{"id":"https://openalex.org/W2056007740","doi":"https://doi.org/10.1145/2400682.2400709","title":"Fair CPU time accounting in CMP+SMT processors","display_name":"Fair CPU time accounting in CMP+SMT processors","publication_year":2013,"publication_date":"2013-01-01","ids":{"openalex":"https://openalex.org/W2056007740","doi":"https://doi.org/10.1145/2400682.2400709","mag":"2056007740"},"language":"en","primary_location":{"id":"doi:10.1145/2400682.2400709","is_oa":true,"landing_page_url":"https://doi.org/10.1145/2400682.2400709","pdf_url":"https://dl.acm.org/doi/pdf/10.1145/2400682.2400709","source":{"id":"https://openalex.org/S26056741","display_name":"ACM Transactions on Architecture and Code Optimization","issn_l":"1544-3566","issn":["1544-3566","1544-3973"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310319798","host_organization_name":"Association for Computing Machinery","host_organization_lineage":["https://openalex.org/P4310319798"],"host_organization_lineage_names":["Association for Computing Machinery"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"ACM Transactions on Architecture and Code Optimization","raw_type":"journal-article"},"type":"article","indexed_in":["crossref"],"open_access":{"is_oa":true,"oa_status":"bronze","oa_url":"https://dl.acm.org/doi/pdf/10.1145/2400682.2400709","any_repository_has_fulltext":false},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5068868598","display_name":"Carlos Luque","orcid":"https://orcid.org/0000-0003-0442-0785"},"institutions":[{"id":"https://openalex.org/I9617848","display_name":"Universitat Polit\u00e8cnica de Catalunya","ror":"https://ror.org/03mb6wj31","country_code":"ES","type":"education","lineage":["https://openalex.org/I9617848"]},{"id":"https://openalex.org/I2799803557","display_name":"Barcelona Supercomputing Center","ror":"https://ror.org/05sd8tv96","country_code":"ES","type":"facility","lineage":["https://openalex.org/I2799803557","https://openalex.org/I9617848"]}],"countries":["ES"],"is_corresponding":true,"raw_author_name":"Carlos Luque","raw_affiliation_strings":["Universistat Polit\u00e8cnica de Catalunya, and Barcelona Supercomputing Center, Barcelona, Spain"],"affiliations":[{"raw_affiliation_string":"Universistat Polit\u00e8cnica de Catalunya, and Barcelona Supercomputing Center, Barcelona, Spain","institution_ids":["https://openalex.org/I9617848","https://openalex.org/I2799803557"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5088729105","display_name":"Miquel Moret\u00f3","orcid":"https://orcid.org/0000-0002-9848-8758"},"institutions":[{"id":"https://openalex.org/I9617848","display_name":"Universitat Polit\u00e8cnica de Catalunya","ror":"https://ror.org/03mb6wj31","country_code":"ES","type":"education","lineage":["https://openalex.org/I9617848"]},{"id":"https://openalex.org/I1297971548","display_name":"International Computer Science Institute","ror":"https://ror.org/01ewh7m12","country_code":"US","type":"nonprofit","lineage":["https://openalex.org/I1297971548"]}],"countries":["ES","US"],"is_corresponding":false,"raw_author_name":"Miquel Moreto","raw_affiliation_strings":["International Computer Science Institute, Universistat Polit\u00e8cnica de Catalunya, and Barcelona Supercomputing Center, Berkeley, CA"],"affiliations":[{"raw_affiliation_string":"International Computer Science Institute, Universistat Polit\u00e8cnica de Catalunya, and Barcelona Supercomputing Center, Berkeley, CA","institution_ids":["https://openalex.org/I9617848","https://openalex.org/I1297971548"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5026101378","display_name":"Francisco J. Cazorla","orcid":"https://orcid.org/0000-0002-3344-376X"},"institutions":[{"id":"https://openalex.org/I2799803557","display_name":"Barcelona Supercomputing Center","ror":"https://ror.org/05sd8tv96","country_code":"ES","type":"facility","lineage":["https://openalex.org/I2799803557","https://openalex.org/I9617848"]},{"id":"https://openalex.org/I134820265","display_name":"Consejo Superior de Investigaciones Cient\u00edficas","ror":"https://ror.org/02gfc7t72","country_code":"ES","type":"funder","lineage":["https://openalex.org/I134820265"]},{"id":"https://openalex.org/I9617848","display_name":"Universitat Polit\u00e8cnica de Catalunya","ror":"https://ror.org/03mb6wj31","country_code":"ES","type":"education","lineage":["https://openalex.org/I9617848"]}],"countries":["ES"],"is_corresponding":false,"raw_author_name":"Francisco