{"id":"https://openalex.org/W3208243977","doi":"https://doi.org/10.1145/3468081.3471120","title":"Reducing the Repairing Penalty on Misspeculation in Thread-Level Speculation","display_name":"Reducing the Repairing Penalty on Misspeculation in Thread-Level Speculation","publication_year":2021,"publication_date":"2021-06-20","ids":{"openalex":"https://openalex.org/W3208243977","doi":"https://doi.org/10.1145/3468081.3471120","mag":"3208243977"},"language":"en","primary_location":{"id":"doi:10.1145/3468081.3471120","is_oa":false,"landing_page_url":"https://doi.org/10.1145/3468081.3471120","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Proceedings of the the 8th International Virtual Conference on Applied Computing &amp; Information Technology","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/A5053292771","display_name":"Hiroaki Hirata","orcid":"https://orcid.org/0000-0002-1382-4928"},"institutions":[{"id":"https://openalex.org/I27429435","display_name":"Kyoto Institute of Technology","ror":"https://ror.org/00965ax52","country_code":"JP","type":"education","lineage":["https://openalex.org/I27429435"]}],"countries":["JP"],"is_corresponding":true,"raw_author_name":"Hiroaki Hirata","raw_affiliation_strings":["Kyoto Institute of Technology, Japan"],"affiliations":[{"raw_affiliation_string":"Kyoto Institute of Technology, Japan","institution_ids":["https://openalex.org/I27429435"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5030854829","display_name":"Atsushi Nunome","orcid":"https://orcid.org/0000-0003-1911-3075"},"institutions":[{"id":"https://openalex.org/I27429435","display_name":"Kyoto Institute of Technology","ror":"https://ror.org/00965ax52","country_code":"JP","type":"education","lineage":["https://openalex.org/I27429435"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Atsushi Nunome","raw_affiliation_strings":["Kyoto Institute of Technology, Japan"],"affiliations":[{"raw_affiliation_string":"Kyoto Institute of Technology, Japan","institution_ids":["https://openalex.org/I27429435"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":2,"corresponding_author_ids":["https://openalex.org/A5053292771"],"corresponding_institution_ids":["https://openalex.org/I27429435"],"apc_list":null,"apc_paid":null,"fwci":0.3056,"has_fulltext":false,"cited_by_count":3,"citation_normalized_percentile":{"value":0.60560947,"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":"39","last_page":"45"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10772","display_name":"Distributed systems and fault tolerance","score":0.9998999834060669,"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/T10772","display_name":"Distributed systems and fault tolerance","score":0.9998999834060669,"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/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/T11005","display_name":"Radiation Effects in Electronics","score":0.9986000061035156,"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/computer-science","display_name":"Computer science","score":0.8907644748687744},{"id":"https://openalex.org/keywords/programmer","display_name":"Programmer","score":0.7815534472465515},{"id":"https://openalex.org/keywords/speculative-execution","display_name":"Speculative execution","score":0.7130250930786133},{"id":"https://openalex.org/keywords/speculative-multithreading","display_name":"Speculative multithreading","score":0.6537957191467285},{"id":"https://openalex.org/keywords/correctness","display_name":"Correctness","score":0.5649987459182739},{"id":"https://openalex.org/keywords/operating-system","display_name":"Operating system","score":0.49469801783561707},{"id":"https://openalex.org/keywords/task","display_name":"Task (project management)","score":0.4834233522415161},{"id":"https://openalex.org/keywords/thread","display_name":"Thread (computing)","score":0.4635789692401886},{"id":"https://openalex.org/keywords/overhead","display_name":"Overhead (engineering)","score":0.456781268119812},{"id":"https://openalex.org/keywords/parallel-computing","display_name":"Parallel computing","score":0.4510951042175293},{"id":"https://openalex.org/keywords/distributed-computing","display_name":"Distributed computing","score":0.4097588062286377},{"id":"https://openalex.org/keywords/multithreading","display_name":"Multithreading","score":0.3657630383968353},{"id":"https://openalex.org/keywords/embedded-system","display_name":"Embedded system","score":0.36042553186416626},{"id":"https://openalex.org/keywords/programming-language","display_name":"Programming language","score":0.286226361989975}],"concepts":[{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.8907644748687744},{"id":"https://openalex.org/C2778514511","wikidata":"https://www.wikidata.org/wiki/Q1374194","display_name":"Programmer","level":2,"score":0.7815534472465515},{"id":"https://openalex.org/C141331961","wikidata":"https://www.wikidata.org/wiki/Q2164465","display_name":"Speculative execution","level":2,"score":0.7130250930786133},{"id":"https://openalex.org/C15296174","wikidata":"https://www.wikidata.org/wiki/Q7575343","display_name":"Speculative multithreading","level":4,"score":0.6537957191467285},{"id":"https://openalex.org/C55439883","wikidata":"https://www.wikidata.org/wiki/Q360812","display_name":"Correctness","level":2,"score":0.5649987459182739},{"id":"https://openalex.org/C111919701","wikidata":"https://www.wikidata.org/wiki/Q9135","display_name":"Operating system","level":1,"score":0.49469801783561707},{"id":"https://openalex.org/C2780451532","wikidata":"https://www.wikidata.org/wiki/Q759676","display_name":"Task (project management)","level":2,"score":0.4834233522415161},{"id":"https://openalex.org/C138101251","wikidata":"https://www.wikidata.org/wiki/Q213092","display_name":"Thread (computing)","level":2,"score":0.4635789692401886},{"id":"https://openalex.org/C2779960059","wikidata":"https://www.wikidata.org/wiki/Q7113681","display_name":"Overhead (engineering)","level":2,"score":0.456781268119812},{"id":"https://openalex.org/C173608175","wikidata":"https://www.wikidata.org/wiki/Q232661","display_name":"Parallel computing","level":1,"score":0.4510951042175293},{"id":"https://openalex.org/C120314980","wikidata":"https://www.wikidata.org/wiki/Q180634","display_name":"Distributed computing","level":1,"score":0.4097588062286377},{"id":"https://openalex.org/C201410400","wikidata":"https://www.wikidata.org/wiki/Q1064412","display_name":"Multithreading","level":3,"score":0.3657630383968353},{"id":"https://openalex.org/C149635348","wikidata":"https://www.wikidata.org/wiki/Q193040","display_name":"Embedded system","level":1,"score":0.36042553186416626},{"id":"https://openalex.org/C199360897","wikidata":"https://www.wikidata.org/wiki/Q9143","display_name":"Programming language","level":1,"score":0.286226361989975},{"id":"https://openalex.org/C162324750","wikidata":"https://www.wikidata.org/wiki/Q8134","display_name":"Economics","level":0,"score":0.0},{"id":"https://openalex.org/C187736073","wikidata":"https://www.wikidata.org/wiki/Q2920921","display_name":"Management","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1145/3468081.3471120","is_oa":false,"landing_page_url":"https://doi.org/10.1145/3468081.3471120","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Proceedings of the the 8th International Virtual Conference on Applied Computing &amp; Information Technology","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[{"display_name":"Peace, Justice and strong