{"id":"https://openalex.org/W4413755166","doi":"https://doi.org/10.1109/isvlsi65124.2025.11130298","title":"Tournament Cache Decay: Tight Control of Leakage Power for Last-Level Caches","display_name":"Tournament Cache Decay: Tight Control of Leakage Power for Last-Level Caches","publication_year":2025,"publication_date":"2025-07-06","ids":{"openalex":"https://openalex.org/W4413755166","doi":"https://doi.org/10.1109/isvlsi65124.2025.11130298"},"language":"en","primary_location":{"id":"doi:10.1109/isvlsi65124.2025.11130298","is_oa":false,"landing_page_url":"https://doi.org/10.1109/isvlsi65124.2025.11130298","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2025 IEEE Computer Society Annual Symposium on VLSI (ISVLSI)","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/A5119450511","display_name":"Theodoros Papavasileiou","orcid":null},"institutions":[{"id":"https://openalex.org/I21370196","display_name":"Aristotle University of Thessaloniki","ror":"https://ror.org/02j61yw88","country_code":"GR","type":"education","lineage":["https://openalex.org/I21370196"]}],"countries":["GR"],"is_corresponding":true,"raw_author_name":"Theodoros Papavasileiou","raw_affiliation_strings":["Aristotle University of Thessaloniki,School of Informatics,Thessaloniki,Greece"],"affiliations":[{"raw_affiliation_string":"Aristotle University of Thessaloniki,School of Informatics,Thessaloniki,Greece","institution_ids":["https://openalex.org/I21370196"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5074371053","display_name":"\u0393\u03b5\u03ce\u03c1\u03b3\u03b9\u03bf\u03c2 \u039a\u03b5\u03c1\u03b1\u03bc\u03af\u03b4\u03b1\u03c2","orcid":"https://orcid.org/0000-0003-0460-6061"},"institutions":[{"id":"https://openalex.org/I21370196","display_name":"Aristotle University of Thessaloniki","ror":"https://ror.org/02j61yw88","country_code":"GR","type":"education","lineage":["https://openalex.org/I21370196"]}],"countries":["GR"],"is_corresponding":false,"raw_author_name":"Georgios Keramidas","raw_affiliation_strings":["Aristotle University of Thessaloniki,School of Informatics,Thessaloniki,Greece"],"affiliations":[{"raw_affiliation_string":"Aristotle University of Thessaloniki,School of Informatics,Thessaloniki,Greece","institution_ids":["https://openalex.org/I21370196"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5031542707","display_name":"Vasilis F. Pavlidis","orcid":"https://orcid.org/0000-0002-4063-4652"},"institutions":[{"id":"https://openalex.org/I21370196","display_name":"Aristotle University of Thessaloniki","ror":"https://ror.org/02j61yw88","country_code":"GR","type":"education","lineage":["https://openalex.org/I21370196"]}],"countries":["GR"],"is_corresponding":false,"raw_author_name":"Vasilis F. Pavlidis","raw_affiliation_strings":["Aristotle University of Thessaloniki,School of Electrical and Computer Engineering,Thessaloniki,Greece"],"affiliations":[{"raw_affiliation_string":"Aristotle University of Thessaloniki,School of Electrical and Computer Engineering,Thessaloniki,Greece","institution_ids":["https://openalex.org/I21370196"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":3,"corresponding_author_ids":["https://openalex.org/A5119450511"],"corresponding_institution_ids":["https://openalex.org/I21370196"],"apc_list":null,"apc_paid":null,"fwci":0.0,"has_fulltext":false,"cited_by_count":0,"citation_normalized_percentile":{"value":0.30453892,"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":"6"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11478","display_name":"Caching and Content Delivery","score":0.9972000122070312,"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/T11478","display_name":"Caching and Content Delivery","score":0.9972000122070312,"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/T10663","display_name":"Advanced Battery Technologies Research","score":0.9916999936103821,"subfield":{"id":"https://openalex.org/subfields/2203","display_name":"Automotive 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/T10054","display_name":"Parallel Computing and Optimization Techniques","score":0.9848999977111816,"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"}}],"keywords":[{"id":"https://openalex.org/keywords/cache","display_name":"Cache","score":0.8579832315444946},{"id":"https://openalex.org/keywords/leakage","display_name":"Leakage (economics)","score":0.7026857137680054},{"id":"https://openalex.org/keywords/leakage-power","display_name":"Leakage power","score":0.6969752311706543},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.6336513757705688},{"id":"https://openalex.org/keywords/tournament","display_name":"Tournament","score":0.6135690212249756},{"id":"https://openalex.org/keywords/power","display_name":"Power (physics)","score":0.34580719470977783},{"id":"https://openalex.org/keywords/parallel-computing","display_name":"Parallel computing","score":0.3241259455680847},{"id":"https://openalex.org/keywords/physics","display_name":"Physics","score":0.11246290802955627},{"id":"https://openalex.org/keywords/power-consumption","display_name":"Power