activity
20232026
most citedHybridFlow: A Flexible and Efficient RLHF Framework

45 citations · 55 across the 12 of their papers we have counts for

collaborators

13 papers

cs.LG2026

Towards Full Pipeline FP8 Reinforcement Learning for LLMs

Fanchao Chen, Ziheng Jiang, Ziyun Wei +5

Reinforcement learning (RL) has become a key technique for improving the reasoning and agentic abilities of large language models (LLMs). Although FP8 quantization can accelerate R…

cs.LG2026

DisagMoE: Computation-Communication overlapped MoE Training via Disaggregated AF-Pipe Parallelism

Zhichen Zeng, Chi-Chih Chang, Jiayi Wang +10

Mixture-of-experts (MoE) architectures enable trillion-parameter LLMs with sparsely activated experts. Expert parallelism (EP) is a widely adopted MoE training strategy, but it suf…

cs.DC2026

MegaScale-Omni: A Hyper-Scale, Workload-Resilient System for MultiModal LLM Training in Production

Chunyu Xue, Yangrui Chen, Jianyu Jiang +14

As the foundational component of versatile AI applications, training an multimodal large language model (MLLM) relies on multimodal datasets with dynamic modality mixture proportio…

cs.LG2025

Robust LLM Training Infrastructure at ByteDance

Borui Wan, Gaohong Liu, Zuquan Song +32

The training scale of large language models (LLMs) has reached tens of thousands of GPUs and is still continuously expanding, enabling faster learning of larger models. Accompanyin…

cs.LG2025

Laminar: A Scalable Asynchronous RL Post-Training Framework

Guangming Sheng, Yuxuan Tong, Borui Wan +10

Reinforcement learning (RL) post-training for Large Language Models (LLMs) is now scaling to large clusters and running for extended durations to enhance model reasoning performanc…

cs.PL2025

veScale: Consistent and Efficient Tensor Programming with Eager-Mode SPMD

Youjie Li, Cheng Wan, Zhiqi Lin +10

Large Language Models (LLMs) have scaled rapidly in size and complexity, requiring increasingly intricate parallelism for distributed training, such as 3D parallelism. This sophist…

cs.DC2025

MegaScale-Data: Scaling Dataloader for Multisource Large Foundation Model Training

Juntao Zhao, Qi Lu, Wei Jia +13

Modern frameworks for training large foundation models (LFMs) employ dataloaders in a data-parallel manner, with each loader processing a disjoint subset of training data. When pre…

cs.LG2024★ 45 cited

HybridFlow: A Flexible and Efficient RLHF Framework

Guangming Sheng, Chi Zhang, Zilingfeng Ye +6

Reinforcement Learning from Human Feedback (RLHF) is widely used in Large Language Model (LLM) alignment. Traditional RL can be modeled as a dataflow, where each node represents co…

cs.CL2024

Optimus: Accelerating Large-Scale Multi-Modal LLM Training by Bubble Exploitation

Weiqi Feng, Yangrui Chen, Shaoyu Wang +3

Multimodal large language models (MLLMs) have extended the success of large language models (LLMs) to multiple data types, such as image, text and audio, achieving significant perf…

cs.LG2024

QSync: Quantization-Minimized Synchronous Distributed Training Across Hybrid Devices

Juntao Zhao, Borui Wan, Yanghua Peng +3

A number of production deep learning clusters have attempted to explore inference hardware for DNN training, at the off-peak serving hours with many inference GPUs idling. Conducti…

cs.AI2024

ByteCheckpoint: A Unified Checkpointing System for Large Foundation Model Development

Borui Wan, Mingji Han, Yiyao Sheng +9

Checkpointing to preserve training states is crucial during the development of Large Foundation Models (LFMs), for training resumption upon various failures or changes in GPU resou…

cs.LG2024★ 3 cited

LLM-PQ: Serving LLM on Heterogeneous Clusters with Phase-Aware Partition and Adaptive Quantization

Juntao Zhao, Borui Wan, Yanghua Peng +2

Recent breakthroughs in Large-scale language models (LLMs) have demonstrated impressive performance on various tasks. The immense sizes of LLMs have led to very high resource deman…

cs.LG2023★ 7 cited

CDMPP: A Device-Model Agnostic Framework for Latency Prediction of Tensor Programs

Hanpeng Hu, Junwei Su, Juntao Zhao +4

Deep Neural Networks (DNNs) have shown excellent performance in a wide range of machine learning applications. Knowing the latency of running a DNN model or tensor program on a spe…