{"id":"https://openalex.org/W4391053239","doi":"https://doi.org/10.1145/3635035.3635040","title":"Parallelized Remapping Algorithms for km-scale Global Weather and Climate Simulations with Icosahedral Grid System","display_name":"Parallelized Remapping Algorithms for km-scale Global Weather and Climate Simulations with Icosahedral Grid System","publication_year":2024,"publication_date":"2024-01-18","ids":{"openalex":"https://openalex.org/W4391053239","doi":"https://doi.org/10.1145/3635035.3635040"},"language":"en","primary_location":{"id":"doi:10.1145/3635035.3635040","is_oa":true,"landing_page_url":"https://doi.org/10.1145/3635035.3635040","pdf_url":"https://dl.acm.org/doi/pdf/10.1145/3635035.3635040","source":null,"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Proceedings of the International Conference on High Performance Computing in Asia-Pacific Region","raw_type":"proceedings-article"},"type":"article","indexed_in":["crossref"],"open_access":{"is_oa":true,"oa_status":"gold","oa_url":"https://dl.acm.org/doi/pdf/10.1145/3635035.3635040","any_repository_has_fulltext":null},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5060981498","display_name":"Chihiro Kodama","orcid":"https://orcid.org/0000-0001-8252-7479"},"institutions":[{"id":"https://openalex.org/I1315852903","display_name":"Japan Agency for Marine-Earth Science and Technology","ror":"https://ror.org/059qg2m13","country_code":"JP","type":"facility","lineage":["https://openalex.org/I1315852903"]}],"countries":["JP"],"is_corresponding":true,"raw_author_name":"Chihiro Kodama","raw_affiliation_strings":["Japan Agency for Marine-Earth Science and Technology, Japan"],"raw_orcid":"https://orcid.org/0000-0001-8252-7479","affiliations":[{"raw_affiliation_string":"Japan Agency for Marine-Earth Science and Technology, Japan","institution_ids":["https://openalex.org/I1315852903"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5018339785","display_name":"Hisashi Yashiro","orcid":"https://orcid.org/0000-0002-2678-526X"},"institutions":[{"id":"https://openalex.org/I200202764","display_name":"National Institute for Environmental Studies","ror":"https://ror.org/02hw5fp67","country_code":"JP","type":"education","lineage":["https://openalex.org/I200202764"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Hisashi Yashiro","raw_affiliation_strings":["National Institute for Environmental Studies, Japan"],"raw_orcid":"https://orcid.org/0000-0002-2678-526X","affiliations":[{"raw_affiliation_string":"National Institute for Environmental Studies, Japan","institution_ids":["https://openalex.org/I200202764"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5067406222","display_name":"Takashi Arakawa","orcid":"https://orcid.org/0000-0003-2811-2082"},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Takashi Arakawa","raw_affiliation_strings":["CliMTech Inc, Japan"],"raw_orcid":"https://orcid.org/0000-0003-2811-2082","affiliations":[{"raw_affiliation_string":"CliMTech Inc, Japan","institution_ids":[]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5068434700","display_name":"Daisuke Takasuka","orcid":"https://orcid.org/0000-0002-9321-6403"},"institutions":[{"id":"https://openalex.org/I74801974","display_name":"The University of Tokyo","ror":"https://ror.org/057zh3y96","country_code":"JP","type":"education","lineage":["https://openalex.org/I74801974"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Daisuke Takasuka","raw_affiliation_strings":["Atmosphere and Ocean Research Institute, The University of Tokyo, Japan"],"raw_orcid":"https://orcid.org/0000-0002-9321-6403","affiliations":[{"raw_affiliation_string":"Atmosphere and Ocean Research Institute, The University of Tokyo, Japan","institution_ids":["https://openalex.org/I74801974"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5045573538","display_name":"Shuhei Matsugishi","orcid":"https://orcid.org/0000-0003-0590-4343"},"institutions":[{"id":"https://openalex.org/I74801974","display_name":"The University of Tokyo","ror":"https://ror.org/057zh3y96","country_code":"JP","type":"education","lineage":["https://openalex.org/I74801974"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Shuhei Matsugishi","raw_affiliation_strings":["Atmosphere and Ocean Research Institute, The