{"id":"https://openalex.org/W2008232174","doi":"https://doi.org/10.1109/tcad.2011.2181511","title":"An Efficient Pre-Assignment Routing Algorithm for Flip-Chip Designs","display_name":"An Efficient Pre-Assignment Routing Algorithm for Flip-Chip Designs","publication_year":2012,"publication_date":"2012-05-25","ids":{"openalex":"https://openalex.org/W2008232174","doi":"https://doi.org/10.1109/tcad.2011.2181511","mag":"2008232174"},"language":"en","primary_location":{"id":"doi:10.1109/tcad.2011.2181511","doi":"https://doi.org/10.1109/tcad.2011.2181511","is_oa":false,"landing_page_url":"https://doi.org/10.1109/tcad.2011.2181511","pdf_url":null,"source":{"id":"https://openalex.org/S100835903","display_name":"IEEE Transactions on Computer-Aided Design of Integrated Circuits and Systems","issn_l":"0278-0070","issn":["0278-0070","1937-4151"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["ccf-a","cwts-core","dongbi-a","jufo-2","norway-1","poland-100","russia-white-list-1"],"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 Transactions on Computer-Aided Design of Integrated Circuits and Systems","raw_type":"journal-article"},"parent_works":[],"lineage":["https://openalex.org/W2008232174"],"child_works_count":0,"type":"article","is_traditional":true,"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/A5080854858","display_name":"Chung\u2010Wei Lin","orcid":"https://orcid.org/0000-0001-8309-7028","observed_orcids":["https://orcid.org/0000-0001-8309-7028"]},"institutions":[{"id":"https://openalex.org/I95457486","display_name":"University of California, Berkeley","ror":"https://ror.org/01an7q238","country_code":"US","type":"education","lineage":["https://openalex.org/I95457486"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Chung-Wei Lin","raw_affiliation_strings":["Department of Electrical Engineering and Computer Sciences, University of California, Berkeley, CA, USA","[Dept. of Electr. Eng. & Comput. Sci., Univ. of California, Berkeley, CA, USA]"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Electrical Engineering and Computer Sciences, University of California, Berkeley, CA, USA","institution_ids":["https://openalex.org/I95457486"]},{"raw_affiliation_string":"[Dept. of Electr. Eng. & Comput. Sci., Univ. of California, Berkeley, CA, USA]","institution_ids":["https://openalex.org/I95457486"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5064762205","display_name":"Po-Wei Lee","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I16733864","display_name":"National Taiwan University","ror":"https://ror.org/05bqach95","country_code":"TW","type":"education","lineage":["https://openalex.org/I16733864"]}],"countries":["TW"],"is_corresponding":false,"raw_author_name":"Po-Wei Lee","raw_affiliation_strings":["Graduate Institute of Electronics Engineering, National Taiwan University, Taipei, Taiwan","Grad. Inst. of Electron. Eng., Nat. Taiwan Univ., Taipei, Taiwan#TAB#"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Graduate Institute of Electronics Engineering, National Taiwan University, Taipei, Taiwan","institution_ids":["https://openalex.org/I16733864"]},{"raw_affiliation_string":"Grad. Inst. of Electron. Eng., Nat. Taiwan Univ., Taipei, Taiwan#TAB#","institution_ids":["https://openalex.org/I16733864"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5018371636","display_name":"Yao\u2010Wen Chang","orcid":"https://orcid.org/0000-0002-0564-5719","observed_orcids":["https://orcid.org/0000-0002-0564-5719"]},"institutions":[{"id":"https://openalex.org/I16733864","display_name":"National Taiwan University","ror":"https://ror.org/05bqach95","country_code":"TW","type":"education","lineage":["https://openalex.org/I16733864"]}],"countries":["TW"],"is_corresponding":false,"raw_author_name":"Yao-Wen Chang","raw_affiliation_strings":["Graduate Institute of Electronics Engineering, Department of Electrical Engineering, National Taiwan University, Taipei, Taiwan","Dept. of Electr. Eng.. Nat. Taiwan Univ., Taipei, Taiwan"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Graduate Institute of Electronics Engineering, Department of Electrical Engineering, National Taiwan University, Taipei, Taiwan","institution_ids":["https://openalex.org/I16733864"]},{"raw_affiliation_string":"Dept. of Electr. Eng.. Nat. Taiwan Univ., Taipei, Taiwan","institution_ids":["https://openalex.org/I16733864"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5018512095","display_name":"Chin-Fang Shen","orcid":null,"observed_orcids":[]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Chin-Fang Shen","raw_affiliation_strings":["Synopsys, Inc., Taipei, Taiwan","Synopsys Inc., Taipei, Taiwan#TAB#"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Synopsys, Inc., Taipei, Taiwan","institution_ids":[]},{"raw_affiliation_string":"Synopsys