Faster Inference Time for GNNs using coarsening

• URL: http://arxiv.org/abs/2410.15001v1
• Date: Sat, 19 Oct 2024 06:27:24 GMT
• Title: Faster Inference Time for GNNs using coarsening
• Authors: Shubhajit Roy, Hrriday Ruparel, Kishan Ved, Anirban Dasgupta,
• Abstract summary: coarsening-based methods are used to reduce the graph into a smaller one, resulting in faster computation. No previous research has tackled the cost during the inference. This paper presents a novel approach to improve the scalability of GNNs through subgraph-based techniques.
• Score: 1.323700980948722
• License:
• Abstract: Graph Neural Networks (GNNs) have shown remarkable success in various graph-based tasks, including node classification, node regression, graph classification, and graph regression. However, their scalability remains a significant challenge, particularly when dealing with large-scale graphs. To tackle this challenge, coarsening-based methods are used to reduce the graph into a smaller one, resulting in faster computation. However, no previous research has tackled the computation cost during the inference. This motivated us to ponder whether we can trade off the improvement in training time of coarsening-based approaches with inference time. This paper presents a novel approach to improve the scalability of GNNs through subgraph-based techniques. We reduce the computational burden during the training and inference phases by using the coarsening algorithm to partition large graphs into smaller, manageable subgraphs. Previously, graph-level tasks had not been explored using this approach. We propose a novel approach for using the coarsening algorithm for graph-level tasks such as graph classification and graph regression. We conduct extensive experiments on multiple benchmark datasets to evaluate the performance of our approach. The results demonstrate that our subgraph-based GNN method achieves competitive results in node classification, node regression, graph classification, and graph regression tasks compared to traditional GNN models. Furthermore, our approach significantly reduces the inference time, enabling the practical application of GNNs to large-scale graphs.

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