{"id":"https://openalex.org/W2790751436","doi":"https://doi.org/10.1137/17m1146440","title":"Scaling Structured Multigrid to 500K+ Cores Through Coarse-Grid Redistribution","display_name":"Scaling Structured Multigrid to 500K+ Cores Through Coarse-Grid Redistribution","publication_year":2018,"publication_date":"2018-01-01","ids":{"openalex":"https://openalex.org/W2790751436","doi":"https://doi.org/10.1137/17m1146440","mag":"2790751436"},"language":"en","primary_location":{"id":"doi:10.1137/17m1146440","is_oa":false,"landing_page_url":"https://doi.org/10.1137/17m1146440","pdf_url":null,"source":{"id":"https://openalex.org/S165512578","display_name":"SIAM Journal on Scientific Computing","issn_l":"1064-8275","issn":["1064-8275","1095-7197"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310320508","host_organization_name":"Society for Industrial and Applied Mathematics","host_organization_lineage":["https://openalex.org/P4310320508"],"host_organization_lineage_names":["Society for Industrial and Applied Mathematics"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"SIAM Journal on Scientific Computing","raw_type":"journal-article"},"type":"article","indexed_in":["arxiv","crossref","datacite"],"open_access":{"is_oa":true,"oa_status":"green","oa_url":"https://arxiv.org/pdf/1803.02481","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5050690910","display_name":"Andrew Reisner","orcid":"https://orcid.org/0000-0002-5325-2266"},"institutions":[{"id":"https://openalex.org/I157725225","display_name":"University of Illinois Urbana-Champaign","ror":"https://ror.org/047426m28","country_code":"US","type":"education","lineage":["https://openalex.org/I157725225"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Andrew Reisner","raw_affiliation_strings":["***University of Illinois at Urbana-Champaign"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"***University of Illinois at Urbana-Champaign","institution_ids":["https://openalex.org/I157725225"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5027808971","display_name":"Luke N. Olson","orcid":"https://orcid.org/0000-0002-5283-6104"},"institutions":[{"id":"https://openalex.org/I19908199","display_name":"National Center for Supercomputing Applications","ror":"https://ror.org/03g9ch715","country_code":"BG","type":"facility","lineage":["https://openalex.org/I19908199"]}],"countries":["BG"],"is_corresponding":false,"raw_author_name":"Luke N. Olson","raw_affiliation_strings":["National Center for Supercomputing Applications (NCSA)"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"National Center for Supercomputing Applications (NCSA)","institution_ids":["https://openalex.org/I19908199"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5082681568","display_name":"D. Moulton","orcid":"https://orcid.org/0000-0002-9456-0871"},"institutions":[{"id":"https://openalex.org/I1343871089","display_name":"Los Alamos National Laboratory","ror":"https://ror.org/01e41cf67","country_code":"US","type":"facility","lineage":["https://openalex.org/I1330989302","https://openalex.org/I1343871089","https://openalex.org/I198811213","https://openalex.org/I4210120050"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"J. David Moulton","raw_affiliation_strings":["Los Alamos national Laboratory"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Los Alamos national Laboratory","institution_ids":["https://openalex.org/I1343871089"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":3,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":0.1721,"has_fulltext":true,"cited_by_count":1,"citation_normalized_percentile":{"value":0.59047467,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":90,"max":94},"biblio":{"volume":"40","issue":"4","first_page":"C581","last_page":"C604"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10715","display_name":"Distributed and Parallel Computing Systems","score":0.9969000220298767,"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"}},"topics":[{"id":"https://openalex.org/T10715","display_name":"Distributed and Parallel Computing Systems","score":0.9969000220298767,"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/T10054","display_name":"Parallel Computing and Optimization Techniques","score":0.9779000282287598,"subfield":{"id":"https://openalex.org/subfields/1708","display_name":"Hardware and Architecture"},"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/T11181","display_name":"Advanced Data Storage