{"id":"https://openalex.org/W4251732945","doi":"https://doi.org/10.1109/isca.2004.1310779","title":"Prophet/critic hybrid branch prediction","display_name":"Prophet/critic hybrid branch prediction","publication_year":2004,"publication_date":"2004-11-13","ids":{"openalex":"https://openalex.org/W4251732945","doi":"https://doi.org/10.1109/isca.2004.1310779"},"language":"en","primary_location":{"id":"doi:10.1109/isca.2004.1310779","is_oa":false,"landing_page_url":"https://doi.org/10.1109/isca.2004.1310779","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Proceedings. 31st Annual International Symposium on Computer Architecture, 2004.","raw_type":"proceedings-article"},"type":"article","indexed_in":["crossref"],"open_access":{"is_oa":true,"oa_status":"green","oa_url":"https://hdl.handle.net/2117/111446","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5111916631","display_name":"Ayose Falc\u00f3n","orcid":null},"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"]}],"countries":["ES"],"is_corresponding":true,"raw_author_name":"A. Falcon","raw_affiliation_strings":["Computer Architecture Department, Universitat Polilt\u00e8cnica de Catalunya, Spain"],"affiliations":[{"raw_affiliation_string":"Computer Architecture Department, Universitat Polilt\u00e8cnica de Catalunya, Spain","institution_ids":["https://openalex.org/I9617848"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5017580485","display_name":"Jared Stark","orcid":"https://orcid.org/0009-0002-4366-4723"},"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":"J. Stark","raw_affiliation_strings":["Microarchitecture Research Laboratory, Intel Corporation, USA"],"affiliations":[{"raw_affiliation_string":"Microarchitecture Research Laboratory, Intel Corporation, USA","institution_ids":["https://openalex.org/I1343180700"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5103225785","display_name":"A. Ramirez","orcid":"https://orcid.org/0000-0001-9330-5046"},"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"]}],"countries":["ES"],"is_corresponding":false,"raw_author_name":"A. Ramirez","raw_affiliation_strings":["Computer Architecture Department, Universitat Polilt\u00e8cnica de Catalunya, Spain"],"affiliations":[{"raw_affiliation_string":"Computer Architecture Department, Universitat Polilt\u00e8cnica de Catalunya, Spain","institution_ids":["https://openalex.org/I9617848"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5109211542","display_name":"Konrad Lai","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":"Konrad Lai","raw_affiliation_strings":["Microarchitecture Research Laboratory, Intel Corporation, USA","Microarchitecture Research Lab Intel Corporation"],"affiliations":[{"raw_affiliation_string":"Microarchitecture Research Laboratory, Intel Corporation, USA","institution_ids":["https://openalex.org/I1343180700"]},{"raw_affiliation_string":"Microarchitecture Research Lab Intel Corporation","institution_ids":["https://openalex.org/I1343180700"]}]},{"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/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":"M. Valero","raw_affiliation_strings":["Computer Architecture Department, Universitat Polilt\u00e8cnica de Catalunya, Spain"],"affiliations":[{"raw_affiliation_string":"Computer Architecture Department, Universitat Polilt\u00e8cnica de Catalunya, Spain","institution_ids":["https://openalex.org/I9617848"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":5,"corresponding_author_ids":["https://openalex.org/A5111916631"],"corresponding_institution_ids":["https://openalex.org/I9617848"],"apc_list":null,"apc_paid":null,"fwci":2.1841,"has_fulltext":false,"cited_by_count":11,"citation_normalized_percentile":{"value":0.8789897,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":89,"max":95},"biblio":{"volume":null,"issue":null,"first_page":"250","last_page":"261"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10054","display_name":"Parallel Computing and Optimization Techniques","score":0.9998000264167786,"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":0.9998000264167786,"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/T10363","display_name":"Low-power high-performance VLSI design","score":0.9958000183105469,"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"}},{"id":"https://openalex.org/T12808","display_name":"Ferroelectric and Negative Capacitance Devices","score":0.9948999881744385,"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":0.9826531410217285},{"id":"https://openalex.org/keywords/byte","display_name":"Byte","score":0.8164408206939697},{"id":"https://openalex.org/keywords/pentium","display_name":"Pentium","score":0.7506707906723022},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.6344218850135803},{"id":"https://openalex.org/keywords/pipeline","display_name":"Pipeline (software)","score":0.6053849458694458},{"id":"https://openalex.org/keywords/speculative-execution","display_name":"Speculative execution","score":0.5557516813278198},{"id":"https://openalex.org/keywords/range","display_name":"Range (aeronautics)","score":0.5191606283187866},{"id":"https://openalex.org/keywords/parallel-computing","display_name":"Parallel computing","score":0.4875621199607849},{"id":"https://openalex.org/keywords/arithmetic","display_name":"Arithmetic","score":0.442615807056427},{"id":"https://openalex.org/keywords/superscalar","display_name":"Superscalar","score":0.4328109920024872},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.3709234297275543},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.29272106289863586},{"id":"https://openalex.org/keywords/operating-system","display_name":"Operating system","score":0.11915403604507446},{"id":"https://openalex.org/keywords/engineering","display_name":"Engineering","score":0.0906284749507904}],"concepts":[{"id":"https://openalex.org/C168522837","wikidata":"https://www.wikidata.org/wiki/Q679552","display_name":"Branch predictor","level":2,"score":0.9826531410217285},{"id":"https://openalex.org/C43364308","wikidata":"https://www.wikidata.org/wiki/Q8799","display_name":"Byte","level":2,"score":0.8164408206939697},{"id":"https://openalex.org/C46268123","wikidata":"https://www.wikidata.org/wiki/Q214314","display_name":"Pentium","level":2,"score":0.7506707906723022},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.6344218850135803},{"id":"https://openalex.org/C43521106","wikidata":"https://www.wikidata.org/wiki/Q2165493","display_name":"Pipeline (software)","level":2,"score":0.6053849458694458},{"id":"https://openalex.org/C141331961","wikidata":"https://www.wikidata.org/wiki/Q2164465","display_name":"Speculative execution","level":2,"score":0.5557516813278198},{"id":"https://openalex.org/C204323151","wikidata":"https://www.wikidata.org/wiki/Q905424","display_name":"Range (aeronautics)","level":2,"score":0.5191606283187866},{"id":"https://openalex.org/C173608175","wikidata":"https://www.wikidata.org/wiki/Q232661","display_name":"Parallel computing","level":1,"score":0.4875621199607849},{"id":"https://openalex.org/C94375191","wikidata":"https://www.wikidata.org/wiki/Q11205","display_name":"Arithmetic","level":1,"score":0.442615807056427},{"id":"https://openalex.org/C147101560","wikidata":"https://www.wikidata.org/wiki/Q1045706","display_name":"Superscalar","level":2,"score":0.4328109920024872},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.3709234297275543},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.29272106289863586},{"id":"https://openalex.org/C111919701","wikidata":"https://www.wikidata.org/wiki/Q9135","display_name":"Operating system","level":1,"score":0.11915403604507446},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.0906284749507904},{"id":"https://openalex.org/C146978453","wikidata":"https://www.wikidata.org/wiki/Q3798668","display_name":"Aerospace engineering","level":1,"score":0.0}],"mesh":[],"locations_count":2,"locations":[{"id":"doi:10.1109/isca.2004.1310779","is_oa":false,"landing_page_url":"https://doi.org/10.1109/isca.2004.1310779","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Proceedings. 31st Annual International Symposium on Computer Architecture, 2004.","raw_type":"proceedings-article"},{"id":"pmh:oai:upcommons.upc.edu:2117/111446","is_oa":true,"landing_page_url":"https://hdl.handle.net/2117/111446","pdf_url":null,"source":{"id":"https://openalex.org/S4210207057","display_name":"QRU Quaderns de Recerca en Urbanisme","issn_l":"2014-9689","issn":["2014-9689","2385-6777"],"is_oa":true,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/P4310322448","host_organization_name":"Q71272178","host_organization_lineage":["https://openalex.org/P4310322448"],"host_organization_lineage_names":["Q71272178"],"type":"journal"},"license":"other-oa","license_id":"https://openalex.org/licenses/other-oa","version":"acceptedVersion","is_accepted":true,"is_published":false,"raw_source_name":null,"raw_type":"Conference report"}],"best_oa_location":{"id":"pmh:oai:upcommons.upc.edu:2117/111446","is_oa":true,"landing_page_url":"https://hdl.handle.net/2117/111446","pdf_url":null,"source":{"id":"https://openalex.org/S4210207057","display_name":"QRU Quaderns de Recerca en