{"id":"https://openalex.org/W4242220430","doi":"https://doi.org/10.1109/isca.2002.1003587","title":"Design tradeoffs for the alpha EV8 conditional branch predictor","display_name":"Design tradeoffs for the alpha EV8 conditional branch predictor","publication_year":2003,"publication_date":"2003-06-25","ids":{"openalex":"https://openalex.org/W4242220430","doi":"https://doi.org/10.1109/isca.2002.1003587"},"language":"en","primary_location":{"id":"doi:10.1109/isca.2002.1003587","is_oa":false,"landing_page_url":"https://doi.org/10.1109/isca.2002.1003587","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Proceedings 29th Annual International Symposium on Computer Architecture","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/A5075222745","display_name":"Andr\u00e9 Seznec","orcid":"https://orcid.org/0000-0002-3058-6503"},"institutions":[{"id":"https://openalex.org/I1326498283","display_name":"Institut national de recherche en sciences et technologies du num\u00e9rique","ror":"https://ror.org/02kvxyf05","country_code":"FR","type":"government","lineage":["https://openalex.org/I1326498283"]},{"id":"https://openalex.org/I2802519937","display_name":"Institut de Recherche en Informatique et Syst\u00e8mes Al\u00e9atoires","ror":"https://ror.org/00myn0z94","country_code":"FR","type":"facility","lineage":["https://openalex.org/I1294671590","https://openalex.org/I1294671590","https://openalex.org/I1326498283","https://openalex.org/I205703379","https://openalex.org/I2802204017","https://openalex.org/I2802519937","https://openalex.org/I28221208","https://openalex.org/I4210127572","https://openalex.org/I4210159245","https://openalex.org/I56067802"]},{"id":"https://openalex.org/I4210133778","display_name":"Centre Inria de l'Universit\u00e9 de Rennes","ror":"https://ror.org/04040yw90","country_code":"FR","type":"facility","lineage":["https://openalex.org/I1326498283","https://openalex.org/I4210133778"]}],"countries":["FR"],"is_corresponding":true,"raw_author_name":"A. Seznec","raw_affiliation_strings":["IRISA/INRIA, Rennes, France"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"IRISA/INRIA, Rennes, France","institution_ids":["https://openalex.org/I2802519937","https://openalex.org/I1326498283","https://openalex.org/I4210133778"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5038191724","display_name":"S. Felix","orcid":null},"institutions":[{"id":"https://openalex.org/I1343180700","display_name":"Intel (United States)","ror":"https://ror.org/01ek73717","country_code":"US","type":"company","lineage":["https://openalex.org/I1343180700"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"S. Felix","raw_affiliation_strings":["Intel, Shrewsbury, MA, USA"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Intel, Shrewsbury, MA, USA","institution_ids":["https://openalex.org/I1343180700"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5079283559","display_name":"Venkata Krishnan","orcid":"https://orcid.org/0000-0002-4453-0914"},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"V. Krishnan","raw_affiliation_strings":["StarGen, Inc., Marlborough, MA, USA"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"StarGen, Inc., Marlborough, MA, USA","institution_ids":[]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5111918520","display_name":"Yanos Sazeides","orcid":null},"institutions":[{"id":"https://openalex.org/I34771391","display_name":"University of Cyprus","ror":"https://ror.org/02qjrjx09","country_code":"CY","type":"education","lineage":["https://openalex.org/I34771391"]}],"countries":["CY"],"is_corresponding":false,"raw_author_name":"Y. Sazeides","raw_affiliation_strings":["Department of Computer Science, University of Cyprus, Nicosia, Cyprus"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Computer Science, University of Cyprus, Nicosia, Cyprus","institution_ids":["https://openalex.org/I34771391"]}]}],"institutions":[],"countries_distinct_count":3,"institutions_distinct_count":4,"corresponding_author_ids":["https://openalex.org/A5075222745"],"corresponding_institution_ids":["https://openalex.org/I1326498283","https://openalex.org/I2802519937","https://openalex.org/I4210133778"],"apc_list":null,"apc_paid":null,"fwci":7.6801,"has_fulltext":false,"cited_by_count":83,"citation_normalized_percentile":{"value":0.97726422,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":90,"max":98},"biblio":{"volume":null,"issue":null,"first_page":"295","last_page":"306"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10054","display_name":"Parallel