institutions","score":0.5,"id":"https://metadata.un.org/sdg/16"}],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":38,"referenced_works":["https://openalex.org/W11234669","https://openalex.org/W57774551","https://openalex.org/W1569348226","https://openalex.org/W1815088304","https://openalex.org/W1990941549","https://openalex.org/W2002549773","https://openalex.org/W2029171059","https://openalex.org/W2037462607","https://openalex.org/W2104696904","https://openalex.org/W2105121389","https://openalex.org/W2112752650","https://openalex.org/W2116170858","https://openalex.org/W2117475792","https://openalex.org/W2120230074","https://openalex.org/W2136674263","https://openalex.org/W2144037940","https://openalex.org/W2152475836","https://openalex.org/W2152657019","https://openalex.org/W2155166682","https://openalex.org/W2164579444","https://openalex.org/W2166073523","https://openalex.org/W2179235191","https://openalex.org/W2270495481","https://openalex.org/W2300497584","https://openalex.org/W2517682081","https://openalex.org/W2752704620","https://openalex.org/W2911971859","https://openalex.org/W2913452630","https://openalex.org/W2995610945","https://openalex.org/W3030591010","https://openalex.org/W3145491929","https://openalex.org/W4206561618","https://openalex.org/W4236957397","https://openalex.org/W4242153477","https://openalex.org/W4253795537","https://openalex.org/W4254439475","https://openalex.org/W4255860358","https://openalex.org/W4376272906"],"related_works":["https://openalex.org/W2105895556","https://openalex.org/W2115561485","https://openalex.org/W1985089255","https://openalex.org/W2153202644","https://openalex.org/W2371844484","https://openalex.org/W4235861380","https://openalex.org/W2106625514","https://openalex.org/W2765149243","https://openalex.org/W2010970156","https://openalex.org/W2124997519"],"abstract_inverted_index":{"We":[0,121,151],"have":[1],"been":[2],"developing":[3],"a":[4,41,83,105,117,124,161,165],"software-based":[5],"Speculative":[6],"Memory":[7],"(SM)":[8],"library":[9,158],"to":[10,27,107,109,127,145],"enlarge":[11],"the":[12,50,53,60,63,101,111,129,132,147,153,173,182,186],"opportunity":[13],"for":[14],"program":[15,163],"parallelization.":[16],"It":[17],"enables":[18],"tasks":[19],"having":[20],"possible":[21],"unknown":[22],"dependencies":[23,36,44],"on":[24],"each":[25],"other":[26,138],"be":[28],"executed":[29],"speculatively":[30],"in":[31,78],"parallel":[32],"while":[33,103],"dynamically":[34],"inspecting":[35],"among":[37],"those":[38],"tasks.":[39],"When":[40],"violation":[42],"of":[43,52,62,91,113,131,149,155,175,185],"(misspeculation)":[45],"is":[46,95],"detected,":[47],"it":[48],"aborts":[49],"execution":[51,134],"violating":[54],"task":[55,64],"and":[56,119,181],"re-executes":[57],"it.":[58],"But":[59],"re-execution":[61],"from":[65],"its":[66],"beginning":[67],"may":[68],"bring":[69],"large":[70],"performance":[71,154],"losses.":[72],"To":[73],"reduce":[74,110],"such":[75],"losses,":[76],"therefore,":[77],"this":[79],"paper,":[80],"we":[81,99,170],"introduced":[82],"checkpoint":[84,92,118,178],"repair":[85,93,179],"mechanism":[86,102,180],"into":[87],"SM.":[88],"The":[89],"idea":[90],"itself":[94],"not":[96],"new,":[97],"but":[98],"implemented":[100],"enabling":[104],"programmer":[106],"optimize":[108],"overhead":[112],"data":[114],"saving":[115],"at":[116],"repairing.":[120],"also":[122],"present":[123],"programming":[125],"technique":[126],"enhance":[128],"quality":[130,183],"speculative":[133,187],"result":[135],"by":[136,159],"using":[137,160],"task\u2019s":[139],"uncommitted":[140],"data.":[141],"This":[142],"can":[143],"contribute":[144],"reducing":[146],"frequency":[148],"aborts.":[150],"evaluated":[152],"our":[156,177],"SSM":[157],"sample":[162],"constructing":[164],"binary":[166],"search":[167],"tree.":[168],"Consequently,":[169],"could":[171],"verify":[172],"effectiveness":[174],"both":[176],"enhancement":[184],"execution.":[188]},"counts_by_year":[{"year":2025,"cited_by_count":1},{"year":2023,"cited_by_count":1},{"year":2022,"cited_by_count":1}],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}
