A computational system for lattice QCD with overlap Dirac quarks

Details A computational system for lattice QCD with overlap Dirac quarks A computational system for lattice QCD with overlap Dirac quarks

2002-10-31

arxiv.org/abs/hep-lat/0210053v1

Nucl.Phys.Proc.Suppl.119C:1050-1052,2003

Physics

High Energy Physics

High Energy Physics - Lattice

3 pages, Lattice 2002(machine)

Scientific paper

10.1016/S0920-5632(03)01760-2

We outline the essential features of a Linux PC cluster which is now being developed at National Taiwan University, and discuss how to optimize its hardware and software for lattice QCD with overlap Dirac quarks. At present, the cluster constitutes of 30 nodes, with each node consisting of one Pentium 4 processor (1.6/2.0 GHz), one Gbyte of PC800 RDRAM, one 40/80 Gbyte hard disk, and a network card. The speed of this system is estimated to be 30 Gflops, and its price/performance ratio is better than $1.0/Mflops for 64-bit (double precision) computations in quenched lattice QCD with overlap Dirac quarks.

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