activity
20152026
most citedNXgraph: An Efficient Graph Processing System on a Single Machine

89 citations · 194 across the 58 of their papers we have counts for

collaborators

62 papers

cs.AR2026

PDD: Unleashing Economical and Flexible Heterogeneous LLM Inference via Cross-Datacenter Prefill-Decode Disaggregation

Yida Wang, Xiuhong Li, Jianping Ma +9

Interconnecting geographically dispersed clusters over wide-area Ethernet provides a scalable and cost-effective alternative to dedicated intra-datacenter heterogeneous clusters fo…

cs.LG2026

Claw-SWE-Bench: A Benchmark for Evaluating OpenClaw-style Agent Harnesses on Coding Tasks

Mengyu Zheng, Kai Han, Boxun Li +13

The software engineering capabilities of general-purpose agent harnesses remain underexplored, and existing benchmarks offer limited support for comparing these harnesses under con…

cs.AI2026

Infini Memory: Maintainable Topic Documents for Long-Term LLM Agent Memory

Suozhao Ji, Baodong Wu, Zehao Wang +8

Long-term LLM agents need persistent memory that can track changing facts and provide relevant evidence across sessions. Existing memory systems often store observations as isolate…

cs.LG2026

Elastic-dLLM: Position Preserving Context Compression and Augmentation of Diffusion LLMs

Junyi Wu, Tianchen Zhao, Shaoqiu Zhang +3

Unlike autoregressive models, which generate one token at a time, dLLMs denoise a chunk of [MASK] tokens jointly and sample one or more tokens per step; despite enabling parallel d…

cs.LG2026

DynaTrain: Fast Online Parallelism Switching for Elastic LLM Training

Yuanqing Wang, Yuchen Zhang, Hao Lin +9

Modern large language model (LLM) training is inherently dynamic: resource fluctuations, RLHF phase shifts, and cluster elasticity continually reshape the optimal parallelism layou…

cs.DC2025

FUSCO: High-Performance Distributed Data Shuffling via Transformation-Communication Fusion

Zhuoran Zhu, Chunyang Zhu, Hao Lin +9

Large-scale Mixture-of-Experts (MoE) models rely on \emph{expert parallelism} for efficient training and inference, which splits experts across devices and necessitates distributed…

cs.CV2025

SJD++: Improved Speculative Jacobi Decoding for Training-free Acceleration of Discrete Auto-regressive Text-to-Image Generation

Yao Teng, Zhihuan Jiang, Han Shi +6

Large autoregressive models can generate high-quality, high-resolution images but suffer from slow generation speed, because these models require hundreds to thousands of sequentia…

cs.AI2025

Reducing Latency of LLM Search Agent via Speculation-based Algorithm-System Co-Design

Zixiao Huang, Wen Zeng, Tianyu Fu +10

LLM-based search agents achieve strong performance but suffer from severe latency, as each step requires serialized LLM reasoning followed by action of tool execution. We revisit t…

cs.LG2025

BitSnap: Checkpoint Sparsification and Quantization in LLM Training

Yanxin Peng, Qingping Li, Baodong Wu +4

As large language models (LLMs) continue to grow in size and complexity, efficient checkpoint saving\&loading has become crucial for managing storage, memory usage, and fault toler…

cs.CL2025

Think-at-Hard: Dynamic Looped Transformers for Improved Reasoning

Tianyu Fu, Yichen You, Zekai Chen +3

Improving the reasoning abilities of Large Language Models (LLMs), especially under parameter constraints, is crucial for real-world applications. Looped transformers address this…

cs.LG2025

Distilled Decoding 2: One-step Sampling of Image Auto-regressive Models with Conditional Score Distillation

