A GPU-accelerated reweighting method speeds up likelihood evaluations for new-physics searches in neutrino-electron scattering by using precomputed spectra and response kernels.
Accelerated Event-by-Event Neutrino Oscillation Reweighting with Matter Effects on a GPU
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abstract
Oscillation probability calculations are becoming increasingly CPU intensive in modern neutrino oscillation analyses. The independency of reweighting individual events in a Monte Carlo sample lends itself to parallel implementation on a Graphics Processing Unit. The library "Prob3++" was ported to the GPU using the CUDA C API, allowing for large scale parallelized calculations of neutrino oscillation probabilities through matter of constant density, decreasing the execution time by a factor of 75, when compared to performance on a single CPU.
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hep-ex 1years
2026 1verdicts
UNVERDICTED 1representative citing papers
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GPU-accelerated spectrum reweighting for new-physics searches in solar neutrino--electron scattering
A GPU-accelerated reweighting method speeds up likelihood evaluations for new-physics searches in neutrino-electron scattering by using precomputed spectra and response kernels.