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Deep learning-based, data-driven models are gaining prevalence in climate research, particularly for global weather prediction. However, training the global weather data at high resolution requires massive computational resources.…

机器学习 · 计算机科学 2024-03-19 Minjong Cheon , Yo-Hwan Choi , Seon-Yu Kang , Yumi Choi , Jeong-Gil Lee , Daehyun Kang

We present a data-driven approach for forecasting global weather using graph neural networks. The system learns to step forward the current 3D atmospheric state by six hours, and multiple steps are chained together to produce skillful…

大气与海洋物理 · 物理学 2022-02-16 Ryan Keisler

This study investigates the application of deep-learning diffusion models for the super-resolution of weather data, a novel approach aimed at enhancing the spatial resolution and detail of meteorological variables. Leveraging the…

机器学习 · 计算机科学 2024-09-02 Jan Martinů , Petr Šimánek

Numerical Weather Prediction (NWP) models that integrate coupled physical equations forward in time are the traditional tools for simulating atmospheric processes and forecasting weather. With recent advancements in deep learning, AI-based…

计算物理 · 物理学 2025-12-22 Milton Gomez , Louis Poulain--Auzeau , Alexis Berne , Tom Beucler

This paper presents the benchmarking and scaling studies of a GPU accelerated three dimensional compressible magnetohydrodynamic code. The code is developed keeping an eye to explain the large and intermediate scale magnetic field…

Mixture-of-Experts (MoE) models, though highly effective for various machine learning tasks, face significant deployment challenges on memory-constrained devices. While GPUs offer fast inference, their limited memory compared to CPUs means…

分布式、并行与集群计算 · 计算机科学 2025-05-06 Yujie Zhang , Shivam Aggarwal , Tulika Mitra

Can we improve the modeling of urban land surface processes with machine learning (ML)? A prior comparison of urban land surface models (ULSMs) found that no single model is 'best' at predicting all common surface fluxes. Here, we develop…

机器学习 · 计算机科学 2022-03-16 David Meyer , Sue Grimmond , Peter Dueben , Robin Hogan , Maarten van Reeuwijk

This paper introduces a warehouse optimization procedure aimed at enhancing the efficiency of product storage and retrieval. By representing product locations and order flows within a time-evolving graph structure, we employ unsupervised…

最优化与控制 · 数学 2025-10-21 Magnus Bengtsson , Jens Wittsten , Jonas Waidringer

We present a generalized Non-negative factorization (NMF)-based data reduction pipeline for circumstellar disk and exoplanet detection. By using an adaptable pre-processing routine that applies algorithmic masks and corrections to improper…

天体物理仪器与方法 · 物理学 2023-10-10 Sai Krishanth P. M. , Ewan S. Douglas , Justin Hom , Ramya M. Anche , John Debes , Isabel Rebollido , Bin B. Ren

The success of deep learning techniques over the last decades has opened up a new avenue of research for weather forecasting. Here, we take the novel approach of using a neural network to predict full probability density functions at each…

机器学习 · 统计学 2022-01-05 Mariana Clare , Omar Jamil , Cyril Morcrette

This paper optimizes the Convolutional Neural Network (CNN) algorithm using high-performance computing (HPC) technologies. It uses multi-core processors, GPUs, and parallel computing frameworks like OpenMPI and CUDA to speed up CNN model…

分布式、并行与集群计算 · 计算机科学 2024-03-11 Shahrin Rahman

The substantial computational costs of diffusion models, especially due to the repeated denoising steps necessary for high-quality image generation, present a major obstacle to their widespread adoption. While several studies have attempted…

计算机视觉与模式识别 · 计算机科学 2024-09-04 Junhyuk So , Jungwon Lee , Eunhyeok Park

We propose computationally efficient methods for estimating stationary multivariate spatial and spatial-temporal spectra from incomplete gridded data. The methods are iterative and rely on successive imputation of data and updating of model…

统计方法学 · 统计学 2018-11-06 Joseph Guinness

Transformers and LLMs have seen rapid adoption in all domains. Their sizes have exploded to hundreds of billions of parameters and keep increasing. Under these circumstances, the training of transformers is slow and often takes in the order…

分布式、并行与集群计算 · 计算机科学 2024-06-18 Avinash Maurya , Jie Ye , M. Mustafa Rafique , Franck Cappello , Bogdan Nicolae

Data-driven approaches for medium-range weather forecasting are recently shown extraordinarily promising for ensemble forecasting for their fast inference speed compared to traditional numerical weather prediction (NWP) models, but their…

计算机视觉与模式识别 · 计算机科学 2023-03-15 Yuan Hu , Lei Chen , Zhibin Wang , Hao Li

Deep learning methods have gained popularity in recent years through the media and the relative ease of implementation through open source packages such as Keras. We investigate the applicability of popular recurrent neural networks in…

应用统计 · 统计学 2023-01-05 Andrew T. Karl , James Wisnowski , Lambros Petropoulos

Real-time trajectory optimization for nonlinear constrained autonomous systems is critical and typically performed by CPU-based sequential solvers. Specifically, reliance on global sparse linear algebra or the serial nature of dynamic…

机器人学 · 计算机科学 2026-03-13 Yilin Zou , Zhong Zhang , Maxime Robic , Fanghua Jiang

Reconfigurable architectures, such as FPGAs, enable the execution of code at the electronics level, avoiding the assumptions imposed by the general purpose black-box micro-architectures of CPUs and GPUs. Such tailored execution can result…

分布式、并行与集群计算 · 计算机科学 2021-07-29 Nick Brown

We present an ensemble prediction system using a Deep Learning Weather Prediction (DLWP) model that recursively predicts key atmospheric variables with six-hour time resolution. This model uses convolutional neural networks (CNNs) on a…

大气与海洋物理 · 物理学 2021-12-10 Jonathan A. Weyn , Dale R. Durran , Rich Caruana , Nathaniel Cresswell-Clay

This study proposes two straightforward yet effective approaches to reduce the required computational time of the training process for time-series modeling through a recurrent neural network (RNN) using multi-time-scale time-series data as…

大气与海洋物理 · 物理学 2021-11-11 Kei Ishida , Masato Kiyama , Ali Ercan , Motoki Amagasaki , Tongbi Tu