activity
20232025
collaborators

7 papers

cs.AR2025

P3-LLM: An Integrated NPU-PIM Accelerator for Edge LLM Inference Using Hybrid Numerical Formats

Yuzong Chen, Chao Fang, Xilai Dai +4

The substantial memory bandwidth and computational demands of large language models (LLMs) present critical challenges for efficient inference. To tackle this, the literature has e…

cs.LG2025

RaZeR: Pushing the Limits of NVFP4 Quantization with Redundant Zero Remapping

Yuzong Chen, Xilai Dai, Jake Hyun +6

The recently introduced NVFP4 format demonstrates remarkable performance and memory benefits for quantized large language model (LLM) inference. However, we observe two types of re…

cs.LG2024

BitMoD: Bit-serial Mixture-of-Datatype LLM Acceleration

Yuzong Chen, Ahmed F. AbouElhamayed, Xilai Dai +4

Large language models (LLMs) have demonstrated remarkable performance across various machine learning tasks. Yet the substantial memory footprint of LLMs significantly hinders thei…

cs.LG2024

BBS: Bi-directional Bit-level Sparsity for Deep Learning Acceleration

Yuzong Chen, Jian Meng, Jae-sun Seo +1

Bit-level sparsity methods skip ineffectual zero-bit operations and are typically applicable within bit-serial deep learning accelerators. This type of sparsity at the bit-level is…

cs.AR2024

Kratos: An FPGA Benchmark for Unrolled DNNs with Fine-Grained Sparsity and Mixed Precision

Xilai Dai, Yuzong Chen, Mohamed S. Abdelfattah

FPGAs offer a flexible platform for accelerating deep neural network (DNN) inference, particularly for non-uniform workloads featuring fine-grained unstructured sparsity and mixed…

cs.LG2024

Learning from Students: Applying t-Distributions to Explore Accurate and Efficient Formats for LLMs

Jordan Dotzel, Yuzong Chen, Bahaa Kotb +5

The increasing size of large language models (LLMs) traditionally requires low-precision integer formats to meet strict latency and power demands. Yet recently, alternative formats…

cs.AR2023

M4BRAM: Mixed-Precision Matrix-Matrix Multiplication in FPGA Block RAMs

Yuzong Chen, Jordan Dotzel, Mohamed S. Abdelfattah

Mixed-precision quantization is a popular approach for compressing deep neural networks (DNNs). However, it is challenging to scale the performance efficiently with mixed-precision…