Technologies","score":0.9721999764442444,"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/multigrid-method","display_name":"Multigrid method","score":0.9623328447341919},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.7196947932243347},{"id":"https://openalex.org/keywords/grid","display_name":"Grid","score":0.6210827231407166},{"id":"https://openalex.org/keywords/scalability","display_name":"Scalability","score":0.617203950881958},{"id":"https://openalex.org/keywords/parallel-computing","display_name":"Parallel computing","score":0.5860817432403564},{"id":"https://openalex.org/keywords/solver","display_name":"Solver","score":0.4313032329082489},{"id":"https://openalex.org/keywords/computational-science","display_name":"Computational science","score":0.4239717423915863},{"id":"https://openalex.org/keywords/discretization","display_name":"Discretization","score":0.41878536343574524},{"id":"https://openalex.org/keywords/supercomputer","display_name":"Supercomputer","score":0.4156799614429474},{"id":"https://openalex.org/keywords/mathematical-optimization","display_name":"Mathematical optimization","score":0.35776492953300476},{"id":"https://openalex.org/keywords/partial-differential-equation","display_name":"Partial differential equation","score":0.25508934259414673},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.18070057034492493}],"concepts":[{"id":"https://openalex.org/C137119250","wikidata":"https://www.wikidata.org/wiki/Q1413101","display_name":"Multigrid method","level":3,"score":0.9623328447341919},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.7196947932243347},{"id":"https://openalex.org/C187691185","wikidata":"https://www.wikidata.org/wiki/Q2020720","display_name":"Grid","level":2,"score":0.6210827231407166},{"id":"https://openalex.org/C48044578","wikidata":"https://www.wikidata.org/wiki/Q727490","display_name":"Scalability","level":2,"score":0.617203950881958},{"id":"https://openalex.org/C173608175","wikidata":"https://www.wikidata.org/wiki/Q232661","display_name":"Parallel computing","level":1,"score":0.5860817432403564},{"id":"https://openalex.org/C2778770139","wikidata":"https://www.wikidata.org/wiki/Q1966904","display_name":"Solver","level":2,"score":0.4313032329082489},{"id":"https://openalex.org/C459310","wikidata":"https://www.wikidata.org/wiki/Q117801","display_name":"Computational science","level":1,"score":0.4239717423915863},{"id":"https://openalex.org/C73000952","wikidata":"https://www.wikidata.org/wiki/Q17007827","display_name":"Discretization","level":2,"score":0.41878536343574524},{"id":"https://openalex.org/C83283714","wikidata":"https://www.wikidata.org/wiki/Q121117","display_name":"Supercomputer","level":2,"score":0.4156799614429474},{"id":"https://openalex.org/C126255220","wikidata":"https://www.wikidata.org/wiki/Q141495","display_name":"Mathematical optimization","level":1,"score":0.35776492953300476},{"id":"https://openalex.org/C93779851","wikidata":"https://www.wikidata.org/wiki/Q271977","display_name":"Partial differential equation","level":2,"score":0.25508934259414673},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.18070057034492493},{"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},{"id":"https://openalex.org/C2524010","wikidata":"https://www.wikidata.org/wiki/Q8087","display_name":"Geometry","level":1,"score":0.0},{"id":"https://openalex.org/C134306372","wikidata":"https://www.wikidata.org/wiki/Q7754","display_name":"Mathematical analysis","level":1,"score":0.0}],"mesh":[],"locations_count":5,"locations":[{"id":"doi:10.1137/17m1146440","is_oa":false,"landing_page_url":"https://doi.org/10.1137/17m1146440","pdf_url":null,"source":{"id":"https://openalex.org/S165512578","display_name":"SIAM Journal on Scientific Computing","issn_l":"1064-8275","issn":["1064-8275","1095-7197"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310320508","host_organization_name":"Society for Industrial and Applied Mathematics","host_organization_lineage":["https://openalex.org/P4310320508"],"host_organization_lineage_names":["Society for Industrial and Applied Mathematics"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"SIAM Journal on Scientific Computing","raw_type":"journal-article"},{"id":"pmh:oai:arXiv.org:1803.02481","is_oa":true,"landing_page_url":"https://arxiv.org/abs/1803.02481","pdf_url":"https://arxiv.org/pdf/1803.02481","source":{"id":"https://openalex.org/S4306400194","display_name":"arXiv (Cornell University)","issn_l":"2331-8422","issn":["2331-8422"],"is_oa":true,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I205783295","host_organization_name":"Cornell