Computing and Optimization Techniques","score":0.9998999834060669,"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":0.9998999834060669,"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":0.9994000196456909,"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/T10363","display_name":"Low-power high-performance VLSI design","score":0.9991999864578247,"subfield":{"id":"https://openalex.org/subfields/2208","display_name":"Electrical and Electronic Engineering"},"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/branch-predictor","display_name":"Branch predictor","score":0.9820994734764099},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.7120828032493591},{"id":"https://openalex.org/keywords/microarchitecture","display_name":"Microarchitecture","score":0.6665395498275757},{"id":"https://openalex.org/keywords/pipeline","display_name":"Pipeline (software)","score":0.5708339214324951},{"id":"https://openalex.org/keywords/parallel-computing","display_name":"Parallel computing","score":0.5060045123100281},{"id":"https://openalex.org/keywords/microprocessor","display_name":"Microprocessor","score":0.4729447364807129},{"id":"https://openalex.org/keywords/simultaneous-multithreading","display_name":"Simultaneous multithreading","score":0.468228280544281},{"id":"https://openalex.org/keywords/multithreading","display_name":"Multithreading","score":0.44665899872779846},{"id":"https://openalex.org/keywords/fetch","display_name":"Fetch","score":0.4385005831718445},{"id":"https://openalex.org/keywords/speculative-execution","display_name":"Speculative execution","score":0.4261954426765442},{"id":"https://openalex.org/keywords/embedded-system","display_name":"Embedded system","score":0.1583293080329895},{"id":"https://openalex.org/keywords/operating-system","display_name":"Operating system","score":0.10206878185272217},{"id":"https://openalex.org/keywords/thread","display_name":"Thread (computing)","score":0.08183619379997253}],"concepts":[{"id":"https://openalex.org/C168522837","wikidata":"https://www.wikidata.org/wiki/Q679552","display_name":"Branch predictor","level":2,"score":0.9820994734764099},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.7120828032493591},{"id":"https://openalex.org/C107598950","wikidata":"https://www.wikidata.org/wiki/Q259864","display_name":"Microarchitecture","level":2,"score":0.6665395498275757},{"id":"https://openalex.org/C43521106","wikidata":"https://www.wikidata.org/wiki/Q2165493","display_name":"Pipeline (software)","level":2,"score":0.5708339214324951},{"id":"https://openalex.org/C173608175","wikidata":"https://www.wikidata.org/wiki/Q232661","display_name":"Parallel computing","level":1,"score":0.5060045123100281},{"id":"https://openalex.org/C2780728072","wikidata":"https://www.wikidata.org/wiki/Q5297","display_name":"Microprocessor","level":2,"score":0.4729447364807129},{"id":"https://openalex.org/C85717602","wikidata":"https://www.wikidata.org/wiki/Q82178","display_name":"Simultaneous multithreading","level":4,"score":0.468228280544281},{"id":"https://openalex.org/C201410400","wikidata":"https://www.wikidata.org/wiki/Q1064412","display_name":"Multithreading","level":3,"score":0.44665899872779846},{"id":"https://openalex.org/C131918245","wikidata":"https://www.wikidata.org/wiki/Q1409090","display_name":"Fetch","level":2,"score":0.4385005831718445},{"id":"https://openalex.org/C141331961","wikidata":"https://www.wikidata.org/wiki/Q2164465","display_name":"Speculative execution","level":2,"score":0.4261954426765442},{"id":"https://openalex.org/C149635348","wikidata":"https://www.wikidata.org/wiki/Q193040","display_name":"Embedded system","level":1,"score":0.1583293080329895},{"id":"https://openalex.org/C111919701","wikidata":"https://www.wikidata.org/wiki/Q9135","display_name":"Operating system","level":1,"score":0.10206878185272217},{"id":"https://openalex.org/C138101251","wikidata":"https://www.wikidata.org/wiki/Q213092","display_name":"Thread (computing)","level":2,"score":0.08183619379997253},{"id":"https://openalex.org/C127313418","wikidata":"https://www.wikidata.org/wiki/Q1069","display_name":"Geology","level":0,"score":0.0},{"id":"https://openalex.org/C111368507","wikidata":"https://www.wikidata.org/wiki/Q43518","display_name":"Oceanography","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/isca.2002.1003587","is_oa":false,"landing_page_url":"https://doi.org/10.1109/isca.2002.1003587","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Proceedings 29th Annual International Symposium on Computer