{"id":"https://openalex.org/W2109255166","doi":"https://doi.org/10.1109/tcad.2011.2177457","title":"OSCAR: An Optimization Methodology Exploiting Spatial Correlation in Multicore Design Spaces","display_name":"OSCAR: An Optimization Methodology Exploiting Spatial Correlation in Multicore Design Spaces","publication_year":2012,"publication_date":"2012-04-20","ids":{"openalex":"https://openalex.org/W2109255166","doi":"https://doi.org/10.1109/tcad.2011.2177457","mag":"2109255166"},"language":"en","primary_location":{"id":"doi:10.1109/tcad.2011.2177457","is_oa":false,"landing_page_url":"https://doi.org/10.1109/tcad.2011.2177457","pdf_url":null,"source":{"id":"https://openalex.org/S100835903","display_name":"IEEE Transactions on Computer-Aided Design of Integrated Circuits and Systems","issn_l":"0278-0070","issn":["0278-0070","1937-4151"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310319808","host_organization_name":"Institute of Electrical and Electronics Engineers","host_organization_lineage":["https://openalex.org/P4310319808"],"host_organization_lineage_names":["Institute of Electrical and Electronics Engineers"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEEE Transactions on Computer-Aided Design of Integrated Circuits and Systems","raw_type":"journal-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/A5075709004","display_name":"Giovanni Mariani","orcid":"https://orcid.org/0000-0001-7611-5187"},"institutions":[{"id":"https://openalex.org/I57201433","display_name":"Universit\u00e0 della Svizzera italiana","ror":"https://ror.org/03c4atk17","country_code":"CH","type":"education","lineage":["https://openalex.org/I57201433"]}],"countries":["CH"],"is_corresponding":true,"raw_author_name":"G. Mariani","raw_affiliation_strings":["Advanced Learning and Research Institute, University of Lugano, Lugano, Switzerland","Adv. Learning & Res. Inst., Univ. of Lugano, Lugano, Switzerland"],"affiliations":[{"raw_affiliation_string":"Advanced Learning and Research Institute, University of Lugano, Lugano, Switzerland","institution_ids":["https://openalex.org/I57201433"]},{"raw_affiliation_string":"Adv. Learning & Res. Inst., Univ. of Lugano, Lugano, Switzerland","institution_ids":["https://openalex.org/I57201433"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5077005193","display_name":"Gianluca Palermo","orcid":"https://orcid.org/0000-0001-7955-8012"},"institutions":[{"id":"https://openalex.org/I93860229","display_name":"Politecnico di Milano","ror":"https://ror.org/01nffqt88","country_code":"IT","type":"education","lineage":["https://openalex.org/I93860229"]}],"countries":["IT"],"is_corresponding":false,"raw_author_name":"G. Palermo","raw_affiliation_strings":["Department of Electronics and Information Technology, Politecnico di Milano, Milan, Italy","Dept. of Electron. & Inf. Technol., Politec. di Milano, Milan, Italy"],"affiliations":[{"raw_affiliation_string":"Department of Electronics and Information Technology, Politecnico di Milano, Milan, Italy","institution_ids":["https://openalex.org/I93860229"]},{"raw_affiliation_string":"Dept. of Electron. & Inf. Technol., Politec. di Milano, Milan, Italy","institution_ids":["https://openalex.org/I93860229"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5086350616","display_name":"Vittorio Zaccaria","orcid":"https://orcid.org/0000-0001-5685-9795"},"institutions":[{"id":"https://openalex.org/I93860229","display_name":"Politecnico di Milano","ror":"https://ror.org/01nffqt88","country_code":"IT","type":"education","lineage":["https://openalex.org/I93860229"]}],"countries":["IT"],"is_corresponding":false,"raw_author_name":"V. Zaccaria","raw_affiliation_strings":["Department of Electronics and Information Technology, Politecnico di Milano, Milan, Italy","Dept. of Electron. & Inf. Technol., Politec. di Milano, Milan, Italy"],"affiliations":[{"raw_affiliation_string":"Department of Electronics and Information Technology, Politecnico di Milano, Milan, Italy","institution_ids":["https://openalex.org/I93860229"]},{"raw_affiliation_string":"Dept. of Electron. & Inf. Technol., Politec. di Milano, Milan, Italy","institution_ids":["https://openalex.org/I93860229"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5031461662","display_name":"Cristina