activity
20232026
most citedLLM-FP4: 4-Bit Floating-Point Quantized Transformers

47 citations · 109 across the 11 of their papers we have counts for

collaborators

11 papers

cs.AR2026★ 1 cited

31.1 A 14.08-to-135.69Token/s ReRAM-on-Logic Stacked Outlier-Free Large-Language-Model Accelerator with Block-Clustered Weight-Compression and Adaptive Parallel-Speculative-Decoding

Pingcheng Dong, Yonghao Tan, Xuejiao Liu +13

This work presents a 55nm speculative decoding-based LLM accelerator with bumping-based face-to-face ReRAM-on-logic stacking technology. It features a local rotation unit for outli…

eess.IV2026★ 11 cited

A 28nm 0.22μJ/token memory-compute-intensity-aware CNN-Transformer accelerator with hybrid-attention-based layer-fusion and cascaded pruning for semantic-segmentation

Pingcheng Dong, Yonghao Tan, Xuejiao Liu +14

This work presents a 28nm 13.93mm2 CNN-Transformer accelerator for semantic segmentation, achieving 3.86-to-10.91x energy reduction over previous designs. It features a hybrid atte…

cs.AR2025

APSQ: Additive Partial Sum Quantization with Algorithm-Hardware Co-Design

Yonghao Tan, Pingcheng Dong, Yongkun Wu +8

DNN accelerators, significantly advanced by model compression and specialized dataflow techniques, have marked considerable progress. However, the frequent access of high-precision…

cs.CL2024

EoRA: Fine-tuning-free Compensation for Compressed LLM with Eigenspace Low-Rank Approximation

Shih-Yang Liu, Maksim Khadkevich, Nai Chit Fung +10

While post-training compression techniques effectively reduce the memory footprint, latency, and power consumption of Large Language Models (LLMs), they often result in noticeable…

cs.CL2024

RoLoRA: Fine-tuning Rotated Outlier-free LLMs for Effective Weight-Activation Quantization

Xijie Huang, Zechun Liu, Shih-Yang Liu +1

Low-Rank Adaptation (LoRA), as a representative Parameter-Efficient Fine-Tuning (PEFT)method, significantly enhances the training efficiency by updating only a small portion of the…

cs.LG2024

Genetic Quantization-Aware Approximation for Non-Linear Operations in Transformers

Pingcheng Dong, Yonghao Tan, Dong Zhang +11

Non-linear functions are prevalent in Transformers and their lightweight variants, incurring substantial and frequently underestimated hardware costs. Previous state-of-the-art wor…

cs.CL2024★ 38 cited

DoRA: Weight-Decomposed Low-Rank Adaptation

Shih-Yang Liu, Chien-Yi Wang, Hongxu Yin +4

Among the widely used parameter-efficient fine-tuning (PEFT) methods, LoRA and its variants have gained considerable popularity because of avoiding additional inference costs. Howe…

cs.CV2023

CMOSE: Comprehensive Multi-Modality Online Student Engagement Dataset with High-Quality Labels

Chi-hsuan Wu, Shih-yang Liu, Xijie Huang +6

Online learning is a rapidly growing industry. However, a major doubt about online learning is whether students are as engaged as they are in face-to-face classes. An engagement re…

cs.CL2023★ 47 cited

LLM-FP4: 4-Bit Floating-Point Quantized Transformers

Shih-yang Liu, Zechun Liu, Xijie Huang +2

We propose LLM-FP4 for quantizing both weights and activations in large language models (LLMs) down to 4-bit floating-point values, in a post-training manner. Existing post-trainin…

cs.LG2023★ 6 cited

Efficient and Robust Quantization-aware Training via Adaptive Coreset Selection

Xijie Huang, Zechun Liu, Shih-Yang Liu +1

Quantization-aware training (QAT) is a representative model compression method to reduce redundancy in weights and activations. However, most existing QAT methods require end-to-en…

cs.CV2023★ 6 cited

Oscillation-free Quantization for Low-bit Vision Transformers

Shih-Yang Liu, Zechun Liu, Kwang-Ting Cheng

Weight oscillation is an undesirable side effect of quantization-aware training, in which quantized weights frequently jump between two quantized levels, resulting in training inst…