{"id":"https://openalex.org/W2943017590","doi":"https://doi.org/10.1109/lca.2019.2910518","title":"Precise Runahead Execution","display_name":"Precise Runahead Execution","publication_year":2019,"publication_date":"2019-01-01","ids":{"openalex":"https://openalex.org/W2943017590","doi":"https://doi.org/10.1109/lca.2019.2910518","mag":"2943017590"},"language":"en","primary_location":{"id":"doi:10.1109/lca.2019.2910518","is_oa":false,"landing_page_url":"https://doi.org/10.1109/lca.2019.2910518","pdf_url":null,"source":{"id":"https://openalex.org/S17643076","display_name":"IEEE Computer Architecture Letters","issn_l":"1556-6056","issn":["1556-6056","1556-6064","2473-2575"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310319808","host_organization_name":"Institute of Electrical and Electronics Engineers","host_organization_lineage":["https://openalex.org/P4310319808"],"host_organization_lineage_names":["Institute of Electrical and Electronics Engineers"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEEE Computer Architecture Letters","raw_type":"journal-article"},"type":"article","indexed_in":["crossref"],"open_access":{"is_oa":true,"oa_status":"green","oa_url":"http://hdl.handle.net/1854/LU-8615498","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5043018563","display_name":"Ajeya Naithani","orcid":"https://orcid.org/0000-0002-8291-4230"},"institutions":[{"id":"https://openalex.org/I32597200","display_name":"Ghent University","ror":"https://ror.org/00cv9y106","country_code":"BE","type":"education","lineage":["https://openalex.org/I32597200"]}],"countries":["BE"],"is_corresponding":false,"raw_author_name":"Ajeya Naithani","raw_affiliation_strings":["Ghent University, Gent, Belgium"],"raw_orcid":"https://orcid.org/0000-0002-8291-4230","affiliations":[{"raw_affiliation_string":"Ghent University, Gent, Belgium","institution_ids":["https://openalex.org/I32597200"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5032643413","display_name":"Josu\u00e9 Feliu","orcid":"https://orcid.org/0000-0003-3017-4266"},"institutions":[{"id":"https://openalex.org/I60053951","display_name":"Universitat Polit\u00e8cnica de Val\u00e8ncia","ror":"https://ror.org/01460j859","country_code":"ES","type":"education","lineage":["https://openalex.org/I60053951"]}],"countries":["ES"],"is_corresponding":false,"raw_author_name":"Josue Feliu","raw_affiliation_strings":["Universitat Polit\u00e9cnica de Val\u00e9ncia, Val\u00e9ncia, Spain"],"raw_orcid":"https://orcid.org/0000-0003-3017-4266","affiliations":[{"raw_affiliation_string":"Universitat Polit\u00e9cnica de Val\u00e9ncia, Val\u00e9ncia, Spain","institution_ids":["https://openalex.org/I60053951"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5051062138","display_name":"Almutaz Adileh","orcid":"https://orcid.org/0000-0002-4656-6523"},"institutions":[{"id":"https://openalex.org/I32597200","display_name":"Ghent University","ror":"https://ror.org/00cv9y106","country_code":"BE","type":"education","lineage":["https://openalex.org/I32597200"]}],"countries":["BE"],"is_corresponding":false,"raw_author_name":"Almutaz Adileh","raw_affiliation_strings":["Ghent University, Gent, Belgium"],"raw_orcid":"https://orcid.org/0000-0002-4656-6523","affiliations":[{"raw_affiliation_string":"Ghent University, Gent, Belgium","institution_ids":["https://openalex.org/I32597200"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5033119975","display_name":"Lieven Eeckhout","orcid":"https://orcid.org/0000-0001-8792-4473"},"institutions":[{"id":"https://openalex.org/I32597200","display_name":"Ghent University","ror":"https://ror.org/00cv9y106","country_code":"BE","type":"education","lineage":["https://openalex.org/I32597200"]}],"countries":["BE"],"is_corresponding":false,"raw_author_name":"Lieven Eeckhout","raw_affiliation_strings":["Ghent University, Gent, Belgium"],"raw_orcid":"https://orcid.org/0000-0001-8792-4473","affiliations":[{"raw_affiliation_string":"Ghent