University","host_organization_lineage":["https://openalex.org/I205783295"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"text"},{"id":"mag:2790751436","is_oa":true,"landing_page_url":"https://arxiv.org/pdf/1803.02481.pdf","pdf_url":null,"source":{"id":"https://openalex.org/S4306400194","display_name":"arXiv (Cornell University)","issn_l":"2331-8422","issn":["2331-8422"],"is_oa":true,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I205783295","host_organization_name":"Cornell University","host_organization_lineage":["https://openalex.org/I205783295"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"arXiv (Cornell University)","raw_type":null},{"id":"pmh:oai:osti.gov:1463543","is_oa":true,"landing_page_url":"https://www.osti.gov/biblio/1463543","pdf_url":null,"source":{"id":"https://openalex.org/S4306402487","display_name":"OSTI OAI (U.S. Department of Energy Office of Scientific and Technical Information)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I139351228","host_organization_name":"Office of Scientific and Technical Information","host_organization_lineage":["https://openalex.org/I139351228"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":null},{"id":"doi:10.48550/arxiv.1803.02481","is_oa":true,"landing_page_url":"https://doi.org/10.48550/arxiv.1803.02481","pdf_url":null,"source":{"id":"https://openalex.org/S4306400194","display_name":"arXiv (Cornell University)","issn_l":"2331-8422","issn":["2331-8422"],"is_oa":true,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I205783295","host_organization_name":"Cornell University","host_organization_lineage":["https://openalex.org/I205783295"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":null,"is_accepted":false,"is_published":null,"raw_source_name":null,"raw_type":"Preprint"}],"best_oa_location":{"id":"pmh:oai:arXiv.org:1803.02481","is_oa":true,"landing_page_url":"https://arxiv.org/abs/1803.02481","pdf_url":"https://arxiv.org/pdf/1803.02481","source":{"id":"https://openalex.org/S4306400194","display_name":"arXiv (Cornell University)","issn_l":"2331-8422","issn":["2331-8422"],"is_oa":true,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I205783295","host_organization_name":"Cornell University","host_organization_lineage":["https://openalex.org/I205783295"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"text"},"sustainable_development_goals":[],"awards":[{"id":"https://openalex.org/G1092154682","display_name":null,"funder_award_id":"ACI-1238993","funder_id":"https://openalex.org/F4320312143","funder_display_name":"National Centre for Supercomputing Applications"},{"id":"https://openalex.org/G121915436","display_name":null,"funder_award_id":"DEAC05- 00OR22725","funder_id":"https://openalex.org/F4320332359","funder_display_name":"Office of Science"},{"id":"https://openalex.org/G1326603436","display_name":null,"funder_award_id":"DE-NA0002374","funder_id":"https://openalex.org/F4320306076","funder_display_name":"National Science Foundation"},{"id":"https://openalex.org/G1448048428","display_name":"Leadership Class Scientific and Engineering Computing: Breaking Through the Limits","funder_award_id":"0725070","funder_id":"https://openalex.org/F4320306076","funder_display_name":"National Science Foundation"},{"id":"https://openalex.org/G1645119126","display_name":null,"funder_award_id":"AC05-00OR22725","funder_id":"https://openalex.org/F4320306084","funder_display_name":"U.S. Department of Energy"},{"id":"https://openalex.org/G203625172","display_name":null,"funder_award_id":"DE--AC05--00OR22725","funder_id":"https://openalex.org/F4320306084","funder_display_name":"U.S. Department of Energy"},{"id":"https://openalex.org/G2411683797","display_name":null,"funder_award_id":"DEAC05- 00OR22725","funder_id":"https://openalex.org/F4320306076","funder_display_name":"National Science Foundation"},{"id":"https://openalex.org/G2415155667","display_name":null,"funder_award_id":"OCI-0725070","funder_id":"https://openalex.org/F4320332359","funder_display_name":"Office of Science"},{"id":"https://openalex.org/G277867621","display_name":null,"funder_award_id":"DE\u2010NA0002374","funder_id":"https://openalex.org/F4320332369","funder_display_name":"National Nuclear Security Administration"},{"id":"https://openalex.org/G286898171","display_name":null,"funder_award_id":"DE-AC52-06NA2-5396","funder_id":"https://openalex.org/F4320306084","funder_display_name":"U.S. Department of Energy"},{"id":"https://openalex.org/G2952167421","display_name":null,"funder_award_id":"(OCI 