{"id":"https://openalex.org/W1990548731","doi":"https://doi.org/10.1145/2807591.2807596","title":"Improving the scalability of the ocean barotropic solver in the community earth system model","display_name":"Improving the scalability of the ocean barotropic solver in the community earth system model","publication_year":2015,"publication_date":"2015-10-27","ids":{"openalex":"https://openalex.org/W1990548731","doi":"https://doi.org/10.1145/2807591.2807596","mag":"1990548731"},"language":"en","primary_location":{"id":"doi:10.1145/2807591.2807596","is_oa":true,"landing_page_url":"https://doi.org/10.1145/2807591.2807596","pdf_url":"http://dl.acm.org/ft_gateway.cfm?id=2807596&type=pdf","source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Proceedings of the International Conference for High Performance Computing, Networking, Storage and Analysis","raw_type":"proceedings-article"},"type":"conference-paper","indexed_in":["crossref"],"open_access":{"is_oa":true,"oa_status":"gold","oa_url":"http://dl.acm.org/ft_gateway.cfm?id=2807596&type=pdf","any_repository_has_fulltext":null},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5101649988","display_name":"Hu Yong","orcid":"https://orcid.org/0000-0002-8591-1991"},"institutions":[{"id":"https://openalex.org/I99065089","display_name":"Tsinghua University","ror":"https://ror.org/03cve4549","country_code":"CN","type":"education","lineage":["https://openalex.org/I99065089"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Yong Hu","raw_affiliation_strings":["Tsinghua University, Beijing, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Tsinghua University, Beijing, China","institution_ids":["https://openalex.org/I99065089"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5052865881","display_name":"Xiaomeng Huang","orcid":"https://orcid.org/0000-0002-4158-1089"},"institutions":[{"id":"https://openalex.org/I99065089","display_name":"Tsinghua University","ror":"https://ror.org/03cve4549","country_code":"CN","type":"education","lineage":["https://openalex.org/I99065089"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Xiaomeng Huang","raw_affiliation_strings":["Tsinghua University, Beijing, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Tsinghua University, Beijing, China","institution_ids":["https://openalex.org/I99065089"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5067337048","display_name":"Allison H. Baker","orcid":"https://orcid.org/0000-0003-2436-7838"},"institutions":[{"id":"https://openalex.org/I107766831","display_name":"NSF National Center for Atmospheric Research","ror":"https://ror.org/05cvfcr44","country_code":"US","type":"facility","lineage":["https://openalex.org/I107766831","https://openalex.org/I1311060795","https://openalex.org/I2799356940","https://openalex.org/I4210141337","https://openalex.org/I4210150888"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Allison H. Baker","raw_affiliation_strings":["National Center for Atmospheric Research, Boulder, CO","National Center for Atmospheric Research, Boulder, Co"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"National Center for Atmospheric Research, Boulder, CO","institution_ids":["https://openalex.org/I107766831"]},{"raw_affiliation_string":"National Center for Atmospheric Research, Boulder, Co","institution_ids":["https://openalex.org/I107766831"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5019394066","display_name":"Yu\u2010Heng Tseng","orcid":"https://orcid.org/0000-0002-4816-4974"},"institutions":[{"id":"https://openalex.org/I107766831","display_name":"NSF National Center for Atmospheric Research","ror":"https://ror.org/05cvfcr44","country_code":"US","type":"facility","lineage":["https://openalex.org/I107766831","https://openalex.org/I1311060795","https://openalex.org/I2799356940","https://openalex.org/I4210141337","https://openalex.org/I4210150888"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Yu-heng Tseng","raw_affiliation_strings":["National Center for Atmospheric Research, Boulder, CO","National Center for Atmospheric Research, Boulder, Co"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"National