{"id":"https://openalex.org/W2003672926","doi":"https://doi.org/10.1145/1011508.1011512","title":"Optimistic register coalescing","display_name":"Optimistic register coalescing","publication_year":2004,"publication_date":"2004-07-01","ids":{"openalex":"https://openalex.org/W2003672926","doi":"https://doi.org/10.1145/1011508.1011512","mag":"2003672926"},"language":"en","primary_location":{"id":"doi:10.1145/1011508.1011512","is_oa":true,"landing_page_url":"https://doi.org/10.1145/1011508.1011512","pdf_url":"https://dl.acm.org/doi/pdf/10.1145/1011508.1011512","source":{"id":"https://openalex.org/S41449414","display_name":"ACM Transactions on Programming Languages and Systems","issn_l":"0164-0925","issn":["0164-0925","1558-4593"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310319798","host_organization_name":"Association for Computing Machinery","host_organization_lineage":["https://openalex.org/P4310319798"],"host_organization_lineage_names":["Association for Computing Machinery"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"ACM Transactions on Programming Languages and Systems","raw_type":"journal-article"},"type":"article","indexed_in":["crossref"],"open_access":{"is_oa":true,"oa_status":"bronze","oa_url":"https://dl.acm.org/doi/pdf/10.1145/1011508.1011512","any_repository_has_fulltext":false},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5010588616","display_name":"Jinpyo Park","orcid":null},"institutions":[{"id":"https://openalex.org/I139264467","display_name":"Seoul National University","ror":"https://ror.org/04h9pn542","country_code":"KR","type":"education","lineage":["https://openalex.org/I139264467"]}],"countries":["KR"],"is_corresponding":false,"raw_author_name":"Jinpyo Park","raw_affiliation_strings":["Seoul National University, Seoul, Korea"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Seoul National University, Seoul, Korea","institution_ids":["https://openalex.org/I139264467"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5028446029","display_name":"Soo\u2010Mook Moon","orcid":"https://orcid.org/0000-0001-6550-5278"},"institutions":[{"id":"https://openalex.org/I139264467","display_name":"Seoul National University","ror":"https://ror.org/04h9pn542","country_code":"KR","type":"education","lineage":["https://openalex.org/I139264467"]}],"countries":["KR"],"is_corresponding":false,"raw_author_name":"Soo-Mook Moon","raw_affiliation_strings":["Seoul National University, Seoul, Korea"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Seoul National University, Seoul, Korea","institution_ids":["https://openalex.org/I139264467"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":2,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":4.9269,"has_fulltext":true,"cited_by_count":51,"citation_normalized_percentile":{"value":0.94552648,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":89,"max":98},"biblio":{"volume":"26","issue":"4","first_page":"735","last_page":"765"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10743","display_name":"Software Testing and Debugging Techniques","score":0.992900013923645,"subfield":{"id":"https://openalex.org/subfields/1712","display_name":"Software"},"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/T10743","display_name":"Software Testing and Debugging Techniques","score":0.992900013923645,"subfield":{"id":"https://openalex.org/subfields/1712","display_name":"Software"},"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":0.9835000038146973,"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/T11241","display_name":"Advanced Malware Detection Techniques","score":0.9775999784469604,"subfield":{"id":"https://openalex.org/subfields/1711","display_name":"Signal Processing"},"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/computer-science","display_name":"Computer