{"id":"https://openalex.org/W4415250811","doi":"https://doi.org/10.1109/hpec67600.2025.11196699","title":"Sustainably Modeling a Sustainable Future Climate","display_name":"Sustainably Modeling a Sustainable Future Climate","publication_year":2025,"publication_date":"2025-09-15","ids":{"openalex":"https://openalex.org/W4415250811","doi":"https://doi.org/10.1109/hpec67600.2025.11196699"},"language":"en","primary_location":{"id":"doi:10.1109/hpec67600.2025.11196699","is_oa":false,"landing_page_url":"https://doi.org/10.1109/hpec67600.2025.11196699","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2025 IEEE High Performance Extreme Computing Conference (HPEC)","raw_type":"proceedings-article"},"type":"article","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/A5013947843","display_name":"Rabab Alomairy","orcid":"https://orcid.org/0000-0001-9911-6094"},"institutions":[{"id":"https://openalex.org/I63966007","display_name":"Massachusetts Institute of Technology","ror":"https://ror.org/042nb2s44","country_code":"US","type":"education","lineage":["https://openalex.org/I63966007"]}],"countries":["US"],"is_corresponding":true,"raw_author_name":"Rabab Alomairy","raw_affiliation_strings":["Massachusetts Institute of Technology,Computer Science & Artificial Intelligence Laboratory,USA"],"affiliations":[{"raw_affiliation_string":"Massachusetts Institute of Technology,Computer Science & Artificial Intelligence Laboratory,USA","institution_ids":["https://openalex.org/I63966007"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5087040072","display_name":"Sameh Abdulah","orcid":"https://orcid.org/0000-0002-8850-5753"},"institutions":[{"id":"https://openalex.org/I71920554","display_name":"King Abdullah University of Science and Technology","ror":"https://ror.org/01q3tbs38","country_code":"SA","type":"education","lineage":["https://openalex.org/I71920554"]}],"countries":["SA"],"is_corresponding":false,"raw_author_name":"Sameh Abdulah","raw_affiliation_strings":["King Abdullah University of Science and Technology,Division of Computer, Electrical, and Mathematical Sciences and Engineering,KSA"],"affiliations":[{"raw_affiliation_string":"King Abdullah University of Science and Technology,Division of Computer, Electrical, and Mathematical Sciences and Engineering,KSA","institution_ids":["https://openalex.org/I71920554"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5031048186","display_name":"Qinglei Cao","orcid":"https://orcid.org/0000-0002-6690-194X"},"institutions":[{"id":"https://openalex.org/I47838141","display_name":"Saint Louis University","ror":"https://ror.org/01p7jjy08","country_code":"US","type":"education","lineage":["https://openalex.org/I47838141"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Qinglei Cao","raw_affiliation_strings":["Saint Louis University,Department of Computer Science,USA"],"affiliations":[{"raw_affiliation_string":"Saint Louis University,Department of Computer Science,USA","institution_ids":["https://openalex.org/I47838141"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5027166101","display_name":"Marc G. Genton","orcid":"https://orcid.org/0000-0001-6467-2998"},"institutions":[{"id":"https://openalex.org/I71920554","display_name":"King Abdullah University of Science and Technology","ror":"https://ror.org/01q3tbs38","country_code":"SA","type":"education","lineage":["https://openalex.org/I71920554"]}],"countries":["SA"],"is_corresponding":false,"raw_author_name":"Marc G. Genton","raw_affiliation_strings":["King Abdullah University of Science and Technology,Division of Computer, Electrical, and Mathematical Sciences and Engineering,KSA"],"affiliations":[{"raw_affiliation_string":"King Abdullah University of Science and Technology,Division of Computer, Electrical, and Mathematical Sciences and Engineering,KSA","institution_ids":["https://openalex.org/I71920554"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5021283893","display_name":"David E. Keyes","orcid":"https://orcid.org/0000-0002-4052-7224"},"institutions":[{"id":"https://openalex.org/I71920554","display_name":"King Abdullah University