Algorithm Shootout: R versus RHMC

Abstract

We present initial results comparing the RHMC and R algorithms on large lattices with small quark masses using chiral fermions. We also present results concerning staggered fermions near the deconfinement/chiral phase transition. We find that the RHMC algorithm not only eliminates the step-size error of the R algorithm, but is also considerably more efficient. We discuss several possibilities for further improvement to the RHMC algorithm.

Proceedings from Lattice 2005 (Dublin)

References in corpus (3)

• Testing and tuning symplectic integrators for Hybrid Monte Carlo algorithm in lattice QCD
• Exact 2+1 flavour RHMC simulations
• Finite dt dependence of the Binder cumulants for 3-flavor QCD at finite temperature and isospin density

Cited by in corpus (4)

• The chiral critical line of N_f=2+1 QCD at zero and non-zero baryon density
• The QCD phase diagram at zero and small baryon density
• Recent algorithm and machine developments for lattice QCD
• The QCD Equation of State