science","score":0.8371561765670776},{"id":"https://openalex.org/keywords/heuristics","display_name":"Heuristics","score":0.5708234310150146},{"id":"https://openalex.org/keywords/graph","display_name":"Graph","score":0.5351748466491699},{"id":"https://openalex.org/keywords/allocator","display_name":"Allocator","score":0.5094156861305237},{"id":"https://openalex.org/keywords/theoretical-computer-science","display_name":"Theoretical computer science","score":0.4461723268032074},{"id":"https://openalex.org/keywords/distributed-computing","display_name":"Distributed computing","score":0.42416203022003174},{"id":"https://openalex.org/keywords/parallel-computing","display_name":"Parallel computing","score":0.34264349937438965},{"id":"https://openalex.org/keywords/operating-system","display_name":"Operating system","score":0.11042052507400513}],"concepts":[{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.8371561765670776},{"id":"https://openalex.org/C127705205","wikidata":"https://www.wikidata.org/wiki/Q5748245","display_name":"Heuristics","level":2,"score":0.5708234310150146},{"id":"https://openalex.org/C132525143","wikidata":"https://www.wikidata.org/wiki/Q141488","display_name":"Graph","level":2,"score":0.5351748466491699},{"id":"https://openalex.org/C162262903","wikidata":"https://www.wikidata.org/wiki/Q343527","display_name":"Allocator","level":2,"score":0.5094156861305237},{"id":"https://openalex.org/C80444323","wikidata":"https://www.wikidata.org/wiki/Q2878974","display_name":"Theoretical computer science","level":1,"score":0.4461723268032074},{"id":"https://openalex.org/C120314980","wikidata":"https://www.wikidata.org/wiki/Q180634","display_name":"Distributed computing","level":1,"score":0.42416203022003174},{"id":"https://openalex.org/C173608175","wikidata":"https://www.wikidata.org/wiki/Q232661","display_name":"Parallel computing","level":1,"score":0.34264349937438965},{"id":"https://openalex.org/C111919701","wikidata":"https://www.wikidata.org/wiki/Q9135","display_name":"Operating system","level":1,"score":0.11042052507400513}],"mesh":[],"locations_count":3,"locations":[{"id":"doi:10.1145/1011508.1011512","is_oa":true,"landing_page_url":"https://doi.org/10.1145/1011508.1011512","pdf_url":"https://dl.acm.org/doi/pdf/10.1145/1011508.1011512","source":{"id":"https://openalex.org/S41449414","display_name":"ACM Transactions on Programming Languages and Systems","issn_l":"0164-0925","issn":["0164-0925","1558-4593"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310319798","host_organization_name":"Association for Computing Machinery","host_organization_lineage":["https://openalex.org/P4310319798"],"host_organization_lineage_names":["Association for Computing Machinery"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"ACM Transactions on Programming Languages and Systems","raw_type":"journal-article"},{"id":"pmh:oai:CiteSeerX.psu:10.1.1.33.9438","is_oa":false,"landing_page_url":"http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.33.9438","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"http://www.cse.ucsd.edu/classes/sp00/cse231/jp-pact98.ps","raw_type":"text"},{"id":"pmh:oai:CiteSeerX.psu:10.1.1.39.7615","is_oa":false,"landing_page_url":"http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.39.7615","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"http://altair.snu.ac.kr/~smoon/jp.ps.gz","raw_type":"text"}],"best_oa_location":{"id":"doi:10.1145/1011508.1011512","is_oa":true,"landing_page_url":"https://doi.org/10.1145/1011508.1011512","pdf_url":"https://dl.acm.org/doi/pdf/10.1145/1011508.1011512","source":{"id":"https://openalex.org/S41449414","display_name":"ACM Transactions on Programming Languages and Systems","issn_l":"0164-0925","issn":["0164-0925","1558-4593"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310319798","host_organization_name":"Association for Computing Machinery","host_organization_lineage":["https://openalex.org/P4310319798"],"host_organization_lineage_names":["Association