Physical Memory Management with Two Page Sizes in Tender OS

Material type: 図書

Author: Kusunoki, Kokiほか

Publisher: Springer

Publication date: 2021-08-08

Material Format: Digital

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Note (General)：: Physical memory capacity has increased owing to large-scale integration. In addition, memory footprints have increased in size, as multiple programs a...

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Material Type: 図書
Title: Physical Memory Management with Two Page Sizes in Tender OS
Author/Editor: Kusunoki, Koki
Yamauchi, Toshihiro
Taniguchi, Hideo
Author Heading: Kusunoki, Koki
Yamauchi, Toshihiro
Taniguchi, Hideo
Publication, Distribution, etc.: Springer
Publication Date: 2021-08-08
Publication Date (W3CDTF): 2021-08-08
Periodical title: Advances in Networked-Based Information Systems|Lecture Notes in Networks and Systems
No. or year of volume/issue: 313
Volume: 313
Pages: 238-248
Text Language Code: eng
Target Audience: 一般
Note (General): Physical memory capacity has increased owing to large-scale integration. In addition, memory footprints have increased in size, as multiple programs are executed on a single computer. Many operating systems manage physical memory by paging a 4 KB page. Therefore, the number of entries in the virtual address translation table for virtual to physical increases along with the size of the memory footprints. This cause a decrease in the translation lookaside buffer (TLB) hit ratio, resulting in the performance degradation of the application. To address this problem, we propose the implementation of physical memory management with two page sizes: 4 KB and 4 MB. This allows us to expand range of addresses to be translated by a single TLB entry, thereby improving the TLB hit rate. This paper describes the design and implementation of the physical memory management mechanism that manages physical memory using two page sizes on The ENduring operating system for Distributed EnviRonment (Tender OS). Our results showed that when the page size is 4 MB, the processing time of the memory allocation can be reduced by as much as approximately 99.7%, and the processing time for process creation can be reduced by as much as approximately 51%, and the processing time of the memory operation could be reduced by as much as 91.9%.
Source: https://ousar.lib.okayama-u.ac.jp/files/public/6/63148/20230809093036516104/fulltext20220201-3.pdf
https://ousar.lib.okayama-u.ac.jp/files/public/6/63148/20230809093036516104/fulltext20220201-3.pdf
Access Restrictions: 限定公開
Related Material (DOI): 10.1007/978-3-030-84913-9_22
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Original Data Provider (Database): 岡山大学 : 岡山大学学術成果リポジトリ