SAGE: A Storage-Based Approach for Scalable and Efficient Sparse Generalized Matrix-Matrix Multiplication
- Authors
- Jang, Myung-Hwan; Ko, Yunyong; Gwon, Hyuck-Moo; Jo, Ikhyeon; Park, Yongjun; Kim, Sang-Wook
- Issue Date
- Oct-2023
- Publisher
- Association for Computing Machinery
- Keywords
- network analysis; real-world graphs; sparse matrix multiplication
- Citation
- International Conference on Information and Knowledge Management, Proceedings, pp 923 - 933
- Pages
- 11
- Indexed
- SCOPUS
- Journal Title
- International Conference on Information and Knowledge Management, Proceedings
- Start Page
- 923
- End Page
- 933
- URI
- https://scholarworks.bwise.kr/hanyang/handle/2021.sw.hanyang/193215
- DOI
- 10.1145/3583780.3615044
- Abstract
- Sparse generalized matrix-matrix multiplication (SpGEMM) is a fundamental operation for real-world network analysis. With the increasing size of real-world networks, the single-machine-based SpGEMM approach cannot perform SpGEMM on large-scale networks, exceeding the size of main memory (i.e., not scalable). Although the distributed-system-based approach could handle large-scale SpGEMM based on multiple machines, it suffers from severe inter-machine communication overhead to aggregate results of multiple machines (i.e., not efficient). To address this dilemma, in this paper, we propose a novel storage-based SpGEMM approach (SAGE) that stores given networks in storage (e.g., SSD) and loads only the necessary parts of the networks into main memory when they are required for processing via a 3-layer architecture. Furthermore, we point out three challenges that could degrade the overall performance of SAGE and propose three effective strategies to address them: (1) block-based workload allocation for balancing workloads across threads, (2) in-memory partial aggregation for reducing the amount of unnecessarily generated storage-memory I/Os, and (3) distribution-aware memory allocation for preventing unexpected buffer overflows in main memory. Via extensive evaluation, we verify the superiority of SAGE over existing SpGEMM methods in terms of scalability and efficiency.
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