الباحثون

Tianyi Chen

المنشورات 4

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Robust Parameter-Efficient LLM Adaptation on Analog Hardware

Analog in-memory computing is a promising platform for on-device execution of large language models because it performs matrix--vector multiplications (MVMs) in memory and in parallel, reducing data movement. However, limited digital-to-analog converter precision, input noise, and finite conductance states can degrade …

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Looped Diffusion Transformer

Yong Xien Chng, Tianyi Chen, Wenwen Tong وآخرون · 2026

Improving text-to-image models has traditionally relied on increasing model size or the number of denoising steps. In this work, we explore an alternative way to scale computation by repeatedly running shared Transformer blocks within each denoising step, effectively increasing computational depth while keeping the par …

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Making Analog Training Scale: Co-Designing Mapping, Optimizer, and Converters

Analog in-memory computing (AIMC) offers an alternative for model training by executing matrix operations directly where weights are stored. However, scaling AIMC to train modern deep models remains an open challenge due to severe hardware non-idealities, including physical weights with finite dynamic range and write g …

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BRIDGE: Bilevel Retrieval-Credit-Aware Agentic Reinforcement Learning

Quan Xiao, Mingda Liu, Gaowen Liu وآخرون · 2026

Agentic reinforcement learning (ARL) with verifiable rewards improves the ability of large language models (LLMs) to tackle knowledge-intensive tasks by learning to interleave search and reasoning. However, most existing ARL methods optimize only LLM-generated tokens and treat retrieved evidence as environment observat …

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