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Yao-Yuan Wang

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HiFloat4 Format for Language Model Pre-training on Ascend NPUs

It is argued that numerical format design is itself a first-class lever for stable FP4 training, and the first systematic study of FP4 LLM pretraining on energy-efficient Huawei Ascend NPUs is presented.

Mehran Taghian, Yun Peng, Xing Huang et al. · 3 citations

Accelerating Disaggregated RL for Visual Generative LLMs with Diffusion-Based Parallelism and Trainer-Assisted Generation

DigenRL is introduced, a disaggregated RL framework for diffusion-based generative LLMs that supports flexible resource allocation, accommodates heterogeneous GPUs, and facilitates efficient task scheduling and an elastic trainer-assisted generation approach to enable the trainer GPU resources to dynamically assist in...

Si-Jie Wang, Zhengyu Qing, Zhi-Qiang Tan et al. · 0 citations
#natural language process... Preprint Sep 2026

Experience Funnel: A State-Policy Alternating Loop for Self-Evolving Agents

Autonomous agents powered by large language models (LLMs) continuously accumulate experience through interaction, creating an opportunity to improve future behavior through self-evolution. A fundamental challenge is how to transform abundant, task-specific interaction experience into reusable model competence without s...

Wen-Bo Gao, Zhao-Mou Song, Zhi-Yuan Ji et al. · 0 citations
Jul 2026

Stable FP4 Training via Transposition-Invariant Block Quantization

This work proposes a low-precision training framework based on 2D block FP4 quantization, which enforces transposition-invariant scaling and preserves consistency between forward and backward computations, and combines this with truncation-free scaling and stochastic rounding to control quantization error and maintain...

Mehdi Rahimifar, Amin Darabi, Mehran Taghian Jazi et al. · 2 citations
Preprint Aug 2026

Activation Outliers Matter: Robust Recovery for Quantized Multimodal LLMs

This work proposes Residual Fallback Quantization (RFQ), a lightweight activation reconstruction framework that supplements the primary ulta-low-bit activation representation with an auxiliary quantized residual pathway that improves activation fidelity while preserving the efficiency advantages of ultra-low-bit comput...

Tanzila Rahman, Mehran Taghian Jazi, Yunke Peng et al. · 0 citations

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