J. Cazorla","raw_affiliation_strings":["Barcelona Supercomputing Center, and Spanish National Research Council (IIIA-CSIC), Barcelona, Spain","Barcelona Supercomputing Center & Spanish National Research Council (IIIA-CSIC), Barcelona, Spain#TAB#"],"affiliations":[{"raw_affiliation_string":"Barcelona Supercomputing Center, and Spanish National Research Council (IIIA-CSIC), Barcelona, Spain","institution_ids":["https://openalex.org/I9617848","https://openalex.org/I134820265","https://openalex.org/I2799803557"]},{"raw_affiliation_string":"Barcelona Supercomputing Center & Spanish National Research Council (IIIA-CSIC), Barcelona, Spain#TAB#","institution_ids":["https://openalex.org/I9617848","https://openalex.org/I134820265"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5020844763","display_name":"Mateo Valero","orcid":"https://orcid.org/0000-0003-2917-2482"},"institutions":[{"id":"https://openalex.org/I2799803557","display_name":"Barcelona Supercomputing Center","ror":"https://ror.org/05sd8tv96","country_code":"ES","type":"facility","lineage":["https://openalex.org/I2799803557","https://openalex.org/I9617848"]},{"id":"https://openalex.org/I9617848","display_name":"Universitat Polit\u00e8cnica de Catalunya","ror":"https://ror.org/03mb6wj31","country_code":"ES","type":"education","lineage":["https://openalex.org/I9617848"]}],"countries":["ES"],"is_corresponding":false,"raw_author_name":"Mateo Valero","raw_affiliation_strings":["Universistat Polit\u00e8cnica de Catalunya, and Barcelona Supercomputing Center), Barcelona, Spain"],"affiliations":[{"raw_affiliation_string":"Universistat Polit\u00e8cnica de Catalunya, and Barcelona Supercomputing Center), Barcelona, Spain","institution_ids":["https://openalex.org/I9617848","https://openalex.org/I2799803557"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":4,"corresponding_author_ids":["https://openalex.org/A5068868598"],"corresponding_institution_ids":["https://openalex.org/I2799803557","https://openalex.org/I9617848"],"apc_list":null,"apc_paid":null,"fwci":1.5857,"has_fulltext":true,"cited_by_count":6,"citation_normalized_percentile":{"value":0.83672063,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":90,"max":96},"biblio":{"volume":"9","issue":"4","first_page":"1","last_page":"25"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10054","display_name":"Parallel Computing and Optimization Techniques","score":1.0,"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"}},"topics":[{"id":"https://openalex.org/T10054","display_name":"Parallel Computing and Optimization Techniques","score":1.0,"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":0.9997000098228455,"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/T10829","display_name":"Interconnection Networks and Systems","score":0.9995999932289124,"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/computer-science","display_name":"Computer science","score":0.8578490614891052},{"id":"https://openalex.org/keywords/cpu-shielding","display_name":"CPU shielding","score":0.7357702851295471},{"id":"https://openalex.org/keywords/central-processing-unit","display_name":"Central processing unit","score":0.7265883684158325},{"id":"https://openalex.org/keywords/multi-core-processor","display_name":"Multi-core processor","score":0.5970874428749084},{"id":"https://openalex.org/keywords/thread","display_name":"Thread (computing)","score":0.5146094560623169},{"id":"https://openalex.org/keywords/computer-performance","display_name":"Computer performance","score":0.4560108780860901},{"id":"https://openalex.org/keywords/embedded-system","display_name":"Embedded system","score":0.42966821789741516},{"id":"https://openalex.org/keywords/parallel-computing","display_name":"Parallel computing","score":0.42416274547576904},{"id":"https://openalex.org/keywords/task-parallelism","display_name":"Task parallelism","score":0.41657087206840515},{"id":"https://openalex.org/keywords/operating-system","display_name":"Operating system","score":0.34587645530700684},{"id":"https://openalex.org/keywords/parallelism","display_name":"Parallelism (grammar)","score":0.2167322337627411}],"concepts":[{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.8578490614891052},{"id":"https://openalex.org/C180613757","wikidata":"https://www.wikidata.org/wiki/Q5013757","display_name":"CPU