activity
20192026
most citedCommunication-Efficient Distributed Deep Learning: A Comprehensive Survey

90 citations · 250 across the 45 of their papers we have counts for

collaborators

48 papers

cs.AI2026

Agent-MD: Selective LLM Intervention with Event-Driven Escalation for Stateful GCMC--MD Campaigns

Yijie Wang, Zhen-Yu Yin, Zhenheng Tang +1

Long-running molecular simulation campaigns require repeated continuation from saved states, provenance-aware progression, adaptive assessment, and occasional interpretation of wor…

cs.LG2026

SNI-GNN: SmartNIC-Assisted Full-Graph GNN Training with In-Network Embedding Prediction

Guofan Yu, Sitian Chen, Zhenheng Tang +2

Full-graph GNN training delivers high accuracy but scales poorly on multi-server clusters due to heavy, irregular inter-node embedding exchanges. We present SNI-GNN, a SmartNIC-ass…

cs.AI2026

CoT-Core: Accelerating LLM Evaluation via CoT-Aware Coreset Selection

Qihua Pan, Zhenheng Tang, Peijie Dong +4

Evaluating Large Language Models (LLMs) incurs prohibitive computational overhead during continuous development processes. While coreset selection accelerates evaluation, existing…

cs.LG2026

DRNOISE: Benchmarking Deep Research Agents in Misleading Evidence Environments

Jun Nie, Zhiqin Yang, Zhenheng Tang +4

Deep research agents increasingly operate over the open web, where relevant records coexist with redundant summaries, outdated reports, and misleading documents. Existing evaluatio…

cs.CE2026

Position: LLM Inference Should Be Evaluated as Energy-to-Token Production

Xiang Liu, Shimiao Yuan, Zhenheng Tang +5

LLM inference is still evaluated mainly as a model or software problem: accuracy, latency, throughput, and hardware utilization. This is incomplete. At deployment scale, the releva…

cs.CL2026

VCG-Bench: Towards A Unified Visual-Centric Benchmark for Structured Generation and Editing

Xiaoyan Su, Peijie Dong, Zhenheng Tang +8

Despite the rapid advancements in Vision-Language Models (VLMs), a critical gap remains in their ability to handle structured, controllable diagrammatic tasks essential for profess…

cs.CY2026

Is Your LLM-as-a-Recommender Agent Trustable? LLMs' Recommendation is Easily Hacked by Biases (Preferences)

Zichen Tang, Zirui Zhang, Qian Wang +3

Current Large Language Models (LLMs) are gradually exploited in practically valuable agentic workflows such as Deep Research, E-commerce recommendation, and job recruitment. In the…

cs.LG2026

Rethinking Deep Research from the Perspective of Web Content Distribution Matching

Zixuan Yu, Zhenheng Tang, Tongliang Liu +3

Despite the integration of search tools, Deep Search Agents often suffer from a misalignment between reasoning-driven queries and the underlying web indexing structures. Existing f…

cs.IR2026

OmniReview: A Large-scale Benchmark and LLM-enhanced Framework for Realistic Reviewer Recommendation

Yehua Huang, Penglei Sun, Zebin Chen +2

Academic peer review remains the cornerstone of scholarly validation, yet the field faces some challenges in data and methods. From the data perspective, existing research is hinde…

cs.LG2026

Dissecting Outlier Dynamics in LLM NVFP4 Pretraining

Peijie Dong, Ruibo Fan, Yuechen Tao +11

Training large language models using 4-bit arithmetic enhances throughput and memory efficiency. Yet, the limited dynamic range of FP4 increases sensitivity to outliers. While NVFP…

cs.LG2026

On the Spectral Flattening of Quantized Embeddings

Junlin Huang, Wenyi Fang, Zhenheng Tang +5

Training Large Language Models (LLMs) at ultra-low precision is critically impeded by instability rooted in the conflict between discrete quantization constraints and the intrinsic…

cs.DC2025

Efficient MoE Inference with Fine-Grained Scheduling of Disaggregated Expert Parallelism

