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Related papers: The Disparate Impacts of Speculative Decoding

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Recent advancements in language models have led to significant improvements in mathematical reasoning across various benchmarks. However, most of these benchmarks rely on automatic evaluation methods that only compare final answers using…

Computation and Language · Computer Science 2025-09-19 Yu Wang , Nan Yang , Liang Wang , Furu Wei , Fuli Feng

Recent advances in inference-time compute have significantly improved performance on complex tasks by generating long chains of thought (CoTs) using Large Reasoning Models (LRMs). However, this improved accuracy comes at the cost of high…

Machine Learning · Computer Science 2025-05-20 Rui Pan , Yinwei Dai , Zhihao Zhang , Gabriele Oliaro , Zhihao Jia , Ravi Netravali

To reduce the latency associated with autoretrogressive LLM inference, speculative decoding has emerged as a novel decoding paradigm, where future tokens are drafted and verified in parallel. However, the practical deployment of speculative…

Computation and Language · Computer Science 2024-12-03 Shwetha Somasundaram , Anirudh Phukan , Apoorv Saxena

Speculative decoding accelerates large language model inference by pairing a target model with a lightweight draft model whose proposed tokens are verified in parallel. A common way to build draft models, like EAGLE3 or DFlash is supervised…

Computation and Language · Computer Science 2026-05-29 Haodi Lei , Yafy Li , Haoran Zhang , Shunkai Zhang , Qianjia Cheng , Xiaoye Qu , Ganqu Cui , Bowen Zhou , Ning Ding , Yun Luo , Yu Cheng

Large language models and large multimodal models (LLMs and LMMs) deliver strong generative performance but suffer from slow decoding, a problem that becomes more severe when handling visual inputs, whose sequences typically contain many…

Computer Vision and Pattern Recognition · Computer Science 2026-02-04 Zihua Wang , Ruibo Li , Haozhe Du , Joey Tianyi Zhou , Yu Zhang , Xu Yang

Speculative decoding (SD) has been demonstrated as an effective technique for lossless LLM inference acceleration. Retrieval-based SD methods, one kind of model-free method, have yielded promising speedup, but they often rely on incomplete…

Computation and Language · Computer Science 2024-12-17 Yuxuan Hu , Ke Wang , Xiaokang Zhang , Fanjin Zhang , Cuiping Li , Hong Chen , Jing Zhang

Scheduled sampling is widely used to mitigate the exposure bias problem for neural machine translation. Its core motivation is to simulate the inference scene during training by replacing ground-truth tokens with predicted tokens, thus…

Computation and Language · Computer Science 2021-09-01 Yijin Liu , Fandong Meng , Yufeng Chen , Jinan Xu , Jie Zhou

Speculative decoding accelerates LLMs by using a lightweight draft model to generate tokens autoregressively before verifying them in parallel with a larger target model. However, determining the optimal number of tokens to draft remains a…

Machine Learning · Computer Science 2025-11-05 Aditya Sridhar , Nish Sinnadurai , Sean Lie , Vithursan Thangarasa

Speculative decoding accelerates Large Language Model (LLM) inference by verifying multiple drafted tokens in parallel. However, for Mixture-of-Experts (MoE) models, this parallelism introduces a severe bottleneck: large draft trees…

Machine Learning · Computer Science 2026-02-19 Bradley McDanel , Steven Li , Sruthikesh Surineni , Harshit Khaitan

Machine learning models have achieved widespread success but often inherit and amplify historical biases, resulting in unfair outcomes. Traditional fairness methods typically impose constraints at the prediction level, without addressing…

Machine Learning · Statistics 2026-02-10 Enze Shi , Pankaj Bhagwat , Zhixian Yang , Linglong Kong , Bei Jiang

The most common training pipeline for large language models includes pretraining, finetuning and aligning phases, with their respective resulting models, such as the pretrained model and the finetuned model. Finetuned and aligned models…

Computation and Language · Computer Science 2024-02-29 Lifeng Jin , Baolin Peng , Linfeng Song , Haitao Mi , Ye Tian , Dong Yu

Rollout dominates the training time in large language model (LLM) post-training, where the trained model is used to generate tokens given a batch of prompts. This work, SpecActor, achieves fast rollout with speculative decoding that deploys…

Distributed, Parallel, and Cluster Computing · Computer Science 2025-12-24 Rongxin Cheng , Kai Zhou , Xingda Wei , Siyuan Liu , Mingcong Han , Mingjing Ai , Yeju Zhou , Baoquan Zhong , Wencong Xiao , Rong Chen , Haibo Chen

Striking an optimal balance between minimal drafting latency and high speculation accuracy to enhance the inference speed of Large Language Models remains a significant challenge in speculative decoding. In this paper, we introduce Falcon,…

Computation and Language · Computer Science 2025-04-23 Xiangxiang Gao , Weisheng Xie , Yiwei Xiang , Feng Ji

Speculative decoding accelerates LLM inference by letting a small drafter propose multiple tokens which a large target model verifies once per speculation step. As vocabularies scale past 10e5 tokens,verification cost in the target model is…

Computation and Language · Computer Science 2026-02-04 Jinbin Zhang , Nasib Ullah , Erik Schultheis , Rohit Babbar

Speculative Decoding (SD) ensures that the output matches the target model's distribution exactly. However, we argue that this distribution matching requirement is too stringent and results in unnecessarily low acceptance rates, limiting…

Speculative decoding (SD) has emerged as a promising approach to accelerate LLM inference without sacrificing output quality. Existing SD methods tailored for video-LLMs primarily focus on pruning redundant visual tokens to mitigate the…

Computer Vision and Pattern Recognition · Computer Science 2026-01-14 Qitan Lv , Tianyu Liu , Wen Wu , Xuenan Xu , Bowen Zhou , Feng Wu , Chao Zhang

Autoregressive large language models (LLMs) deliver strong performance but require inherently sequential decoding, leading to high inference latency and poor GPU utilization. Speculative decoding mitigates this bottleneck by using a fast…

Computation and Language · Computer Science 2026-05-29 Jian Chen , Yesheng Liang , Zhijian Liu

Large Language Models (LLMs) have been widely adopted in ranking systems such as information retrieval (IR) systems and recommender systems (RSs). To alleviate the latency of auto-regressive decoding, some studies explore the single (first)…

Artificial Intelligence · Computer Science 2025-05-28 Yingpeng Du , Tianjun Wei , Zhu Sun , Jie Zhang

This paper presents "Predictive Pipelined Decoding (PPD)," an approach that speeds up greedy decoding in Large Language Models (LLMs) while maintaining the exact same output as the original decoding. Unlike conventional strategies, PPD…

Computation and Language · Computer Science 2024-07-30 Seongjun Yang , Gibbeum Lee , Jaewoong Cho , Dimitris Papailiopoulos , Kangwook Lee

The growing demand for on-device large language model (LLM) inference highlights the need for efficient mobile edge computing (MEC) solutions, especially in resource-constrained settings. Speculative decoding offers a promising solution by…

Machine Learning · Computer Science 2025-12-01 Jungyeon Koh , Hyun Jong Yang