A Reexamination of the COnfLUX 2.5D LU Factorization Algorithm
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arXiv
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| Format: | Preprint |
| Publié: |
2024
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| _version_ | 1866910404714692608 |
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| author | Tang, Yuan |
| author_facet | Tang, Yuan |
| contents | This article conducts a reexamination of the research conducted by Kwasniewski et al., focusing on their adaptation of the 2.5D LU factorization algorithm with tournament pivoting, known as \func{COnfLUX}. Our reexamination reveals potential concerns regarding the upper bound, empirical investigation methods, and lower bound, despite the original study providing a theoretical foundation and an instantiation of the proposed algorithm. This paper offers a reexamination of these matters, highlighting probable shortcomings in the original investigation. Our observations are intended to enhance the development and comprehension of parallel matrix factorization algorithms. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2404_06713 |
| institution | arXiv |
| publishDate | 2024 |
| record_format | arxiv |
| spellingShingle | A Reexamination of the COnfLUX 2.5D LU Factorization Algorithm Tang, Yuan Distributed, Parallel, and Cluster Computing Data Structures and Algorithms Numerical Analysis This article conducts a reexamination of the research conducted by Kwasniewski et al., focusing on their adaptation of the 2.5D LU factorization algorithm with tournament pivoting, known as \func{COnfLUX}. Our reexamination reveals potential concerns regarding the upper bound, empirical investigation methods, and lower bound, despite the original study providing a theoretical foundation and an instantiation of the proposed algorithm. This paper offers a reexamination of these matters, highlighting probable shortcomings in the original investigation. Our observations are intended to enhance the development and comprehension of parallel matrix factorization algorithms. |
| title | A Reexamination of the COnfLUX 2.5D LU Factorization Algorithm |
| topic | Distributed, Parallel, and Cluster Computing Data Structures and Algorithms Numerical Analysis |
| url | https://arxiv.org/abs/2404.06713 |