Center for Atmospheric Research, Boulder, CO","institution_ids":["https://openalex.org/I107766831"]},{"raw_affiliation_string":"National Center for Atmospheric Research, Boulder, Co","institution_ids":["https://openalex.org/I107766831"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5005879095","display_name":"Frank O. Bryan","orcid":"https://orcid.org/0000-0003-1672-8330"},"institutions":[{"id":"https://openalex.org/I107766831","display_name":"NSF National Center for Atmospheric Research","ror":"https://ror.org/05cvfcr44","country_code":"US","type":"facility","lineage":["https://openalex.org/I107766831","https://openalex.org/I1311060795","https://openalex.org/I2799356940","https://openalex.org/I4210141337","https://openalex.org/I4210150888"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Frank O. Bryan","raw_affiliation_strings":["National Center for Atmospheric Research, Boulder, CO","National Center for Atmospheric Research, Boulder, Co"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"National Center for Atmospheric Research, Boulder, CO","institution_ids":["https://openalex.org/I107766831"]},{"raw_affiliation_string":"National Center for Atmospheric Research, Boulder, Co","institution_ids":["https://openalex.org/I107766831"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5053602586","display_name":"John M. Dennis","orcid":"https://orcid.org/0000-0002-2119-8242"},"institutions":[{"id":"https://openalex.org/I107766831","display_name":"NSF National Center for Atmospheric Research","ror":"https://ror.org/05cvfcr44","country_code":"US","type":"facility","lineage":["https://openalex.org/I107766831","https://openalex.org/I1311060795","https://openalex.org/I2799356940","https://openalex.org/I4210141337","https://openalex.org/I4210150888"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"John M. Dennis","raw_affiliation_strings":["National Center for Atmospheric Research, Boulder, CO","National Center for Atmospheric Research, Boulder, Co"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"National Center for Atmospheric Research, Boulder, CO","institution_ids":["https://openalex.org/I107766831"]},{"raw_affiliation_string":"National Center for Atmospheric Research, Boulder, Co","institution_ids":["https://openalex.org/I107766831"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5115591592","display_name":"Guangwen Yang","orcid":null},"institutions":[{"id":"https://openalex.org/I99065089","display_name":"Tsinghua University","ror":"https://ror.org/03cve4549","country_code":"CN","type":"education","lineage":["https://openalex.org/I99065089"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Guangwen Yang","raw_affiliation_strings":["Tsinghua University, Beijing, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Tsinghua University, Beijing, China","institution_ids":["https://openalex.org/I99065089"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":2,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":null,"has_fulltext":true,"cited_by_count":15,"citation_normalized_percentile":null,"cited_by_percentile_year":null,"biblio":{"volume":null,"issue":null,"first_page":"1","last_page":"12"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10792","display_name":"Matrix Theory and Algorithms","score":0.9973000288009644,"subfield":{"id":"https://openalex.org/subfields/1703","display_name":"Computational Theory and Mathematics"},"field":{"id":"https://openalex.org/fields/17","display_name":"Computer Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},"topics":[{"id":"https://openalex.org/T10792","display_name":"Matrix Theory and Algorithms","score":0.9973000288009644,"subfield":{"id":"https://openalex.org/subfields/1703","display_name":"Computational Theory and Mathematics"},"field":{"id":"https://openalex.org/fields/17","display_name":"Computer Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T10339","display_name":"Advanced Numerical Methods in Computational Mathematics","score":0.9914000034332275,"subfield":{"id":"https://openalex.org/subfields/2206","display_name":"Computational