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In this paper, we explore the spatial redundancy in video recognition with the aim to improve the computational efficiency. It is observed that the most informative region in each frame of a video is usually a small image patch, which…

计算机视觉与模式识别 · 计算机科学 2021-08-19 Yulin Wang , Zhaoxi Chen , Haojun Jiang , Shiji Song , Yizeng Han , Gao Huang

Due to the auto-regressive nature of current video large language models (Video-LLMs), the inference latency increases as the input sequence length grows, posing challenges for the efficient processing of video sequences that are usually…

计算机视觉与模式识别 · 计算机科学 2026-05-19 Xuan Zhang , Cunxiao Du , Sicheng Yu , Jiawei Wu , Fengzhuo Zhang , Wei Gao , Qian Liu

Multi-device inference can reduce Transformer latency by parallelizing computation. However, existing methods require high inter-device bandwidth, making them impractical for bandwidth-constrained environments. We present ASTRA, a…

机器学习 · 计算机科学 2026-05-28 Xiao Liu , Lijun Zhang , Deepak Ganesan , Hui Guan

While Transformer self-attention offers strong parallelism, the Key-Value (KV) cache grows linearly with sequence length and becomes a bottleneck for inference efficiency. Multi-head latent attention was recently developed to compress the…

机器学习 · 计算机科学 2025-11-04 Keqi Deng , Philip C. Woodland

Modern large language models (LLMs) increasingly depends on efficient long-context processing and generation mechanisms, including sparse attention, retrieval-augmented generation (RAG), and compressed contextual memory, to support complex…

分布式、并行与集群计算 · 计算机科学 2026-05-12 Zifan He , Rui Ma , Yizhou Sun , Jason Cong

Multi-Head Latent Attention (MLA), introduced in DeepSeek-V2, compresses key-value states into a low-rank latent vector, caching only this vector to reduce memory. In tensor parallelism (TP), however, attention heads are computed across…

机器学习 · 计算机科学 2025-08-26 Xiaojuan Tang , Fanxu Meng , Pingzhi Tang , Yuxuan Wang , Di Yin , Xing Sun , Muhan Zhang

Neuro-symbolic approaches to long-form video question answering (LVQA) have demonstrated significant accuracy improvements by grounding temporal reasoning in formal verification. However, existing methods incur prohibitive latency…

计算机视觉与模式识别 · 计算机科学 2026-03-02 Shawn Liang , Sahil Shah , Chengwei Zhou , SP Sharan , Harsh Goel , Arnab Sanyal , Sandeep Chinchali , Gourav Datta

Recent long-form video-language understanding benchmarks have driven progress in video large multimodal models (Video-LMMs). However, the scarcity of well-annotated long videos has left the training of hour-long Video-LMMs underexplored. To…

计算机视觉与模式识别 · 计算机科学 2025-12-03 Jingyang Lin , Jialian Wu , Ximeng Sun , Ze Wang , Jiang Liu , Yusheng Su , Xiaodong Yu , Hao Chen , Jiebo Luo , Zicheng Liu , Emad Barsoum

Human vision is dynamic and continuous. However, in video understanding with multimodal large language models (LLMs), existing methods primarily rely on static features extracted from images sampled at a fixed low frame rate of…

计算机视觉与模式识别 · 计算机科学 2025-06-19 Yixuan Li , Changli Tang , Jimin Zhuang , Yudong Yang , Guangzhi Sun , Wei Li , Zejun Ma , Chao Zhang

Long-context inference in LLMs faces the dual challenges of quadratic attention complexity and prohibitive KV cache memory. While token-level sparse attention offers superior accuracy, its indexing overhead is costly; block-level methods…

计算与语言 · 计算机科学 2026-04-10 Yuxuan Hu , Jianchao Tan , Jiaqi Zhang , Wen Zan , Pingwei Sun , Yifan Lu , Yerui Sun , Yuchen Xie , Xunliang Cai , Jing Zhang

As large language models (LLMs) continue to support increasingly longer contexts, the memory demand for key-value (KV) caches during decoding grows rapidly, becoming a critical bottleneck in both GPU memory capacity and PCIe bandwidth.…

机器学习 · 计算机科学 2025-06-23 Feiyu Yao , Qian Wang

Visual AutoRegressive (VAR) modeling has garnered significant attention for its innovative next-scale prediction paradigm. However, mainstream VAR paradigms attend to all tokens across historical scales at each autoregressive step. As the…

计算机视觉与模式识别 · 计算机科学 2026-03-31 Zekun Li , Ning Wang , Tongxin Bai , Changwang Mei , Peisong Wang , Shuang Qiu , Jian Cheng

Multi-modal large language models (MLLMs) have advanced general-purpose video understanding but struggle with long, high-resolution videos -- they process every pixel equally in their vision transformers (ViTs) or LLMs despite significant…

计算机视觉与模式识别 · 计算机科学 2026-03-13 Baifeng Shi , Stephanie Fu , Long Lian , Hanrong Ye , David Eigen , Aaron Reite , Boyi Li , Jan Kautz , Song Han , David M. Chan , Pavlo Molchanov , Trevor Darrell , Hongxu Yin

Pure vision transformer architectures are highly effective for short video classification and action recognition tasks. However, due to the quadratic complexity of self attention and lack of inductive bias, transformers are resource…

计算机视觉与模式识别 · 计算机科学 2022-08-04 Edward Fish , Jon Weinbren , Andrew Gilbert

The increasing adoption of large language models (LLMs) necessitates inference serving systems that can deliver both high throughput and low latency. Deploying LLMs with hundreds of billions of parameters on memory-constrained GPUs exposes…

分布式、并行与集群计算 · 计算机科学 2025-03-10 Bowen Pang , Kai Li , Feifan Wang

Sequence parallelism (SP), which divides the sequence dimension of input tensors across multiple computational devices, is becoming key to unlocking the long-context capabilities of generative AI models. This paper investigates the…

机器学习 · 计算机科学 2024-07-03 Jiarui Fang , Shangchun Zhao

Vision-Language Models (VLMs) have demonstrated strong performance on multimodal reasoning tasks, but their deployment remains challenging due to high inference latency and computational cost, particularly when processing high-resolution…

计算机视觉与模式识别 · 计算机科学 2025-12-25 Putu Indah Githa Cahyani , Komang David Dananjaya Suartana , Novanto Yudistira

While FP8 attention has shown substantial promise in innovations like FlashAttention-3, its integration into the decoding phase of the DeepSeek Multi-head Latent Attention (MLA) architecture presents notable challenges. These challenges…

机器学习 · 计算机科学 2026-04-29 Yifan Zhang , Zunhai Su , Shuhao Hu , Rui Yang , Wei Wu , Yulei Qian , Yuchen Xie , Xunliang Cai

Understanding long-form video content presents significant challenges due to its temporal complexity and the substantial computational resources required. In this work, we propose an agent-based approach to enhance both the efficiency and…

计算机视觉与模式识别 · 计算机科学 2024-10-29 Sullam Jeoung , Goeric Huybrechts , Bhavana Ganesh , Aram Galstyan , Sravan Bodapati

Long-context Multimodal Large Language Models (MLLMs) that incorporate long text-image and text-video modalities, demand substantial resources as their multimodal Key-Value (KV) caches grow with increasing input lengths, challenging…

计算与语言 · 计算机科学 2025-03-14 Zhongwei Wan , Hui Shen , Xin Wang , Che Liu , Zheda Mai , Mi Zhang