Urbanisme","issn_l":"2014-9689","issn":["2014-9689","2385-6777"],"is_oa":true,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/P4310322448","host_organization_name":"Q71272178","host_organization_lineage":["https://openalex.org/P4310322448"],"host_organization_lineage_names":["Q71272178"],"type":"journal"},"license":"other-oa","license_id":"https://openalex.org/licenses/other-oa","version":"acceptedVersion","is_accepted":true,"is_published":false,"raw_source_name":null,"raw_type":"Conference report"},"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":32,"referenced_works":["https://openalex.org/W1549478457","https://openalex.org/W1637700286","https://openalex.org/W2025106479","https://openalex.org/W2052085531","https://openalex.org/W2098625517","https://openalex.org/W2127950539","https://openalex.org/W2128501595","https://openalex.org/W2129445095","https://openalex.org/W2138890053","https://openalex.org/W2139338109","https://openalex.org/W2146151266","https://openalex.org/W2153668107","https://openalex.org/W2158441333","https://openalex.org/W2159268023","https://openalex.org/W2625819298","https://openalex.org/W2741053737","https://openalex.org/W2782236706","https://openalex.org/W3004640107","https://openalex.org/W4205669633","https://openalex.org/W4231361442","https://openalex.org/W4232980069","https://openalex.org/W4235548396","https://openalex.org/W4236345830","https://openalex.org/W4238168359","https://openalex.org/W4242220430","https://openalex.org/W4246829226","https://openalex.org/W4246870635","https://openalex.org/W4247514140","https://openalex.org/W4249536065","https://openalex.org/W6632851541","https://openalex.org/W6677960398","https://openalex.org/W6742516617"],"related_works":["https://openalex.org/W1977470888","https://openalex.org/W4231429033","https://openalex.org/W2131679972","https://openalex.org/W2170860052","https://openalex.org/W2024285967","https://openalex.org/W4246045282","https://openalex.org/W1976586154","https://openalex.org/W2408058673","https://openalex.org/W2897302968","https://openalex.org/W3130691912"],"abstract_inverted_index":{"This":[0],"paper":[1],"introduces":[2],"the":[3,16,35,38,44,49,52,57,61,69,85,95,99,112,116,145,181,196,216],"prophet/critic":[4,126],"hybrid":[5,127],"conditional":[6],"branch":[7,31,59,79],"predictor,":[8],"which":[9],"has":[10,128],"two":[11],"component":[12],"predictors":[13],"that":[14,29,63,143],"play":[15],"role":[17],"of":[18,37,43,94,144,156,183,218],"either":[19,104],"prophet":[20,24,45],"or":[21,77,106],"critic.":[22],"The":[23,81,102,158],"is":[25,108],"a":[26,75,92,133,153,192],"conventional":[27],"predictor":[28,140],"uses":[30,83],"history":[32,87],"to":[33,90,110,142,164,174,189],"predict":[34],"direction":[36],"current":[39,53,58,100],"branch.":[40,101,117],"Further":[41],"accesses":[42],"yield":[46],"predictions":[47],"for":[48,56,115,212],"branches":[50,185],"following":[51],"one.":[54],"Predictions":[55],"and":[60,88,214,224],"ones":[62],"follow":[64],"are":[65,73],"collectively":[66],"known":[67],"as":[68],"branch's":[70,86],"future.":[71,80],"They":[72],"actually":[74],"prophecy,":[76],"predicted":[78],"critic":[82],"both":[84,222],"future":[89],"give":[91],"critique":[93],"prophet's":[96],"prediction":[97,114],"fo":[98],"critique,":[103],"agree":[105],"disagree,":[107],"used":[109],"generate":[111],"final":[113],"Our":[118],"results":[119],"show":[120],"an":[121],"8K":[122,124],"+":[123],"byte":[125,135],"39%":[129],"fewer":[130],"mispredicts":[131,165],"than":[132],"16K":[134],"2Bc":[136],"-":[137,151],"gskew":[138],"predictor-a":[139],"similar":[141],"proposed":[146],"Compaq*":[147],"Alpha*":[148],"EV8":[149],"processor":[150],"across":[152],"wide":[154],"range":[155],"applications.":[157],"distance":[159],"between":[160],"pipeline":[161],"flushes":[162],"due":[163],"increases":[166],"from":[167,187],"one":[168,175],"flush":[169],"per":[170,176],"418":[171],"micro-operations":[172],"(uops)":[173],"680":[177],"uops.":[178],"For":[179],"gcc,":[180],"percentage":[182],"mispredicted":[184],"drops":[186],"3.11%":[188],"1.23%.":[190],"On":[191],"machine":[193],"based":[194],"on":[195],"Intel/spl":[197],"reg/":[198,200],"Pentium/spl":[199],"4":[201],"processor,":[202],"this":[203],"improves":[204],"uPC":[205],"(Uops":[206],"Per":[207],"Cycle)":[208],"by":[209,227],"7.8%":[210],"(18%":[211],"gcc)":[213],"reduces":[215],"number":[217],"uops":[219],"fetched":[220],"(along":[221],"correct":[223],"incorrect":[225],"paths)":[226],"8.6%.":[228]},"counts_by_year":[{"year":2025,"cited_by_count":1},{"year":2023,"cited_by_count":1},{"year":2020,"cited_by_count":1}],"updated_date":"2026-03-20T23:20:44.827607","created_date":"2025-10-10T00:00:00"}