Mechanics"},"field":{"id":"https://openalex.org/fields/22","display_name":"Engineering"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T11416","display_name":"Numerical methods for differential equations","score":0.9815000295639038,"subfield":{"id":"https://openalex.org/subfields/2612","display_name":"Numerical Analysis"},"field":{"id":"https://openalex.org/fields/26","display_name":"Mathematics"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/barotropic-fluid","display_name":"Barotropic fluid","score":0.8153667449951172},{"id":"https://openalex.org/keywords/speedup","display_name":"Speedup","score":0.751291036605835},{"id":"https://openalex.org/keywords/solver","display_name":"Solver","score":0.724566638469696},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.693825364112854},{"id":"https://openalex.org/keywords/scalability","display_name":"Scalability","score":0.651352047920227},{"id":"https://openalex.org/keywords/preconditioner","display_name":"Preconditioner","score":0.5471729636192322},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.4590661823749542},{"id":"https://openalex.org/keywords/block","display_name":"Block (permutation group theory)","score":0.45798057317733765},{"id":"https://openalex.org/keywords/conjugate-gradient-method","display_name":"Conjugate gradient method","score":0.42863601446151733},{"id":"https://openalex.org/keywords/atmospheric-model","display_name":"Atmospheric model","score":0.42060866951942444},{"id":"https://openalex.org/keywords/parallel-computing","display_name":"Parallel computing","score":0.4163754880428314},{"id":"https://openalex.org/keywords/computational-science","display_name":"Computational science","score":0.40843966603279114},{"id":"https://openalex.org/keywords/mathematical-optimization","display_name":"Mathematical optimization","score":0.36118608713150024},{"id":"https://openalex.org/keywords/iterative-method","display_name":"Iterative method","score":0.327739953994751},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.22660791873931885},{"id":"https://openalex.org/keywords/meteorology","display_name":"Meteorology","score":0.19457367062568665},{"id":"https://openalex.org/keywords/geology","display_name":"Geology","score":0.16111257672309875},{"id":"https://openalex.org/keywords/physics","display_name":"Physics","score":0.11501526832580566},{"id":"https://openalex.org/keywords/geometry","display_name":"Geometry","score":0.09488332271575928},{"id":"https://openalex.org/keywords/climatology","display_name":"Climatology","score":0.08710786700248718}],"concepts":[{"id":"https://openalex.org/C29712183","wikidata":"https://www.wikidata.org/wiki/Q739293","display_name":"Barotropic fluid","level":2,"score":0.8153667449951172},{"id":"https://openalex.org/C68339613","wikidata":"https://www.wikidata.org/wiki/Q1549489","display_name":"Speedup","level":2,"score":0.751291036605835},{"id":"https://openalex.org/C2778770139","wikidata":"https://www.wikidata.org/wiki/Q1966904","display_name":"Solver","level":2,"score":0.724566638469696},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.693825364112854},{"id":"https://openalex.org/C48044578","wikidata":"https://www.wikidata.org/wiki/Q727490","display_name":"Scalability","level":2,"score":0.651352047920227},{"id":"https://openalex.org/C167431342","wikidata":"https://www.wikidata.org/wiki/Q1754327","display_name":"Preconditioner","level":3,"score":0.5471729636192322},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.4590661823749542},{"id":"https://openalex.org/C2777210771","wikidata":"https://www.wikidata.org/wiki/Q4927124","display_name":"Block (permutation group theory)","level":2,"score":0.45798057317733765},{"id":"https://openalex.org/C81184566","wikidata":"https://www.wikidata.org/wiki/Q1191895","display_name":"Conjugate gradient method","level":2,"score":0.42863601446151733},{"id":"https://openalex.org/C118365302","wikidata":"https://www.wikidata.org/wiki/Q4817115","display_name":"Atmospheric model","level":2,"score":0.42060866951942444},{"id":"https://openalex.org/C173608175","wikidata":"https://www.wikidata.org/wiki/Q232661","display_name":"Parallel