Inc., Taipei, Taiwan#TAB#","institution_ids":[]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5027037170","display_name":"Wei-Chih Tseng","orcid":"https://orcid.org/0009-0004-5664-4427","observed_orcids":["https://orcid.org/0009-0004-5664-4427"]},"institutions":[{"id":"https://openalex.org/I4210088951","display_name":"Synopsys (United States)","ror":"https://ror.org/013by2m91","country_code":"US","type":"company","lineage":["https://openalex.org/I4210088951"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Wei-Chih Tseng","raw_affiliation_strings":["Synopsys, Inc., Mountain View, CA, USA"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Synopsys, Inc., Mountain View, CA, USA","institution_ids":["https://openalex.org/I4210088951"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":3,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":{"value":2645,"currency":"USD","value_usd":2645},"apc_paid":null,"fwci":0.0,"has_fulltext":false,"cited_by_count":24,"citation_normalized_percentile":{"value":0.0,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":87,"max":98},"biblio":{"volume":"31","issue":"6","first_page":"878","last_page":"889"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11522","display_name":"VLSI and FPGA Design Techniques","score":0.9945999979972839,"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"}},"topics":[{"id":"https://openalex.org/T11522","display_name":"VLSI and FPGA Design Techniques","score":0.9945999979972839,"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/T10829","display_name":"Interconnection Networks and Systems","score":0.0035000001080334187,"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/T11661","display_name":"Copper Interconnects and Reliability","score":0.0005000000237487257,"subfield":{"id":"https://openalex.org/subfields/2504","display_name":"Electronic, Optical and Magnetic Materials"},"field":{"id":"https://openalex.org/fields/25","display_name":"Materials Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/global-routing","display_name":"global routing","score":0.746999979019165},{"id":"https://openalex.org/keywords/longest-common-subsequence","display_name":"longest common subsequence","score":0.996999979019165},{"id":"https://openalex.org/keywords/wirelength-minimization","display_name":"wirelength minimization","score":0.8059999942779541},{"id":"https://openalex.org/keywords/integrated-circuit-packaging","display_name":"integrated circuit packaging","score":0.6159999966621399}],"concepts":[{"id":"https://openalex.org/C74172769","wikidata":"https://www.wikidata.org/wiki/Q1446839","display_name":"Routing (electronic design automation)","level":2,"score":0.7073202133178711},{"id":"https://openalex.org/C2775896111","wikidata":"https://www.wikidata.org/wiki/Q642560","display_name":"Router","level":2,"score":0.635697603225708},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.5828412175178528},{"id":"https://openalex.org/C120098539","wikidata":"https://www.wikidata.org/wiki/Q141001","display_name":"Longest common subsequence problem","level":2,"score":0.5434615015983582},{"id":"https://openalex.org/C79072407","wikidata":"https://www.wikidata.org/wiki/Q432439","display_name":"Flip chip","level":4,"score":0.5411909818649292},{"id":"https://openalex.org/C68339613","wikidata":"https://www.wikidata.org/wiki/Q1549489","display_name":"Speedup","level":2,"score":0.525892436504364},{"id":"https://openalex.org/C165005293","wikidata":"https://www.wikidata.org/wiki/Q1074500","display_name":"Chip","level":2,"score":0.49710944294929504},{"id":"https://openalex.org/C173608175","wikidata":"https://www.wikidata.org/wiki/Q232661","display_name":"Parallel computing","level":1,"score":0.48274844884872437},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.4360291063785553},{"id":"https://openalex.org/C2781007278","wikidata":"https://www.wikidata.org/wiki/Q183406","display_name":"Flip-flop","level":3,"score":0.4236762225627899},{"id":"https://openalex.org/C14580979","wikidata":"https://www.wikidata.org/wiki/Q876049","display_name":"Very-large-scale integration","level":2,"score":0.42261284589767456},{"id":"https://openalex.org/C56086750","wikidata":"https://www.wikidata.org/wiki/Q6042592","display_name":"Integer programming","level":2,"score":0.4209505617618561},{"id":"https://openalex.org/C149635348","wikidata":"https://www.wikidata.org/wiki/Q193040","display_name":"Embedded system","level":1,"score":0.294109046459198},{"id":"https://openalex.org/C31258907","wikidata":"https://www.wikidata.org/wiki/Q1301371","display_name":"Computer network","level":1,"score":0.1346997320652008},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.08636608719825745},{"id":"https://openalex.org/C162307627","wikidata":"https://www.wikidata.org/wiki/Q204833","display_name":"Enhanced Data Rates for GSM