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An Efficient Algorithm for Astrochemical Systems Using Stoichiometry Matrices
http://hdl.handle.net/10422/0002000249
http://hdl.handle.net/10422/0002000249a4796082-3bbc-446b-8bc4-efa99ac868d7
| 名前 / ファイル | ライセンス | アクション |
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1538-4365_ad12c8.pdf (1.3 MB)
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| Item type | 学術雑誌論文 / Journal Article(1) | |||||||||||||
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| 公開日 | 2024-08-14 | |||||||||||||
| タイトル | ||||||||||||||
| タイトル | An Efficient Algorithm for Astrochemical Systems Using Stoichiometry Matrices | |||||||||||||
| 言語 | en | |||||||||||||
| 言語 | ||||||||||||||
| 言語 | eng | |||||||||||||
| 資源タイプ | ||||||||||||||
| 資源タイプ識別子 | http://purl.org/coar/resource_type/c_6501 | |||||||||||||
| 資源タイプ | journal article | |||||||||||||
| アクセス権 | ||||||||||||||
| アクセス権 | open access | |||||||||||||
| アクセス権URI | http://purl.org/coar/access_right/c_abf2 | |||||||||||||
| 著者 |
MOTOYAMA, Kazutaka
× MOTOYAMA, Kazutaka× KRASNOPOLSKY, Ruben
× SHANG, Hsien
× Aida, Kento
× SAKANE, Eisaku
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| 著者別名 |
本山, 一隆
× 本山, 一隆 |
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| 抄録 | ||||||||||||||
| 内容記述タイプ | Abstract | |||||||||||||
| 内容記述 | Astrochemical simulations are a powerful tool for revealing chemical evolution in the interstellar medium. Astrochemical calculations require efficient processing of large matrices for the chemical networks. The large chemical reaction networks often present bottlenecks for computation because of time derivatives of chemical abundances. We propose an efficient algorithm using a stoichiometry matrix approach in which this time-consuming part is expressed as a loop, unlike the algorithm used in previous studies. Since stoichiometry matrices are sparse in general, the performances of simulations with our algorithm depend on which sparse-matrix storage format is used. We conducted a performance comparison experiment using the common storage formats, including the coordinate format, the compressed column storage format, the compressed row storage (CRS) format, and the sliced ELLPACK format. Experimental results showed that the simulations with the CRS format are the most suitable for astrochemical simulations and about a factor of 2 faster than those with the algorithm used in previous studies. In addition, our algorithm significantly reduces not only the computation time but also the compilation time. We also explore the beneficial effects of parallelization and sparse-matrix reordering in these algorithms. | |||||||||||||
| 言語 | en | |||||||||||||
| 書誌情報 |
en : Astrophysical Journal, Supplement Series 巻 270, 号 2, ページ数 11, 発行日 2024-01-17 |
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| 出版者 | ||||||||||||||
| 出版者 | the American Astronomical Society. | |||||||||||||
| 言語 | en | |||||||||||||
| ISSN | ||||||||||||||
| 収録物識別子タイプ | PISSN | |||||||||||||
| 収録物識別子 | 0067-0049 | |||||||||||||
| DOI | ||||||||||||||
| 関連タイプ | isIdenticalTo | |||||||||||||
| 識別子タイプ | DOI | |||||||||||||
| 関連識別子 | https://doi.org/10.3847/1538-4365/ad12c8 | |||||||||||||
| 権利 | ||||||||||||||
| 言語 | en | |||||||||||||
| 権利情報 | © 2024. The Author(s). | |||||||||||||
| 著者版フラグ | ||||||||||||||
| 出版タイプ | VoR | |||||||||||||
| 出版タイプResource | http://purl.org/coar/version/c_970fb48d4fbd8a85 | |||||||||||||
