{"id":"https://openalex.org/W2167213696","doi":"https://doi.org/10.1109/igcc.2011.6008610","title":"TAPO: Thermal-aware power optimization techniques for servers and data centers","display_name":"TAPO: Thermal-aware power optimization techniques for servers and data centers","publication_year":2011,"publication_date":"2011-07-01","ids":{"openalex":"https://openalex.org/W2167213696","doi":"https://doi.org/10.1109/igcc.2011.6008610","mag":"2167213696"},"language":"en","primary_location":{"id":"doi:10.1109/igcc.2011.6008610","is_oa":false,"landing_page_url":"https://doi.org/10.1109/igcc.2011.6008610","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2011 International Green Computing Conference and Workshops","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/A5089316908","display_name":"Huang Wei","orcid":"https://orcid.org/0000-0001-8622-4117"},"institutions":[{"id":"https://openalex.org/I4210156936","display_name":"IBM Research - Austin","ror":"https://ror.org/05gjbbg60","country_code":"US","type":"facility","lineage":["https://openalex.org/I1341412227","https://openalex.org/I4210114115","https://openalex.org/I4210156936"]}],"countries":["US"],"is_corresponding":true,"raw_author_name":"Wei Huang","raw_affiliation_strings":["IBM Research Austin, Austin, USA"],"affiliations":[{"raw_affiliation_string":"IBM Research Austin, Austin, USA","institution_ids":["https://openalex.org/I4210156936"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5052834633","display_name":"Malcolm Allen-Ware","orcid":null},"institutions":[{"id":"https://openalex.org/I4210156936","display_name":"IBM Research - Austin","ror":"https://ror.org/05gjbbg60","country_code":"US","type":"facility","lineage":["https://openalex.org/I1341412227","https://openalex.org/I4210114115","https://openalex.org/I4210156936"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Malcolm Allen-Ware","raw_affiliation_strings":["IBM Research Austin, Austin, USA"],"affiliations":[{"raw_affiliation_string":"IBM Research Austin, Austin, USA","institution_ids":["https://openalex.org/I4210156936"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5007283828","display_name":"John B. Carter","orcid":"https://orcid.org/0000-0002-1395-0254"},"institutions":[{"id":"https://openalex.org/I4210156936","display_name":"IBM Research - Austin","ror":"https://ror.org/05gjbbg60","country_code":"US","type":"facility","lineage":["https://openalex.org/I1341412227","https://openalex.org/I4210114115","https://openalex.org/I4210156936"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"John B. Carter","raw_affiliation_strings":["IBM Research Austin, Austin, USA"],"affiliations":[{"raw_affiliation_string":"IBM Research Austin, Austin, USA","institution_ids":["https://openalex.org/I4210156936"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5035687730","display_name":"E. N. Mootaz Elnozahy","orcid":null},"institutions":[{"id":"https://openalex.org/I4210156936","display_name":"IBM Research - Austin","ror":"https://ror.org/05gjbbg60","country_code":"US","type":"facility","lineage":["https://openalex.org/I1341412227","https://openalex.org/I4210114115","https://openalex.org/I4210156936"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Elmootazbellah Elnozahy","raw_affiliation_strings":["IBM Research Austin, Austin, USA"],"affiliations":[{"raw_affiliation_string":"IBM Research Austin, Austin, USA","institution_ids":["https://openalex.org/I4210156936"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5048701479","display_name":"Hendrik F. Hamann","orcid":"https://orcid.org/0000-0001-9049-1330"},"institutions":[{"id":"https://openalex.org/I1341412227","display_name":"IBM (United States)","ror":"https://ror.org/05hh8d621","country_code":"US","type":"company","lineage":["https://openalex.org/I1341412227"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Hendrik Hamann","raw_affiliation_strings":["IBM Research-T. J. Watson, USA"],"affiliations":[{"raw_affiliation_string":"IBM Research-T. J. Watson, USA","institution_ids":["https://openalex.org/I1341412227"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5113829296","display_name":"Tom Keller","orcid":null},"institutions":[{"id":"https://openalex.org/I4210156936","display_name":"IBM Research - Austin","ror":"https://ror.org/05gjbbg60","country_code":"US","type":"facility","lineage":["https://openalex.org/I1341412227","https://openalex.org/I4210114115","https://openalex.org/I4210156936"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Tom Keller","raw_affiliation_strings":["IBM Research Austin, Austin, USA"],"affiliations":[{"raw_affiliation_string":"IBM Research Austin, Austin, USA","institution_ids":["https://openalex.org/I4210156936"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5011586197","display_name":"Charles Lefurgy","orcid":null},"institutions":[{"id":"https://openalex.org/I4210156936","display_name":"IBM Research - Austin","ror":"https://ror.org/05gjbbg60","country_code":"US","type":"facility","lineage":["https://openalex.org/I1341412227","https://openalex.org/I4210114115","https://openalex.org/I4210156936"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Charles Lefurgy","raw_affiliation_strings":["IBM Research Austin, Austin, USA"],"affiliations":[{"raw_affiliation_string":"IBM Research Austin, Austin, USA","institution_ids":["https://openalex.org/I4210156936"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5100402571","display_name":"Jian Li","orcid":"https://orcid.org/0000-0003-0894-0892"},"institutions":[{"id":"https://openalex.org/I4210156936","display_name":"IBM Research - Austin","ror":"https://ror.org/05gjbbg60","country_code":"US","type":"facility","lineage":["https://openalex.org/I1341412227","https://openalex.org/I4210114115","https://openalex.org/I4210156936"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Jian Li","raw_affiliation_strings":["IBM Research Austin, Austin, USA"],"affiliations":[{"raw_affiliation_string":"IBM Research Austin, Austin, USA","institution_ids":["https://openalex.org/I4210156936"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5062170033","display_name":"Karthick Rajamani","orcid":null},"institutions":[{"id":"https://openalex.org/I4210156936","display_name":"IBM Research - Austin","ror":"https://ror.org/05gjbbg60","country_code":"US","type":"facility","lineage":["https://openalex.org/I1341412227","https://openalex.org/I4210114115","https://openalex.org/I4210156936"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Karthick Rajamani","raw_affiliation_strings":["IBM Research Austin, Austin, USA"],"affiliations":[{"raw_affiliation_string":"IBM Research Austin, Austin, USA","institution_ids":["https://openalex.org/I4210156936"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5016734903","display_name":"Juan Rubio","orcid":"https://orcid.org/0000-0002-9748-0332"},"institutions":[{"id":"https://openalex.org/I4210156936","display_name":"IBM Research - Austin","ror":"https://ror.org/05gjbbg60","country_code":"US","type":"facility","lineage":["https://openalex.org/I1341412227","https://openalex.org/I4210114115","https://openalex.org/I4210156936"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Juan Rubio","raw_affiliation_strings":["IBM Research Austin, Austin, USA"],"affiliations":[{"raw_affiliation_string":"IBM Research Austin, Austin, USA","institution_ids":["https://openalex.org/I4210156936"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":10,"corresponding_author_ids":["https://openalex.org/A5089316908"],"corresponding_institution_ids":["https://openalex.org/I4210156936"],"apc_list":null,"apc_paid":null,"fwci":19.8755,"has_fulltext":false,"cited_by_count":72,"citation_normalized_percentile":{"value":0.99124013,"is_in_top_1_percent":true,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":90,"max":100},"biblio":{"volume":null,"issue":null,"first_page":null,"last_page":null},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10101","display_name":"Cloud Computing and Resource Management","score":0.9998000264167786,"subfield":{"id":"https://openalex.org/subfields/1710","display_name":"Information Systems"},"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/T10101","display_name":"Cloud Computing and Resource Management","score":0.9998000264167786,"subfield":{"id":"https://openalex.org/subfields/1710","display_name":"Information Systems"},"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":0.9994999766349792,"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":0.9970999956130981,"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/data-center","display_name":"Data