Grid: A next generation data parallel C++ QCD library

Peter Boyle, Azusa Yamaguchi, Guido Cossu, Antonin Portelli
12/10/2015
hep-latcs.DCcs.MS

Official code: paboyle/Grid (178 stars, GPL-2.0, last commit 2026-10-20).

Abstract

In this proceedings we discuss the motivation, implementation details, and performance of a new physics code base called Grid. It is intended to be more performant, more general, but similar in spirit to QDP++\cite{QDP}. Our approach is to engineer the basic type system to be consistently fast, rather than bolt on a few optimised routines, and we are attempt to write all our optimised routines directly in the Grid framework. It is hoped this will deliver best known practice performance across the next generation of supercomputers, which will provide programming challenges to traditional scalar codes. We illustrate the programming patterns used to implement our goals, and advances in productivity that have been enabled by using new features in C++11.

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Code Implementations(1)

paboyle/GridOfficial100%
GPL-2.0

Data parallel C++ mathematical object library

178133C, M4Mar 4, 2015yesterdayGPL-2.0

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Cite this paper

@article{boyle2015grid,
  title  = {Grid: A next generation data parallel C++ QCD library},
  author = {Peter Boyle and Azusa Yamaguchi and Guido Cossu and Antonin Portelli},
  year   = {2015},
  eprint = {1512.03487},
  archivePrefix = {arXiv},
  url    = {https://arxiv.org/abs/1512.03487}
}

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