dc.date.accessioned | 2023-09-15T16:32:40Z | |
dc.date.available | 2023-09-15T16:32:40Z | |
dc.date.created | 2023-09-01T10:55:43Z | |
dc.date.issued | 2023 | |
dc.identifier.citation | Galloway, Mathew Andersen, Kristian Joten Aurvik, Ragnhild Banerji, Ranajoy Bersanelli, M. Bertocco, S. Brilenkov, Maksym Carbone, M. Colombo, L.P.L. Eriksen, Hans Kristian Kamfjord Eskilt, Johannes Røsok Foss, Marie Kristine Franceschet, C. Fuskeland, Unni Galeotta, S. Gerakakis, S. Gjerløw, Eirik Hensley, B. Herman, Daniel Christopher Iacobellis, M. Ieronymaki, M. Ihle, Håvard Tveit Jewell, J.B. Karakci, Ata Keihänen, Elina Keskitalo, R. Maggio, G. Maino, D. Maris, M. Mennella, A. Paradiso, S. Partridge, B. Reinecke, M. San, Metin Suur-Uski, A.-S. Svalheim, Trygve Leithe Tavagnacco, D. Thommesen, Harald Watts, Duncan Wehus, Ingunn Kathrine Zacchei, A. . BeyondPlanck: III. Commander3. Astronomy and Astrophysics (A & A). 2023, 675 | |
dc.identifier.uri | http://hdl.handle.net/10852/105047 | |
dc.description.abstract | We describe the computational infrastructure for end-to-end Bayesian cosmic microwave background (CMB) analysis implemented by the BeyondPlanck Collaboration. The code is called Commander3 . It provides a statistically consistent framework for global analysis of CMB and microwave observations and may be useful for a wide range of legacy, current, and future experiments. The paper has three main goals. Firstly, we provide a high-level overview of the existing code base, aiming to guide readers who wish to extend and adapt the code according to their own needs or re-implement it from scratch in a different programming language. Secondly, we discuss some critical computational challenges that arise within any global CMB analysis framework, for instance in-memory compression of time-ordered data, fast Fourier transform optimization, and parallelization and load-balancing. Thirdly, we quantify the CPU and RAM requirements for the current B EYOND P LANCK analysis, finding that a total of 1.5 TB of RAM is required for efficient analysis and that the total cost of a full Gibbs sample for LFI is 170 CPU-hrs, including both low-level processing and high-level component separation, which is well within the capabilities of current low-cost computing facilities. The existing code base is made publicly available under a GNU General Public Library (GPL) license. | |
dc.language | EN | |
dc.rights | Attribution 4.0 International | |
dc.rights.uri | https://creativecommons.org/licenses/by/4.0/ | |
dc.title | BeyondPlanck: III. Commander3 | |
dc.title.alternative | ENEngelskEnglishBeyondPlanck: III. Commander3 | |
dc.type | Journal article | |
dc.creator.author | Galloway, Mathew | |
dc.creator.author | Andersen, Kristian Joten | |
dc.creator.author | Aurvik, Ragnhild | |
dc.creator.author | Banerji, Ranajoy | |
dc.creator.author | Bersanelli, M. | |
dc.creator.author | Bertocco, S. | |
dc.creator.author | Brilenkov, Maksym | |
dc.creator.author | Carbone, M. | |
dc.creator.author | Colombo, L.P.L. | |
dc.creator.author | Eriksen, Hans Kristian Kamfjord | |
dc.creator.author | Eskilt, Johannes Røsok | |
dc.creator.author | Foss, Marie Kristine | |
dc.creator.author | Franceschet, C. | |
dc.creator.author | Fuskeland, Unni | |
dc.creator.author | Galeotta, S. | |
dc.creator.author | Gerakakis, S. | |
dc.creator.author | Gjerløw, Eirik | |
dc.creator.author | Hensley, B. | |
dc.creator.author | Herman, Daniel Christopher | |
dc.creator.author | Iacobellis, M. | |
dc.creator.author | Ieronymaki, M. | |
dc.creator.author | Ihle, Håvard Tveit | |
dc.creator.author | Jewell, J.B. | |
dc.creator.author | Karakci, Ata | |
dc.creator.author | Keihänen, Elina | |
dc.creator.author | Keskitalo, R. | |
dc.creator.author | Maggio, G. | |
dc.creator.author | Maino, D. | |
dc.creator.author | Maris, M. | |
dc.creator.author | Mennella, A. | |
dc.creator.author | Paradiso, S. | |
dc.creator.author | Partridge, B. | |
dc.creator.author | Reinecke, M. | |
dc.creator.author | San, Metin | |
dc.creator.author | Suur-Uski, A.-S. | |
dc.creator.author | Svalheim, Trygve Leithe | |
dc.creator.author | Tavagnacco, D. | |
dc.creator.author | Thommesen, Harald | |
dc.creator.author | Watts, Duncan | |
dc.creator.author | Wehus, Ingunn Kathrine | |
dc.creator.author | Zacchei, A. | |
cristin.unitcode | 185,15,3,0 | |
cristin.unitname | Institutt for teoretisk astrofysikk | |
cristin.ispublished | true | |
cristin.fulltext | original | |
cristin.qualitycode | 2 | |
dc.identifier.cristin | 2171585 | |
dc.identifier.bibliographiccitation | info:ofi/fmt:kev:mtx:ctx&ctx_ver=Z39.88-2004&rft_val_fmt=info:ofi/fmt:kev:mtx:journal&rft.jtitle=Astronomy and Astrophysics (A & A)&rft.volume=675&rft.spage=&rft.date=2023 | |
dc.identifier.jtitle | Astronomy and Astrophysics (A & A) | |
dc.identifier.volume | 675 | |
dc.identifier.pagecount | 17 | |
dc.identifier.doi | https://doi.org/10.1051/0004-6361/202243137 | |
dc.subject.nvi | VDP::Astrofysikk, astronomi: 438 | |
dc.type.document | Tidsskriftartikkel | |
dc.type.peerreviewed | Peer reviewed | |
dc.source.issn | 0004-6361 | |
dc.type.version | PublishedVersion | |
cristin.articleid | A3 | |