activity
20232026
most citedMegaScale: Scaling Large Language Model Training to More Than 10,000 GPUs

24 citations · 56 across the 21 of their papers we have counts for

collaborators

22 papers

cs.LG2026

SRT: Accelerating Reinforcement Learning via Speculative Rollout with Tree-Structured Cache

Chi-Chih Chang, Siqi Zhu, Zhichen Zeng +5

We present Speculative Rollout with Tree-Structured Cache (SRT), a simple, model-free approach to accelerate on-policy reinforcement learning (RL) for language models without sacri…

cs.CL2026

Learning from Mistakes: Negative Reasoning Samples Enhance Out-of-Domain Generalization

Xueyun Tian, Minghua Ma, Bingbing Xu +6

Supervised fine-tuning (SFT) on chain-of-thought (CoT) trajectories demonstrations is a common approach for enabling reasoning in large language models. Standard practices typicall…

cs.LG2025★ 1 cited

FAPO: Flawed-Aware Policy Optimization for Efficient and Reliable Reasoning

Yuyang Ding, Chi Zhang, Juntao Li +2

Reinforcement learning with verifiable rewards (RLVR) has emerged as a promising paradigm for enhancing the reasoning capabilities of large language models (LLMs). In this context,…

cs.AI2025

Boosting Embodied AI Agents through Perception-Generation Disaggregation and Asynchronous Pipeline Execution

Shulai Zhang, Ao Xu, Quan Chen +6

Embodied AI systems operate in dynamic environments, requiring seamless integration of perception and generation modules to process high-frequency input and output demands. Traditi…

cs.DC2025

Verify Distributed Deep Learning Model Implementation Refinement with Iterative Relation Inference

Zhanghan Wang, Ding Ding, Hang Zhu +2

Distributed machine learning training and inference is common today because today's large models require more memory and compute than can be provided by a single GPU. Distributed m…

cs.DC2025

SwiftSpec: Ultra-Low Latency LLM Decoding by Scaling Asynchronous Speculative Decoding

Ziyi Zhang, Ziheng Jiang, Chengquan Jiang +5

Low-latency decoding for large language models (LLMs) is crucial for applications like chatbots and code assistants, yet generating long outputs remains slow in single-query settin…

cs.DC2025

Understanding Stragglers in Large Model Training Using What-if Analysis

Jinkun Lin, Ziheng Jiang, Zuquan Song +13

Large language model (LLM) training is one of the most demanding distributed computations today, often requiring thousands of GPUs with frequent synchronization across machines. Su…

cs.CV2025★ 1 cited

Seed1.5-VL Technical Report

Dong Guo, Faming Wu, Feida Zhu +194

We present Seed1.5-VL, a vision-language foundation model designed to advance general-purpose multimodal understanding and reasoning. Seed1.5-VL is composed with a 532M-parameter v…

cs.LG2025

MegaScale-MoE: Large-Scale Communication-Efficient Training of Mixture-of-Experts Models in Production

Chao Jin, Ziheng Jiang, Zhihao Bai +16

We present MegaScale-MoE, a production system tailored for the efficient training of large-scale mixture-of-experts (MoE) models. MoE emerges as a promising architecture to scale l…

cs.CL2025★ 1 cited

Seed1.5-Thinking: Advancing Superb Reasoning Models with Reinforcement Learning

ByteDance Seed, :, Jiaze Chen +267

We introduce Seed1.5-Thinking, capable of reasoning through thinking before responding, resulting in improved performance on a wide range of benchmarks. Seed1.5-Thinking achieves 8…

cs.AI2025★ 1 cited

VAPO: Efficient and Reliable Reinforcement Learning for Advanced Reasoning Tasks

Yu Yue, Yufeng Yuan, Qiying Yu +24

We present VAPO, Value-based Augmented Proximal Policy Optimization framework for reasoning models., a novel framework tailored for reasoning models within the value-based paradigm…

cs.DC2025

TileLink: Generating Efficient Compute-Communication Overlapping Kernels using Tile-Centric Primitives

Size Zheng, Jin Fang, Xuegui Zheng +9

Large deep learning models have achieved state-of-the-art performance in a wide range of tasks. These models often necessitate distributed systems for efficient training and infere…

cs.DC2025

Triton-distributed: Programming Overlapping Kernels on Distributed AI Systems with the Triton Compiler

Size Zheng, Wenlei Bao, Qi Hou +19

In this report, we propose Triton-distributed, an extension of existing Triton compiler, to overcome the programming challenges in distributed AI systems. Triton-distributed is the…

cs.DC2025

MegaScale-Infer: Serving Mixture-of-Experts at Scale with Disaggregated Expert Parallelism

Ruidong Zhu, Ziheng Jiang, Chao Jin +17

Mixture-of-Experts (MoE) showcases tremendous potential to scale large language models (LLMs) with enhanced performance and reduced computational complexity. However, its sparsely…

cs.DC2025★ 1 cited

Comet: Fine-grained Computation-communication Overlapping for Mixture-of-Experts

Shulai Zhang, Ningxin Zheng, Haibin Lin +9

Mixture-of-experts (MoE) has been extensively employed to scale large language models to trillion-plus parameters while maintaining a fixed computational cost. The development of l…

cs.LG2025★ 14 cited

DAPO: An Open-Source LLM Reinforcement Learning System at Scale

Qiying Yu, Zheng Zhang, Ruofei Zhu +32

Inference scaling empowers LLMs with unprecedented reasoning ability, with reinforcement learning as the core technique to elicit complex reasoning. However, key technical details…

cs.DC2025★ 4 cited

ByteScale: Efficient Scaling of LLM Training with a 2048K Context Length on More Than 12,000 GPUs

Hao Ge, Junda Feng, Qi Huang +6

Scaling long-context ability is essential for Large Language Models (LLMs). To amortize the memory consumption across multiple devices in long-context training, inter-data partitio…

cs.LG2024

SDP4Bit: Toward 4-bit Communication Quantization in Sharded Data Parallelism for LLM Training

Jinda Jia, Cong Xie, Hanlin Lu +8

Recent years have witnessed a clear trend towards language models with an ever-increasing number of parameters, as well as the growing training overhead and memory usage. Distribut…

cs.DC2024★ 1 cited

Minder: Faulty Machine Detection for Large-scale Distributed Model Training

Yangtao Deng, Xiang Shi, Zhuo Jiang +12

Large-scale distributed model training requires simultaneous training on up to thousands of machines. Faulty machine detection is critical when an unexpected fault occurs in a mach…

cs.LG2024★ 5 cited

FLUX: Fast Software-based Communication Overlap On GPUs Through Kernel Fusion

Li-Wen Chang, Wenlei Bao, Qi Hou +10

Large deep learning models have demonstrated strong ability to solve many tasks across a wide range of applications. Those large models typically require training and inference to…

cs.LG2024★ 24 cited

MegaScale: Scaling Large Language Model Training to More Than 10,000 GPUs

Ziheng Jiang, Haibin Lin, Yinmin Zhong +29

We present the design, implementation and engineering experience in building and deploying MegaScale, a production system for training large language models (LLMs) at the scale of…

cs.LG2023★ 3 cited

LEMON: Lossless model expansion

Yite Wang, Jiahao Su, Hanlin Lu +6

Scaling of deep neural networks, especially Transformers, is pivotal for their surging performance and has further led to the emergence of sophisticated reasoning capabilities in f…