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Shiwei Liu

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#machine learning Preprint Sep 2026

UniCache: Task- and Type-Aware KV Cache Compression for Unified Multimodal Models

Unified multimodal models combine understanding, generation, and editing within a single network, offering a promising foundation for versatile multimodal applications. However, growing multimodal contexts make KV cache storage and access increasingly costly. Existing KV cache compression methods are typically tailored...

Wan-Qi Yang, Yue-Xiao Ma, Mei Xie et al. · 0 citations
#machine learning Preprint Sep 2026

FlashLoop: Fast and Memory-Efficient Looped Transformers via Lazy Updates

Looped Transformers have attracted substantial attention as a parameter-efficient approach to increasing computational depth through repeated application of shared Transformer blocks. However, their practical advantages over conventional Transformers remain under debate: each additional loop incurs another Transformer...

Wan-Qi Yang, Shi-Wei Liu · 0 citations
Jul 2026

ISO: An RLVR-Native Optimization Stack

Reinforcement learning with verifiable rewards (RLVR) is rapidly advancing the reasoning capabilities of language models, yet the optimization layer that converts reward feedback into weight-space updates remains poorly understood. Building on our prior analysis (Zhu et al., 2025), we study this missing layer through t...

Hanqing Zhu, Wenyan Cong, Zhizhou Sha et al. · 0 citations

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