computing","level":1,"score":0.4163754880428314},{"id":"https://openalex.org/C459310","wikidata":"https://www.wikidata.org/wiki/Q117801","display_name":"Computational science","level":1,"score":0.40843966603279114},{"id":"https://openalex.org/C126255220","wikidata":"https://www.wikidata.org/wiki/Q141495","display_name":"Mathematical optimization","level":1,"score":0.36118608713150024},{"id":"https://openalex.org/C159694833","wikidata":"https://www.wikidata.org/wiki/Q2321565","display_name":"Iterative method","level":2,"score":0.327739953994751},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.22660791873931885},{"id":"https://openalex.org/C153294291","wikidata":"https://www.wikidata.org/wiki/Q25261","display_name":"Meteorology","level":1,"score":0.19457367062568665},{"id":"https://openalex.org/C127313418","wikidata":"https://www.wikidata.org/wiki/Q1069","display_name":"Geology","level":0,"score":0.16111257672309875},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.11501526832580566},{"id":"https://openalex.org/C2524010","wikidata":"https://www.wikidata.org/wiki/Q8087","display_name":"Geometry","level":1,"score":0.09488332271575928},{"id":"https://openalex.org/C49204034","wikidata":"https://www.wikidata.org/wiki/Q52139","display_name":"Climatology","level":1,"score":0.08710786700248718},{"id":"https://openalex.org/C77088390","wikidata":"https://www.wikidata.org/wiki/Q8513","display_name":"Database","level":1,"score":0.0},{"id":"https://openalex.org/C199360897","wikidata":"https://www.wikidata.org/wiki/Q9143","display_name":"Programming language","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1145/2807591.2807596","is_oa":true,"landing_page_url":"https://doi.org/10.1145/2807591.2807596","pdf_url":"http://dl.acm.org/ft_gateway.cfm?id=2807596&type=pdf","source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Proceedings of the International Conference for High Performance Computing, Networking, Storage and Analysis","raw_type":"proceedings-article"}],"best_oa_location":{"id":"doi:10.1145/2807591.2807596","is_oa":true,"landing_page_url":"https://doi.org/10.1145/2807591.2807596","pdf_url":"http://dl.acm.org/ft_gateway.cfm?id=2807596&type=pdf","source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Proceedings of the International Conference for High Performance Computing, Networking, Storage and Analysis","raw_type":"proceedings-article"},"sustainable_development_goals":[{"id":"https://metadata.un.org/sdg/13","score":0.550000011920929,"display_name":"Climate action"}],"awards":[{"id":"https://openalex.org/G1286236842","display_name":null,"funder_award_id":"-AC02-05CH11231","funder_id":"https://openalex.org/F4320306084","funder_display_name":"U.S. Department of Energy"},{"id":"https://openalex.org/G1677143136","display_name":null,"funder_award_id":"05CH11231","funder_id":"https://openalex.org/F4320317220","funder_display_name":"National Energy Research Scientific Computing Center"},{"id":"https://openalex.org/G1828425977","display_name":null,"funder_award_id":"973 Program","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G2503023272","display_name":null,"funder_award_id":"Contract No. DE-AC02-05CH11231","funder_id":"https://openalex.org/F4320306084","funder_display_name":"U.S. Department of Energy"},{"id":"https://openalex.org/G3083819904","display_name":null,"funder_award_id":"05CH11231","funder_id":"https://openalex.org/F4320306084","funder_display_name":"U.S. Department of Energy"},{"id":"https://openalex.org/G3114243037","display_name":null,"funder_award_id":"DE-AC02-05CH11231","funder_id":"https://openalex.org/F4320335777","funder_display_name":"National Key Research and Development Program of China"},{"id":"https://openalex.org/G3944918260","display_name":null,"funder_award_id":"DE-AC02-05CH11231","funder_id":"https://openalex.org/F4320332359","funder_display_name":"Office of Science"},{"id":"https://openalex.org/G4501827968","display_name":null,"funder_award_id":"AC02-05CH11231","funder_id":"https://openalex.org/F4320332359","funder_display_name":"Office of Science"},{"id":"https://openalex.org/G4565140552","display_name":null,"funder_award_id":"-AC02-05CH11231","funder_id":"https://openalex.org/F4320332359","funder_display_name":"Office