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FourCastNeXt: Optimizing FourCastNet Training for Limited Compute

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arxiv 2401.05584 v2 pith:HRGJVBFY submitted 2024-01-10 cs.CV cs.AI

classification cs.CVcs.AI
keywords fourcastnexttrainingfourcastnetmodeloptimizationablationaccessibleaccuracy
verification ladder T0 review T1 audit T2 compute T3 formal

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FourCastNeXt is an optimization of FourCastNet - a global machine learning weather forecasting model - that performs with a comparable level of accuracy and can be trained using around 5% of the original FourCastNet computational requirements. This technical report presents strategies for model optimization that maintain similar performance as measured by the root-mean-square error (RMSE) of the modelled variables. By providing a model with very low comparative training costs, FourCastNeXt makes Neural Earth System Modelling much more accessible to researchers looking to conduct training experiments and ablation studies. FourCastNeXt training and inference code are available at https://github.com/nci/FourCastNeXt

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Cited by 2 Pith papers

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

  1. ArchesWeather & ArchesWeatherGen: a deterministic and generative model for efficient ML weather forecasting

    cs.LG 2024-12 conditional novelty 6.0 of 10

    ArchesWeatherGen, a flow-matching model trained on residuals of a deterministic transformer, generates ensemble forecasts that outperform IFS ENS and NeuralGCM on most WeatherBench headline variables at 1.5 degrees re...

  2. Democracy of AI Numerical Weather Models: An Example of Global Forecasting with FourCastNetv2 Made by a University Research Lab Using GPU

    cs.LG 2025-04 conditional novelty 3.0 of 10

    A university group demonstrated that the freely available FourCastNetv2 model can make global forecasts and support classroom teaching with modest GPU resources, and shared the tutorial materials.

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