One out-of-core block solving method of large-scale linear equations
The huge amount of memory is needed for solving the large-scale linear equations. However, many problems can not be calculated due to the limitation of the computer’s physical memory. To solve the above problem, One Out-of-Core solving method using the hard disk instead of memory is proposed in this...
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2020-01-01
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doaj-baa7159963674fc5ade902390b9095dd2021-08-05T13:49:41ZengEDP SciencesMATEC Web of Conferences2261-236X2020-01-013090301310.1051/matecconf/202030903013matecconf_cscns2020_03013One out-of-core block solving method of large-scale linear equationsXu XiaofeiWu ZongqingThe huge amount of memory is needed for solving the large-scale linear equations. However, many problems can not be calculated due to the limitation of the computer’s physical memory. To solve the above problem, One Out-of-Core solving method using the hard disk instead of memory is proposed in this paper. The data are read and written concentratively by blocks, thus the solving time of the problem can be greatly shortened. The experiments indicate that the method can solve the larger-scale linear equations efficiently, the solving time is only 5.7% more than In-Core method.https://www.matec-conferences.org/articles/matecconf/pdf/2020/05/matecconf_cscns2020_03013.pdfout-of-core solvinglinear equationsblock gauss elimination |
collection |
DOAJ |
language |
English |
format |
Article |
sources |
DOAJ |
author |
Xu Xiaofei Wu Zongqing |
spellingShingle |
Xu Xiaofei Wu Zongqing One out-of-core block solving method of large-scale linear equations MATEC Web of Conferences out-of-core solving linear equations block gauss elimination |
author_facet |
Xu Xiaofei Wu Zongqing |
author_sort |
Xu Xiaofei |
title |
One out-of-core block solving method of large-scale linear equations |
title_short |
One out-of-core block solving method of large-scale linear equations |
title_full |
One out-of-core block solving method of large-scale linear equations |
title_fullStr |
One out-of-core block solving method of large-scale linear equations |
title_full_unstemmed |
One out-of-core block solving method of large-scale linear equations |
title_sort |
one out-of-core block solving method of large-scale linear equations |
publisher |
EDP Sciences |
series |
MATEC Web of Conferences |
issn |
2261-236X |
publishDate |
2020-01-01 |
description |
The huge amount of memory is needed for solving the large-scale linear equations. However, many problems can not be calculated due to the limitation of the computer’s physical memory. To solve the above problem, One Out-of-Core solving method using the hard disk instead of memory is proposed in this paper. The data are read and written concentratively by blocks, thus the solving time of the problem can be greatly shortened. The experiments indicate that the method can solve the larger-scale linear equations efficiently, the solving time is only 5.7% more than In-Core method. |
topic |
out-of-core solving linear equations block gauss elimination |
url |
https://www.matec-conferences.org/articles/matecconf/pdf/2020/05/matecconf_cscns2020_03013.pdf |
work_keys_str_mv |
AT xuxiaofei oneoutofcoreblocksolvingmethodoflargescalelinearequations AT wuzongqing oneoutofcoreblocksolvingmethodoflargescalelinearequations |
_version_ |
1721220749091405824 |