University, Gent, Belgium","institution_ids":["https://openalex.org/I32597200"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":2,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":0.4788,"has_fulltext":false,"cited_by_count":5,"citation_normalized_percentile":{"value":0.58583179,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":89,"max":97},"biblio":{"volume":"18","issue":"1","first_page":"71","last_page":"74"},"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/T10502","display_name":"Advanced Memory and Neural Computing","score":0.998199999332428,"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/T11181","display_name":"Advanced Data Storage Technologies","score":0.998199999332428,"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/instruction-prefetch","display_name":"Instruction prefetch","score":0.9445697069168091},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.9037065505981445},{"id":"https://openalex.org/keywords/latency","display_name":"Latency (audio)","score":0.7048807740211487},{"id":"https://openalex.org/keywords/pipeline","display_name":"Pipeline (software)","score":0.5949137210845947},{"id":"https://openalex.org/keywords/energy-consumption","display_name":"Energy consumption","score":0.5442143082618713},{"id":"https://openalex.org/keywords/embedded-system","display_name":"Embedded system","score":0.5117533206939697},{"id":"https://openalex.org/keywords/execution-time","display_name":"Execution time","score":0.4982783794403076},{"id":"https://openalex.org/keywords/efficient-energy-use","display_name":"Efficient energy use","score":0.4973891079425812},{"id":"https://openalex.org/keywords/out-of-order-execution","display_name":"Out-of-order execution","score":0.494564026594162},{"id":"https://openalex.org/keywords/operating-system","display_name":"Operating system","score":0.47641289234161377},{"id":"https://openalex.org/keywords/microarchitecture","display_name":"Microarchitecture","score":0.46055662631988525},{"id":"https://openalex.org/keywords/parallel-computing","display_name":"Parallel computing","score":0.39771315455436707},{"id":"https://openalex.org/keywords/real-time-computing","display_name":"Real-time computing","score":0.32975122332572937},{"id":"https://openalex.org/keywords/cache","display_name":"Cache","score":0.09606301784515381}],"concepts":[{"id":"https://openalex.org/C133588205","wikidata":"https://www.wikidata.org/wiki/Q28455645","display_name":"Instruction prefetch","level":3,"score":0.9445697069168091},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.9037065505981445},{"id":"https://openalex.org/C82876162","wikidata":"https://www.wikidata.org/wiki/Q17096504","display_name":"Latency (audio)","level":2,"score":0.7048807740211487},{"id":"https://openalex.org/C43521106","wikidata":"https://www.wikidata.org/wiki/Q2165493","display_name":"Pipeline (software)","level":2,"score":0.5949137210845947},{"id":"https://openalex.org/C2780165032","wikidata":"https://www.wikidata.org/wiki/Q16869822","display_name":"Energy consumption","level":2,"score":0.5442143082618713},{"id":"https://openalex.org/C149635348","wikidata":"https://www.wikidata.org/wiki/Q193040","display_name":"Embedded system","level":1,"score":0.5117533206939697},{"id":"https://openalex.org/C2989134064","wikidata":"https://www.wikidata.org/wiki/Q288510","display_name":"Execution time","level":2,"score":0.4982783794403076},{"id":"https://openalex.org/C2742236","wikidata":"https://www.wikidata.org/wiki/Q924713","display_name":"Efficient energy use","level":2,"score":0.4973891079425812},{"id":"https://openalex.org/C1793878","wikidata":"https://www.wikidata.org/wiki/Q1153762","display_name":"Out-of-order execution","level":2,"score":0.494564026594162},{"id":"https://openalex.org/C111919701","wikidata":"https://www.wikidata.org/wiki/Q9135","display_name":"Operating system","level":1,"score":0.47641289234161377},{"id":"https://openalex.org/C107598950","wikidata":"https://www.wikidata.org/wiki/Q259864","display_name":"Microarchitecture","level":2,"score":0.46055662631988525},{"id":"https://openalex.org/C173608175","wikidata":"https://www.wikidata.org/wiki/Q232661","display_name":"Parallel computing","level":1,"score":0.39771315455436707},{"id":"https://openalex.org/C79403827","wikidata":"https://www.wikidata.org/wiki/Q3988","display_name":"Real-time