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arxiv 2203.06777 v1 pith:WUCA22IQ submitted 2022-03-13 hep-lat

Peter Boyle , Guido Cossu , Gianluca Filaci , Christoph Lehner , Antonin Portelli , Azusa Yamaguchi This is my paper · ORCID
classification hep-lat
keywords architecturesenvironmentsgridplannedabstractionacrosscross-platformcuda
verification ladder T0 review T1 audit T2 compute T3 formal
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We discuss a substantial update to the Grid software library for Lattice QCD, enabling it to port to multiple GPU architectures while retaining CPU vectorisation and SIMD execution within OpenMP threads. The GPU environments supported include vendor specific Nvidia CUDA and AMD HIP environments and a (mostly) standards based SYCL implementation. This is performed by an internal abstraction interface giving single source cross-platform performance portability across all number of planned Exascale architectures, and all those planned by the US Department of Energy.

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Cited by 4 Pith papers

Reviewed papers in the Pith corpus that reference this work. Sorted by Pith novelty score. Full citation record

  1. Extended framework for the hybrid Monte Carlo in lattice gauge theory

    hep-lat 2024-12 conditional novelty 7.0 of 10

    An exact hybrid Monte Carlo framework is built by embedding SU(N) into complex matrix space, enabling non-separable Hamiltonians like Riemannian manifold HMC in lattice gauge theory without gauge fixing.

  2. Perturbative quantum electrodynamics with generalized domain wall fermions

    hep-lat 2026-07 conditional novelty 6.0 of 10

    For generalized domain-wall fermions, the O(e^2) electromagnetic expansion requires new local seagull and anti-quark contact vertices, derived here for the first time.

  3. Long-distance reconstruction of QED corrections to the hadronic vacuum polarization for the muon g-2

    hep-lat 2025-08 conditional novelty 6.0 of 10

    A lattice QCD+QED method reconstructs the long-distance QED correction to the hadronic vacuum polarization from exclusive pion-photon and rho states, demonstrated at a single lattice spacing.

  4. Spectral analysis for nucleon-pion and nucleon-pion-pion states in both parity sectors using distillation with domain-wall fermions

    hep-lat 2024-12 conditional novelty 6.0 of 10

    A distillation-based GEVP analysis resolves nucleon, nucleon-pion, and, for the first time, nucleon-pion-pion states in lattice QCD, with a physical-point nucleon mass of 0.927(21)(05) GeV.

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