SSOR preconditioning in simulations of the QCD Schrödinger functional

Abstract

We report on a parallelized implementation of SSOR preconditioning for O(a) improved lattice QCD with Schrödinger 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.

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