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- W3128354418 abstract "There is an obvious trend that hardware including many-core CPU, GPU and FPGA are always made use of to conduct computationally intensive tasks of deep learning implementations, a large proportion of which can be formulated into the format of sparse matrix-vector multiplication(SpMV). In contrast with dense matrix-vector multi-plication(DMV), scheduling solutions for SpMV targeting parallel processing turn out to be irregular, leading to the dilemma that the optimum synthesis problems are time-consuming or even infeasible, when the size of the involved matrix increases. In this paper, the minimum scheduling problem of 4x4 SpMV on ring-connected architecture is first studied, with two concepts named Multi-Input Vector and Multi-Output Vector introduced. The classification of 4x4 sparse matrices has been conducted, on account of which a decomposition-based synthesis algorithm for larger matrices is put forward. As the proposed method is guided by known sub-scheduling solutions, search space of the synthesis problem is considerably reduced. Through comparison with an exhaustive search method and a brute force-based parallel scheduling method, the proposed method is proved to be able to offer scheduling solutions of high-equality: averagely utilize 65.27% of the sparseness of the involved matrices and achieve 91.39% of the performance of the solutions generated by exhaustive search, with a remarkable saving of compilation time and the best scalability among the above-mentioned approaches." @default.
- W3128354418 created "2021-02-15" @default.
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- W3128354418 date "2021-01-18" @default.
- W3128354418 modified "2023-09-30" @default.
- W3128354418 title "A Decomposition-Based Synthesis Algorithm for Sparse Matrix-Vector Multiplication in Parallel Communication Structure" @default.
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- W3128354418 doi "https://doi.org/10.1145/3394885.3431422" @default.
- W3128354418 hasPublicationYear "2021" @default.
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