of Science"},{"id":"https://openalex.org/G498139845","display_name":null,"funder_award_id":"DE-AC02","funder_id":"https://openalex.org/F4320332359","funder_display_name":"Office of Science"},{"id":"https://openalex.org/G5076365615","display_name":null,"funder_award_id":"AC02-05CH11231","funder_id":"https://openalex.org/F4320317220","funder_display_name":"National Energy Research Scientific Computing Center"},{"id":"https://openalex.org/G5296923526","display_name":null,"funder_award_id":"Contract No. DE-AC02-05CH11231","funder_id":"https://openalex.org/F4320317220","funder_display_name":"National Energy Research Scientific Computing Center"},{"id":"https://openalex.org/G533199125","display_name":null,"funder_award_id":"41375102","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G5564408544","display_name":null,"funder_award_id":"2014CB347800","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G6348972864","display_name":null,"funder_award_id":"AC02-05CH11231","funder_id":"https://openalex.org/F4320306084","funder_display_name":"U.S. Department of Energy"},{"id":"https://openalex.org/G6558272803","display_name":null,"funder_award_id":"DE-AC02","funder_id":"https://openalex.org/F4320306084","funder_display_name":"U.S. Department of Energy"},{"id":"https://openalex.org/G704498496","display_name":null,"funder_award_id":"DE-AC02-05CH11231","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G7233692708","display_name":null,"funder_award_id":"DE-AC02-05CH11231","funder_id":"https://openalex.org/F4320306076","funder_display_name":"National Science Foundation"},{"id":"https://openalex.org/G7372578141","display_name":null,"funder_award_id":"No. 2014CB347800","funder_id":"https://openalex.org/F4320335777","funder_display_name":"National Key Research and Development Program of China"},{"id":"https://openalex.org/G7494890979","display_name":null,"funder_award_id":"2014CB347800","funder_id":"https://openalex.org/F4320335777","funder_display_name":"National Key Research and Development Program of China"},{"id":"https://openalex.org/G7672463193","display_name":null,"funder_award_id":"No. DE-AC02-05CH11231","funder_id":"https://openalex.org/F4320332359","funder_display_name":"Office of Science"},{"id":"https://openalex.org/G805243471","display_name":null,"funder_award_id":"Contract No. DE-AC02-05CH11231","funder_id":"https://openalex.org/F4320332359","funder_display_name":"Office of Science"},{"id":"https://openalex.org/G969889393","display_name":null,"funder_award_id":"DE-AC02-","funder_id":"https://openalex.org/F4320306084","funder_display_name":"U.S. Department of Energy"}],"funders":[{"id":"https://openalex.org/F4320306076","display_name":"National Science Foundation","ror":"https://ror.org/021nxhr62"},{"id":"https://openalex.org/F4320306084","display_name":"U.S. Department of Energy","ror":"https://ror.org/01bj3aw27"},{"id":"https://openalex.org/F4320317220","display_name":"National Energy Research Scientific Computing Center","ror":"https://ror.org/05v3mvq14"},{"id":"https://openalex.org/F4320321001","display_name":"National Natural Science Foundation of China","ror":"https://ror.org/01h0zpd94"},{"id":"https://openalex.org/F4320332359","display_name":"Office of Science","ror":"https://ror.org/00mmn6b08"},{"id":"https://openalex.org/F4320335777","display_name":"National Key Research and Development Program of China","ror":null}],"has_content":{"pdf":true,"grobid_xml":true},"content_urls":{"pdf":"https://content.openalex.org/works/W1990548731.pdf","grobid_xml":"https://content.openalex.org/works/W1990548731.grobid-xml"},"referenced_works_count":42,"referenced_works":["https://openalex.org/W138506437","https://openalex.org/W649763898","https://openalex.org/W1685296168","https://openalex.org/W1770986983","https://openalex.org/W1907157228","https://openalex.org/W1973657321","https://openalex.org/W1979962898","https://openalex.org/W1981220107","https://openalex.org/W1988494877","https://openalex.org/W1992067978","https://openalex.org/W2001911974","https://openalex.org/W2003