Journal
SIGMOD '21: PROCEEDINGS OF THE 2021 INTERNATIONAL CONFERENCE ON MANAGEMENT OF DATA
Volume -, Issue -, Pages 1558-1570Publisher
ASSOC COMPUTING MACHINERY
DOI: 10.1145/3448016.3457279
Keywords
Graph Processing; GPGPU; Parallel Task Scheduling
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Funding
- MoE Tier 2 grant in Singapore [MOE2019-T2-2-065, MOE2017T2-1-141]
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The paper introduces SAGE, a self-adaptive graph traversal method on GPUs that operates directly on common graph representations without the need for preprocessing. Through techniques such as Tiled Partitioning, Resident Tile Stealing, and Sampling-based Reordering, SAGE achieves superior graph traversal performance under different architectural scenarios.
GPU's massive computing power offers unprecedented opportunities to enable large graph analysis. Existing studies proposed various preprocessing approaches that convert the input graphs into dedicated structures for GPU-based optimizations. However, these dedicated approaches incur significant preprocessing costs as well as weak programmability to build general graph applications. In this paper, we introduce SAGE, a self-adaptive graph traversal on GPUs, which is free from preprocessing and operates on ubiquitous graph representations directly. We propose Tiled Partitioning and Resident Tile Stealing to fully exploit the computing power of GPUs in a runtime and self-adaptive manner. We also propose Sampling-based Reordering to further optimize the memory efficiency of SAGE through a lightweight and effective node reordering technique on the fly. Extensive experiments demonstrate that SAGE can achieve superior graph traversal performance over existing approaches under different architectural scenarios, i.e., single-GPU, out-of-core, and multi-GPU.
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