shielding","level":3,"score":0.7357702851295471},{"id":"https://openalex.org/C49154492","wikidata":"https://www.wikidata.org/wiki/Q5300","display_name":"Central processing unit","level":2,"score":0.7265883684158325},{"id":"https://openalex.org/C78766204","wikidata":"https://www.wikidata.org/wiki/Q555032","display_name":"Multi-core processor","level":2,"score":0.5970874428749084},{"id":"https://openalex.org/C138101251","wikidata":"https://www.wikidata.org/wiki/Q213092","display_name":"Thread (computing)","level":2,"score":0.5146094560623169},{"id":"https://openalex.org/C187123476","wikidata":"https://www.wikidata.org/wiki/Q1197550","display_name":"Computer performance","level":2,"score":0.4560108780860901},{"id":"https://openalex.org/C149635348","wikidata":"https://www.wikidata.org/wiki/Q193040","display_name":"Embedded system","level":1,"score":0.42966821789741516},{"id":"https://openalex.org/C173608175","wikidata":"https://www.wikidata.org/wiki/Q232661","display_name":"Parallel computing","level":1,"score":0.42416274547576904},{"id":"https://openalex.org/C42992933","wikidata":"https://www.wikidata.org/wiki/Q691169","display_name":"Task parallelism","level":3,"score":0.41657087206840515},{"id":"https://openalex.org/C111919701","wikidata":"https://www.wikidata.org/wiki/Q9135","display_name":"Operating system","level":1,"score":0.34587645530700684},{"id":"https://openalex.org/C2781172179","wikidata":"https://www.wikidata.org/wiki/Q853109","display_name":"Parallelism (grammar)","level":2,"score":0.2167322337627411}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1145/2400682.2400709","is_oa":true,"landing_page_url":"https://doi.org/10.1145/2400682.2400709","pdf_url":"https://dl.acm.org/doi/pdf/10.1145/2400682.2400709","source":{"id":"https://openalex.org/S26056741","display_name":"ACM Transactions on Architecture and Code Optimization","issn_l":"1544-3566","issn":["1544-3566","1544-3973"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310319798","host_organization_name":"Association for Computing Machinery","host_organization_lineage":["https://openalex.org/P4310319798"],"host_organization_lineage_names":["Association for Computing Machinery"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"ACM Transactions on Architecture and Code Optimization","raw_type":"journal-article"}],"best_oa_location":{"id":"doi:10.1145/2400682.2400709","is_oa":true,"landing_page_url":"https://doi.org/10.1145/2400682.2400709","pdf_url":"https://dl.acm.org/doi/pdf/10.1145/2400682.2400709","source":{"id":"https://openalex.org/S26056741","display_name":"ACM Transactions on Architecture and Code Optimization","issn_l":"1544-3566","issn":["1544-3566","1544-3973"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310319798","host_organization_name":"Association for Computing Machinery","host_organization_lineage":["https://openalex.org/P4310319798"],"host_organization_lineage_names":["Association for Computing Machinery"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"ACM Transactions on Architecture and Code Optimization","raw_type":"journal-article"},"sustainable_development_goals":[{"score":0.44999998807907104,"id":"https://metadata.un.org/sdg/9","display_name":"Industry, innovation and infrastructure"}],"awards":[{"id":"https://openalex.org/G4029455489","display_name":null,"funder_award_id":"TIN-2007-60625","funder_id":"https://openalex.org/F4320321837","funder_display_name":"Ministerio de Econom\u00eda y Competitividad"},{"id":"https://openalex.org/G4531677044","display_name":null,"funder_award_id":"grant","funder_id":"https://openalex.org/F4320321837","funder_display_name":"Ministerio de Econom\u00eda y Competitividad"},{"id":"https://openalex.org/G8749672814","display_name":null,"funder_award_id":"FPI grant","funder_id":"https://openalex.org/F4320321837","funder_display_name":"Ministerio de Econom\u00eda y Competitividad"}],"funders":[{"id":"https://openalex.org/F4320321837","display_name":"Ministerio de Econom\u00eda y