computing","level":1,"score":0.32975122332572937},{"id":"https://openalex.org/C115537543","wikidata":"https://www.wikidata.org/wiki/Q165596","display_name":"Cache","level":2,"score":0.09606301784515381},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.0},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.0},{"id":"https://openalex.org/C86803240","wikidata":"https://www.wikidata.org/wiki/Q420","display_name":"Biology","level":0,"score":0.0},{"id":"https://openalex.org/C18903297","wikidata":"https://www.wikidata.org/wiki/Q7150","display_name":"Ecology","level":1,"score":0.0},{"id":"https://openalex.org/C119599485","wikidata":"https://www.wikidata.org/wiki/Q43035","display_name":"Electrical engineering","level":1,"score":0.0}],"mesh":[],"locations_count":4,"locations":[{"id":"doi:10.1109/lca.2019.2910518","is_oa":false,"landing_page_url":"https://doi.org/10.1109/lca.2019.2910518","pdf_url":null,"source":{"id":"https://openalex.org/S17643076","display_name":"IEEE Computer Architecture Letters","issn_l":"1556-6056","issn":["1556-6056","1556-6064","2473-2575"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310319808","host_organization_name":"Institute of Electrical and Electronics Engineers","host_organization_lineage":["https://openalex.org/P4310319808"],"host_organization_lineage_names":["Institute of Electrical and Electronics Engineers"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEEE Computer Architecture Letters","raw_type":"journal-article"},{"id":"pmh:oai:archive.ugent.be:8625901","is_oa":false,"landing_page_url":"https://biblio.ugent.be/publication/8625901","pdf_url":null,"source":{"id":"https://openalex.org/S4306400478","display_name":"Ghent University Academic Bibliography (Ghent University)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I32597200","host_organization_name":"Ghent University","host_organization_lineage":["https://openalex.org/I32597200"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEEE Computer Architecture Letters","raw_type":"info:eu-repo/semantics/article"},{"id":"pmh:oai:archive.ugent.be:8615498","is_oa":true,"landing_page_url":"http://hdl.handle.net/1854/LU-8615498","pdf_url":null,"source":{"id":"https://openalex.org/S4306400478","display_name":"Ghent University Academic Bibliography (Ghent University)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I32597200","host_organization_name":"Ghent University","host_organization_lineage":["https://openalex.org/I32597200"],"host_organization_lineage_names":[],"type":"repository"},"license":"other-oa","license_id":"https://openalex.org/licenses/other-oa","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"ISSN: 1556-6064","raw_type":"info:eu-repo/semantics/article"},{"id":"pmh:oai:riunet.upv.es:10251/157199","is_oa":true,"landing_page_url":"http://hdl.handle.net/10251/157199","pdf_url":null,"source":{"id":"https://openalex.org/S4306400639","display_name":"RiuNet (Universitat Polit\u00e8cnica de Val\u00e8ncia)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I60053951","host_organization_name":"Universitat Polit\u00e8cnica de Val\u00e8ncia","host_organization_lineage":["https://openalex.org/I60053951"],"host_organization_lineage_names":[],"type":"repository"},"license":"cc-by-nc-nd","license_id":"https://openalex.org/licenses/cc-by-nc-nd","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"","raw_type":"info:eu-repo/semantics/article"}],"best_oa_location":{"id":"pmh:oai:archive.ugent.be:8615498","is_oa":true,"landing_page_url":"http://hdl.handle.net/1854/LU-8615498","pdf_url":null,"source":{"id":"https://openalex.org/S4306400478","display_name":"Ghent University Academic Bibliography (Ghent University)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I32597200","host_organization_name":"Ghent University","host_organization_lineage":["https://openalex.org/I32597200"],"host_organization_lineage_names":[],"type":"repository"},"license":"other-oa","license_id":"https://openalex.org/licenses/other-oa","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"ISSN: 