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Sharpness-Aware Minimization (SAM) enhances generalization by minimizing the maximum training loss within a predefined neighborhood around the parameters. However, its practical implementation approximates this as gradient ascent(s)…

机器学习 · 计算机科学 2026-03-12 Jianlong Chen , Zhiming Zhou

The sharpness-aware minimization (SAM) algorithm and its variants, including gap guided SAM (GSAM), have been successful at improving the generalization capability of deep neural network models by finding flat local minima of the empirical…

机器学习 · 计算机科学 2024-09-17 Hinata Harada , Hideaki Iiduka

Optimization techniques have become increasingly critical due to the ever-growing model complexity and data scale. In particular, teleportation has emerged as a promising approach, which accelerates convergence of gradient descent-based…

机器学习 · 计算机科学 2025-02-18 Zihao Wu , Juncheng Dong , Ahmed Aloui , Vahid Tarokh

Sharpness-Aware Minimization (SAM) has attracted considerable attention for its effectiveness in improving generalization in deep neural network training by explicitly minimizing sharpness in the loss landscape. Its success, however, relies…

机器学习 · 计算机科学 2025-06-16 Sungbin Shin , Dongyeop Lee , Maksym Andriushchenko , Namhoon Lee

Sharpness-Aware Minimization (SAM) has recently emerged as an effective technique for improving DNN robustness to input variations. However, its interplay with the compactness requirements of on-device DNN deployments remains less explored.…

计算机视觉与模式识别 · 计算机科学 2026-01-29 Jialuo He , Huangxun Chen

Sharpness-Aware Minimization (SAM) improves model generalization but doubles the computational cost of Stochastic Gradient Descent (SGD) by requiring twice the gradient calculations per optimization step. To mitigate this, we propose…

计算机视觉与模式识别 · 计算机科学 2025-10-07 Jiaxin Deng , Junbiao Pang

Sharpness-Aware Minimization (SAM) is a recently proposed gradient-based optimizer (Foret et al., ICLR 2021) that greatly improves the prediction performance of deep neural networks. Consequently, there has been a surge of interest in…

机器学习 · 计算机科学 2023-10-24 Yan Dai , Kwangjun Ahn , Suvrit Sra

The generalization performance of deep neural networks (DNNs) is a critical factor in achieving robust model behavior on unseen data. Recent studies have highlighted the importance of sharpness-based measures in promoting generalization by…

机器学习 · 计算机科学 2025-01-28 Mohamed Hassan , Aleksandar Vakanski , Boyu Zhang , Min Xian

Sharpness-aware minimization (SAM) has been shown to improve the generalization of neural networks. However, each SAM update requires \emph{sequentially} computing two gradients, effectively doubling the per-iteration cost compared to base…

机器学习 · 计算机科学 2024-10-15 Wanyun Xie , Thomas Pethick , Volkan Cevher

Sharpness-aware minimization (SAM) is a recently proposed method that minimizes the sharpness of the training loss of a neural network. While its generalization improvement is well-known and is the primary motivation, we uncover an…

机器学习 · 计算机科学 2023-10-31 Maksym Andriushchenko , Dara Bahri , Hossein Mobahi , Nicolas Flammarion

The allure of superhuman-level capabilities has led to considerable interest in language models like GPT-3 and T5, wherein the research has, by and large, revolved around new model architectures, training tasks, and loss objectives, along…

计算与语言 · 计算机科学 2022-03-17 Dara Bahri , Hossein Mobahi , Yi Tay

Regression is fundamental in computer vision and is widely used in various tasks including age estimation, depth estimation, target localization, \etc However, real-world data often exhibits imbalanced distribution, making regression models…

计算机视觉与模式识别 · 计算机科学 2025-08-26 Yahao Liu , Qin Wang , Lixin Duan , Wen Li

Effective clinical deployment of deep learning models in healthcare demands high generalization performance to ensure accurate diagnosis and treatment planning. In recent years, significant research has focused on improving the…

图像与视频处理 · 电气工程与系统科学 2025-10-22 Mohamed Hassan , Aleksandar Vakanski , Min Xian

Recent studies showed that the generalization of neural networks is correlated with the sharpness of the loss landscape, and flat minima suggests a better generalization ability than sharp minima. In this paper, we propose a novel method…

机器学习 · 计算机科学 2024-05-24 Yuyan Zhou , Ye Li , Lei Feng , Sheng-Jun Huang

Sharpness-Aware Minimization (SAM) has emerged as a powerful method for improving generalization in machine learning models by minimizing the sharpness of the loss landscape. However, despite its success, several important questions…

最优化与控制 · 数学 2025-03-05 Dimitris Oikonomou , Nicolas Loizou

Models trained in federated settings often suffer from degraded performances and fail at generalizing, especially when facing heterogeneous scenarios. In this work, we investigate such behavior through the lens of geometry of the loss and…

机器学习 · 计算机科学 2022-07-22 Debora Caldarola , Barbara Caputo , Marco Ciccone

Sharpness-aware minimization (SAM) was proposed to reduce sharpness of minima and has been shown to enhance generalization performance in various settings. In this work we show that perturbing only the affine normalization parameters…

机器学习 · 计算机科学 2023-11-20 Maximilian Mueller , Tiffany Vlaar , David Rolnick , Matthias Hein

Sharpness-aware minimization (SAM) has emerged as a highly effective technique to improve model generalization, but its underlying principles are not fully understood. We investigate m-sharpness, where SAM performance improves monotonically…

机器学习 · 计算机科学 2026-04-03 Haocheng Luo , Mehrtash Harandi , Dinh Phung , Trung Le

Deep neural networks often suffer from poor generalization caused by complex and non-convex loss landscapes. One of the popular solutions is Sharpness-Aware Minimization (SAM), which smooths the loss landscape via minimizing the maximized…

机器学习 · 计算机科学 2022-10-25 Peng Mi , Li Shen , Tianhe Ren , Yiyi Zhou , Xiaoshuai Sun , Rongrong Ji , Dacheng Tao

Sharpness-Aware Minimization (SAM) is an optimization method that improves generalization performance of machine learning models. Despite its superior generalization, SAM has not been actively used in real-world applications due to its…

机器学习 · 计算机科学 2025-03-17 Junhyuk Jo , Jihyun Lim , Sunwoo Lee