Algebraic Multi-Grid solver for lattice QCD on Exascale hardware: Intel Xeon Phi

Main Author: A. Abdel-Rehim
Other Authors: G. Koutsou, C. Urbach
Format: info publication-workingpaper Journal
Terbitan: , 2014
Subjects:
QCD
AMG
Online Access: https://zenodo.org/record/822972
Daftar Isi:
  • In this white paper we describe work done on the development of an efficient iterative solver for lattice QCD based on the Algebraic Multi-Grid approach (AMG) within the tmLQCD software suite. This development is aimed at modern computer architectures that will be relevant for the Exa-scale regime, namely multicore processors together with the Intel Xeon Phi coprocessor. Because of the complexity of this solver, implementation turned out to take a considerable effort. Fine tuning and optimization will require more work and will be the subject of further investigation. However, the work presented here provides a necessary initial step in this direction.