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Conference Open access Sep 2026

Streamlining Long-Chain Reasoning via Differentiable Hierarchical Fusion

Differentiable Hierarchical Fusion is presented, a novel framework that merges reasoning models with efficient base models via differentiable optimization to produce concise, accurate outputs and introduces a dual-factor adaptive weighting mechanism to capture intra-block variance and inter-block importance hierarchies...

Chuan-Gen Gao, Wen-Lun Zhang, Shang-Kun Wang et al. · 0 citations
Conference Jul 2026

ParaCascade: A Parallel Cascading Framework Supporting Early Routing

Real-world inference tasks for large language models exhibit diverse difficulty levels. Existing LLM serving systems integrate models of different sizes and attempt to route tasks of appropriate difficulty to the most suitable model, aiming to reduce resource waste while guaranteeing service quality. Such systems usual...

Hao Wei, Lu-Jia Yin, Chen Chen et al. · 0 citations
Preprint Aug 2026

RLCascadeRouter: Quality-Estimator-Free Cascade Routing via Reinforcement Learning

RLCascadeRouter is a quality-estimator-free framework that formulates cascade routing as a Markov decision process with actions comprising ``stop''and model selection, and uses trajectory returns and advantages to directly optimize the performance-cost objective.

Shihong Huang, Sheng-Jie Wang, Hong-Yao Ma et al. · 1 citation
Jul 2026

PyroDash: Cost-Efficient Token-Level Small-Large Language Model Collaborative Inference

Results show that learned token-level handoffs can reduce LLM use while preserving strong reasoning performance, and show that learned token-level handoffs can reduce LLM use while preserving strong reasoning performance.

Niqi Lyu, Pengtao Shi, Wei Qiu et al. · 0 citations
Preprint Aug 2026

CoRun: Padding is Simple and Efficient for Deterministic LLM Inference

CoRun is presented, a scheduling-based system that achieves deterministic inference without requiring batch invariance, and employs isolated prefill and fixed-shape batched decode to handle the two stages of LLM inference, respectively, leveraging CUDA graphs for efficient execution and simplified implementation.

Shiju Zhao, Jiacheng Yang, Qi-Hang Chen et al. · 2 citations
Preprint Jul 2026

DiffusionGemma Technical Report

We introduce DiffusionGemma, an experimental open-weight language model that uses discrete diffusion to generate text at exceptionally high speed. Rather than decoding one token at a time, DiffusionGemma iteratively refines blocks of 256 tokens in parallel, avoiding the sequential decoding bottleneck of conventional au...

DiffusionGemma Team Adrien Ali Taïga, James Assiene, Daniele Calandriello et al. · 0 citations

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