Author

Hui Xie

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Jul 2026

SemPIC: Learning Semantic Position-Independent KV Caches

This work presents SemPIC, which trains a LoRA-enabled Writer to compile native per-layer document KVs through behavioral distillation while retaining the pretrained decoder as an unchanged Reader, and introduces KV Gradient Checkpointing, which reduces peak training memory without severing gradients through cached KVs...

Hui Xie, Peng Xiao, Yutong Deng et al. · arXiv.org · 0 citations

Preprint Aug 2026

PTQ4SNN: Membrane-Aware Post-Training Quantization for Spiking Neural Networks

PTQ4SNN is proposed, a membrane-aware post-training quantization framework that jointly quantizes weights and recurrent membrane states using only a small calibration set and effectively preserves model accuracy under W4 quantization and approximately 4-bit membrane precision.

Hui Xie, Tong Shi, Haotong Qin et al. · 0 citations