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In this work, we propose Reinforced Functional Token Tuning (RFTT), a novel reinforced fine-tuning framework that empowers Large Language Models (LLMs) with self-play learn-to-reason capabilities. Unlike prior prompt-driven reasoning…

人工智能 · 计算机科学 2025-02-20 Kongcheng Zhang , Qi Yao , Baisheng Lai , Jiaxing Huang , Wenkai Fang , Dacheng Tao , Mingli Song , Shunyu Liu

Nonequispaced discrete Fourier transformation (NDFT) is widely applied in all aspects of computational science and engineering. The computational efficiency and accuracy of NDFT has always been a critical issue in hindering its…

数学软件 · 计算机科学 2020-08-06 Sheng-Chun Yang , Yong-Lei Wang

Test-Time Scaling (TTS) methods for enhancing Large Language Model (LLM) reasoning often incur substantial computational costs, primarily due to extensive reliance on external Process Reward Models (PRMs) or sampling methods like Best-of-N…

计算与语言 · 计算机科学 2025-05-28 Amirhosein Ghasemabadi , Keith G. Mills , Baochun Li , Di Niu

Supervised fine-tuning (SFT) is a pivotal approach to adapting large language models (LLMs) for downstream tasks; however, performance often suffers from the ``seesaw phenomenon'', where indiscriminate parameter updates yield progress on…

计算与语言 · 计算机科学 2025-09-22 Yao Wang , Di Liang , Minlong Peng

Reliable estimates of Gross Primary Productivity (GPP), crucial for evaluating climate change initiatives, are currently only available from sparsely distributed eddy covariance tower sites. This limitation hampers access to reliable GPP…

Inference-time compute has re-emerged as a practical way to improve LLM reasoning. Most test-time scaling (TTS) algorithms rely on autoregressive decoding, which is ill-suited to discrete diffusion language models (dLLMs) due to their…

Parameter-efficient fine-tuning (PEFT) has become a common method for fine-tuning large language models, where a base model can serve multiple users through PEFT module switching. To enhance user experience, base models require periodic…

计算与语言 · 计算机科学 2025-06-10 Naibin Gu , Peng Fu , Xiyu Liu , Ke Ma , Zheng Lin , Weiping Wang

The rapid evolution of e-commerce has exposed the limitations of traditional product retrieval systems in managing complex, multi-turn user interactions. Recent advances in multimodal generative retrieval -- particularly those leveraging…

Test-Time Scaling (TTS) improves large language models (LLMs) by allocating additional computation during inference, typically through parallel, sequential, or hybrid scaling. However, prior studies often assume fixed collaboration…

机器学习 · 计算机科学 2025-11-04 Fali Wang , Jihai Chen , Shuhua Yang , Runxue Bao , Tianxiang Zhao , Zhiwei Zhang , Xianfeng Tang , Hui Liu , Qi He , Suhang Wang

Automatic prompt optimization frameworks are developed to obtain suitable prompts for large language models (LLMs) with respect to desired output quality metrics. Although existing approaches can handle conventional tasks such as…

计算与语言 · 计算机科学 2025-05-14 Chun-Pai Yang , Kan Zheng , Shou-De Lin

This paper surveys research works in the quickly advancing field of instruction tuning (IT), which can also be referred to as supervised fine-tuning (SFT)\footnote{In this paper, unless specified otherwise, supervised fine-tuning (SFT) and…

计算与语言 · 计算机科学 2025-10-07 Shengyu Zhang , Linfeng Dong , Xiaoya Li , Sen Zhang , Xiaofei Sun , Shuhe Wang , Jiwei Li , Runyi Hu , Tianwei Zhang , Fei Wu , Guoyin Wang

Pre-trained neural language models bring significant improvement for various NLP tasks, by fine-tuning the models on task-specific training sets. During fine-tuning, the parameters are initialized from pre-trained models directly, which…

计算与语言 · 计算机科学 2020-09-17 Chengyu Wang , Minghui Qiu , Jun Huang , Xiaofeng He

Test-time scaling methods have seen a rapid increase in popularity for its computational efficiency and parameter-independent training to improve reasoning performance on Large Language Models. One such method is called budget forcing, a…

人工智能 · 计算机科学 2025-10-27 Ravindra Aribowo Tarunokusumo , Rafael Fernandes Cunha

Post-training quantization (PTQ) of large language models (LLMs) to extremely low bit-widths remains challenging due to the fundamental trade-off between computational efficiency and representational capacity. While existing ultra-low-bit…

机器学习 · 计算机科学 2026-01-05 He Xiao , Runming Yang , Qingyao Yang , Wendong Xu , Zhen Li , Yupeng Su , Zhengwu Liu , Hongxia Yang , Ngai Wong

LLMs' performance on complex tasks is still unsatisfactory. A key issue is that presently LLMs learn in a data-driven schema, while the instructions about these complex tasks are both scarce and hard to collect or construct. On the…

机器学习 · 计算机科学 2024-10-21 Yang Zhao , Li Du , Xiao Ding , Kai Xiong , Ting Liu , Bing Qin

Standard negative log-likelihood (NLL) for Supervised Fine-Tuning (SFT) applies uniform token-level weighting. This rigidity creates a two-fold failure mode: (i) overemphasizing low-probability targets can amplify gradients on noisy…

计算与语言 · 计算机科学 2026-02-13 Zecheng Wang , Deyuan Liu , Chunshan Li , Yupeng Zhang , Zhengyun Zhao , Dianhui Chu , Bingning Wang , Dianbo Sui

Current Parameter-Efficient Fine-Tuning (PEFT) methods typically operate under an implicit assumption: Once a target module is selected, every token passing through it contributes equally to the downstream task and requires a parameter…

计算与语言 · 计算机科学 2026-01-30 Dabiao Ma , Ziming Dai , Zhimin Xin , Shu Wang , Jian Yang , Haojun Fei

This paper presents LM-Fix, a lightweight detection and rapid recovery framework for faults in large language models (LLMs). Existing integrity approaches are often heavy or slow for modern LLMs. LM-Fix runs a short test-vector pass and…

软件工程 · 计算机科学 2026-02-25 Ahmad Tahmasivand , Noureldin Zahran , Saba Al-Sayouri , Mohammed Fouda , Khaled N. Khasawneh

The expanding context windows in large language models (LLMs) have greatly enhanced their capabilities in various applications, but they also introduce significant challenges in maintaining low latency, particularly in Time to First Token…

分布式、并行与集群计算 · 计算机科学 2024-10-10 Yi Xiong , Hao Wu , Changxu Shao , Ziqing Wang , Rui Zhang , Yuhong Guo , Junping Zhao , Ke Zhang , Zhenxuan Pan

Truncated backpropagation through time (TBPTT) is a popular method for learning in recurrent neural networks (RNNs) that saves computation and memory at the cost of bias by truncating backpropagation after a fixed number of lags. In…

机器学习 · 计算机科学 2019-07-03 Christopher Aicher , Nicholas J. Foti , Emily B. Fox
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