07\u201025070)","funder_id":"https://openalex.org/F4320306076","funder_display_name":"National Science Foundation"},{"id":"https://openalex.org/G2988778103","display_name":null,"funder_award_id":"DE-AC05?","funder_id":"https://openalex.org/F4320306084","funder_display_name":"U.S. Department of Energy"},{"id":"https://openalex.org/G310521049","display_name":null,"funder_award_id":"DEAC52- 06NA25396","funder_id":"https://openalex.org/F4320332369","funder_display_name":"National Nuclear Security Administration"},{"id":"https://openalex.org/G3700687868","display_name":null,"funder_award_id":"AC52-06NA25396","funder_id":"https://openalex.org/F4320338304","funder_display_name":"Los Alamos National Laboratory"},{"id":"https://openalex.org/G4810716312","display_name":null,"funder_award_id":"OCI-0725070","funder_id":"https://openalex.org/F4320306084","funder_display_name":"U.S. Department of Energy"},{"id":"https://openalex.org/G4911334988","display_name":"Sustained-Petascale In Action: Blue Waters Enabling Transformative Science And Engineering","funder_award_id":"1238993","funder_id":"https://openalex.org/F4320306076","funder_display_name":"National Science Foundation"},{"id":"https://openalex.org/G5083158263","display_name":null,"funder_award_id":"DE-AC52-06NA25396","funder_id":"https://openalex.org/F4320306076","funder_display_name":"National Science Foundation"},{"id":"https://openalex.org/G5127309730","display_name":null,"funder_award_id":"ACI-1238993","funder_id":"https://openalex.org/F4320306084","funder_display_name":"U.S. Department of Energy"},{"id":"https://openalex.org/G5367696895","display_name":null,"funder_award_id":"OCI-0725070","funder_id":"https://openalex.org/F4320332222","funder_display_name":"University of Illinois at Urbana-Champaign"},{"id":"https://openalex.org/G5606180237","display_name":null,"funder_award_id":"0725070","funder_id":"https://openalex.org/F4320306084","funder_display_name":"U.S. Department of Energy"},{"id":"https://openalex.org/G5657628048","display_name":null,"funder_award_id":"AC52-06NA25396","funder_id":"https://openalex.org/F4320306084","funder_display_name":"U.S. Department of Energy"},{"id":"https://openalex.org/G5737679380","display_name":null,"funder_award_id":"OCI-0725070","funder_id":"https://openalex.org/F4320312143","funder_display_name":"National Centre for Supercomputing Applications"},{"id":"https://openalex.org/G5840121450","display_name":null,"funder_award_id":"DE-AC05-00OR22725","funder_id":"https://openalex.org/F4320338304","funder_display_name":"Los Alamos National Laboratory"},{"id":"https://openalex.org/G617796963","display_name":"CENTER FOR EXASCALE SIMULATION OF PLASMA-COUPLED COMBUSTION MULTI-DISCIPLINARY SIMULATION CENTER (MSC)","funder_award_id":"DENA0002374","funder_id":"https://openalex.org/F4320306084","funder_display_name":"U.S. Department of Energy"},{"id":"https://openalex.org/G6457648290","display_name":null,"funder_award_id":"ACI-1238993","funder_id":"https://openalex.org/F4320332359","funder_display_name":"Office of Science"},{"id":"https://openalex.org/G69704028","display_name":null,"funder_award_id":"DE-AC52-06NA25396","funder_id":"https://openalex.org/F4320332359","funder_display_name":"Office of Science"},{"id":"https://openalex.org/G75892134","display_name":null,"funder_award_id":"DE-AC52-06NA25396","funder_id":"https://openalex.org/F4320338304","funder_display_name":"Los Alamos National Laboratory"},{"id":"https://openalex.org/G816254390","display_name":null,"funder_award_id":"#DE-AC05-00OR22725","funder_id":"https://openalex.org/F4320332369","funder_display_name":"National Nuclear Security Administration"},{"id":"https://openalex.org/G8269158468","display_name":null,"funder_award_id":"AC05-00OR22725","funder_id":"https://openalex.org/F4320332359","funder_display_name":"Office of Science"},{"id":"https://openalex.org/G8324313409","display_name":null,"funder_award_id":"ACI-1238993","funder_id":"https://openalex.org/F4320332222","funder_display_name":"University of Illinois at Urbana-Champaign"},{"id":"https://openalex.org/G8906985441","display_name":null,"funder_award_id":"00OR22725","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/F4320312143","display_name":"National Centre for Supercomputing Applications","ror":"https://ror.org/03r10zj06"},{"id":"https://openalex.org/F4320332222","display_name":"University of Illinois at Urbana-Champaign","ror":"https://ror.org/047426m28"},{"id":"https://openalex.org/F4320332359","display_name":"Office