{"id":"https://openalex.org/W2963889448","doi":"https://doi.org/10.1145/3337821.3337882","title":"The Communication-Overlapped Hybrid Decomposition Parallel Algorithm for Multi-Scale Fluid Simulations","display_name":"The Communication-Overlapped Hybrid Decomposition Parallel Algorithm for Multi-Scale Fluid Simulations","publication_year":2019,"publication_date":"2019-07-25","ids":{"openalex":"https://openalex.org/W2963889448","doi":"https://doi.org/10.1145/3337821.3337882","mag":"2963889448"},"language":"en","primary_location":{"id":"doi:10.1145/3337821.3337882","is_oa":false,"landing_page_url":"https://doi.org/10.1145/3337821.3337882","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Proceedings of the 48th International Conference on Parallel Processing","raw_type":"proceedings-article"},"type":"conference-paper","indexed_in":["crossref"],"open_access":{"is_oa":false,"oa_status":"closed","oa_url":null,"any_repository_has_fulltext":false},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5084707189","display_name":"Yi Liu","orcid":"https://orcid.org/0000-0001-5372-7244"},"institutions":[{"id":"https://openalex.org/I170215575","display_name":"National University of Defense Technology","ror":"https://ror.org/05d2yfz11","country_code":"CN","type":"education","lineage":["https://openalex.org/I170215575"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Yi Liu","raw_affiliation_strings":["College of Computer, National University of Defense Technology, Changsha, Hunan, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"College of Computer, National University of Defense Technology, Changsha, Hunan, China","institution_ids":["https://openalex.org/I170215575"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5049109551","display_name":"Xiao\u2010Wei Guo","orcid":"https://orcid.org/0000-0003-4712-1320"},"institutions":[{"id":"https://openalex.org/I170215575","display_name":"National University of Defense Technology","ror":"https://ror.org/05d2yfz11","country_code":"CN","type":"education","lineage":["https://openalex.org/I170215575"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Xiao-Wei Guo","raw_affiliation_strings":["State Key Laboratory of High Performance Computing, College of Computer, National University of Defense Technology, Changsha, Hunan, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"State Key Laboratory of High Performance Computing, College of Computer, National University of Defense Technology, Changsha, Hunan, China","institution_ids":["https://openalex.org/I170215575"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5100744327","display_name":"Chao Li","orcid":"https://orcid.org/0000-0001-8721-4826"},"institutions":[{"id":"https://openalex.org/I170215575","display_name":"National University of Defense Technology","ror":"https://ror.org/05d2yfz11","country_code":"CN","type":"education","lineage":["https://openalex.org/I170215575"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Chao Li","raw_affiliation_strings":["State Key Laboratory of High Performance Computing, College of Computer, National University of Defense Technology, Changsha, Hunan, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"State Key Laboratory of High Performance Computing, College of Computer, National University of Defense Technology, Changsha, Hunan, China","institution_ids":["https://openalex.org/I170215575"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5101044975","display_name":"Canqun Yang","orcid":null},"institutions":[{"id":"https://openalex.org/I170215575","display_name":"National University of Defense Technology","ror":"https://ror.org/05d2yfz11","country_code":"CN","type":"education","lineage":["https://openalex.org/I170215575"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Canqun Yang","raw_affiliation_strings":["College of Computer, National University of Defense Technology, Changsha, Hunan, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"College of Computer, National University of Defense Technology, Changsha, Hunan, China","institution_ids":["https://openalex.org/I170215575"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5101105445","display_name":"Xinbiao Gan","orcid":"https://orcid.org/0000-0003-3622-1772"},"institutions":[{"id":"https://openalex.org/I170215575","display_name":"National University of Defense Technology","ror":"https://ror.org/05d2yfz11","country_code":"CN","type":"education","lineage":["https://openalex.org/I170215575"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Xinbiao Gan","raw_affiliation_strings":["College of Computer, National University of Defense Technology, Changsha, Hunan, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"College of Computer, National University of Defense Technology, Changsha, Hunan, China","institution_ids":["https://openalex.org/I170215575"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5100733059","display_name":"Peng Zhang","orcid":"https://orcid.org/0000-0002-3527-7259"},"institutions":[{"id":"https://openalex.org/I170215575","display_name":"National