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- W2028045344 abstract "The sparse matrix-vector multiplication is an important computational kernel, but is hard to efficiently execute even in the sequential case. The problems--namely low arithmetic intensity, inefficient cache use, and limited memory bandwidth--are magnified as the core count on shared-memory parallel architectures increases. Existing techniques are discussed in detail, and categorized chiefly based on their distribution types. Based on this, new parallelization techniques are proposed. The theoretical scalability and memory usage of the various strategies are analyzed, and experiments on multiple NUMA architectures confirm the validity of the results. One of the newly proposed methods attains the best average result in experiments on a large set of matrices. In one of the experiments it obtains a parallel efficiency of 90 percent, while on average it performs close to 60 percent." @default.
- W2028045344 created "2016-06-24" @default.
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- W2028045344 date "2014-01-01" @default.
- W2028045344 modified "2023-09-25" @default.
- W2028045344 title "High-Level Strategies for Parallel Shared-Memory Sparse Matrix-Vector Multiplication" @default.
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- W2028045344 doi "https://doi.org/10.1109/tpds.2013.31" @default.
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