consumption","score":0.10609742999076843},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.05619049072265625}],"concepts":[{"id":"https://openalex.org/C115537543","wikidata":"https://www.wikidata.org/wiki/Q165596","display_name":"Cache","level":2,"score":0.8579832315444946},{"id":"https://openalex.org/C2777042071","wikidata":"https://www.wikidata.org/wiki/Q6509304","display_name":"Leakage (economics)","level":2,"score":0.7026857137680054},{"id":"https://openalex.org/C2987719587","wikidata":"https://www.wikidata.org/wiki/Q1811428","display_name":"Leakage power","level":4,"score":0.6969752311706543},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.6336513757705688},{"id":"https://openalex.org/C136975688","wikidata":"https://www.wikidata.org/wiki/Q1320634","display_name":"Tournament","level":2,"score":0.6135690212249756},{"id":"https://openalex.org/C163258240","wikidata":"https://www.wikidata.org/wiki/Q25342","display_name":"Power (physics)","level":2,"score":0.34580719470977783},{"id":"https://openalex.org/C173608175","wikidata":"https://www.wikidata.org/wiki/Q232661","display_name":"Parallel computing","level":1,"score":0.3241259455680847},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.11246290802955627},{"id":"https://openalex.org/C2984118289","wikidata":"https://www.wikidata.org/wiki/Q29954","display_name":"Power consumption","level":3,"score":0.10609742999076843},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.05619049072265625},{"id":"https://openalex.org/C114614502","wikidata":"https://www.wikidata.org/wiki/Q76592","display_name":"Combinatorics","level":1,"score":0.0},{"id":"https://openalex.org/C62520636","wikidata":"https://www.wikidata.org/wiki/Q944","display_name":"Quantum mechanics","level":1,"score":0.0},{"id":"https://openalex.org/C139719470","wikidata":"https://www.wikidata.org/wiki/Q39680","display_name":"Macroeconomics","level":1,"score":0.0},{"id":"https://openalex.org/C162324750","wikidata":"https://www.wikidata.org/wiki/Q8134","display_name":"Economics","level":0,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/isvlsi65124.2025.11130298","is_oa":false,"landing_page_url":"https://doi.org/10.1109/isvlsi65124.2025.11130298","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2025 IEEE Computer Society Annual Symposium on VLSI (ISVLSI)","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[{"id":"https://metadata.un.org/sdg/13","score":0.44999998807907104,"display_name":"Climate action"}],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":0,"referenced_works":[],"related_works":["https://openalex.org/W3123786980","https://openalex.org/W2994965880","https://openalex.org/W4287997709","https://openalex.org/W3083287393","https://openalex.org/W3094108612","https://openalex.org/W2130342263","https://openalex.org/W2900067469","https://openalex.org/W2968511773","https://openalex.org/W1589514528","https://openalex.org/W2316140901"],"abstract_inverted_index":{"As":[0],"transistor":[1],"density":[2],"increases,":[3],"leakage":[4,34,114,139,168],"power":[5,35,115,140],"dissipation":[6],"becomes":[7],"a":[8,23,28,70,109,149,154],"major":[9],"challenge,":[10],"especially":[11],"in":[12,45,58,108,148,159],"last-level":[13],"caches":[14],"(LLCs),":[15],"which":[16],"are":[17],"among":[18],"the":[19,88,119],"leakiest":[20],"structures":[21],"on":[22],"chip.":[24],"Cache":[25,67],"decay":[26,50,89,101],"is":[27,96],"widely":[29],"studied":[30],"technique":[31],"for":[32],"reducing":[33],"by":[36,141],"turning":[37,142],"off":[38,143],"inactive":[39],"(dead)":[40],"cache":[41,49,56,126,146,152,183],"lines.":[42],"While":[43],"effective":[44],"first-level":[46],"caches,":[47],"traditional":[48],"struggles":[51],"to":[52,79,123,163,187],"accurately":[53],"identify":[54],"dead":[55],"lines":[57,127,147],"LLCs,":[59],"limiting":[60],"its":[61],"efficiency.":[62],"This":[63],"paper":[64],"introduces":[65],"Tournament":[66],"Decay":[68],"(TournCD),":[69],"low-cost,":[71],"feedback-driven":[72],"mechanism":[73],"that":[74,97,136],"leverages":[75],"Dynamic":[76],"Set":[77],"Sampling":[78],"monitor":[80],"LLC":[81],"performance":[82,120,179],"at":[83],"runtime":[84],"and":[85,166],"dynamically":[86],"adjust":[87],"period.":[90],"The":[91],"unique":[92],"feature":[93],"of":[94,125,145],"TournCD":[95,137,171],"it":[98,104],"offers":[99],"informed":[100],"decisions,":[102],"e.g.,":[103],"can":[105],"be":[106],"configured":[107],"conservative":[110],"manner":[111],"delivering":[112],"significant":[113],"savings":[116],"while":[117],"minimizing":[118],"degradation":[121],"(due":[122],"misclassification":[124],"as":[128],"dead).":[129],"Our":[130],"evaluation":[131],"results":[132],"using":[133],"SPEC2017":[134],"reveal":[135],"reduces":[138],"48.8%":[144],"4MB":[150],"L3":[151],"with":[153,177],"negligible":[155],"(<1.59":[156],"%)":[157],"increase":[158],"miss":[160],"ratio.":[161],"Compared":[162],"existing":[164],"static":[165],"dynamic":[167],"reduction":[169],"techniques,":[170],"consistently":[172],"achieves":[173],"high":[174],"turn-off":[175],"ratios":[176],"minimal":[178],"overheads":[180],"across":[181],"different":[182],"sizes":[184],"(1":[185],"MB":[186],"8":[188],"MB).":[189]},"counts_by_year":[],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}