activity
20242026
collaborators

11 papers

quant-ph2026

Circuit Hypernetworks for Quantum-Augmented Diffusion Language Models

Xiaoqiang Wang, Mengyang Xiong, Jun Dai +1

Language models can be adapted by changing the computations applied to individual tokens. Quantum circuits offer one such approach, but evaluating wider circuits inside a large mod…

cs.AI2026

TailSieve: Partial-Rollout-Guided Tail Routing for LLM Rollouts

Tianqi Xu, Lu Lv, Haoyang Huang +15

Large-scale rollouts have become a core component of modern LLM systems, spanning reinforcement learning (RL) post-training, on-policy distillation (OPD), and sampling-heavy evalua…

quant-ph2026

Generative Learning for Quantum Measurement Design

Jun Dai, Olivier Nahman-Lévesque, Guillaume Rabusseau +2

Extracting quantum information from a quantum state is a fundamental task of quantum computation, often requiring the estimation of many non-commuting observables under a finite me…

cs.AI2026

OmniDelta: Skill-Driven Budget Allocation for Token Compression in OmniLLMs

Haoyang Huang, Wenjie Huang, Tianqi Xu +14

Emerging Omni-modal Large Language Models (OmniLLMs) enable unified understanding of text, audio, and video, but their long audio-video token sequences introduce substantial memory…

cs.SE2026

Backend-Aware Graph Learning for Denoising Outcome Distributions in Quantum Program Testing

Ning Ma, Jun Dai, Heng Li

Testing quantum programs on NISQ (Noisy Intermediate-Scale Quantum) backends is challenging because the noise disturbs outcome distributions and can affect pass/fail decisions. We…

cs.LG2026

Draft Less, Retrieve More: Hybrid Tree Construction for Speculative Decoding

Yuhao Shen, Tianyu Liu, Xinyi Hu +9

Speculative decoding (SD) accelerates large language model inference by leveraging a draft-then-verify paradigm. To maximize the acceptance rate, recent methods construct expansive…

cs.DC2026

ECHO: Elastic Speculative Decoding with Sparse Gating for High-Concurrency Scenarios

Xinyi Hu, Yuhao Shen, Baolin Zhang +6

Speculative Decoding promises to accelerate the inference of Large Language Models, yet its efficacy often degrades in production-grade serving. Existing evaluations typically over…

cs.CL2026

When Hidden States Drift: Can KV Caches Rescue Long-Range Speculative Decoding?

Tianyu Liu, Yuhao Shen, Xinyi Hu +8

Speculative decoding accelerates LLM inference, but SOTA hidden-state-based drafters suffer from long-range decay: draft accuracy degrades as the speculative step increases. Existi…

quant-ph2025

FlowQ-Net: A Generative Framework for Automated Quantum Circuit Design

Jun Dai, Michael Rizvi-Martel, Guillaume Rabusseau

Designing efficient quantum circuits is a central bottleneck to exploring the potential of quantum computing, particularly for noisy intermediate-scale quantum (NISQ) devices, wher…

quant-ph2025

Discrete Flow-Based Generative Models for Measurement Optimization in Quantum Computing

Isaac L. Huidobro-Meezs, Jun Dai, Rodrigo A. Vargas-Hernández

Estimating molecular Hamiltonians to chemical accuracy requires a large number of measurements. Hamiltonian overlapping grouping methods focus on reducing measurement counts, emplo…

quant-ph2024

GFlowNets for Hamiltonian decomposition in groups of compatible operators

Isaac L. Huidobro-Meezs, Jun Dai, Guillaume Rabusseau +1

Quantum computing presents a promising alternative for the direct simulation of quantum systems with the potential to explore chemical problems beyond the capabilities of classical…