SSOR preconditioning in simulations of the QCD Schrödinger functional

Details SSOR preconditioning in simulations of the QCD Schrödinger functional SSOR preconditioning in simulations of the QCD Schrödinger functional

1999-10-13

arxiv.org/abs/hep-lat/9910024v1

Comput.Phys.Commun. 130 (2000) 12-21

Physics

High Energy Physics

High Energy Physics - Lattice

15 pages, latex2e, 4 Postscript figures, uses packages elsart and epsfig

Scientific paper

10.1016/S0010-4655(00)00012-6

We report on a parallelized implementation of SSOR preconditioning for O(a)
improved lattice QCD with Schr\"odinger functional boundary conditions.
Numerical simulations in the quenched approximation at parameters in the light
quark mass region demonstrate that a performance gain of a factor $\sim$ 1.5
over even-odd preconditioning can be achieved.

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