Search Results for author: Cong Guo

Found 13 papers, 4 papers with code

A novel feature selection framework for incomplete data

no code implementations7 Dec 2023 Cong Guo

Existing methods address this challenge by first employing imputation methods to complete the incomplete data and then conducting feature selection based on the imputed data.

Feature Importance feature selection +1

Iterative missing value imputation based on feature importance

no code implementations14 Nov 2023 Cong Guo, Chun Liu, Wei Yang

Existing imputation methods estimate the missing parts based on the observed values in the original feature space, and they treat all features as equally important during data completion, while in fact different features have different importance.

Feature Importance Imputation +1

Accelerating Generic Graph Neural Networks via Architecture, Compiler, Partition Method Co-Design

no code implementations16 Aug 2023 Shuwen Lu, Zhihui Zhang, Cong Guo, Jingwen Leng, Yangjie Zhou, Minyi Guo

However, designing GNN accelerators faces two fundamental challenges: the high bandwidth requirement of GNN models and the diversity of GNN models.

Graph Learning graph partitioning

AdaptGear: Accelerating GNN Training via Adaptive Subgraph-Level Kernels on GPUs

no code implementations27 May 2023 Yangjie Zhou, Yaoxu Song, Jingwen Leng, Zihan Liu, Weihao Cui, Zhendong Zhang, Cong Guo, Quan Chen, Li Li, Minyi Guo

Graph neural networks (GNNs) are powerful tools for exploring and learning from graph structures and features.

VDD: Varied Drone Dataset for Semantic Segmentation

1 code implementation23 May 2023 Wenxiao Cai, Ke Jin, Jinyan Hou, Cong Guo, Letian Wu, Wankou Yang

We expect that our dataset will generate considerable interest in drone image segmentation and serve as a foundation for other drone vision tasks.

Image Segmentation Segmentation +1

Nesting Forward Automatic Differentiation for Memory-Efficient Deep Neural Network Training

no code implementations22 Sep 2022 Cong Guo, Yuxian Qiu, Jingwen Leng, Chen Zhang, Ying Cao, Quanlu Zhang, Yunxin Liu, Fan Yang, Minyi Guo

An activation function is an element-wise mathematical function and plays a crucial role in deep neural networks (DNN).

ANT: Exploiting Adaptive Numerical Data Type for Low-bit Deep Neural Network Quantization

1 code implementation30 Aug 2022 Cong Guo, Chen Zhang, Jingwen Leng, Zihan Liu, Fan Yang, Yunxin Liu, Minyi Guo, Yuhao Zhu

In this work, we propose a fixed-length adaptive numerical data type called ANT to achieve low-bit quantization with tiny hardware overheads.

Quantization

SQuant: On-the-Fly Data-Free Quantization via Diagonal Hessian Approximation

1 code implementation ICLR 2022 Cong Guo, Yuxian Qiu, Jingwen Leng, Xiaotian Gao, Chen Zhang, Yunxin Liu, Fan Yang, Yuhao Zhu, Minyi Guo

This paper proposes an on-the-fly DFQ framework with sub-second quantization time, called SQuant, which can quantize networks on inference-only devices with low computation and memory requirements.

Data Free Quantization

Dual-side Sparse Tensor Core

no code implementations20 May 2021 Yang Wang, Chen Zhang, Zhiqiang Xie, Cong Guo, Yunxin Liu, Jingwen Leng

We demonstrate the feasibility of our design with minimal changes to the existing production-scale inner-product-based Tensor Core.

Balancing Efficiency and Flexibility for DNN Acceleration via Temporal GPU-Systolic Array Integration

no code implementations18 Feb 2020 Cong Guo, Yangjie Zhou, Jingwen Leng, Yuhao Zhu, Zidong Du, Quan Chen, Chao Li, Bin Yao, Minyi Guo

We propose Simultaneous Multi-mode Architecture (SMA), a novel architecture design and execution model that offers general-purpose programmability on DNN accelerators in order to accelerate end-to-end applications.

Adversarial Defense Through Network Profiling Based Path Extraction

no code implementations CVPR 2019 Yuxian Qiu, Jingwen Leng, Cong Guo, Quan Chen, Chao Li, Minyi Guo, Yuhao Zhu

Recently, researchers have started decomposing deep neural network models according to their semantics or functions.

Adversarial Defense

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