of Science and Technology","ror":"https://ror.org/01q3tbs38","country_code":"SA","type":"education","lineage":["https://openalex.org/I71920554"]}],"countries":["SA"],"is_corresponding":false,"raw_author_name":"David E. Keyes","raw_affiliation_strings":["King Abdullah University of Science and Technology,Division of Computer, Electrical, and Mathematical Sciences and Engineering,KSA"],"affiliations":[{"raw_affiliation_string":"King Abdullah University of Science and Technology,Division of Computer, Electrical, and Mathematical Sciences and Engineering,KSA","institution_ids":["https://openalex.org/I71920554"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5017526753","display_name":"Hatem Ltaief","orcid":"https://orcid.org/0000-0002-6897-1095"},"institutions":[{"id":"https://openalex.org/I71920554","display_name":"King Abdullah University of Science and Technology","ror":"https://ror.org/01q3tbs38","country_code":"SA","type":"education","lineage":["https://openalex.org/I71920554"]}],"countries":["SA"],"is_corresponding":false,"raw_author_name":"Hatem Ltaief","raw_affiliation_strings":["King Abdullah University of Science and Technology,Division of Computer, Electrical, and Mathematical Sciences and Engineering,KSA"],"affiliations":[{"raw_affiliation_string":"King Abdullah University of Science and Technology,Division of Computer, Electrical, and Mathematical Sciences and Engineering,KSA","institution_ids":["https://openalex.org/I71920554"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":6,"corresponding_author_ids":["https://openalex.org/A5013947843"],"corresponding_institution_ids":["https://openalex.org/I63966007"],"apc_list":null,"apc_paid":null,"fwci":0.0,"has_fulltext":false,"cited_by_count":0,"citation_normalized_percentile":{"value":0.39139481,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":null,"biblio":{"volume":null,"issue":null,"first_page":"1","last_page":"8"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10471","display_name":"Climate Change Policy and Economics","score":0.07400000095367432,"subfield":{"id":"https://openalex.org/subfields/2002","display_name":"Economics and Econometrics"},"field":{"id":"https://openalex.org/fields/20","display_name":"Economics, Econometrics and Finance"},"domain":{"id":"https://openalex.org/domains/2","display_name":"Social Sciences"}},"topics":[{"id":"https://openalex.org/T10471","display_name":"Climate Change Policy and Economics","score":0.07400000095367432,"subfield":{"id":"https://openalex.org/subfields/2002","display_name":"Economics and Econometrics"},"field":{"id":"https://openalex.org/fields/20","display_name":"Economics, Econometrics and Finance"},"domain":{"id":"https://openalex.org/domains/2","display_name":"Social Sciences"}},{"id":"https://openalex.org/T12639","display_name":"Global Energy and Sustainability Research","score":0.07000000029802322,"subfield":{"id":"https://openalex.org/subfields/2105","display_name":"Renewable Energy, Sustainability and the Environment"},"field":{"id":"https://openalex.org/fields/21","display_name":"Energy"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/bottleneck","display_name":"Bottleneck","score":0.722100019454956},{"id":"https://openalex.org/keywords/cholesky-decomposition","display_name":"Cholesky decomposition","score":0.6761000156402588},{"id":"https://openalex.org/keywords/sustainability","display_name":"Sustainability","score":0.6626999974250793},{"id":"https://openalex.org/keywords/supercomputer","display_name":"Supercomputer","score":0.5590999722480774},{"id":"https://openalex.org/keywords/work","display_name":"Work (physics)","score":0.5012000203132629},{"id":"https://openalex.org/keywords/climate-model","display_name":"Climate model","score":0.4708999991416931},{"id":"https://openalex.org/keywords/climate-change","display_name":"Climate change","score":0.41499999165534973},{"id":"https://openalex.org/keywords/kernel","display_name":"Kernel (algebra)","score":0.41029998660087585},{"id":"https://openalex.org/keywords/sustainable-development","display_name":"Sustainable