of Science","ror":"https://ror.org/00mmn6b08"},{"id":"https://openalex.org/F4320332369","display_name":"National Nuclear Security Administration","ror":"https://ror.org/03sk1we31"},{"id":"https://openalex.org/F4320338284","display_name":"Argonne National Laboratory","ror":"https://ror.org/05gvnxz63"},{"id":"https://openalex.org/F4320338304","display_name":"Los Alamos National Laboratory","ror":"https://ror.org/01e41cf67"}],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":17,"referenced_works":["https://openalex.org/W1526698283","https://openalex.org/W1964753390","https://openalex.org/W1969483458","https://openalex.org/W1974391080","https://openalex.org/W1998461805","https://openalex.org/W2022090406","https://openalex.org/W2032163384","https://openalex.org/W2033317806","https://openalex.org/W2078611566","https://openalex.org/W2081708354","https://openalex.org/W2102369828","https://openalex.org/W2131613942","https://openalex.org/W2157875412","https://openalex.org/W2172093368","https://openalex.org/W2330793397","https://openalex.org/W2962926460","https://openalex.org/W2963581136"],"related_works":["https://openalex.org/W1765408465","https://openalex.org/W2361839380","https://openalex.org/W1559624914","https://openalex.org/W2481709137","https://openalex.org/W2748414525","https://openalex.org/W3015660399","https://openalex.org/W2342130573","https://openalex.org/W2114138609","https://openalex.org/W185928002","https://openalex.org/W2477249138","https://openalex.org/W2950578902","https://openalex.org/W2133387739","https://openalex.org/W17377283","https://openalex.org/W2095269189","https://openalex.org/W2524221349","https://openalex.org/W2011664413","https://openalex.org/W2002747970","https://openalex.org/W2080139289","https://openalex.org/W1974122416","https://openalex.org/W2969180567"],"abstract_inverted_index":{"The":[0,24],"efficient":[1,39],"solution":[2],"of":[3,11,20,27,55,68,73,78,128,186,204],"sparse,":[4],"linear":[5],"systems":[6,48],"resulting":[7],"from":[8],"the":[9,18,52,70,85,92,108,125,137,181,190,201],"discretization":[10],"partial":[12],"differential":[13],"equations":[14],"is":[15,131,148,177,207],"crucial":[16],"to":[17,50,87,179,196,218],"performance":[19,161,185],"many":[21],"physics-based":[22],"simulations.":[23],"algorithmic":[25],"optimality":[26],"multilevel":[28,56,171],"approaches":[29],"for":[30,37,45,64,150,169],"common":[31],"discretizations":[32],"makes":[33],"them":[34],"good":[35],"candidates":[36],"an":[38,146],"parallel":[40,53,121,126,202],"solver.":[41],"Yet,":[42],"modern":[43,82],"architectures":[44,83],"high-performance":[46],"computing":[47,212],"continue":[49],"challenge":[51],"scalability":[54,127,203],"solvers.":[57,172],"While":[58],"algebraic":[59,122],"multigrid":[60,98,109,130],"methods":[61],"are":[62],"robust":[63,166],"solving":[65],"a":[66,159],"variety":[67],"problems,":[69],"increasing":[71],"importance":[72],"data":[74,79],"locality":[75],"and":[76,114],"cost":[77],"movement":[80],"in":[81,91,120,139,184],"motivates":[84],"need":[86],"carefully":[88],"exploit":[89],"structure":[90,106],"problem.":[93],"Robust":[94],"logically":[95],"structured":[96,129,170],"variational":[97],"methods,":[99],"such":[100],"as":[101],"black":[102],"box":[103],"multigrid,":[104],"maintain":[105],"throughout":[107],"hierarchy.":[110],"This":[111],"avoids":[112],"indirection":[113],"increased":[115],"coarse-grid":[116,134,152],"communication":[117,140],"costs":[118],"typical":[119],"multigrid.":[123],"Nevertheless,":[124],"challenged":[132],"by":[133,158],"problems":[135,153],"where":[136],"overhead":[138],"dominates":[141],"computation.":[142],"In":[143,199],"this":[144,163,187,205],"paper,":[145],"algorithm":[147,164,188],"introduced":[149],"redistributing":[151],"through":[154],"incremental":[155],"agglomeration.":[156],"Guided":[157],"predictive":[160],"model,":[162],"provides":[165],"redistribution":[167],"decisions":[168],"A":[173],"two-dimensional":[174],"diffusion":[175],"problem":[176],"used":[178,194],"demonstrate":[180],"significant":[182],"gain":[183],"over":[189],"previous":[191],"approach":[192,206],"that":[193],"agglomeration":[195],"one":[197],"processor.":[198],"addition,":[200],"demonstrated":[208],"on":[209,216],"two":[210],"large-scale":[211],"systems,":[213],"with":[214],"solves":[215],"up":[217],"500K+":[219],"cores.":[220]},"counts_by_year":[{"year":2019,"cited_by_count":1}],"updated_date":"2026-08-06T08:24:18.245995","created_date":"2025-10-10T00:00:00"}
