Recent algorithm and machine developments for lattice QCD
Ken-Ichi Ishikawa
TL;DR
This paper reviews recent advancements in algorithms and machine technologies for lattice QCD simulations, focusing on hardware trends and improvements in computational methods for Wilson-type fermions.
Contribution
It provides an overview of recent developments in hardware and algorithms for lattice QCD, highlighting progress in multi-core and GPU computing, and algorithmic enhancements.
Findings
Advances in multi-core and GPU computing for lattice QCD.
Improvements in quark determinant preconditioning and solvers.
Discussion on future prospects with petaflops-scale machines.
Abstract
I review recent machine trends and algorithmic developments for dynamical lattice QCD simulations with the HMC algorithm for Wilson-type fermions. The topics include the trend toward multi-core processors and general purpose GPU (GPGPU) computing, and improvements on the quark determinant preconditioning, molecular dynamics integrator, and quark solvers. I also discuss the prospect on the use of these techniques on the forthcoming petaflops machines.
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Taxonomy
TopicsQuantum Chromodynamics and Particle Interactions · Particle physics theoretical and experimental studies · High-Energy Particle Collisions Research