEc:wsi:ijmpcx:v:05:y:1994:i:06:n:s0129183194001070

Ordering information: This journal article can be ordered from

DOI: 10.1142/S0129183194001070

Access Statistics for this article

International Journal of Modern Physics C (IJMPC) is currently edited by H. J. Herrmann

More articles in International Journal of Modern Physics C (IJMPC) from World Scientific Publishing Co. Pte. Ltd.
Bibliographic data for series maintained by Tai Tone Lim ().