development","score":0.40149998664855957}],"concepts":[{"id":"https://openalex.org/C2780513914","wikidata":"https://www.wikidata.org/wiki/Q18210350","display_name":"Bottleneck","level":2,"score":0.722100019454956},{"id":"https://openalex.org/C34727166","wikidata":"https://www.wikidata.org/wiki/Q515375","display_name":"Cholesky decomposition","level":3,"score":0.6761000156402588},{"id":"https://openalex.org/C66204764","wikidata":"https://www.wikidata.org/wiki/Q219416","display_name":"Sustainability","level":2,"score":0.6626999974250793},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.5996000170707703},{"id":"https://openalex.org/C83283714","wikidata":"https://www.wikidata.org/wiki/Q121117","display_name":"Supercomputer","level":2,"score":0.5590999722480774},{"id":"https://openalex.org/C18762648","wikidata":"https://www.wikidata.org/wiki/Q42213","display_name":"Work (physics)","level":2,"score":0.5012000203132629},{"id":"https://openalex.org/C168754636","wikidata":"https://www.wikidata.org/wiki/Q620920","display_name":"Climate model","level":3,"score":0.4708999991416931},{"id":"https://openalex.org/C132651083","wikidata":"https://www.wikidata.org/wiki/Q7942","display_name":"Climate change","level":2,"score":0.41499999165534973},{"id":"https://openalex.org/C74193536","wikidata":"https://www.wikidata.org/wiki/Q574844","display_name":"Kernel (algebra)","level":2,"score":0.41029998660087585},{"id":"https://openalex.org/C552854447","wikidata":"https://www.wikidata.org/wiki/Q131201","display_name":"Sustainable development","level":2,"score":0.40149998664855957},{"id":"https://openalex.org/C2742236","wikidata":"https://www.wikidata.org/wiki/Q924713","display_name":"Efficient energy use","level":2,"score":0.3630000054836273},{"id":"https://openalex.org/C178650346","wikidata":"https://www.wikidata.org/wiki/Q201984","display_name":"Covariance","level":2,"score":0.3521000146865845},{"id":"https://openalex.org/C47737302","wikidata":"https://www.wikidata.org/wiki/Q167336","display_name":"Greenhouse gas","level":2,"score":0.34940001368522644},{"id":"https://openalex.org/C2780331096","wikidata":"https://www.wikidata.org/wiki/Q24965464","display_name":"Energy modeling","level":3,"score":0.3467000126838684},{"id":"https://openalex.org/C2982926626","wikidata":"https://www.wikidata.org/wiki/Q1962383","display_name":"Sustainable energy","level":3,"score":0.33719998598098755},{"id":"https://openalex.org/C187834632","wikidata":"https://www.wikidata.org/wiki/Q188804","display_name":"Factorization","level":2,"score":0.33169999718666077},{"id":"https://openalex.org/C185142706","wikidata":"https://www.wikidata.org/wiki/Q1134404","display_name":"Covariance matrix","level":2,"score":0.33009999990463257},{"id":"https://openalex.org/C459310","wikidata":"https://www.wikidata.org/wiki/Q117801","display_name":"Computational science","level":1,"score":0.3091000020503998},{"id":"https://openalex.org/C114289077","wikidata":"https://www.wikidata.org/wiki/Q3284399","display_name":"Statistical model","level":2,"score":0.29820001125335693},{"id":"https://openalex.org/C20908052","wikidata":"https://www.wikidata.org/wiki/Q442321","display_name":"Sustainability science","level":4,"score":0.29589998722076416},{"id":"https://openalex.org/C113775141","wikidata":"https://www.wikidata.org/wiki/Q428691","display_name":"Computer engineering","level":1,"score":0.28839999437332153},{"id":"https://openalex.org/C67186912","wikidata":"https://www.wikidata.org/wiki/Q367664","display_name":"Data modeling","level":2,"score":0.2840999960899353},{"id":"https://openalex.org/C122770356","wikidata":"https://www.wikidata.org/wiki/Q1656753","display_name":"Identifiability","level":2,"score":0.2824999988079071},{"id":"https://openalex.org/C75684735","wikidata":"https://www.wikidata.org/wiki/Q858810","display_name":"Big data","level":2,"score":0.27799999713897705},{"id":"https://openalex.org/C2522767166","wikidata":"https://www.wikidata.org/wiki/Q2374463","display_name":"Data science","level":1,"score":0.27149999141693115},{"id":"https://openalex.org/C3020792175","wikidata":"https://www.wikidata.org/wiki/Q174666","display_name":"Multi