University of Tokyo, Japan"],"raw_orcid":"https://orcid.org/0000-0003-0590-4343","affiliations":[{"raw_affiliation_string":"Atmosphere and Ocean Research Institute, The University of Tokyo, Japan","institution_ids":["https://openalex.org/I74801974"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5012330250","display_name":"Hirofumi Tomita","orcid":"https://orcid.org/0000-0002-7154-8060"},"institutions":[{"id":"https://openalex.org/I4210129730","display_name":"RIKEN Center for Computational Science","ror":"https://ror.org/03r519674","country_code":"JP","type":"facility","lineage":["https://openalex.org/I4210110652","https://openalex.org/I4210129730"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Hirofumi Tomita","raw_affiliation_strings":["RIKEN Center for Computational Science, Japan"],"raw_orcid":"https://orcid.org/0000-0002-7154-8060","affiliations":[{"raw_affiliation_string":"RIKEN Center for Computational Science, Japan","institution_ids":["https://openalex.org/I4210129730"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":6,"corresponding_author_ids":["https://openalex.org/A5060981498"],"corresponding_institution_ids":["https://openalex.org/I1315852903"],"apc_list":null,"apc_paid":null,"fwci":0.0,"has_fulltext":true,"cited_by_count":0,"citation_normalized_percentile":{"value":0.00748713,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":null,"biblio":{"volume":null,"issue":null,"first_page":"35","last_page":"46"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10466","display_name":"Meteorological Phenomena and Simulations","score":0.9947999715805054,"subfield":{"id":"https://openalex.org/subfields/1902","display_name":"Atmospheric Science"},"field":{"id":"https://openalex.org/fields/19","display_name":"Earth and Planetary Sciences"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},"topics":[{"id":"https://openalex.org/T10466","display_name":"Meteorological Phenomena and Simulations","score":0.9947999715805054,"subfield":{"id":"https://openalex.org/subfields/1902","display_name":"Atmospheric Science"},"field":{"id":"https://openalex.org/fields/19","display_name":"Earth and Planetary Sciences"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T11181","display_name":"Advanced Data Storage Technologies","score":0.9904999732971191,"subfield":{"id":"https://openalex.org/subfields/1705","display_name":"Computer Networks and Communications"},"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/T10715","display_name":"Distributed and Parallel Computing Systems","score":0.9750000238418579,"subfield":{"id":"https://openalex.org/subfields/1705","display_name":"Computer Networks and Communications"},"field":{"id":"https://openalex.org/fields/17","display_name":"Computer Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.8113851547241211},{"id":"https://openalex.org/keywords/scalability","display_name":"Scalability","score":0.6597490310668945},{"id":"https://openalex.org/keywords/grid","display_name":"Grid","score":0.6240161061286926},{"id":"https://openalex.org/keywords/benchmark","display_name":"Benchmark (surveying)","score":0.5844765901565552},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.5679405927658081},{"id":"https://openalex.org/keywords/supercomputer","display_name":"Supercomputer","score":0.5639218688011169},{"id":"https://openalex.org/keywords/parallel-computing","display_name":"Parallel computing","score":0.4875878691673279},{"id":"https://openalex.org/keywords/computational-science","display_name":"Computational science","score":0.4685586094856262},{"id":"https://openalex.org/keywords/longitude","display_name":"Longitude","score":0.4363973140716553},{"id":"https://openalex.org/keywords/cloud-computing","display_name":"Cloud computing","score":0.411634624004364},{"id":"https://openalex.org/keywords/latitude","display_name":"Latitude","score":0.3040047585964203},{"id":"https://openalex.org/keywords/database","display_name":"Database","score":0.23190918564796448},{"id":"https://openalex.org/keywords/geology","display_name":"Geology","score":0.11832126975059509},{"id":"https://openalex.org/keywords/operating-system","display_name":"Operating