Silvano","orcid":"https://orcid.org/0000-0003-1668-0883"},"institutions":[{"id":"https://openalex.org/I93860229","display_name":"Politecnico di Milano","ror":"https://ror.org/01nffqt88","country_code":"IT","type":"education","lineage":["https://openalex.org/I93860229"]}],"countries":["IT"],"is_corresponding":false,"raw_author_name":"C. Silvano","raw_affiliation_strings":["Department of Electronics and Information Technology, Politecnico di Milano, Milan, Italy","Dept. of Electron. & Inf. Technol., Politec. di Milano, Milan, Italy"],"affiliations":[{"raw_affiliation_string":"Department of Electronics and Information Technology, Politecnico di Milano, Milan, Italy","institution_ids":["https://openalex.org/I93860229"]},{"raw_affiliation_string":"Dept. of Electron. & Inf. Technol., Politec. di Milano, Milan, Italy","institution_ids":["https://openalex.org/I93860229"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":4,"corresponding_author_ids":["https://openalex.org/A5075709004"],"corresponding_institution_ids":["https://openalex.org/I57201433"],"apc_list":null,"apc_paid":null,"fwci":3.3696,"has_fulltext":false,"cited_by_count":35,"citation_normalized_percentile":{"value":0.92695087,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":90,"max":98},"biblio":{"volume":"31","issue":"5","first_page":"740","last_page":"753"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10848","display_name":"Advanced Multi-Objective Optimization Algorithms","score":0.9990000128746033,"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/T10848","display_name":"Advanced Multi-Objective Optimization Algorithms","score":0.9990000128746033,"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/T10672","display_name":"Design Education and Practice","score":0.9965000152587891,"subfield":{"id":"https://openalex.org/subfields/2210","display_name":"Mechanical Engineering"},"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/T11006","display_name":"BIM and Construction Integration","score":0.9951000213623047,"subfield":{"id":"https://openalex.org/subfields/2215","display_name":"Building and Construction"},"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/sorting","display_name":"Sorting","score":0.7664856910705566},{"id":"https://openalex.org/keywords/heuristic","display_name":"Heuristic","score":0.653106153011322},{"id":"https://openalex.org/keywords/mathematical-optimization","display_name":"Mathematical optimization","score":0.6453331708908081},{"id":"https://openalex.org/keywords/multi-objective-optimization","display_name":"Multi-objective optimization","score":0.6419376134872437},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.5757133364677429},{"id":"https://openalex.org/keywords/response-surface-methodology","display_name":"Response surface methodology","score":0.5753268003463745},{"id":"https://openalex.org/keywords/pareto-principle","display_name":"Pareto principle","score":0.5620293021202087},{"id":"https://openalex.org/keywords/set","display_name":"Set (abstract data type)","score":0.5616783499717712},{"id":"https://openalex.org/keywords/genetic-algorithm","display_name":"Genetic algorithm","score":0.429801881313324},{"id":"https://openalex.org/keywords/design-space-exploration","display_name":"Design space exploration","score":0.4175340235233307},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.39414310455322266},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.3255683183670044},{"id":"https://openalex.org/keywords/machine-learning","display_name":"Machine learning","score":0.16555452346801758}],"concepts":[{"id":"https://openalex.org/C111696304","wikidata":"https://www.wikidata.org/wiki/Q2303697","display_name":"Sorting","level":2,"score":0.7664856910705566},{"id":"https://openalex.org/C173801870","wikidata":"https://www.wikidata.org/wiki/Q201413","display_name":"Heuristic","level":2,"score":0.653106153011322},{"id":"https://openalex.org/C126255220","wikidata":"https://www.wikidata.org/wiki/Q141495","display_name":"Mathematical optimization","level":1,"score":0.6453331708908081},{"id":"https://openalex.org/C68781425","wikidata":"https://www.wikidata.org/wiki/Q2052203","display_name":"Multi-objective