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Large Transformer models routinely achieve state-of-the-art results on a number of tasks but training these models can be prohibitively costly, especially on long sequences. We introduce two techniques to improve the efficiency of…

机器学习 · 计算机科学 2020-02-19 Nikita Kitaev , Łukasz Kaiser , Anselm Levskaya

Recent advancements in large-scale pretrained models have significantly improved performance across a variety of tasks in natural language processing and computer vision. However, the extensive number of parameters in these models…

机器学习 · 计算机科学 2024-03-21 Jiang Hu , Quanzheng Li

Pre-trained speech Transformers have facilitated great success across various speech processing tasks. However, fine-tuning these encoders for downstream tasks require sufficiently large training data to converge or to achieve…

计算与语言 · 计算机科学 2022-10-25 Hao Yang , Jinming Zhao , Gholamreza Haffari , Ehsan Shareghi

We show how bidirectional transformers trained for masked token prediction can be applied to neural image compression to achieve state-of-the-art results. Such models were previously used for image generation by progressivly sampling groups…

图像与视频处理 · 电气工程与系统科学 2023-04-18 Fabian Mentzer , Eirikur Agustsson , Michael Tschannen

On-device training enables the model to adapt to new data collected from the sensors by fine-tuning a pre-trained model. Users can benefit from customized AI models without having to transfer the data to the cloud, protecting the privacy.…

计算机视觉与模式识别 · 计算机科学 2024-04-04 Ji Lin , Ligeng Zhu , Wei-Ming Chen , Wei-Chen Wang , Chuang Gan , Song Han

The widespread availability of pre-trained vision models has enabled numerous deep learning applications through their transferable representations. However, their computational and storage costs often limit practical deployment.…

计算机视觉与模式识别 · 计算机科学 2025-09-30 Leonardo Iurada , Beatrice Occhiena , Tatiana Tommasi

This work introduces TrimTuner, the first system for optimizing machine learning jobs in the cloud to exploit sub-sampling techniques to reduce the cost of the optimization process while keeping into account user-specified constraints.…

机器学习 · 计算机科学 2020-11-11 Pedro Mendes , Maria Casimiro , Paolo Romano , David Garlan

We present a method that uses a Bloom filter transform to preprocess data for machine learning. Each sample is encoded into a compact bit-array representation using hash-based encoding, producing a fixed-length feature space that reduces…

机器学习 · 计算机科学 2026-05-11 John Cartmell , Mihaela Cardei , Ionut Cardei

Fine-tuning large language models (LLMs) with classic first-order optimizers entails prohibitive GPU memory due to the backpropagation process. Recent works have turned to zeroth-order optimizers for fine-tuning, which save substantial…

机器学习 · 计算机科学 2025-02-19 Yanjun Zhao , Sizhe Dang , Haishan Ye , Guang Dai , Yi Qian , Ivor W. Tsang

Many types of neural network layers rely on matrix properties such as invertibility or orthogonality. Retaining such properties during optimization with gradient-based stochastic optimizers is a challenging task, which is usually addressed…

机器学习 · 统计学 2020-12-02 Andreas Krämer , Jonas Köhler , Frank Noé

Although quantization for linear layers has been widely used, its application to accelerate the attention process remains limited. To further enhance the efficiency of attention computation compared to SageAttention while maintaining…

机器学习 · 计算机科学 2025-10-02 Jintao Zhang , Haofeng Huang , Pengle Zhang , Jia Wei , Jun Zhu , Jianfei Chen

Many popular first-order optimization methods (e.g., Momentum, AdaGrad, Adam) accelerate the convergence rate of deep learning models. However, these algorithms require auxiliary parameters, which cost additional memory proportional to the…

机器学习 · 计算机科学 2019-02-27 Ryan Spring , Anastasios Kyrillidis , Vijai Mohan , Anshumali Shrivastava

Deep neural networks have achieved state-of-the-art results in a wide range of applications, from natural language processing and computer vision to speech recognition. However, as tasks become increasingly complex, model sizes continue to…

计算机视觉与模式识别 · 计算机科学 2025-05-21 Tomer Gafni , Asaf Karnieli , Yair Hanani

Using an optimization algorithm to solve a machine learning problem is one of mainstreams in the field of science. In this work, we demonstrate a comprehensive comparison of some state-of-the-art first-order optimization algorithms for…

机器学习 · 计算机科学 2014-04-29 Yu Wei , Pock Thomas

The homogeneous second-order descent method (Zhang et al. 2025, Mathematics of Operations Research) was initially proposed for unconstrained optimisation problems. HSODM shows excellent performance with respect to the global complexity rate…

最优化与控制 · 数学 2026-04-08 Yonggang Pei , Yubing Lin , Mauricio Silva Louzeiro , Detong Zhu

In this work we derive a second-order approach to bilevel optimization, a type of mathematical programming in which the solution to a parameterized optimization problem (the "lower" problem) is itself to be optimized (in the "upper"…

最优化与控制 · 数学 2022-05-06 Robert Dyro , Edward Schmerling , Nikos Arechiga , Marco Pavone

Deep neural networks for real-time video matting suffer significant computational limitations on edge devices, hindering their adoption in widespread applications such as online conferences and short-form video production. Binarization…

计算机视觉与模式识别 · 计算机科学 2025-07-08 Haotong Qin , Xianglong Liu , Xudong Ma , Lei Ke , Yulun Zhang , Jie Luo , Michele Magno

Fine-tuning is powerful for adapting large language models to downstream tasks, but it often results in huge memory usages. A promising approach to mitigate this is using Zeroth-Order (ZO) optimization, which estimates gradients to replace…

机器学习 · 计算机科学 2024-10-15 Fei Wang , Li Shen , Liang Ding , Chao Xue , Ye Liu , Changxing Ding

Quantum reservoir computing is a class of quantum machine learning algorithms involving a reservoir of an echo state network based on a register of qubits, but the dependence of its memory capacity on the hyperparameters is still rather…

量子物理 · 物理学 2023-02-24 Riccardo Molteni , Claudio Destri , Enrico Prati

We study first-order optimization algorithms under the constraint that the descent direction is quantized using a pre-specified budget of $R$-bits per dimension, where $R \in (0 ,\infty)$. We propose computationally efficient optimization…

机器学习 · 计算机科学 2022-08-17 Rajarshi Saha , Mert Pilanci , Andrea J. Goldsmith