system","score":0.0965723991394043}],"concepts":[{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.8113851547241211},{"id":"https://openalex.org/C48044578","wikidata":"https://www.wikidata.org/wiki/Q727490","display_name":"Scalability","level":2,"score":0.6597490310668945},{"id":"https://openalex.org/C187691185","wikidata":"https://www.wikidata.org/wiki/Q2020720","display_name":"Grid","level":2,"score":0.6240161061286926},{"id":"https://openalex.org/C185798385","wikidata":"https://www.wikidata.org/wiki/Q1161707","display_name":"Benchmark (surveying)","level":2,"score":0.5844765901565552},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.5679405927658081},{"id":"https://openalex.org/C83283714","wikidata":"https://www.wikidata.org/wiki/Q121117","display_name":"Supercomputer","level":2,"score":0.5639218688011169},{"id":"https://openalex.org/C173608175","wikidata":"https://www.wikidata.org/wiki/Q232661","display_name":"Parallel computing","level":1,"score":0.4875878691673279},{"id":"https://openalex.org/C459310","wikidata":"https://www.wikidata.org/wiki/Q117801","display_name":"Computational science","level":1,"score":0.4685586094856262},{"id":"https://openalex.org/C2780554747","wikidata":"https://www.wikidata.org/wiki/Q36477","display_name":"Longitude","level":3,"score":0.4363973140716553},{"id":"https://openalex.org/C79974875","wikidata":"https://www.wikidata.org/wiki/Q483639","display_name":"Cloud computing","level":2,"score":0.411634624004364},{"id":"https://openalex.org/C122523270","wikidata":"https://www.wikidata.org/wiki/Q34027","display_name":"Latitude","level":2,"score":0.3040047585964203},{"id":"https://openalex.org/C77088390","wikidata":"https://www.wikidata.org/wiki/Q8513","display_name":"Database","level":1,"score":0.23190918564796448},{"id":"https://openalex.org/C127313418","wikidata":"https://www.wikidata.org/wiki/Q1069","display_name":"Geology","level":0,"score":0.11832126975059509},{"id":"https://openalex.org/C111919701","wikidata":"https://www.wikidata.org/wiki/Q9135","display_name":"Operating system","level":1,"score":0.0965723991394043},{"id":"https://openalex.org/C13280743","wikidata":"https://www.wikidata.org/wiki/Q131089","display_name":"Geodesy","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1145/3635035.3635040","is_oa":true,"landing_page_url":"https://doi.org/10.1145/3635035.3635040","pdf_url":"https://dl.acm.org/doi/pdf/10.1145/3635035.3635040","source":null,"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Proceedings of the International Conference on High Performance Computing in Asia-Pacific Region","raw_type":"proceedings-article"}],"best_oa_location":{"id":"doi:10.1145/3635035.3635040","is_oa":true,"landing_page_url":"https://doi.org/10.1145/3635035.3635040","pdf_url":"https://dl.acm.org/doi/pdf/10.1145/3635035.3635040","source":null,"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Proceedings of the International Conference on High Performance Computing in Asia-Pacific Region","raw_type":"proceedings-article"},"sustainable_development_goals":[{"score":0.8500000238418579,"display_name":"Climate action","id":"https://metadata.un.org/sdg/13"}],"awards":[{"id":"https://openalex.org/G2660333490","display_name":null,"funder_award_id":"hp220167","funder_id":"https://openalex.org/F4320320912","funder_display_name":"Ministry of Education, Culture, Sports, Science and Technology"},{"id":"https://openalex.org/G5776443859","display_name":null,"funder_award_id":"JP20H05728","funder_id":"https://openalex.org/F4320320912","funder_display_name":"Ministry of Education, Culture, Sports, Science and Technology"},{"id":"https://openalex.org/G6273955490","display_name":null,"funder_award_id":"JP20H05728","funder_id":"https://openalex.org/F4320334764","funder_display_name":"Japan Society for the Promotion of Science"},{"id":"https://openalex.org/G7291259598","display_name":null,"funder_award_id":"hp200128","funder_id":"https://openalex.org/F4320320912","funder_display_name":"Ministry of Education, Culture, Sports, Science and Technology"},{"id":"https://openalex.org/G8328952525","display_name":null,"funder_award_id":"hp210166","funder_id":"https://openalex.org/F4320320912","funder_display_name":"Ministry of Education, Culture, Sports, Science and Technology"}],"funders":[{"id":"https://openalex.org/F4320320912","display_name":"Ministry of Education, Culture, Sports, Science