optimization","level":2,"score":0.6419376134872437},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.5757133364677429},{"id":"https://openalex.org/C150077022","wikidata":"https://www.wikidata.org/wiki/Q3136137","display_name":"Response surface methodology","level":2,"score":0.5753268003463745},{"id":"https://openalex.org/C137635306","wikidata":"https://www.wikidata.org/wiki/Q182667","display_name":"Pareto principle","level":2,"score":0.5620293021202087},{"id":"https://openalex.org/C177264268","wikidata":"https://www.wikidata.org/wiki/Q1514741","display_name":"Set (abstract data type)","level":2,"score":0.5616783499717712},{"id":"https://openalex.org/C8880873","wikidata":"https://www.wikidata.org/wiki/Q187787","display_name":"Genetic algorithm","level":2,"score":0.429801881313324},{"id":"https://openalex.org/C2776221188","wikidata":"https://www.wikidata.org/wiki/Q21072556","display_name":"Design space exploration","level":2,"score":0.4175340235233307},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.39414310455322266},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.3255683183670044},{"id":"https://openalex.org/C119857082","wikidata":"https://www.wikidata.org/wiki/Q2539","display_name":"Machine learning","level":1,"score":0.16555452346801758},{"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/C149635348","wikidata":"https://www.wikidata.org/wiki/Q193040","display_name":"Embedded system","level":1,"score":0.0}],"mesh":[],"locations_count":2,"locations":[{"id":"doi:10.1109/tcad.2011.2177457","is_oa":false,"landing_page_url":"https://doi.org/10.1109/tcad.2011.2177457","pdf_url":null,"source":{"id":"https://openalex.org/S100835903","display_name":"IEEE Transactions on Computer-Aided Design of Integrated Circuits and Systems","issn_l":"0278-0070","issn":["0278-0070","1937-4151"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310319808","host_organization_name":"Institute of Electrical and Electronics Engineers","host_organization_lineage":["https://openalex.org/P4310319808"],"host_organization_lineage_names":["Institute of Electrical and Electronics Engineers"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEEE Transactions on Computer-Aided Design of Integrated Circuits and Systems","raw_type":"journal-article"},{"id":"pmh:oai:re.public.polimi.it:11311/663563","is_oa":false,"landing_page_url":"http://ieeexplore.ieee.org/xpl/articleDetails.jsp?arnumber=6186864","pdf_url":null,"source":{"id":"https://openalex.org/S4306400312","display_name":"Virtual Community of Pathological Anatomy (University of Castilla La Mancha)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I79189158","host_organization_name":"University of Castilla-La Mancha","host_organization_lineage":["https://openalex.org/I79189158"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"","raw_type":"info:eu-repo/semantics/article"}],"best_oa_location":null,"sustainable_development_goals":[{"display_name":"Affordable and clean energy","id":"https://metadata.un.org/sdg/7","score":0.6000000238418579}],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":45,"referenced_works":["https://openalex.org/W603008773","https://openalex.org/W1506962395","https://openalex.org/W1510052597","https://openalex.org/W1540027087","https://openalex.org/W1587435968","https://openalex.org/W1846834309","https://openalex.org/W1964978749","https://openalex.org/W1984288647","https://openalex.org/W2018044188","https://openalex.org/W2036581340","https://openalex.org/W2076647894","https://openalex.org/W2085830763","https://openalex.org/W2096858484","https://openalex.org/W2104073053","https://openalex.org/W2111526171","https://openalex.org/W2115180662","https://openalex.org/W2120368896","https://openalex.org/W2120429086","https://openalex.org/W2126105956","https://openalex.org/W2132219981","https://openalex.org/W2136918060","https://openalex.org/W2145021036","https://openalex.org/W2145180784","https://openalex.org/W2145620921","https://openalex.org/W2147770312","https://openalex.org/W2151415616","https://openalex.org/W2151676061","https://openalex.org/W2153308922","https://openalex.org/W2156359950","https://openalex.org/W2157070686","https://openalex.org/W2158034620","https://openalex.org/W2163479900","https://openalex.org/W2167102679","https://openalex.org/W2168361773","https://openalex.org/W2171117168","https://openalex.org/W4238549726","https://openalex.org/W4244372507","https://openalex.org/W4246125513","https://openalex.org/W4249753629","https://openalex.org/W4255432895","https://openalex.org/W4292872700","https://openalex.org/W6635062765","https://openalex.org/W6675432234","https://openalex.org/W6682878659","https://openalex.org/W6684525106"],"related_works":["https://openalex.org/W1994686097","https://openalex.org/W2090178682","https://openalex.org/W2028934378","https://openalex.org/W2001591765","https://openalex.org/W4241467429","https://openalex.org/W2073147994","https://openalex.org/W1588199609","https://openalex.org/W2384474142","https://openalex.org/W3083133203","https://openalex.org/W1550055091"],"abstract_inverted_index":{"This":[0,14,62],"paper":[1,15],"presents":[2],"OSCAR,":[3],"an":[4,192,215],"optimization":[5,95],"methodology":[6],"exploiting":[7],"spatial":[8],"correlation":[9,41],"of":[10,26,58,80,126,148,184,194,198,209,217,226,256],"multicore":[11],"design":[12,29,60,68,107,147,210],"spaces.":[13],"builds":[16],"upon":[17],"the":[18,40,56,67,77,81,102,106,110,119,124,132,137,207,232,254],"observation":[19],"that":[20,154,243],"power":[21],"consumption":[22],"and":[23,100,145,172,202],"performance":[24],"metrics":[25],"spatially":[27],"close":[28],"configurations":[30],"(or":[31],"points)":[32],"are":[33],"statistically":[34],"correlated.":[35],"We":[36,135],"propose":[37],"to":[38,73,76,104,117,162,186,214,231],"exploit":[39],"by":[42,122,251],"using":[43],"a":[44,50,93,157,181,188],"response":[45],"surface":[46],"model":[47,63],"(RSM),":[48],"i.e.,":[49,191],"closed-form":[51],"expression":[52],"suitable":[53],"for":[54],"predicting":[55],"quality":[57],"nonsimulated":[59],"points.":[61],"is":[64,156,212],"useful":[65],"during":[66],"space":[69],"exploration":[70,133],"(DSE)":[71],"phase":[72],"quickly":[74],"converge":[75],"Pareto":[78,120,168],"set":[79,121],"multiobjective":[82,94],"problem":[83],"without":[84],"executing":[85],"lengthy":[86],"simulations.":[87],"To":[88],"this":[89],"end,":[90],"we":[91],"introduce":[92],"heuristic":[96,139,159],"which":[97],"iteratively":[98],"updates":[99],"queries":[101],"RSM":[103,115],"identify":[105],"points":[108,211],"with":[109,140,160,229],"highest":[111],"expected":[112],"improvement.":[113],"The":[114],"allows":[116],"consolidate":[118],"reducing":[123],"number":[125,183,208,255],"simulations":[127,185,196,200,204],"required,":[128],"thus":[129],"speeding":[130],"up":[131],"process.":[134],"compare":[136],"proposed":[138],"state-of-the-art":[141,163],"approaches":[142,250],"[conventional,":[143],"RSM-based,":[144],"structured":[146,248],"experiments":[149],"(DoEs)].":[150],"Experimental":[151],"results":[152,240],"show":[153,242],"OSCAR":[155,179,219,244],"faster":[158],"respect":[161,230],"techniques":[164],"such":[165],"as":[166],"response-surface":[167],"iterative":[169],"refinement":[170],"ReSPIR":[171],"nondominated-sorting":[173],"genetic":[174],"algorithm":[175],"NSGA-II.":[176],"In":[177],"fact,":[178],"used":[180],"lower":[182],"produce":[187],"similar":[189],"solution,":[190],"average":[193,216,227],"150":[195],"instead":[197],"320":[199],"(NSGA-II)":[201],"178":[203],"(ReSPIR).":[205],"When":[206],"fixed":[213],"300,":[218],"achieves":[220,237],"less":[221],"than":[222],"0.6%":[223],"in":[224],"terms":[225],"distance":[228],"reference":[233],"solution":[234],"while":[235],"NSGA-II":[236],"3.4%.":[238],"Reported":[239],"also":[241],"can":[245],"significantly":[246],"improve":[247],"DoE":[249],"slightly":[252],"increasing":[253],"experiments.":[257]},"counts_by_year":[{"year":2025,"cited_by_count":1},{"year":2024,"cited_by_count":1},{"year":2023,"cited_by_count":2},{"year":2022,"cited_by_count":2},{"year":2021,"cited_by_count":2},{"year":2020,"cited_by_count":2},{"year":2019,"cited_by_count":3},{"year":2018,"cited_by_count":4},{"year":2017,"cited_by_count":5},{"year":2016,"cited_by_count":3},{"year":2015,"cited_by_count":3},{"year":2014,"cited_by_count":3},{"year":2013,"cited_by_count":4}],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}