for Computing Machinery"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"ACM Transactions on Programming Languages and Systems","raw_type":"journal-article"},"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"grobid_xml":true,"pdf":true},"content_urls":{"pdf":"https://content.openalex.org/works/W2003672926.pdf","grobid_xml":"https://content.openalex.org/works/W2003672926.grobid-xml"},"referenced_works_count":21,"referenced_works":["https://openalex.org/W1498962072","https://openalex.org/W1511846405","https://openalex.org/W1584951182","https://openalex.org/W1982205631","https://openalex.org/W2023200270","https://openalex.org/W2034393996","https://openalex.org/W2042602507","https://openalex.org/W2044636417","https://openalex.org/W2065139142","https://openalex.org/W2065941861","https://openalex.org/W2066202680","https://openalex.org/W2069329354","https://openalex.org/W2091021683","https://openalex.org/W2101483132","https://openalex.org/W2118866757","https://openalex.org/W2142550124","https://openalex.org/W2157699358","https://openalex.org/W2157758640","https://openalex.org/W2167822297","https://openalex.org/W2913256600","https://openalex.org/W3148529197"],"related_works":["https://openalex.org/W4252124899","https://openalex.org/W4250204977","https://openalex.org/W2043640140","https://openalex.org/W2122690624","https://openalex.org/W4361194010","https://openalex.org/W1974716894","https://openalex.org/W4376862083","https://openalex.org/W4312676584","https://openalex.org/W1974272726","https://openalex.org/W2016931788"],"abstract_inverted_index":{"Graph-coloring":[0],"register":[1],"allocators":[2],"eliminate":[3],"copies":[4],"by":[5,106],"coalescing":[6,49,60,63,66,76,83,97,133,145],"the":[7,21,30,33,69,94,101,104,108,118,141,178],"source":[8,119],"and":[9,120],"target":[10,121],"nodes":[11,43,112,122],"of":[12,32,44,55,103,110,144,169,172],"a":[13,40,128,149,166],"copy":[14],"if":[15],"they":[16,92],"do":[17],"not":[18],"interfere":[19],"in":[20],"interference":[22],"graph.":[23],"Coalescing,":[24],"however,":[25],"can":[26,176],"be":[27,89,154],"harmful":[28],"to":[29,38,88,153],"colorability":[31,102],"graph":[34,41,105],"because":[35],"it":[36,156],"tends":[37],"yield":[39],"with":[42,116],"higher":[45],"degrees.":[46],"Unlike":[47],"aggressive":[48,137],",":[50],"which":[51,134],"coalesces":[52],"any":[53],"pair":[54],"noninterfering":[56],"copy-related":[57],"nodes,":[58],"conservative":[59],"or":[61],"iterated":[62],"perform":[64],"safe":[65],"that":[67,84,96,113],"preserves":[68],"colorability.":[70],"Unfortunately,":[71],"these":[72],"heuristics":[73],"give":[74],"up":[75],"too":[77],"early,":[78],"losing":[79],"many":[80],"opportunities":[81],"for":[82],"would":[85],"turn":[86],"out":[87],"safe.":[90],"Moreover,":[91],"ignore":[93],"fact":[95],"may":[98],"even":[99],"improve":[100],"reducing":[107],"degree":[109],"neighbor":[111],"are":[114],"interfering":[115],"both":[117],"being":[123],"coalesced.":[124],"This":[125],"article":[126],"proposes":[127],"new":[129],"heuristic":[130],"called":[131],"optimistic":[132],"optimistically":[135],"performs":[136],"coalescing,":[138],"thus":[139],"exploiting":[140],"positive":[142],"impact":[143],"aggressively,":[146],"but":[147],"when":[148],"coalesced":[150],"node":[151],"is":[152,157,165],"spilled,":[155],"split":[158],"back":[159],"into":[160],"separate":[161],"nodes.":[162],"Since":[163],"there":[164],"better":[167],"chance":[168],"coloring":[170],"one":[171],"those":[173],"splits,":[174],"we":[175],"reduce":[177],"overall":[179],"spill":[180],"amount.":[181]},"counts_by_year":[{"year":2021,"cited_by_count":1},{"year":2020,"cited_by_count":1},{"year":2019,"cited_by_count":1},{"year":2017,"cited_by_count":1},{"year":2014,"cited_by_count":1},{"year":2013,"cited_by_count":3},{"year":2012,"cited_by_count":4}],"updated_date":"2026-06-11T09:08:48.828518","created_date":"2025-10-10T00:00:00"}