Pyg Team Pytorch Geometric Github

Documentation | PyG 1.0 Paper | PyG 2.0 Paper | Colab Notebooks | External Resources | OGB Examples PyG (PyTorch Geometric) is a library built upon PyTorch to easily write and train Graph Neural Networks (GNNs) for a wide range of applications related to structured data. It consists of various methods for deep learning on graphs and other irregular structures, also known as geometric deep learning, from a variety of published papers. In addition, it consists of easy-to-use mini-batch loaders for operating on many small and single giant graphs, multi GPU-support, torch.compile support, DataPipe support, a large number of common benchmark datasets (based on simple interfaces... Whether you are a machine learning researcher or first-time user of machine learning toolkits, here are some reasons to try out PyG for machine learning on graph-structured data. In this quick tour, we highlight the ease of creating and training a GNN model with only a few lines of code.

PyG is available for Python 3.10 to Python 3.13. We do not recommend installation as a root user on your system Python. Please setup a virtual environment, e.g., via venv, Anaconda/Miniconda, or create a Docker image. From PyG 2.3 onwards, you can install and use PyG without any external library required except for PyTorch. For this, simply run: If you want to utilize the full set of features from PyG, there exists several additional libraries you may want to install:

pyg-lib: Heterogeneous GNN operators and graph sampling routines There was an error while loading. Please reload this page. This document covers how to install PyTorch Geometric (PyG) and its dependencies for various environments. PyG is a library built upon PyTorch that provides easy-to-use implementations of Graph Neural Networks (GNNs) for deep learning on graphs. For information about the core concepts and functionality of PyG, see Key Concepts.

PyG is available for Python 3.9 to Python 3.13 and supports various environments: Sources: docs/source/install/installation.rst4 docs/source/install/quick-start.html77-99 Since PyG 2.3, you can install and use PyG with minimal dependencies. The basic installation only requires PyTorch: This provides core functionality but doesn't include specialized extensions for performance optimization. PyG (PyTorch Geometric) is a library built upon PyTorch to easily write and train Graph Neural Networks (GNNs) for a wide range of applications related to structured data.

It consists of various methods for deep learning on graphs and other irregular structures, also known as geometric deep learning, from a variety of published papers. In addition, it consists of easy-to-use mini-batch loaders for operating on many small and single giant graphs, multi GPU-support, torch.compile support, DataPipe support, a large number of common benchmark datasets (based on simple interfaces... PyTorch Geometric (PyG) is a powerful extension of PyTorch designed for deep learning on irregular data structures such as graphs and point clouds. It provides an efficient and flexible framework for implementing and training Graph Neural Networks (GNNs), enabling researchers and practitioners to handle large-scale graph data with ease. PyG offers a wide range of functionalities, including scalable data handling, optimized message passing operations, and pre-implemented GNN architectures, making it ideal for tasks like node classification, link prediction, and graph clustering. Built on top of PyTorch, it leverages automatic differentiation and GPU acceleration, allowing seamless integration with existing machine learning workflows.

The official documentation provides a comprehensive guide for getting started, including installation instructions, fundamental concepts, and hands-on examples to help users quickly become proficient in applying GNNs to real-world problems. The Introduction by Example section of the PyTorch Geometric documentation provides a hands-on walkthrough of the key functionalities of the library by constructing and training a simple GNN. It begins by demonstrating how to define a basic graph structure using the torch_geometric.data.Data class, highlighting the importance of node features, edge indices, and labels. The section then introduces data loading utilities, particularly how datasets are handled within PyG using torch_geometric.datasets. Following this, it walks through the creation of a simple GNN model using PyTorch Geometric’s torch_geometric.nn module, showcasing layers such as GCNConv for message passing. The tutorial proceeds by setting up a training loop, including loss computation and backpropagation, to illustrate how a GNN can be trained efficiently on graph data.

Finally, the section provides a brief evaluation of the model’s performance, demonstrating how predictions can be made and analyzed. Overall, this introduction serves as a concise yet comprehensive guide to understanding the fundamental workflow of using PyG for graph-based deep learning. The Notebooks section of the PyTorch Geometric documentation provides interactive, executable Jupyter notebooks that serve as practical tutorials for various graph learning tasks using PyG. These notebooks cover a range of topics, including an introduction to PyG’s core functionalities, implementing GNNs for node classification, and performing more advanced tasks such as link prediction and graph generation. Each notebook walks users through key concepts with step-by-step explanations and code, making it easier to understand and apply PyG’s features in real-world scenarios. The section also includes examples of working with benchmark graph datasets, utilizing different GNN architectures, and optimizing model performance.

Importantly, these notebooks can run on SMU HPC systems. The Colab notebooks can be run on SMU HPC systems by either copying pasting relavant code or by downloading (File; Download; Download .ipynb) and then uploading the notebooks to your HPC Portal Jupyter Lab... The tutorials in PyTorch Geometric offer in-depth guidance on key aspects of designing and deploying GNNs for complex graph-based learning tasks. These tutorials cover the Design of Graph Neural Networks, providing insights into various GNN architectures and optimization strategies to improve model performance. The Working with Graph Datasets section delves into handling, preprocessing, and efficiently loading large-scale graph data. The Use-Cases & Applications tutorial explores real-world implementations of GNNs in domains such as social networks, molecular analysis, and recommendation systems.

Lastly, the Distributed Training tutorial focuses on scaling GNN models across multiple GPUs or machines to handle large datasets efficiently. Together, these tutorials equip users with the knowledge to advance from basic implementations to scalable, high-performance graph learning solutions. Documentation | PyG 1.0 Paper | PyG 2.0 Paper | Colab Notebooks | External Resources | OGB Examples PyG (PyTorch Geometric) is a library built upon PyTorch to easily write and train Graph Neural Networks (GNNs) for a wide range of applications related to structured data. It consists of various methods for deep learning on graphs and other irregular structures, also known as geometric deep learning, from a variety of published papers. In addition, it consists of easy-to-use mini-batch loaders for operating on many small and single giant graphs, multi GPU-support, torch.compile support, DataPipe support, a large number of common benchmark datasets (based on simple interfaces...

Whether you are a machine learning researcher or first-time user of machine learning toolkits, here are some reasons to try out PyG for machine learning on graph-structured data. In this quick tour, we highlight the ease of creating and training a GNN model with only a few lines of code. We shortly introduce the fundamental concepts of PyG through self-contained examples. For an introduction to Graph Machine Learning, we refer the interested reader to the Stanford CS224W: Machine Learning with Graphs lectures. For an interactive introduction to PyG, we recommend our carefully curated Google Colab notebooks. At its core, PyG provides the following main features:

A graph is used to model pairwise relations (edges) between objects (nodes). A single graph in PyG is described by an instance of torch_geometric.data.Data, which holds the following attributes by default: data.x: Node feature matrix with shape [num_nodes, num_node_features] PyTorch Geometric (PyG) is a library built upon PyTorch that enables easy implementation and training of Graph Neural Networks (GNNs) for a wide range of applications involving structured data. It provides a comprehensive framework for geometric deep learning, which encompasses various methods for deep learning on graphs and other irregular structures. This page introduces the core concepts, architecture, and key components of PyG.

For installation instructions, see Installation. For a deeper dive into the fundamental concepts, refer to Key Concepts. PyG serves as an extension to PyTorch, focusing specifically on graph-structured data. Its main goals are to: PyG consists of four main components that work together to provide a comprehensive framework for graph-based deep learning: Sources: README.md140-154 torch_geometric/__init__.py17-25

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