1556-6064","raw_type":"info:eu-repo/semantics/article"},"sustainable_development_goals":[{"id":"https://metadata.un.org/sdg/7","display_name":"Affordable and clean energy","score":0.9200000166893005}],"awards":[{"id":"https://openalex.org/G3782881470","display_name":"Load Slice Core: A Power and Cost-Efficient Microarchitecture for the Future","funder_award_id":"741097","funder_id":"https://openalex.org/F4320338335","funder_display_name":"H2020 European Research Council"}],"funders":[{"id":"https://openalex.org/F4320338335","display_name":"H2020 European Research Council","ror":"https://ror.org/0472cxd90"}],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":12,"referenced_works":["https://openalex.org/W2067354926","https://openalex.org/W2123608497","https://openalex.org/W2153456949","https://openalex.org/W2154001575","https://openalex.org/W2167100385","https://openalex.org/W2170382128","https://openalex.org/W2237666531","https://openalex.org/W2748573297","https://openalex.org/W2795131575","https://openalex.org/W3148444620","https://openalex.org/W4232096869","https://openalex.org/W4245851057"],"related_works":["https://openalex.org/W2045913108","https://openalex.org/W2155979007","https://openalex.org/W2467393770","https://openalex.org/W2111412181","https://openalex.org/W3091730480","https://openalex.org/W2393741509","https://openalex.org/W2120628323","https://openalex.org/W4255052811","https://openalex.org/W2135830134","https://openalex.org/W3080121899"],"abstract_inverted_index":{"Runahead":[0],"execution":[1,153],"improves":[2],"processor":[3,27,185],"performance":[4,89,117,210],"by":[5,134,221],"accurately":[6],"prefetching":[7],"long-latency":[8,13,52,147,175],"memory":[9],"accesses.":[10],"When":[11],"a":[12,57,137,179],"load":[14],"causes":[15],"the":[16,24,26,44,51,69,96,107,116,121,145,157,164,170,189,198,213],"instruction":[17,98,191],"window":[18,99],"to":[19,36,50,100,109,144,155,167,174,182,187],"fill":[20],"up":[21],"and":[22,31,60,90,104,119],"halt":[23],"pipeline,":[25],"enters":[28],"runahead":[29,58,66,77,83,102,125,129,152,194,215],"mode":[30,103,195],"keeps":[32],"speculatively":[33],"executing":[34],"code":[35],"trigger":[37],"accurate":[38],"prefetches.":[39],"A":[40],"recent":[41,214],"improvement":[42,211],"tracks":[43],"chain":[45,64,139],"of":[46,71,124,140,159],"instructions":[47,141],"that":[48,87,142,203],"leads":[49],"load,":[53],"stores":[54],"it":[55],"in":[56,193],"buffer,":[59],"executes":[61],"only":[62,136],"this":[63],"during":[65,76],"execution,":[67],"with":[68],"purpose":[70],"generating":[72],"more":[73],"prefetch":[74,132],"requests":[75],"execution.":[78,126],"Unfortunately,":[79],"all":[80,169],"these":[81],"prior":[82,160],"proposals":[84,216],"have":[85],"shortcomings":[86,158],"limit":[88],"energy":[91,122,219],"efficiency":[92],"because":[93],"they":[94],"discard":[95],"full":[97],"enter":[101],"then":[105],"flush":[106],"pipeline":[108],"restart":[110],"normal":[111],"operation.":[112],"This":[113],"significantly":[114],"constrains":[115],"benefits":[118],"increases":[120],"overhead":[123],"In":[127],"addition,":[128],"buffer":[130],"limits":[131],"coverage":[133],"tracking":[135],"single":[138],"lead":[143],"same":[146],"load.":[148],"We":[149],"propose":[150],"precise":[151],"(PRE)":[154],"mitigate":[156],"work.":[161],"PRE":[162,177,204],"leverages":[163],"renaming":[165],"unit":[166],"track":[168],"dependency":[171],"chains":[172,192],"leading":[173],"loads.":[176],"uses":[178],"novel":[180],"approach":[181],"manage":[183],"free":[184],"resources":[186],"execute":[188],"detected":[190],"without":[196],"flushing":[197],"pipeline.":[199],"Our":[200],"results":[201],"show":[202],"achieves":[205],"an":[206],"additional":[207],"21.1":[208],"percent":[209],"over":[212],"while":[217],"reducing":[218],"consumption":[220],"6.1":[222],"percent.":[223]},"counts_by_year":[{"year":2026,"cited_by_count":1},{"year":2024,"cited_by_count":1},{"year":2023,"cited_by_count":1},{"year":2021,"cited_by_count":1},{"year":2020,"cited_by_count":1}],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}