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Large Language Models (LLMs) have revolutionized code generation but require significant resources and often over-generalize, limiting their task-specific efficiency. Fine-tuning smaller, open-source LLMs provides a cost-effective…

计算与语言 · 计算机科学 2025-06-27 Leitian Tao , Xiang Chen , Tong Yu , Tung Mai , Ryan Rossi , Yixuan Li , Saayan Mitra

Recently, large language models (LLMs) have shown surprising performance in task-specific workloads as well as general tasks with the given prompts. However, to achieve unprecedented performance, recent LLMs use billions to trillions of…

机器学习 · 计算机科学 2024-06-21 Geonhwa Jeong , Po-An Tsai , Stephen W. Keckler , Tushar Krishna

Retrieval-augmented generation (RAG) integrates large language models ( LLM s) with retrievers to access external knowledge, improving the factuality of LLM generation in knowledge-grounded tasks. To optimize the RAG performance, most…

Data-intensive applications, ranging from large-scale retrieval systems to advanced data pipelines, are increasingly bottlenecked by the processing of highly redundant text corpora. We present Merlin, a local-first, agnostic,…

计算与语言 · 计算机科学 2026-05-12 Sietse Schelpe

Diffusion-based large language models (dLLMs) have recently gained significant attention for their exceptional performance and inherent potential for parallel decoding. Existing frameworks further enhance its inference efficiency by…

计算与语言 · 计算机科学 2025-12-01 Linye Wei , Wenjue Chen , Pingzhi Tang , Xiaotian Guo , Le Ye , Runsheng Wang , Meng Li

Large Vision-Language Models (LVLMs) hold significant promise for medical applications, yet their deployment is often constrained by insufficient alignment and reliability. While Direct Preference Optimization (DPO) has emerged as a potent…

计算机视觉与模式识别 · 计算机科学 2026-01-27 Dain Kim , Jiwoo Lee , Jaehoon Yun , Yong Hoe Koo , Qingyu Chen , Hyunjae Kim , Jaewoo Kang

Large Language Model (LLM) fine tuning is underutilized in the field of medicine. Two of the most common methods of fine tuning are Supervised Fine Tuning (SFT) and Direct Preference Optimization (DPO), but there is little guidance…

计算与语言 · 计算机科学 2024-12-16 Thomas Savage , Stephen Ma , Abdessalem Boukil , Vishwesh Patel , Ekanath Rangan , Ivan Lopez , Jonathan H Chen

Discrete diffusion language models (dLLMs) provide a fast and flexible alternative to autoregressive models (ARMs) via iterative denoising with parallel updates. However, their evaluation is challenging: existing metrics conflate denoiser…

机器学习 · 计算机科学 2026-05-29 Luhan Tang , Longxuan Yu , Shaorong Zhang , Greg Ver Steeg

Direct Preference Optimization (DPO) improves the alignment of large language models (LLMs) with human values by training directly on human preference datasets, eliminating the need for reward models. However, due to the presence of…

人工智能 · 计算机科学 2024-06-11 Biqing Qi , Pengfei Li , Fangyuan Li , Junqi Gao , Kaiyan Zhang , Bowen Zhou

Large language models (LLMs) have significantly advanced the field of natural language processing, while the expensive memory and computation consumption impede their practical deployment. Quantization emerges as one of the most effective…

The widespread practice of fine-tuning large language models (LLMs) on domain-specific data faces two major challenges in memory and privacy. First, as the size of LLMs continues to grow, the memory demands of gradient-based training…

机器学习 · 计算机科学 2024-06-07 Liang Zhang , Bingcong Li , Kiran Koshy Thekumparampil , Sewoong Oh , Niao He

Direct alignment methods typically train large language models (LLMs) by contrasting the likelihoods of preferred and dispreferred responses. While effective at capturing relative preferences, these methods are widely observed to suppress…

计算与语言 · 计算机科学 2025-12-04 Kaiyang Guo , Yinchuan Li , Zhitang Chen

Reinforcement learning (RL) has become a cornerstone for fine-tuning Large Language Models (LLMs), with Proximal Policy Optimization (PPO) serving as the de facto standard algorithm. Despite its ubiquity, we argue that the core ratio…

机器学习 · 计算机科学 2026-05-27 Penghui Qi , Xiangxin Zhou , Zichen Liu , Tianyu Pang , Chao Du , Min Lin , Wee Sun Lee

Existing alignment techniques for Large Language Models (LLMs), such as Direct Preference Optimization (DPO), typically treat the model as a monolithic entity, applying uniform optimization pressure across all layers. This approach…

计算与语言 · 计算机科学 2025-10-15 Yukun Zhang , Qi Dong

Despite considerable progress in handwritten text recognition, paragraph-level handwritten text recognition, especially in low-resource languages, such as Hindi, Urdu and similar scripts, remains a challenging problem. These languages,…

计算机视觉与模式识别 · 计算机科学 2025-12-02 Sayantan Dey , Alireza Alaei , Partha Pratim Roy

Mathematical reasoning presents a significant challenge for Large Language Models (LLMs) as it requires ensuring the correctness of each reasoning step. Researchers have been strengthening the mathematical reasoning abilities of LLMs…

机器学习 · 计算机科学 2025-06-23 Yunze Lin

Fine-tuning Large Language Models (LLMs) has become increasingly challenging due to their massive scale and associated computational costs. Parameter-Efficient Fine-Tuning (PEFT) methodologies have been proposed as computational…

计算与语言 · 计算机科学 2025-05-22 Jialong Han , Si Zhang , Ke Zhang

Large language models (LLMs) are increasingly used to generate executable outputs, JSON objects, and API calls, where a single syntax error can make the output unusable. Constrained decoding enforces validity token-by-token via masking and…

计算与语言 · 计算机科学 2026-03-05 Avinash Reddy , Thayne T. Walker , James S. Ide , Amrit Singh Bedi

Recent advances in large language models (LLMs) have inspired new paradigms for document reranking. While this paradigm better exploits the reasoning and contextual understanding capabilities of LLMs, most existing LLM-based rerankers rely…

信息检索 · 计算机科学 2026-02-16 Qi Liu , Kun Ai , Jiaxin Mao , Yanzhao Zhang , Mingxin Li , Dingkun Long , Pengjun Xie , Fengbin Zhu , Ji-Rong Wen

Mathematical reasoning presents a significant challenge for Large Language Models (LLMs) due to the extensive and precise chain of reasoning required for accuracy. Ensuring the correctness of each reasoning step is critical. To address…

机器学习 · 计算机科学 2024-06-28 Xin Lai , Zhuotao Tian , Yukang Chen , Senqiao Yang , Xiangru Peng , Jiaya Jia