and Technology","ror":"https://ror.org/048rj2z13"},{"id":"https://openalex.org/F4320334764","display_name":"Japan Society for the Promotion of Science","ror":"https://ror.org/00hhkn466"}],"has_content":{"pdf":true,"grobid_xml":true},"content_urls":{"pdf":"https://content.openalex.org/works/W4391053239.pdf","grobid_xml":"https://content.openalex.org/works/W4391053239.grobid-xml"},"referenced_works_count":21,"referenced_works":["https://openalex.org/W1544759443","https://openalex.org/W1965927423","https://openalex.org/W1969299137","https://openalex.org/W1974432113","https://openalex.org/W2016350002","https://openalex.org/W2035908552","https://openalex.org/W2037874145","https://openalex.org/W2042494845","https://openalex.org/W2043535418","https://openalex.org/W2051944009","https://openalex.org/W2086270531","https://openalex.org/W2162206658","https://openalex.org/W2162343095","https://openalex.org/W2528506708","https://openalex.org/W2883042056","https://openalex.org/W2975081708","https://openalex.org/W3022840400","https://openalex.org/W3090347773","https://openalex.org/W4205104223","https://openalex.org/W4225876655","https://openalex.org/W4388216716"],"related_works":["https://openalex.org/W2085468475","https://openalex.org/W2355133164","https://openalex.org/W2503001083","https://openalex.org/W1989338039","https://openalex.org/W2992184705","https://openalex.org/W2388796632","https://openalex.org/W2387115596","https://openalex.org/W3134584307","https://openalex.org/W2135892587","https://openalex.org/W2358996359"],"abstract_inverted_index":{"In":[0,81],"weather":[1,44,238],"and":[2,13,15,45,53,78,117,145,175,178,239],"climate":[3,46,219,240],"research,":[4],"latitude\u2013longitude":[5,22],"grid":[6,51,115],"data":[7,62,88,110,126,221],"are":[8],"typically":[9,24],"used":[10],"for":[11,40],"analysis":[12],"visualization,":[14],"remapping":[16,38,69,194],"from":[17],"model":[18,47,61],"native":[19],"grids":[20,23],"to":[21,106,167,186,206],"requires":[25],"a":[26,34,42,168,187,200,223],"significant":[27],"amount":[28],"of":[29,36,87,102,139,157,181,215,231],"time.":[30,225],"Here,":[31],"we":[32],"developed":[33,130],"series":[35],"parallelized":[37,91],"algorithms":[39,131],"NICAM,":[41],"global":[43,58,217],"with":[48,57,111,123,161,208],"an":[49],"icosahedral":[50],"system,":[52],"demonstrated":[54],"their":[55],"performance":[56,170,189],"14\u20130.87-km":[59],"mesh":[60,109,125,210],"on":[63,242],"the":[64,85,98,129,134,152,155,172,179,182,213,229],"supercomputer":[65],"Fugaku.":[66],"The":[67,121,193],"original":[68,135],"tool":[70],"in":[71,76,137,171,190,222,236],"NICAM":[72],"supports":[73],"parallelization":[74],"only":[75],"reading":[77],"interpolating":[79],"data.":[80],"our":[82],"proposed":[83,153],"algorithms,":[84,154],"process":[86],"writing":[89],"is":[90,204],"by":[92],"separating":[93],"output":[94,158,202],"files":[95],"or":[96],"using":[97],"MPI-IO":[99,183],"library,":[100],"both":[101],"which":[103],"enable":[104],"us":[105],"remap":[107],"0.87-km":[108],"670":[112],"million":[113],"horizontal":[114],"points":[116],"94":[118],"vertical":[119],"levels.":[120],"benchmark":[122],"14-km":[124],"shows":[127],"that":[128],"significantly":[132],"outperform":[133],"algorithm":[136],"terms":[138],"elapsed":[140,173],"time":[141,174],"(by":[142,148],"7.4\u20138.7":[143],"times)":[144],"memory":[146,191],"usage":[147],"2.8\u20135.0":[149],"times).":[150],"Among":[151],"separation":[156],"files,":[159],"along":[160],"reduced":[162],"MPI":[163],"communication":[164],"size,":[165],"leads":[166,185],"better":[169,188],"its":[176],"scalability,":[177],"use":[180],"library":[184],"usage.":[192],"year":[195],"per":[196],"wall-clock":[197],"day,":[198],"assuming":[199],"six-hourly":[201],"interval,":[203],"up":[205],"0.56":[207],"3.5-km":[209],"data,":[211],"demonstrating":[212],"feasibility":[214],"handling":[216],"cloud-resolving":[218],"simulation":[220],"practical":[224],"This":[226],"study":[227],"demonstrates":[228],"importance":[230],"IO":[232],"performance,":[233],"including":[234],"MPI-IO,":[235],"accelerating":[237],"research":[241],"future":[243],"supercomputers.":[244]},"counts_by_year":[],"updated_date":"2026-03-27T05:58:40.876381","created_date":"2025-10-10T00:00:00"}
