TempLat: a versatile C++ engine for lattice field theories

arXiv:2607.24908 · hep-lat, astro-ph.CO, cond-mat.stat-mech, hep-ph · Submitted 2026-07-27 · Read on arXiv

Adrien Florio, Franz R. Sattler

hep-lat, astro-ph.CO, cond-mat.stat-mech, hep-ph

Submitted: 2026-07-27

Comments: Open source, 12 pages, 7 figures

Code: https://github.com/cosmolattice/templat

License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/

Terminology

• Core — 14× in this paper · explained in 2 episodes
• Benchmark — 8× in this paper · explained in 2 episodes
• Abstraction — 3× in this paper · explained in 1 episode
• Decoupling — 2× in this paper · explained in 2 episodes
• Adaptation — 1× in this paper · explained in 1 episode
• Communication Overhead — 1× in this paper · explained in 2 episodes
• Inverse Design — 1× in this paper · explained in 2 episodes
• Peripheral Component Interconnect Express — 1× in this paper
• Sparsity — 1× in this paper · explained in 4 episodes
• Trace — 1× in this paper · explained in 2 episodes
• Verification — 1× in this paper · explained in 2 episodes

Sources

• Lattice QCD as a video game
• Solving Lattice QCD systems of equations using mixed precision solvers on GPUs
• Grid: A next generation data parallel C++ QCD library
• HotQCD on Multi-GPU Systems
• SIMULATeQCD: A simple multi-GPU lattice code for QCD calculations
• magnum.np -- A PyTorch based GPU enhanced Finite Difference Micromagnetic Simulation Framework for High Level Development and Inverse Design
• Universal self-similar dynamics of relativistic and nonrelativistic field theories near nonthermal fixed points
• The art of simulating the early Universe -- Part I
• The art of simulating the early Universe. Part II. Non-canonical cases & gravitational waves
• CosmoLattice
• Present and future of CosmoLattice
• Scaling density of axion strings in terasite simulations
• Fast parallel multidimensional FFT using advanced MPI
• Otus Supercomputer
• Real-Time Dynamics with Fermions on a Lattice

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• Continuum limit of a qubit-regularized SU(3) lattice gauge theory on a plaquette chain