center","score":0.736882746219635},{"id":"https://openalex.org/keywords/server","display_name":"Server","score":0.6743696928024292},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.585509717464447},{"id":"https://openalex.org/keywords/setpoint","display_name":"Setpoint","score":0.5621201395988464},{"id":"https://openalex.org/keywords/power","display_name":"Power (physics)","score":0.48994794487953186},{"id":"https://openalex.org/keywords/hvac","display_name":"HVAC","score":0.4815666973590851},{"id":"https://openalex.org/keywords/power-optimization","display_name":"Power optimization","score":0.4477981925010681},{"id":"https://openalex.org/keywords/power-budget","display_name":"Power budget","score":0.42385226488113403},{"id":"https://openalex.org/keywords/automotive-engineering","display_name":"Automotive engineering","score":0.4013420045375824},{"id":"https://openalex.org/keywords/air-conditioning","display_name":"Air conditioning","score":0.3854878544807434},{"id":"https://openalex.org/keywords/engineering","display_name":"Engineering","score":0.2907916307449341},{"id":"https://openalex.org/keywords/electric-power-system","display_name":"Electric power system","score":0.2714898884296417},{"id":"https://openalex.org/keywords/computer-network","display_name":"Computer network","score":0.23867183923721313},{"id":"https://openalex.org/keywords/power-consumption","display_name":"Power consumption","score":0.1542586386203766},{"id":"https://openalex.org/keywords/mechanical-engineering","display_name":"Mechanical engineering","score":0.12311625480651855}],"concepts":[{"id":"https://openalex.org/C153740404","wikidata":"https://www.wikidata.org/wiki/Q671224","display_name":"Data center","level":2,"score":0.736882746219635},{"id":"https://openalex.org/C93996380","wikidata":"https://www.wikidata.org/wiki/Q44127","display_name":"Server","level":2,"score":0.6743696928024292},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.585509717464447},{"id":"https://openalex.org/C12302492","wikidata":"https://www.wikidata.org/wiki/Q1752097","display_name":"Setpoint","level":2,"score":0.5621201395988464},{"id":"https://openalex.org/C163258240","wikidata":"https://www.wikidata.org/wiki/Q25342","display_name":"Power (physics)","level":2,"score":0.48994794487953186},{"id":"https://openalex.org/C122346748","wikidata":"https://www.wikidata.org/wiki/Q1798773","display_name":"HVAC","level":3,"score":0.4815666973590851},{"id":"https://openalex.org/C168292644","wikidata":"https://www.wikidata.org/wiki/Q10860336","display_name":"Power optimization","level":4,"score":0.4477981925010681},{"id":"https://openalex.org/C149768029","wikidata":"https://www.wikidata.org/wiki/Q1509342","display_name":"Power budget","level":4,"score":0.42385226488113403},{"id":"https://openalex.org/C171146098","wikidata":"https://www.wikidata.org/wiki/Q124192","display_name":"Automotive engineering","level":1,"score":0.4013420045375824},{"id":"https://openalex.org/C103742991","wikidata":"https://www.wikidata.org/wiki/Q173725","display_name":"Air conditioning","level":2,"score":0.3854878544807434},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.2907916307449341},{"id":"https://openalex.org/C89227174","wikidata":"https://www.wikidata.org/wiki/Q2388981","display_name":"Electric power system","level":3,"score":0.2714898884296417},{"id":"https://openalex.org/C31258907","wikidata":"https://www.wikidata.org/wiki/Q1301371","display_name":"Computer network","level":1,"score":0.23867183923721313},{"id":"https://openalex.org/C2984118289","wikidata":"https://www.wikidata.org/wiki/Q29954","display_name":"Power consumption","level":3,"score":0.1542586386203766},{"id":"https://openalex.org/C78519656","wikidata":"https://www.wikidata.org/wiki/Q101333","display_name":"Mechanical engineering","level":1,"score":0.12311625480651855},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.0},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.0},{"id":"https://openalex.org/C62520636","wikidata":"https://www.wikidata.org/wiki/Q944","display_name":"Quantum mechanics","level":1,"score":0.0}],"mesh":[],"locations_count":2,"locations":[{"id":"doi:10.1109/igcc.2011.6008610","is_oa":false,"landing_page_url":"https://doi.org/10.1109/igcc.2011.6008610","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2011 