Competitividad","ror":"https://ror.org/034900433"}],"has_content":{"pdf":true,"grobid_xml":true},"content_urls":{"pdf":"https://content.openalex.org/works/W2056007740.pdf","grobid_xml":"https://content.openalex.org/works/W2056007740.grobid-xml"},"referenced_works_count":38,"referenced_works":["https://openalex.org/W70437322","https://openalex.org/W1535389666","https://openalex.org/W1603729245","https://openalex.org/W1971165887","https://openalex.org/W1980015276","https://openalex.org/W1998310976","https://openalex.org/W2011079817","https://openalex.org/W2036592112","https://openalex.org/W2059290792","https://openalex.org/W2085830671","https://openalex.org/W2093036945","https://openalex.org/W2096334971","https://openalex.org/W2098040113","https://openalex.org/W2103397328","https://openalex.org/W2107223062","https://openalex.org/W2107493680","https://openalex.org/W2119556945","https://openalex.org/W2120230074","https://openalex.org/W2127643746","https://openalex.org/W2129499826","https://openalex.org/W2129573249","https://openalex.org/W2129846162","https://openalex.org/W2143322909","https://openalex.org/W2143773524","https://openalex.org/W2152061572","https://openalex.org/W2152496451","https://openalex.org/W2164705534","https://openalex.org/W2170653240","https://openalex.org/W2323110450","https://openalex.org/W2466405623","https://openalex.org/W2574026370","https://openalex.org/W2768181412","https://openalex.org/W3112651258","https://openalex.org/W3143125621","https://openalex.org/W4210790398","https://openalex.org/W4238816702","https://openalex.org/W4239331546","https://openalex.org/W4252742548"],"related_works":["https://openalex.org/W2473478803","https://openalex.org/W597801419","https://openalex.org/W4384822647","https://openalex.org/W4294069467","https://openalex.org/W2904030423","https://openalex.org/W2729363167","https://openalex.org/W3131180033","https://openalex.org/W2789944766","https://openalex.org/W4386322366","https://openalex.org/W2909255767"],"abstract_inverted_index":{"Processor":[0],"architectures":[1,48],"combining":[2],"several":[3],"paradigms":[4],"of":[5,80,128,164,178],"Thread-Level":[6],"Parallelism":[7],"(TLP),":[8],"such":[9],"as":[10,25],"CMP":[11],"processors":[12,137,158],"in":[13,42,46,74,115,211],"which":[14],"each":[15],"core":[16],"is":[17,93],"SMT,":[18],"are":[19,143],"becoming":[20],"more":[21,23,171],"and":[22,77,125,135,138,181,205],"popular":[24],"a":[26,32,65,108,152,175],"way":[27],"to":[28,58,64,95,103,201,223],"improve":[29],"performance":[30],"at":[31],"moderate":[33],"cost.":[34,195],"However,":[35],"the":[36,70,75,78,123,162],"complex":[37],"interaction":[38],"between":[39,203],"running":[40],"tasks":[41],"hardware":[43,82,126,188],"shared":[44,109,189],"resources":[45,83],"multi-TLP":[47],"introduces":[49],"complexities":[50],"when":[51,207],"accounting":[52,91,131,154],"CPU":[53,56,61,90,130,166,209],"time":[54,71],"(or":[55],"utilization)":[57],"tasks.":[59],"The":[60],"utilization":[62,210],"accounted":[63,165],"task":[66],"depends":[67],"on":[68,107],"both":[69],"it":[72,84,99],"runs":[73],"processor":[76,81,179],"amount":[79],"receives.":[85],"Deploying":[86],"systems":[87],"with":[88],"accurate":[89],"mechanisms":[92,132],"necessary":[94],"increase":[96],"fairness.":[97],"Moreover,":[98],"will":[100],"allow":[101],"users":[102],"be":[104],"fairly":[105],"charged":[106],"data":[110],"center,":[111],"facilitating":[112],"server":[113],"consolidation":[114],"future":[116],"systems.":[117],"In":[118,196],"this":[119,221],"article":[120],"we":[121,139,150],"analyze":[122],"accuracy":[124,163],"cost":[127],"previous":[129,198],"for":[133,146,156],"pure-CMP":[134],"pure-SMT":[136],"show":[140],"that":[141],"they":[142],"not":[144,184],"adequate":[145],"CMP+SMT":[147,157],"processors.":[148],"Consequently,":[149],"propose":[151],"new":[153],"mechanism":[155],"which:":[159],"(1)":[160],"increases":[161],"utilization;":[167],"(2)":[168],"provides":[169],"much":[170],"stable":[172],"results":[173],"over":[174],"wide":[176],"range":[177],"setups;":[180],"(3)":[182],"does":[183],"require":[185],"tracking":[186],"all":[187],"resources,":[190],"significantly":[191],"reducing":[192],"its":[193],"implementation":[194],"particular,":[197],"proposals":[199],"lead":[200],"inaccuracies":[202],"21%":[204],"79%":[206],"measuring":[208],"an":[212],"8-core":[213],"2-way":[214],"SMT":[215],"processor,":[216],"while":[217],"our":[218],"proposal":[219],"reduces":[220],"inaccuracy":[222],"less":[224],"than":[225],"5.0%.":[226]},"counts_by_year":[{"year":2018,"cited_by_count":1},{"year":2016,"cited_by_count":2},{"year":2015,"cited_by_count":1},{"year":2014,"cited_by_count":2}],"updated_date":"2026-04-13T07:58:08.660418","created_date":"2025-10-10T00:00:00"}