Xinglin Pan, Shaohuai Shi, Wenxiang Lin +4

The mixture-of-experts (MoE) architecture scales model size with sublinear computational increase but suffers from memory-intensive inference due to KV caches and sparse expert act…

cs.LG2025

Reasoning Language Model Inference Serving Unveiled: An Empirical Study

Qi Li, Junpan Wu, Xiang Liu +6

The reasoning large language model (RLLM) has been proven competitive in solving complex reasoning tasks such as mathematics, coding, compared to general LLM. However, the serving…

cs.DC2025

ElasWave: An Elastic-Native System for Scalable Hybrid-Parallel Training

Xueze Kang, Guangyu Xiang, Yuxin Wang +16

Large-scale LLM pretraining now runs across -- accelerators, making failures routine and elasticity mandatory. We posit that an elastic-native training system must join…

cs.CR2025

RouteMark: A Fingerprint for Intellectual Property Attribution in Routing-based Model Merging

Xin He, Junxi Shen, Zhenheng Tang +4

Model merging via Mixture-of-Experts (MoE) has emerged as a scalable solution for consolidating multiple task-specific models into a unified sparse architecture, where each expert…

cs.CL2025

AnTKV: Anchor Token-Aware Sub-Bit Vector Quantization for KV Cache in Large Language Models

Zeyu Li, Chuanfu Xiao, Yang Wang +6

Quantization has emerged as an effective and lightweight solution to reduce the memory footprint of the KV cache in Large Language Models. Nevertheless, minimizing the accuracy deg…

cs.LG2025

Can Compressed LLMs Truly Act? An Empirical Evaluation of Agentic Capabilities in LLM Compression

Peijie Dong, Zhenheng Tang, Xiang Liu +3

Post-training compression reduces the computational and memory costs of large language models (LLMs), enabling resource-efficient deployment. However, existing compression benchmar…

cs.DC2025

DreamDDP: Accelerating Data Parallel Distributed LLM Training with Layer-wise Scheduled Partial Synchronization

Zhenheng Tang, Zichen Tang, Junlin Huang +7

The growth of large language models (LLMs) increases challenges of accelerating distributed training across multiple GPUs in different data centers. Moreover, concerns about data p…

cs.LG2025★ 1 cited

One-shot Federated Learning Methods: A Practical Guide

Xiang Liu, Zhenheng Tang, Xia Li +6

One-shot Federated Learning (OFL) is a distributed machine learning paradigm that constrains client-server communication to a single round, addressing privacy and communication ove…

cs.LG2025

Mediator: Memory-efficient LLM Merging with Less Parameter Conflicts and Uncertainty Based Routing

Kunfeng Lai, Zhenheng Tang, Xinglin Pan +7

Model merging aggregates Large Language Models (LLMs) finetuned on different tasks into a stronger one. However, parameter conflicts between models leads to performance degradation…

cs.CL2025

Semantic Integrity Matters: Benchmarking and Preserving High-Density Reasoning in KV Cache Compression

Xiang Liu, Zhenheng Tang, Hong Chen +6

While Key-Value (KV) cache compression is essential for efficient LLM inference, current evaluations disproportionately focus on sparse retrieval tasks, potentially masking the deg…

cs.CL2025

ChunkKV: Semantic-Preserving KV Cache Compression for Efficient Long-Context LLM Inference

Xiang Liu, Zhenheng Tang, Peijie Dong +5

Large Language Models (LLMs) require significant GPU memory when processing long texts, with the key value (KV) cache consuming up to 70\% of total memory during inference. Althoug…

cs.LG2025★ 12 cited

FSMoE: A Flexible and Scalable Training System for Sparse Mixture-of-Experts Models

Xinglin Pan, Wenxiang Lin, Lin Zhang +5

Recent large language models (LLMs) have tended to leverage sparsity to reduce computations, employing the sparsely activated mixture-of-experts (MoE) technique. MoE introduces fou…

cs.LG2024★ 3 cited

FuseFL: One-Shot Federated Learning through the Lens of Causality with Progressive Model Fusion

Zhenheng Tang, Yonggang Zhang, Peijie Dong +4

One-shot Federated Learning (OFL) significantly reduces communication costs in FL by aggregating trained models only once. However, the performance of advanced OFL methods is far b…