Enshu Liu, Qian Chen, Xuefei Ning +4

Image Auto-regressive (AR) models have emerged as a powerful paradigm of visual generative models. Despite their promising performance, they suffer from slow generation speed due t…

cs.CL2025

ReXMoE: Reusing Experts with Minimal Overhead in Mixture-of-Experts

Zheyue Tan, Zhiyuan Li, Tao Yuan +13

Mixture-of-Experts (MoE) architectures have emerged as a promising approach to scale Large Language Models (LLMs). MoE boosts the efficiency by activating a subset of experts per t…

cs.LG2025

TASP: Topology-aware Sequence Parallelism

Yida Wang, Ke Hong, Xiuhong Li +4

Long-context large language models (LLMs) face constraints due to the quadratic complexity of the self-attention mechanism. The mainstream sequence parallelism (SP) method, Ring At…

cs.CL2025

Cache-to-Cache: Direct Semantic Communication Between Large Language Models

Tianyu Fu, Zihan Min, Hanling Zhang +4

Multi-LLM systems harness the complementary strengths of diverse Large Language Models, achieving performance and efficiency gains that are not attainable by a single model. In exi…

cs.LG2025

RLinf: Flexible and Efficient Large-scale Reinforcement Learning via Macro-to-Micro Flow Transformation

Chao Yu, Yuanqing Wang, Zhen Guo +26

Reinforcement learning (RL) has demonstrated immense potential in advancing artificial general intelligence, agentic intelligence, and embodied intelligence. However, the inherent…

cs.CL2025

VocabTailor: Dynamic Vocabulary Selection for Downstream Tasks in Small Language Models

Hanling Zhang, Yayu Zhou, Tongcheng Fang +4

Small Language Models (SLMs) provide computational advantages in resource-constrained environments, yet memory limitations remain a critical bottleneck for edge device deployment.…

cs.LG2025★ 1 cited

STAlloc: Enhancing Memory Efficiency in Large-Scale Model Training with Spatio-Temporal Planning

Zixiao Huang, Junhao Hu, Hao Lin +9

The rapid scaling of large language models (LLMs) has significantly increased GPU memory pressure, which is further aggravated by training optimization techniques such as virtual p…

cs.CL2025

R2R: Efficiently Navigating Divergent Reasoning Paths with Small-Large Model Token Routing

Tianyu Fu, Yi Ge, Yichen You +6

Large Language Models (LLMs) achieve impressive reasoning capabilities at the cost of substantial inference overhead, posing substantial deployment challenges. Although distilled S…

cs.CL2025

PM-KVQ: Progressive Mixed-precision KV Cache Quantization for Long-CoT LLMs

Tengxuan Liu, Shiyao Li, Jiayi Yang +7

Recently, significant progress has been made in developing reasoning-capable Large Language Models (LLMs) through long Chain-of-Thought (CoT) techniques. However, this long-CoT rea…

cs.CL2025

semi-PD: Towards Efficient LLM Serving via Phase-Wise Disaggregated Computation and Unified Storage

Ke Hong, Lufang Chen, Zhong Wang +9

Existing large language model (LLM) serving systems fall into two categories: 1) a unified system where prefill phase and decode phase are co-located on the same GPU, sharing the u…

cs.CV2025

VGDFR: Diffusion-based Video Generation with Dynamic Latent Frame Rate

Zhihang Yuan, Rui Xie, Yuzhang Shang +5

Diffusion Transformer(DiT)-based generation models have achieved remarkable success in video generation. However, their inherent computational demands pose significant efficiency c…

cs.CV2025

DLFR-VAE: Dynamic Latent Frame Rate VAE for Video Generation

Zhihang Yuan, Siyuan Wang, Rui Xie +6

In this paper, we propose the Dynamic Latent Frame Rate VAE (DLFR-VAE), a training-free paradigm that can make use of adaptive temporal compression in latent space. While existing…

cs.DC2025★ 1 cited

Efficient and Adaptable Overlapping for Computation and Communication via Signaling and Reordering

Ke Hong, Xiuhong Li, Minxu Liu +9

Generative models have achieved remarkable success across various applications, driving the demand for multi-GPU computing. Inter-GPU communication becomes a bottleneck in multi-GP…

cs.CV2025

DiTFastAttnV2: Head-wise Attention Compression for Multi-Modality Diffusion Transformers

Hanling Zhang, Rundong Su, Zhihang Yuan +5

Text-to-image generation models, especially Multimodal Diffusion Transformers (MMDiT), have shown remarkable progress in generating high-quality images. However, these models often…