University of Defense Technology","ror":"https://ror.org/05d2yfz11","country_code":"CN","type":"education","lineage":["https://openalex.org/I170215575"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Peng Zhang","raw_affiliation_strings":["College of Computer, National University of Defense Technology, Changsha, Hunan, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"College of Computer, National University of Defense Technology, Changsha, Hunan, China","institution_ids":["https://openalex.org/I170215575"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5100775746","display_name":"Yi Wang","orcid":"https://orcid.org/0000-0002-3657-9769"},"institutions":[{"id":"https://openalex.org/I170215575","display_name":"National University of Defense Technology","ror":"https://ror.org/05d2yfz11","country_code":"CN","type":"education","lineage":["https://openalex.org/I170215575"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Yi Wang","raw_affiliation_strings":["College of Computer, National University of Defense Technology, Changsha, Hunan, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"College of Computer, National University of Defense Technology, Changsha, Hunan, China","institution_ids":["https://openalex.org/I170215575"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5057296479","display_name":"Ran Zhao","orcid":"https://orcid.org/0000-0001-8346-5556"},"institutions":[{"id":"https://openalex.org/I170215575","display_name":"National University of Defense Technology","ror":"https://ror.org/05d2yfz11","country_code":"CN","type":"education","lineage":["https://openalex.org/I170215575"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Ran Zhao","raw_affiliation_strings":["College of Computer, National University of Defense Technology, Changsha, Hunan, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"College of Computer, National University of Defense Technology, Changsha, Hunan, China","institution_ids":["https://openalex.org/I170215575"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5038477211","display_name":"Sijiang Fan","orcid":"https://orcid.org/0000-0002-2168-4590"},"institutions":[{"id":"https://openalex.org/I170215575","display_name":"National University of Defense Technology","ror":"https://ror.org/05d2yfz11","country_code":"CN","type":"education","lineage":["https://openalex.org/I170215575"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Sijiang Fan","raw_affiliation_strings":["College of Computer, National University of Defense Technology, Changsha, Hunan, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"College of Computer, National University of Defense Technology, Changsha, Hunan, China","institution_ids":["https://openalex.org/I170215575"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":[],"corresponding_institution_ids":["https://openalex.org/I170215575"],"apc_list":null,"apc_paid":null,"fwci":null,"has_fulltext":false,"cited_by_count":4,"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/T10481","display_name":"Computer Graphics and Visualization Techniques","score":0.9914000034332275,"subfield":{"id":"https://openalex.org/subfields/1704","display_name":"Computer Graphics and Computer-Aided Design"},"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/T10481","display_name":"Computer Graphics and Visualization Techniques","score":0.9914000034332275,"subfield":{"id":"https://openalex.org/subfields/1704","display_name":"Computer Graphics and Computer-Aided Design"},"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/T11254","display_name":"Fluid Dynamics and Vibration Analysis","score":0.98089998960495,"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/T11751","display_name":"Lattice Boltzmann Simulation Studies","score":0.9807000160217285,"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"}}],"keywords":[{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.6695258617401123},{"id":"https://openalex.org/keywords/decomposition","display_name":"Decomposition","score":0.6232653856277466},{"id":"https://openalex.org/keywords/scale","display_name":"Scale (ratio)","score":0.5994372367858887},{"id":"https://openalex.org/keywords/parallel-computing","display_name":"Parallel computing","score":0.5001933574676514},{"id":"https://openalex.org/keywords/fluid-simulation","display_name":"Fluid simulation","score":0.46803832054138184},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.40704819560050964},{"id":"https://openalex.org/keywords/computational-science","display_name":"Computational science","score":0.3235859274864197},{"id":"https://openalex.org/keywords/physics","display_name":"Physics","score":0.08215650916099548},{"id":"https://openalex.org/keywords/chemistry","display_name":"Chemistry","score":0.06633192300796509},{"id":"https://openalex.org/keywords/mechanics","display_name":"Mechanics","score":0.06555917859077454}],"concepts":[{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.6695258617401123},{"id":"https://openalex.org/C124681953","wikidata":"https://www.wikidata.org/wiki/Q339062","display_name":"Decomposition","level":2,"score":0.6232653856277466},{"id":"https://openalex.org/C2778755073","wikidata":"https://www.wikidata.org/wiki/Q10858537","display_name":"Scale (ratio)","level":2,"score":0.5994372367858887},{"id":"https://openalex.org/C173608175","wikidata":"https://www.wikidata.org/wiki/Q232661","display_name":"Parallel computing","level":1,"score":0.5001933574676514},{"id":"https://openalex.org/C59032088","wikidata":"https://www.wikidata.org/wiki/Q1434937","display_name":"Fluid simulation","level":2,"score":0.46803832054138184},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.40704819560050964},{"id":"https://openalex.org/C459310","wikidata":"https://www.wikidata.org/wiki/Q117801","display_name":"Computational science","level":1,"score":0.3235859274864197},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.08215650916099548},{"id":"https://openalex.org/C185592680","wikidata":"https://www.wikidata.org/wiki/Q2329","display_name":"Chemistry","level":0,"score":0.06633192300796509},{"id":"https://openalex.org/C57879066","wikidata":"https://www.wikidata.org/wiki/Q41217","display_name":"Mechanics","level":1,"score":0.06555917859077454},{"id":"https://openalex.org/C62520636","wikidata":"https://www.wikidata.org/wiki/Q944","display_name":"Quantum mechanics","level":1,"score":0.0},{"id":"https://openalex.org/C178790620","wikidata":"https://www.wikidata.org/wiki/Q11351","display_name":"Organic chemistry","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1145/3337821.3337882","is_oa":false,"landing_page_url":"https://doi.org/10.1145/3337821.3337882","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Proceedings of the 48th International Conference on Parallel Processing","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":22,"referenced_works":["https://openalex.org/W1822184706","https://openalex.org/W1978735084","https://openalex.org/W2010707724","https://openalex.org/W2033711044","https://openalex.org/W2040812339","https://openalex.org/W2042120213","https://openalex.org/W2047242384","https://openalex.org/W2061091978","https://openalex.org/W2062714124","https://openalex.org/W2065747536","https://openalex.org/W2073198941","https://openalex.org/W2089006288","https://openalex.org/W2090739346","https://openalex.org/W2145137020","https://openalex.org/W2146838586","https://openalex.org/W2335059949","https://openalex.org/W2502636997","https://openalex.org/W2569920702","https://openalex.org/W2742662793","https://openalex.org/W2794515066","https://openalex.org/W2895265349","https://openalex.org/W3104999338"],"related_works":["https://openalex.org/W2380059383","https://openalex.org/W2063679720","https://openalex.org/W2031856784","https://openalex.org/W2018218513","https://openalex.org/W2185495545","https://openalex.org/W2075046161","https://openalex.org/W2385335131","https://openalex.org/W1980133340","https://openalex.org/W144221699","https://openalex.org/W1553895195"],"abstract_inverted_index":{"The":[0],"MCDPar":[1,58],"(Parallel":[2],"algorithm":[3,13,50],"for":[4,24,35,88],"multi-scale":[5,26,100],"simulations":[6],"based":[7],"on":[8,59,105,175],"Mesh":[9],"and":[10,19,65,74,96,122,135,150],"BCF":[11],"Decomposition)":[12],"significantly":[14],"reduced":[15,139,162],"the":[16,21,25,30,53,56,68,72,81,89,93,99,110,114,128,132,143,154,158,166],"execution":[17,160],"time":[18,155],"improved":[20,104],"parallel":[22,38,49,94,107,173],"scalability":[23,97],"fluid":[27],"simulations.":[28,39,108],"However,":[29],"performance":[31,54],"bottleneck":[32],"still":[33],"exists":[34],"extremely":[36],"large-scale":[37,60,106],"In":[40,109,142],"this":[41],"paper,":[42],"we":[43],"designed":[44],"a":[45,171],"communication-overlapped":[46,167],"hybrid":[47],"decomposition":[48],"to":[51,179],"improve":[52],"of":[55,83,98,116,157],"original":[57,180],"clusters.":[61],"Through":[62],"non-blocking":[63],"communication":[64,69,129],"code":[66],"scheduling,":[67],"overhead":[70],"between":[71,131],"master":[73,90,134],"slave":[75,136],"groups":[76],"have":[77],"been":[78],"overlapped":[79],"with":[80,113,146],"computation":[82],"more":[84],"microscopic":[85],"configuration":[86,117],"fields":[87,118],"process.":[91],"Thus":[92],"efficiency":[95],"solver":[101],"could":[102],"be":[103],"test":[111,144],"case":[112,145],"number":[115],"NBCF":[119,147],"=":[120,126,148,152],"1000":[121],"mesh":[123],"cells":[124],"Ncell":[125,151],"64000,":[127,153],"percentage":[130],"corresponding":[133],"processes":[137],"is":[138,161],"by":[140,163],"39.71%.":[141],"3000":[149],"cost":[156],"fastest":[159],"31.13%":[164],"using":[165],"algorithm,":[168],"which":[169],"offers":[170],"better":[172],"scaling":[174],"256":[176],"cores":[177],"compared":[178],"128":[181],"cores.":[182]},"counts_by_year":[{"year":2020,"cited_by_count":4}],"updated_date":"2026-07-14T23:27:15.235271","created_date":"2025-10-10T00:00:00"}
