Comparison of Multi-quark Matrix Inversion Algorithms

Details Comparison of Multi-quark Matrix Inversion Algorithms Comparison of Multi-quark Matrix Inversion Algorithms

1996-11-07

arxiv.org/abs/hep-lat/9611009v1

Nucl.Phys.Proc.Suppl. 53 (1997) 993-996

Physics

High Energy Physics

High Energy Physics - Lattice

4 pages, Latex, 6 figures, UK/96-13, poster at Lattice '96

Scientific paper

10.1016/S0920-5632(96)00837-7

We test iterative algorithms, MR, QMR$\gamma_5$ and BiCG$\gamma_5$, to
compare their efficiency in matrix inversion with multi-quarks (shifted
matrices) within one iteration process. Our results on the 8^3 x 12 and
16^3 x 24 show that MR admits multi-quark calculation with less memory
requirement, whereas QMR is faster for the single quark calculation.

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