platform","level":2,"score":0.2680000066757202},{"id":"https://openalex.org/C111335779","wikidata":"https://www.wikidata.org/wiki/Q3454686","display_name":"Reduction (mathematics)","level":2,"score":0.26759999990463257},{"id":"https://openalex.org/C134560507","wikidata":"https://www.wikidata.org/wiki/Q753291","display_name":"Environmental economics","level":1,"score":0.2644999921321869},{"id":"https://openalex.org/C2984074130","wikidata":"https://www.wikidata.org/wiki/Q73539779","display_name":"R package","level":2,"score":0.26429998874664307},{"id":"https://openalex.org/C96250715","wikidata":"https://www.wikidata.org/wiki/Q965330","display_name":"Estimation","level":2,"score":0.2549999952316284}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/hpec67600.2025.11196699","is_oa":false,"landing_page_url":"https://doi.org/10.1109/hpec67600.2025.11196699","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2025 IEEE High Performance Extreme Computing Conference (HPEC)","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":17,"referenced_works":["https://openalex.org/W2087440962","https://openalex.org/W2160774872","https://openalex.org/W2612290557","https://openalex.org/W2744399788","https://openalex.org/W2889522259","https://openalex.org/W2998777207","https://openalex.org/W3035137910","https://openalex.org/W3208078891","https://openalex.org/W4221054631","https://openalex.org/W4239514724","https://openalex.org/W4281657881","https://openalex.org/W4285100127","https://openalex.org/W4321636543","https://openalex.org/W4403510987","https://openalex.org/W4405754839","https://openalex.org/W4405755978","https://openalex.org/W4409133358"],"related_works":[],"abstract_inverted_index":{"Voluminous":[0],"highly":[1],"resolved":[2],"climate":[3,162],"data":[4,163],"requires":[5],"high-performance":[6,56],"statistical":[7],"modeling":[8,21,58],"frameworks":[9],"that":[10,113],"are":[11],"both":[12],"accurate":[13,146],"and":[14,71,104,118,130],"sustainable":[15],"on":[16,31,79,149],"modern":[17],"supercomputing":[18],"platforms.":[19],"Spatio-temporal":[20],"methods,":[22],"such":[23],"as":[24],"Maximum":[25],"Likelihood":[26],"Estimation":[27],"(MLE),":[28],"primarily":[29],"rely":[30],"performing":[32],"a":[33,43,55,154],"dense":[34],"Cholesky":[35],"factorization":[36],"of":[37,53,144,161],"large":[38],"covariance":[39],"matrices,":[40],"which":[41],"becomes":[42],"significant":[44],"bottleneck":[45],"at":[46],"scale.":[47],"We":[48,111],"present":[49],"an":[50,81],"enhanced":[51],"version":[52],"ExaGeoStat,":[54],"geostatistical":[57],"framework,":[59],"designed":[60],"to":[61,89,124],"address":[62],"this":[63],"challenge":[64],"through":[65],"tile-based":[66],"matrix":[67],"compression,":[68],"mixed-precision":[69],"arithmetic,":[70],"architecture-aware":[72],"scheduling.":[73],"Building":[74],"upon":[75],"our":[76,87],"previous":[77],"work":[78,140],"Fugaku,":[80],"Arm":[82],"A64FX":[83],"system,":[84],"we":[85],"extend":[86],"results":[88],"three":[90],"supercomputers":[91],"featuring":[92],"diverse":[93],"hardware":[94,152],"architectures:":[95],"Frontier":[96],"(AMD":[97,107],"MI250X":[98],"GPUs),":[99,103],"Alps":[100],"(NVIDIA":[101],"GH200":[102],"Shaheen":[105],"III":[106],"EPYC":[108],"Genoa":[109],"CPUs).":[110],"demonstrate":[112],"adaptive":[114],"algorithms":[115],"targeting":[116],"low-rank":[117],"low-precision":[119],"opportunities":[120],"can":[121],"deliver":[122],"up":[123],"4\u00d7":[125],"speedup,":[126],"2\u00d7":[127],"memory":[128],"savings,":[129],"over":[131],"70%":[132],"energy":[133],"reduction":[134],"while":[135],"maintaining":[136],"application-acceptable":[137],"accuracy.":[138],"Our":[139],"demonstrates":[141],"the":[142,159],"feasibility":[143],"running":[145],"climate-emulation":[147],"workloads":[148],"next-generation":[150],"AI":[151],"in":[153],"power-efficient":[155],"manner,":[156],"thereby":[157],"advancing":[158],"sustainability":[160],"science":[164],"itself.":[165]},"counts_by_year":[],"updated_date":"2026-03-07T16:01:11.037858","created_date":"2025-10-16T00:00:00"}