activity
20242026
most citedHTAP Databases: A Survey

17 citations · 21 across the 34 of their papers we have counts for

collaborators

37 papers

cs.CV2026

Vidu S2: Real-Time Interactive, Editable, and Spatial Video Generation

Jintao Zhang, Kai Jiang, Jintao Chen +32

We present Vidu S2, which comprises Vidu S2-Avatar, a real-time interactive digital-character model, and Vidu S2-Editing, a real-time video editing model. Moreover, we explore the…

cs.CV2026

TurboT2VA: Fast Large-Scale Text-to-Video-Audio Generation via Score-Regularized Consistency Distillation

Xiaoda Yang, Yuxiang Liu, Kaiwen Zheng +12

Joint text-to-video-audio generation produces synchronized visual and acoustic content, but the long sampling trajectories and heterogeneous multimodal computation of large models…

cs.CV2026

Vidu S1: A Real-Time Interactive Video Generation Model

Jintao Zhang, Kai Jiang, Jintao Chen +24

We introduce Vidu S1, a real-time interactive video generation model supporting voice control of digital characters. Users can control video generation content at any moment throug…

cs.CV2026

Causal-rCM: A Unified Teacher-Forcing and Self-Forcing Open Recipe for Autoregressive Diffusion Distillation in Streaming Video Generation and Interactive World Models

Kaiwen Zheng, Guande He, Min Zhao +7

Autoregressive video diffusion with causal diffusion transformers has emerged as a major paradigm for real-time streaming video generation and action-conditioned interactive world…

cs.DC2026

TurboServe: Serving Streaming Video Generation Efficiently and Economically

Youhe Jiang, Haoxu Wang, Haotong Bao +5

Streaming video generation is emerging as a new serving workload in which users interact with long-lived sessions that generate video progressively, chunk by chunk. Unlike offline…

cs.LG2026

KernelBenchX: A Comprehensive Benchmark for Evaluating LLM-Generated GPU Kernels

Han Wang, Jintao Zhang, Kai Jiang +3

LLM-based Triton kernel generation has attracted significant interest, yet a fundamental empirical question remains unanswered: where does this capability break down, and why? We p…

cs.CV2026

Speculative Decoding for Autoregressive Video Generation

Yuezhou Hu, Jintao Zhang

Autoregressive video diffusion is emerging as a promising paradigm for streaming video synthesis, with step distillation serving as the primary means of accelerating inference. Whe…

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.AR2026

SHIELD: A Segmented Hierarchical Memory Architecture for Energy-Efficient LLM Inference on Edge NPUs

Jintao Zhang, Xuanyao Fong

Large Language Model (LLM) inference on edge Neural Processing Units (NPUs) is fundamentally constrained by limited on-chip memory capacity. Although high-density embedded DRAM (eD…

cs.CV2026

6Bit-Diffusion: Inference-Time Mixed-Precision Quantization for Video Diffusion Models

Rundong Su, Jintao Zhang, Zhihang Yuan +3

Diffusion transformers have demonstrated remarkable capabilities in generating videos. However, their practical deployment is severely constrained by high memory usage and computat…

cs.CV2026

HybridStitch: Token-Adaptive Model Stitching for Efficient Diffusion Generation

Desen Sun, Jason Hon, Jintao Zhang +1

Iterative diffusion generation requires different amounts of model capacity at different token positions. Prior model combinations allocate capacity by denoising step or by draftin…

cs.LG2026

SageBwd: A Trainable Low-bit Attention

Jintao Zhang, Marco Chen, Haoxu Wang +5

Low-bit attention, such as SageAttention, has emerged as an effective approach for accelerating model inference, but its applicability to training remains poorly understood. In pri…

cs.CV2026

SVG-EAR: Parameter-Free Linear Compensation for Sparse Video Generation via Error-aware Routing

Xuanyi Zhou, Qiuyang Mang, Shuo Yang +7

Diffusion Transformers (DiTs) have become a leading backbone for video generation, yet their quadratic attention cost remains a major bottleneck. Sparse attention reduces this cost…

cs.CV2026

Geometry-Aware Rotary Position Embedding for Consistent Video World Model

Chendong Xiang, Jiajun Liu, Jintao Zhang +7

Predictive world models that simulate future observations under explicit camera control are fundamental to interactive AI. Despite rapid advances, current systems lack spatial pers…

cs.CV2026

SpargeAttention2: Trainable Sparse Attention via Hybrid Top-k+Top-p Masking and Distillation Fine-Tuning

Jintao Zhang, Kai Jiang, Chendong Xiang +5

Many training-free sparse attention methods are effective for accelerating diffusion models. Recently, several works suggest that making sparse attention trainable can further incr…

cs.LG2026

SLA2: Sparse-Linear Attention with Learnable Routing and Quantization-aware Training

Jintao Zhang, Haoxu Wang, Kai Jiang +6

Sparse-Linear Attention (SLA) combines sparse and linear attention to accelerate diffusion models and has shown strong performance in video generation. However, (i) SLA relies on a…

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

TurboDiffusion: Accelerating Video Diffusion Models by 100-200 Times

Jintao Zhang, Kaiwen Zheng, Kai Jiang +5

We introduce TurboDiffusion, a video generation acceleration framework that can speed up end-to-end diffusion generation by 100-200x while maintaining video quality. TurboDiffusion…

cs.CV2025

UltraViCo: Breaking Extrapolation Limits in Video Diffusion Transformers

Min Zhao, Hongzhou Zhu, Yingze Wang +6

Despite advances, video diffusion transformers still struggle to generalize beyond their training length, a challenge we term video length extrapolation. We identify two failure mo…

cs.CV2025

Large Scale Diffusion Distillation via Score-Regularized Continuous-Time Consistency

Kaiwen Zheng, Yuji Wang, Qianli Ma +7

Although continuous-time consistency models (e.g., sCM, MeanFlow) are theoretically principled and empirically powerful for fast academic-scale diffusion, its applicability to larg…

cs.LG2025

SLA: Beyond Sparsity in Diffusion Transformers via Fine-Tunable Sparse-Linear Attention

Jintao Zhang, Haoxu Wang, Kai Jiang +10

In Diffusion Transformer (DiT) models, particularly for video generation, attention latency is a major bottleneck due to the long sequence length and the quadratic complexity. We f…

cs.DB2025

A Lightweight Learned Cardinality Estimation Model

Yaoyu Zhu, Jintao Zhang, Guoliang Li +1

Cardinality estimation is a fundamental task in database management systems, aiming to predict query results accurately without executing the queries. However, existing techniques…

cs.LG2025

SageAttention2++: A More Efficient Implementation of SageAttention2

Jintao Zhang, Xiaoming Xu, Jia Wei +5

The efficiency of attention is critical because its time complexity grows quadratically with sequence length. SageAttention2 addresses this by utilizing quantization to accelerate…