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20232026
most citedSparse VideoGen: Accelerating Video Diffusion Transformers with Spatial-Temporal Sparsity

1 citations · 2 across the 24 of their papers we have counts for

collaborators

27 papers

cs.LG2026

Video DeltaNet: A Video-Native Hybrid Attention for Livestream Video Generation

Haocheng Xi, Yiming Xie, Hexu Zhao +8

Video diffusion models repeatedly process long spatiotemporal token sequences during denoising, making attention a major computational bottleneck. Linear attention offers an appeal…

cs.DC2026

FreeToken: Efficient Edge-Native MoE Serving with Bandwidth-Adaptive Execution

Shuo Yang, Xiaoze Fan, Melissa Pan +8

Frontier open-weight models are increasingly available, but serving them still largely assumes datacenter infrastructure. We present FreeToken, an edge-native MoE serving system th…

cs.CL2026

REAR: Test-time Preference Realignment through Reward Decomposition

Fuxiang Zhang, Pengcheng Wang, Chenran Li +6

Aligning large language models (LLMs) with diverse user preferences is a critical yet challenging task. While post-training methods can adapt models to specific needs, they often r…

cs.CV2026

Video Compression Meets Video Generation: Latent Inter-Frame Pruning with Attention Recovery

Dennis Menn, Yuedong Yang, Bokun Wang +6

Current video generation models suffer from high computational latency, making real-time applications prohibitively costly. In this paper, we address this limitation by exploiting…

cs.LG2026

SAW-INT4: System-Aware 4-Bit KV-Cache Quantization for Real-World LLM Serving

Jinda Jia, Jisen Li, Zhongzhu Zhou +8

KV-cache memory is a major bottleneck in real-world LLM serving, where systems must simultaneously support latency-sensitive small-batch requests and high-throughput concurrent wor…

cs.CV2026

Rethinking Image-to-3D Generation with Sparse Queries: Efficiency, Capacity, and Input-View Bias

Zhiyuan Xu, Jiuming Liu, Yuxin Chen +3

We present SparseGen, a novel framework for efficient image-to-3D generation, which exhibits low input-view bias while being significantly faster. Unlike traditional approaches tha…

cs.CL2026

LoSA: Locality Aware Sparse Attention for Block-Wise Diffusion Language Models

Haocheng Xi, Harman Singh, Yuezhou Hu +9

Block-wise diffusion language models (DLMs) generate multiple tokens in any order, offering a promising alternative to the autoregressive decoding pipeline. However, they still rem…

cs.AI2026

Introspective Diffusion Language Models

Yifan Yu, Yuqing Jian, Junxiong Wang +12

Diffusion language models promise parallel generation, yet still lag behind autoregressive (AR) models in quality. We stem this gap to a failure of introspective consistency: AR mo…

cs.AI2026

Squeeze Evolve: Unified Multi-Model Orchestration for Verifier-Free Evolution

Monishwaran Maheswaran, Leon Lakhani, Zhongzhu Zhou +16

We show that verifier-free evolution is bottlenecked by both diversity and efficiency: without external correction, repeated evolution accelerates collapse toward narrow modes, whi…

cs.DC2026

Flash-KMeans: Fast and Memory-Efficient Exact K-Means

Shuo Yang, Haocheng Xi, Yilong Zhao +10

-means has historically been positioned primarily as an offline processing primitive, typically used for dataset organization or embedding preprocessing rather than as a first-c…

cs.LG2026

Quant VideoGen: Auto-Regressive Long Video Generation via 2-Bit KV-Cache Quantization

Haocheng Xi, Shuo Yang, Yilong Zhao +13

Despite rapid progress in autoregressive video diffusion, an emerging system algorithm bottleneck limits both deployability and generation capability: KV cache memory. In autoregre…

cs.CL2026

Residual Context Diffusion Language Models

Yuezhou Hu, Harman Singh, Monishwaran Maheswaran +10

Diffusion Large Language Models (dLLMs) have emerged as a promising alternative to purely autoregressive language models because they can decode multiple tokens in parallel. Howeve…

cs.CV2025

StreamDiffusionV2: A Streaming System for Dynamic and Interactive Video Generation

Tianrui Feng, Zhi Li, Shuo Yang +11

Generative models are reshaping the live-streaming industry by redefining how content is created, styled, and delivered. Previous image-based streaming diffusion models have powere…

cs.LG2025

Beyond Next-Token Prediction: A Performance Characterization of Diffusion versus Autoregressive Language Models

Minseo Kim, Coleman Hooper, Aditya Tomar +5

Large Language Models (LLMs) have achieved state-of-the-art performance on a broad range of Natural Language Processing (NLP) tasks, including document processing and code generati…

cs.LG2025

SparseLoRA: Accelerating LLM Fine-Tuning with Contextual Sparsity

Samir Khaki, Xiuyu Li, Junxian Guo +7

Fine-tuning LLMs is both computationally and memory-intensive. While parameter-efficient fine-tuning methods, such as QLoRA and DoRA, reduce the number of trainable parameters and…

cs.LG2025

Angles Don't Lie: Unlocking Training-Efficient RL Through the Model's Own Signals

Qinsi Wang, Jinghan Ke, Hancheng Ye +6

Current Reinforcement Fine-tuning (RFT) paradigms for Large Language Models (LLMs) suffer from sample inefficiency due to the redundant exposure of identical queries under uniform…

cs.CV2025

Sparse VideoGen2: Accelerate Video Generation with Sparse Attention via Semantic-Aware Permutation

Shuo Yang, Haocheng Xi, Yilong Zhao +10

Diffusion Transformers (DiTs) are essential for video generation but suffer from significant latency due to the quadratic complexity of attention. By computing only critical tokens…

cs.CV2025

Improved Immiscible Diffusion: Accelerate Diffusion Training by Reducing Its Miscibility

Yiheng Li, Feng Liang, Dan Kondratyuk +3

The substantial training cost of diffusion models hinders their deployment. Immiscible Diffusion recently showed that reducing diffusion trajectory mixing in the noise space via li…

cs.CV2025

Segment Any Motion in Videos

Nan Huang, Wenzhao Zheng, Chenfeng Xu +4

Moving object segmentation is a crucial task for achieving a high-level understanding of visual scenes and has numerous downstream applications. Humans can effortlessly segment mov…

cs.LG2025

Dobi-SVD: Differentiable SVD for LLM Compression and Some New Perspectives

Qinsi Wang, Jinghan Ke, Masayoshi Tomizuka +3

We provide a new LLM-compression solution via SVD, unlocking new possibilities for LLM compression beyond quantization and pruning. We point out that the optimal use of SVD lies in…

cs.CV2025★ 1 cited

Sparse VideoGen: Accelerating Video Diffusion Transformers with Spatial-Temporal Sparsity

Haocheng Xi, Shuo Yang, Yilong Zhao +11

Diffusion Transformers (DiTs) dominate video generation but their high computational cost severely limits real-world applicability, usually requiring tens of minutes to generate a…

cs.CV2024

Law of Vision Representation in MLLMs

Shijia Yang, Bohan Zhai, Quanzeng You +3

We present the "Law of Vision Representation" in multimodal large language models (MLLMs). It reveals a strong correlation between the combination of cross-modal alignment, corresp…

cs.CV2024

Sparse Refinement for Efficient High-Resolution Semantic Segmentation

Zhijian Liu, Zhuoyang Zhang, Samir Khaki +5

Semantic segmentation empowers numerous real-world applications, such as autonomous driving and augmented/mixed reality. These applications often operate on high-resolution images…

cs.CV2024

Immiscible Diffusion: Accelerating Diffusion Training with Noise Assignment

Yiheng Li, Heyang Jiang, Akio Kodaira +3

In this paper, we point out that suboptimal noise-data mapping leads to slow training of diffusion models. During diffusion training, current methods diffuse each image across the…