International Green Computing Conference and Workshops","raw_type":"proceedings-article"},{"id":"pmh:oai:CiteSeerX.psu:10.1.1.227.9090","is_oa":false,"landing_page_url":"http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.227.9090","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"http://researcher.ibm.com/files/us-lefurgy/igcc2011_tapo_paper.pdf","raw_type":"text"}],"best_oa_location":null,"sustainable_development_goals":[{"display_name":"Affordable and clean energy","score":0.9100000262260437,"id":"https://metadata.un.org/sdg/7"}],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":18,"referenced_works":["https://openalex.org/W1842406863","https://openalex.org/W1980814187","https://openalex.org/W1986286068","https://openalex.org/W2006948492","https://openalex.org/W2037281754","https://openalex.org/W2039259574","https://openalex.org/W2040392157","https://openalex.org/W2045274643","https://openalex.org/W2060204338","https://openalex.org/W2084416612","https://openalex.org/W2085039517","https://openalex.org/W2098663784","https://openalex.org/W2115219441","https://openalex.org/W2118955868","https://openalex.org/W2153723413","https://openalex.org/W2167588478","https://openalex.org/W3143868688","https://openalex.org/W6638953996"],"related_works":["https://openalex.org/W2955299595","https://openalex.org/W2063448859","https://openalex.org/W3215442844","https://openalex.org/W4309436098","https://openalex.org/W4225350631","https://openalex.org/W2006191301","https://openalex.org/W1553670958","https://openalex.org/W1519266335","https://openalex.org/W4295010935","https://openalex.org/W2964390040"],"abstract_inverted_index":{"A":[0],"large":[1],"portion":[2],"of":[3,7,42,175],"the":[4,40,79,84,110,115,139,154,159],"power":[5,54,69,81,98,102,128,146,150,169,194],"consumption":[6],"data":[8,21,85,125],"centers":[9,22],"can":[10,122],"be":[11],"attributed":[12],"to":[13,60,161,197],"cooling.":[14],"In":[15,46],"dynamic":[16],"thermal":[17,25,107,156],"management":[18],"mechanisms":[19],"for":[20,37,109,203],"and":[23,31,63,94,147,187],"servers,":[24],"setpoints":[26,108],"are":[27,58],"typically":[28],"chosen":[29],"statically":[30],"conservatively,":[32],"which":[33],"leaves":[34],"significant":[35],"room":[36],"improvement":[38],"in":[39,173],"form":[41],"improved":[43],"energy":[44],"efficiency.":[45],"this":[47,165,180],"paper,":[48],"we":[49,88,142],"propose":[50],"two":[51,106],"hierarchical":[52],"thermal-aware":[53],"optimization":[55,121,181],"techniques":[56],"that":[57,189,205],"complementary":[59],"each":[61],"other":[62],"achieve":[64],"(i)":[65],"lower":[66],"overall":[67],"system":[68,160],"with":[70,99,134,199],"no":[71,135,200],"performance":[72,77,136,201],"penalty":[73,202],"or":[74],"(ii)":[75],"higher":[76],"within":[78],"same":[80],"budget.":[82],"At":[83,138],"center":[86,126],"level,":[87,141],"trade":[89,143],"off":[90,144],"facility":[91],"Heating,":[92],"Ventilation":[93],"Air":[95],"Conditioning":[96],"(HVAC)":[97],"server":[100,140,155,193],"fan":[101,145,168],"by":[103,129,151,195],"choosing":[104],"between":[105],"HVAC":[111],"chiller":[112],"based":[113],"on":[114,182],"cooling":[116],"zone":[117],"utilization":[118],"levels.":[119],"This":[120],"reduce":[123],"total":[124,127,192],"as":[130,132],"much":[131],"12.4%-17%,":[133],"penalty.":[137],"circuit":[148],"leakage":[149,176],"dynamically":[152],"adjusting":[153],"setpoint,":[157],"allowing":[158],"heat":[162],"up":[163,196],"when":[164],"saves":[166],"more":[167],"than":[170],"it":[171,190],"costs":[172],"terms":[174],"power.":[177],"We":[178],"evaluate":[179],"an":[183],"IBM":[184],"POWER":[185],"750":[186],"find":[188],"reduces":[191],"5.4%":[198],"workloads":[204],"heavily":[206],"exercise":[207],"a":[208],"server.":[209]},"counts_by_year":[{"year":2025,"cited_by_count":1},{"year":2021,"cited_by_count":4},{"year":2020,"cited_by_count":3},{"year":2019,"cited_by_count":1},{"year":2018,"cited_by_count":8},{"year":2017,"cited_by_count":5},{"year":2016,"cited_by_count":8},{"year":2015,"cited_by_count":16},{"year":2014,"cited_by_count":16},{"year":2013,"cited_by_count":3},{"year":2012,"cited_by_count":6}],"updated_date":"2026-04-05T17:49:38.594831","created_date":"2025-10-10T00:00:00"}