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Self-alignment is an effective way to reduce the cost of human annotation while ensuring promising model capability. However, most current methods complete the data collection and training steps in a single round, which may overlook the…

计算与语言 · 计算机科学 2024-06-28 Haoyu Wang , Guozheng Ma , Ziqiao Meng , Zeyu Qin , Li Shen , Zhong Zhang , Bingzhe Wu , Liu Liu , Yatao Bian , Tingyang Xu , Xueqian Wang , Peilin Zhao

Recent foundation models are capable of handling multiple tasks and multiple data modalities with the unified base model structure and several specialized model components. However, efficient training of such multi-task (MT) multi-modal…

分布式、并行与集群计算 · 计算机科学 2025-02-12 Yujie Wang , Shenhan Zhu , Fangcheng Fu , Xupeng Miao , Jie Zhang , Juan Zhu , Fan Hong , Yong Li , Bin Cui

Modern industrial Deep Learning Recommendation Models typically extract user preferences through the analysis of sequential interaction histories, subsequently generating predictions based on these derived interests. The inherent…

Pre-trained models exhibit strong generalization to various downstream tasks. However, given the numerous models available in the model hub, identifying the most suitable one by individually fine-tuning is time-consuming. In this paper, we…

机器学习 · 计算机科学 2026-03-10 Tengxue Zhang , Biao Ouyang , Yang Shu , Xinyang Chen , Chenjuan Guo , Bin Yang

This paper studies the training-testing discrepancy (a.k.a. exposure bias) problem for improving the diffusion models. During training, the input of a prediction network at one training timestep is the corresponding ground-truth noisy data…

计算机视觉与模式识别 · 计算机科学 2025-12-23 Hui Li , Jiayue Lyu , Fu-Yun Wang , Kaihui Cheng , Siyu Zhu , Jingdong Wang

Diffusion models achieve remarkable generative quality, but computational overhead scales with step count, model depth, and sequence length. Feature caching is effective since adjacent timesteps yield highly similar features. However, an…

计算机视觉与模式识别 · 计算机科学 2025-12-16 Tingyan Wen , Haoyu Li , Yihuang Chen , Xing Zhou , Lifei Zhu , Xueqian Wang

In today's context, deploying data-driven services like recommendation on edge devices instead of cloud servers becomes increasingly attractive due to privacy and network latency concerns. A common practice in building compact on-device…

信息检索 · 计算机科学 2021-06-07 Tong Chen , Hongzhi Yin , Yujia Zheng , Zi Huang , Yang Wang , Meng Wang

Despite rapid advancements in lifelong learning (LLL) research, a large body of research mainly focuses on improving the performance in the existing \textit{static} continual learning (CL) setups. These methods lack the ability to succeed…

机器学习 · 计算机科学 2023-01-30 Soumya Banerjee , Vinay Kumar Verma , Vinay P. Namboodiri

Delay embedding methods are a staple tool in the field of time series analysis and prediction. However, the selection of embedding parameters can have a big impact on the resulting analysis. This has led to the creation of a large number of…

Long interaction histories are central to modern recommender systems, yet training with long sequences is often dismissed as impractical under realistic memory and latency budgets. This work demonstrates that it is not only practical but…

机器学习 · 计算机科学 2026-04-15 Sayak Chakrabarty , Souradip Pal

This paper studies the fast adaptive beamforming for the multiuser multiple-input single-output downlink. Existing deep learning-based approaches assume that training and testing channels follow the same distribution which causes task…

信息论 · 计算机科学 2021-09-21 Juping Zhang , Yi Yuan , Gan Zheng , Ioannis Krikidis , Kai-Kit Wong

Timestep sampling $p(t)$ is a central design choice in Flow Matching models, yet common practice increasingly favors static middle-biased distributions (e.g., Logit-Normal). We show that this choice induces a speed--quality trade-off:…

机器学习 · 计算机科学 2026-03-16 Pengwei Sun

Recent developments in large language models have sparked interest in efficient pretraining methods. Stagewise training approaches to improve efficiency, like gradual stacking and layer dropping (Reddi et al, 2023; Zhang & He, 2020), have…

计算与语言 · 计算机科学 2024-10-15 Abhishek Panigrahi , Nikunj Saunshi , Kaifeng Lyu , Sobhan Miryoosefi , Sashank Reddi , Satyen Kale , Sanjiv Kumar

Ensemble Machine Learning (EML) techniques, especially stacking, have been shown to improve predictive performance by combining multiple base models. However, they are often criticized for their lack of interpretability. In this paper, we…

机器学习 · 计算机科学 2025-09-16 Moncef Garouani , Ayah Barhrhouj , Olivier Teste

In this paper we study the problem of learning multi-step dynamics prediction models (jumpy models) from unlabeled experience and their utility for fast inference of (high-level) plans in downstream tasks. In particular we propose to learn…

Most work in graph-based recommender systems considers a {\em static} setting where all information about test nodes (i.e., users and items) is available upfront at training time. However, this static setting makes little sense for many…

机器学习 · 计算机科学 2022-02-08 Mengyue Hang , Tobias Schnabel , Longqi Yang , Jennifer Neville

Many industrial machine learning (ML) systems require frequent retraining to keep up-to-date with constantly changing data. This retraining exacerbates a large challenge facing ML systems today: model training is unstable, i.e., small…

计算与语言 · 计算机科学 2020-03-12 Megan Leszczynski , Avner May , Jian Zhang , Sen Wu , Christopher R. Aberger , Christopher Ré

Dynamic DNN optimization techniques such as layer-skipping offer increased adaptability and efficiency gains but can lead to i) a larger memory footprint as in decision gates, ii) increased training complexity (e.g., with non-differentiable…

机器学习 · 计算机科学 2025-05-26 Guilherme Korol , Antonio Carlos Schneider Beck , Jeronimo Castrillon

Deep Learning (DL) algorithms are the central focus of modern machine learning systems. As data volumes keep growing, it has become customary to train large neural networks with hundreds of millions of parameters to maintain enough capacity…

分布式、并行与集群计算 · 计算机科学 2020-03-03 Beidi Chen , Tharun Medini , James Farwell , Sameh Gobriel , Charlie Tai , Anshumali Shrivastava

On-device training is essential for neural networks (NNs) to continuously adapt to new online data, but can be time-consuming due to the device's limited computing power. To speed up on-device training, existing schemes select trainable NN…

机器学习 · 计算机科学 2023-12-25 Kai Huang , Boyuan Yang , Wei Gao