505798","https://openalex.org/W2009532193","https://openalex.org/W2020029307","https://openalex.org/W2020875959","https://openalex.org/W2027764906","https://openalex.org/W2030995892","https://openalex.org/W2050686700","https://openalex.org/W2058224297","https://openalex.org/W2066692739","https://openalex.org/W2067953487","https://openalex.org/W2076514761","https://openalex.org/W2081564827","https://openalex.org/W2088249411","https://openalex.org/W2093694849","https://openalex.org/W2094984583","https://openalex.org/W2096714979","https://openalex.org/W2101277723","https://openalex.org/W2105047789","https://openalex.org/W2121176887","https://openalex.org/W2140427478","https://openalex.org/W2148147555","https://openalex.org/W2149506065","https://openalex.org/W2155598399","https://openalex.org/W2158900113","https://openalex.org/W2161973644","https://openalex.org/W2296845778","https://openalex.org/W2621059473","https://openalex.org/W2625810286","https://openalex.org/W2903757504","https://openalex.org/W3122861904","https://openalex.org/W4386706519"],"related_works":["https://openalex.org/W1982761202","https://openalex.org/W1974849365","https://openalex.org/W2968204227","https://openalex.org/W2898305494","https://openalex.org/W2159515580","https://openalex.org/W2081820376","https://openalex.org/W2091325992","https://openalex.org/W2059625160","https://openalex.org/W2006453807","https://openalex.org/W2740546554"],"abstract_inverted_index":{"High-resolution":[0],"climate":[1,193],"simulations":[2],"are":[3,103],"increasingly":[4],"in":[5,60,86,116,159,167],"demand":[6],"and":[7,31],"require":[8],"tremendous":[9],"computing":[10],"resources.":[11],"In":[12,44,77],"the":[13,18,34,46,55,61,67,83,87,95,137,153,164,179,187,196],"Community":[14],"Earth":[15],"SystemModel":[16],"(CESM),":[17],"Parallel":[19],"Ocean":[20],"Model":[21],"(POP)":[22],"is":[23,32,72],"computationally":[24],"expensive":[25],"for":[26,40,74,148],"high-resolution":[27,75,168],"grids":[28],"(e.g.,":[29],"0.1\u00b0)":[30],"frequently":[33],"least":[35],"scalable":[36],"component":[37],"of":[38,58,94,156,163,178],"CESM":[39],"certain":[41],"production":[42],"simulations.":[43,76],"particular,":[45],"modified":[47],"Preconditioned":[48],"Conjugate":[49],"Gradient":[50],"(PCG),":[51],"used":[52],"to":[53,142],"solve":[54],"elliptic":[56],"system":[57],"equations":[59],"barotropic":[62,88,165],"mode,":[63],"scales":[64],"poorly":[65],"at":[66],"high":[68],"core":[69,101],"counts,":[70],"which":[71,120,173],"problematic":[73],"this":[78,107],"work,":[79],"we":[80,109,184],"demonstrate":[81,151],"that":[82,152,186],"communication":[84],"costs":[85],"solver":[89,189],"occupy":[90],"an":[91,131,191,200],"increasing":[92],"portion":[93],"total":[96],"POP":[97,117,169,181],"execution":[98],"time":[99],"as":[100],"counts":[102],"increased.":[104],"To":[105],"mitigate":[106],"problem,":[108],"implement":[110],"a":[111,144,160,175],"preconditioned":[112],"Chebyshev-type":[113],"iterative":[114],"method":[115],"(called":[118],"P-CSI),":[119],"requires":[121],"far":[122],"fewer":[123],"global":[124],"reductions":[125],"than":[126],"PCG.":[127],"We":[128,150],"also":[129],"develop":[130],"effective":[132],"block":[133],"preconditioner":[134],"based":[135],"on":[136,170],"Error":[138],"Vector":[139],"Propagation":[140],"Method":[141],"attain":[143],"competitive":[145],"convergence":[146],"rate":[147],"P-CSI.":[149],"improved":[154],"scalability":[155],"P-CSI":[157],"results":[158],"5.2x":[161],"speedup":[162,177],"mode":[166],"16,875":[171],"cores,":[172],"yields":[174],"1.7x":[176],"overall":[180],"simulation.":[182],"Further,":[183],"ensure":[185],"new":[188],"produces":[190],"ocean":[192],"consistent":[194],"with":[195],"original":[197],"one":[198],"via":[199],"ensemble-based":[201],"statistical":[202],"method.":[203]},"counts_by_year":[{"year":2025,"cited_by_count":1},{"year":2021,"cited_by_count":4},{"year":2020,"cited_by_count":4},{"year":2019,"cited_by_count":1},{"year":2017,"cited_by_count":1},{"year":2016,"cited_by_count":4}],"updated_date":"2026-07-18T07:39:51.176621","created_date":"2025-10-10T00:00:00"}