Architecture","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[{"score":0.5400000214576721,"id":"https://metadata.un.org/sdg/9","display_name":"Industry, innovation and infrastructure"}],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":32,"referenced_works":["https://openalex.org/W1495104217","https://openalex.org/W1529132158","https://openalex.org/W1549478457","https://openalex.org/W1904058066","https://openalex.org/W1925321484","https://openalex.org/W2013083013","https://openalex.org/W2090994050","https://openalex.org/W2109262733","https://openalex.org/W2118532220","https://openalex.org/W2122563027","https://openalex.org/W2123412482","https://openalex.org/W2130363691","https://openalex.org/W2139338109","https://openalex.org/W2156484396","https://openalex.org/W2782236706","https://openalex.org/W2999544027","https://openalex.org/W3142147837","https://openalex.org/W3182406246","https://openalex.org/W4238667844","https://openalex.org/W4243046000","https://openalex.org/W4246045282","https://openalex.org/W4253612179","https://openalex.org/W6629699331","https://openalex.org/W6631541550","https://openalex.org/W6632851541","https://openalex.org/W6639518274","https://openalex.org/W6653637827","https://openalex.org/W6653771132","https://openalex.org/W6671022316","https://openalex.org/W6676311259","https://openalex.org/W6678438195","https://openalex.org/W6792903772"],"related_works":["https://openalex.org/W1916582918","https://openalex.org/W124901208","https://openalex.org/W1595275176","https://openalex.org/W2366153089","https://openalex.org/W4235677263","https://openalex.org/W2109440006","https://openalex.org/W2745771918","https://openalex.org/W3194312717","https://openalex.org/W2005952754","https://openalex.org/W3199055575"],"abstract_inverted_index":{"This":[0,138],"paper":[1,89],"presents":[2],"the":[3,49,92,102,110,113,120,141,153,159,162,166,170,181,190,194],"Alpha":[4,10,70,182],"EV8":[5,11,71,103,183],"conditional":[6],"branch":[7,53,65,72,104,148,184,199],"predictor.":[8,105,154],"The":[9,69,85],"microprocessor":[12],"project,":[13],"canceled":[14],"in":[15,18,140,189,207],"June":[16],"2001":[17],"a":[19,33,43,57,80],"late":[20],"phase":[21],"of":[22,41,51,82,87,112,122,143,161,172],"development,":[23],"envisioned":[24],"an":[25],"aggressive":[26],"8-wide":[27],"issue":[28],"out-of-order":[29],"superscalar":[30],"microarchitecture":[31],"featuring":[32],"very":[34,58],"deep":[35],"pipeline":[36],"and":[37,55,78,168],"simultaneous":[38],"multithreading.":[39],"Performance":[40],"such":[42,107],"processor":[44],"is":[45,90,109],"highly":[46],"dependent":[47],"on":[48,67,75,91,115],"accuracy":[50,188],"its":[52],"predictor":[54,73,114,167,185],"consequently":[56],"large":[59],"silicon":[60],"area":[61],"was":[62],"devoted":[63],"to":[64,96,118,124],"prediction":[66,121,187],"EV8.":[68],"relies":[74],"global":[76,197],"history":[77,149,198],"features":[79],"total":[81],"352":[83],"Kbits.":[84],"focus":[86],"this":[88],"different":[93],"trade-offs":[94],"performed":[95],"overcome":[97],"various":[98],"implementation":[99,205],"constraints":[100,156,206],"for":[101,151,165],"One":[106],"instance":[108],"pipelining":[111],"two":[116,131],"cycles":[117],"facilitate":[119],"up":[123],"16":[125],"branches":[126],"per":[127],"cycle":[128],"from":[129],"any":[130],"dynamically":[132],"successive,":[133],"8":[134],"instruction":[135],"fetch":[136],"blocks.":[137],"resulted":[139],"use":[142],"three":[144],"fetch-block":[145],"old":[146],"compressed":[147],"information":[150],"accessing":[152],"Implementation":[155],"also":[157],"restricted":[158],"composition":[160],"index":[163],"functions":[164],"forced":[169],"usage":[171],"only":[173],"single-ported":[174],"memory":[175],"cells.":[176],"Nevertheless,":[177],"we":[178],"show":[179],"that":[180,201],"achieves":[186],"same":[191],"range":[192],"as":[193],"state-of-the-art":[195],"academic":[196],"predictors":[200],"do":[202],"not":[203],"consider":[204],"great":[208],"detail.":[209]},"counts_by_year":[{"year":2026,"cited_by_count":1},{"year":2024,"cited_by_count":2},{"year":2023,"cited_by_count":3},{"year":2022,"cited_by_count":1},{"year":2021,"cited_by_count":3},{"year":2020,"cited_by_count":6},{"year":2019,"cited_by_count":4},{"year":2018,"cited_by_count":2},{"year":2016,"cited_by_count":3},{"year":2015,"cited_by_count":2},{"year":2014,"cited_by_count":4},{"year":2013,"cited_by_count":2},{"year":2012,"cited_by_count":1}],"updated_date":"2026-06-06T09:05:17.133730","created_date":"2025-10-10T00:00:00"}