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Related papers: Continuing Progress on a Lattice QCD Software Infr…

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I highlight recent progress in cluster computer technology and assess status and prospects of cluster computers for lattice QCD with respect to the development of QCDOC and apeNEXT. Taking the LatFor test case, I specify a 512-processor…

High Energy Physics - Lattice · Physics 2009-11-10 Thomas Lippert

We describe aspects of the Chroma software system for lattice QCD calculations. Chroma is an open source C++ based software system developed using the software infrastructure of the US SciDAC initiative. Chroma interfaces with output from…

High Energy Physics - Lattice · Physics 2008-11-26 Robert G. Edwards , Balint Joo

We give an overview of the QPACE project, which is pursuing the development of a massively parallel, scalable supercomputer for LQCD. The machine is a three-dimensional torus of identical processing nodes, based on the PowerXCell 8i…

We present here the most recent version of FermiQCD, a collection of C++ classes, functions and parallel algorithms for lattice QCD, based on Matrix Distributed Processing. FermiQCD allows fast development of parallel lattice applications…

High Energy Physics - Lattice · Physics 2015-06-25 Massimo Di Pierro

We evaluate IBM's Enhanced Cell Broadband Engine (BE) as a possible building block of a new generation of lattice QCD machines. The Enhanced Cell BE will provide full support of double-precision floating-point arithmetics, including…

mc4qcd is a web based collaboration tool for analysis of Lattice QCD data. Lattice QCD computations consists of a large scale Markov Chain Monte Carlo. Multiple measurements are performed at each MC step. Our system acquires the data by…

High Energy Physics - Lattice · Physics 2011-04-20 Massimo Di Pierro , Yaoqian Zhong , Brian Schinazi

The aim of the CP-PACS project was to develop a massively parallel computer for performing numerical research in computational physics with primary emphasis on lattice QCD. The CP-PACS computer with a peak speed of 614 GFLOPS with 2048…

High Energy Physics - Lattice · Physics 2015-06-25 Y. Iwasaki

The QCD sector of the system SANC is presented. QCD theoretical predictions for several processes of high energy interactions of fundamental particles at the one-loop precision level for up to some 3- and 4-particle processes are…

High Energy Physics - Phenomenology · Physics 2007-06-27 A. Andonov , A. Arbuzov , S. Bondarenko , P. Christova , V. Kolesnikov , R. Sadykov

We present results for the performance of QCD code on ALiCE, the Alpha-Linux Cluster Engine at Wuppertal. We describe the techniques employed to optimise the code, including the metaprogramming of assembler kernels, the effects of data…

High Energy Physics - Lattice · Physics 2009-11-07 Z. Sroczynski

This paper introduces QCDLAB, a design and research tool for lattice QCD algorithms. The tool, a collection of MATLAB functions, is based on a ``small-code'' and a ``minutes-run-time'' algorithmic design philosophy. The present version uses…

High Energy Physics - Lattice · Physics 2007-05-23 Artan Borici

Developing software to undertake complex, compute-intensive scientific processes requires a challenging combination of both specialist domain knowledge and software development skills to convert this knowledge into efficient code. As…

Distributed, Parallel, and Cluster Computing · Computer Science 2013-09-05 Jeremy Cohen , Chris Cantwell , Neil Chue Hong , David Moxey , Malcolm Illingworth , Andrew Turner , John Darlington , Spencer Sherwin

We present evidence of the feasibility of using billion core approximate computers to run simple U(1) sigma models, and discuss how the approach might be extended to Lattice Quantum Chromodynamics (LQCD) models. This work is motivated by…

High Energy Physics - Lattice · Physics 2020-11-02 Alexandra Bates , Joseph Bates

PLQCD is a stand-alone software library developed under PRACE for lattice QCD. It provides an implementation of the Dirac operator for Wilson type fermions and few efficient linear solvers. The library is optimized for multi-core machines…

High Energy Physics - Lattice · Physics 2014-05-06 A. Abdel-Rehim , C. Alexandrou , N. Anastopoulos , G. Koutsou , I. Liabotis , N. Papadopoulou

This paper is a slightly modified and reduced version of the proposal of the {\bf apeNEXT} project, which was submitted to DESY and INFN in spring 2000. .It presents the basic motivations and ideas of a next generation lattice QCD (LQCD)…

High Energy Physics - Lattice · Physics 2012-08-27 The APE Collaboration

There has been major progress in recent years in the development of improved discretizations of the QCD action, current operators, etc for use in numerical simulations that employ very coarse lattices. These lectures review the field…

High Energy Physics - Lattice · Physics 2009-10-28 G. Peter Lepage

Simulating lattice QCD with chiral fermions and indeed using Domain Wall Fermions continues to be challenging project however large are concurrent computers. One obvious bottleneck is the slow pace of prototyping using the low level coding…

High Energy Physics - Lattice · Physics 2007-05-23 Artan Borici

We report on some attempts to use lattice QCD to investigate topics in strong interactions phenomenology which are usually interpreted in terms of soft Pomeron exchange.

High Energy Physics - Lattice · Physics 2009-10-28 Claudio Parrinello

The continuous software engineering paradigm is gaining popularity in modern development practices, where the interleaving of design and runtime activities is induced by the continuous evolution of software systems. In this context,…

Software Engineering · Computer Science 2024-01-31 Romina Eramo , Michele Tucci , Daniele Di Pompeo , Vittorio Cortellessa , Antinisca Di Marco , Davide Taibi

This paper describes a state-of-the-art parallel Lattice QCD Monte Carlo code for staggered fermions, purposely designed to be portable across different computer architectures, including GPUs and commodity CPUs. Portability is achieved…

The International Lattice Datagrid (ILDG) is a federation of several regional grids. Since most of these grids have reached production level, an increasing number of lattice scientists start to benefit from this new research infrastructure.…

High Energy Physics - Lattice · Physics 2014-11-18 G. Beckett , P. Coddington , N. Ishii , B. Joo , D. Melkumyan , R. Ostrowski , D. Pleiter , M. Sato , J. Simone , C. Watson , S. Zhang