Evolution","level":2,"score":0.0},{"id":"https://openalex.org/C185592680","wikidata":"https://www.wikidata.org/wiki/Q2329","display_name":"Chemistry","level":0,"score":0.0},{"id":"https://openalex.org/C2779227376","wikidata":"https://www.wikidata.org/wiki/Q6505497","display_name":"Layer (electronics)","level":2,"score":0.0},{"id":"https://openalex.org/C178790620","wikidata":"https://www.wikidata.org/wiki/Q11351","display_name":"Organic chemistry","level":1,"score":0.0},{"id":"https://openalex.org/C68928338","wikidata":"https://www.wikidata.org/wiki/Q131790","display_name":"Adhesive","level":3,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/tcad.2011.2181511","doi":"https://doi.org/10.1109/tcad.2011.2181511","is_oa":false,"landing_page_url":"https://doi.org/10.1109/tcad.2011.2181511","pdf_url":null,"source":{"id":"https://openalex.org/S100835903","display_name":"IEEE Transactions on Computer-Aided Design of Integrated Circuits and Systems","issn_l":"0278-0070","issn":["0278-0070","1937-4151"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["ccf-a","cwts-core","dongbi-a","jufo-2","norway-1","poland-100","russia-white-list-1"],"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 Transactions on Computer-Aided Design of Integrated Circuits and Systems","raw_type":"journal-article"}],"best_oa_location":null,"sustainable_development_goals":[{"id":"https://metadata.un.org/sdg/9","score":0.5378999710083008,"display_name":"Industry, innovation and infrastructure"}],"study_designs":[],"awards":[],"funders":[{"id":"https://openalex.org/F4320323443","display_name":"National Chiao Tung University","ror":"https://ror.org/00se2k293"},{"id":"https://openalex.org/F4320323900","display_name":"National Taiwan University","ror":"https://ror.org/05bqach95"}],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":13,"referenced_works":["https://openalex.org/W1985647466","https://openalex.org/W1997205369","https://openalex.org/W2113046208","https://openalex.org/W2120532032","https://openalex.org/W2140411614","https://openalex.org/W2144672268","https://openalex.org/W2147329645","https://openalex.org/W2147776496","https://openalex.org/W2149534902","https://openalex.org/W2165838313","https://openalex.org/W4233439699","https://openalex.org/W4240977383","https://openalex.org/W4244790824"],"related_works":["https://openalex.org/W2120532032","https://openalex.org/W1985647466","https://openalex.org/W7101102330","https://openalex.org/W2144672268","https://openalex.org/W4233439699","https://openalex.org/W2165838313","https://openalex.org/W4233175800","https://openalex.org/W2089175652","https://openalex.org/W2147776496","https://openalex.org/W4244790824"],"abstract_inverted_index":{"The":[0],"flip-chip":[1,26,201],"package":[2],"is":[3,53],"introduced":[4],"for":[5,108,143],"modern":[6],"integrated":[7],"circuit":[8],"(IC)":[9],"designs":[10,58],"with":[11,29,131,186,193,198],"higher":[12],"integration":[13],"density":[14],"and":[15,35,65,101,139],"larger":[16],"I/O":[17],"counts.":[18],"In":[19],"this":[20,144],"paper,":[21],"we":[22,84],"consider":[23],"the":[24,49,60,78,92,97,102,114,118],"pre-assignment":[25,109],"routing":[27,81,94,122,134],"problem":[28,39],"predefined":[30],"connections":[31,61],"between":[32,62],"driver":[33,63],"pads":[34,64,67],"bump":[36,66],"pads.":[37],"This":[38],"has":[40],"been":[41],"shown":[42],"to":[43,90,146,164],"be":[44],"much":[45],"more":[46,54,153],"difficult":[47],"than":[48],"free-assignment":[50],"one,":[51],"but":[52],"popular":[55],"in":[56,151],"real-world":[57],"because":[59],"are":[68],"typically":[69],"predetermined":[70],"by":[71,95],"IC":[72],"or":[73],"packaging":[74],"designers.":[75],"Based":[76],"on":[77,204],"concept":[79],"of":[80,106,120,170],"sequence":[82],"exchange,":[83],"propose":[85],"a":[86,121,132,141,148,152,160,167,175,199],"very":[87],"efficient":[88],"approach":[89],"guide":[91],"global":[93],"computing":[96],"longest":[98],"common":[99],"subsequence":[100],"maximum":[103],"planar":[104],"subset":[105],"chords":[107],"flip-chips.":[110],"We":[111,157],"observe":[112],"that":[113,180],"existing":[115],"work":[116],"over-constrains":[117],"capacity":[119],"tile,":[123],"which":[124],"might":[125],"miss":[126],"some":[127],"critical":[128],"solution":[129,135,150,155,189],"space":[130],"better":[133,149,188],"(e.g.,":[136],"smaller":[137,195],"wirelength),":[138,196],"provide":[140],"remedy":[142],"insufficiency":[145],"identify":[147],"complete":[154],"space.":[156],"also":[158],"develop":[159],"constant-time":[161],"routability":[162,192],"analyzer":[163],"check":[165],"if":[166],"given":[168],"set":[169],"wires":[171],"can":[172,183],"pass":[173],"through":[174],"tile.":[176],"Experimental":[177],"results":[178],"show":[179],"our":[181],"router":[182,202],"achieve":[184],"a$125\\times$speedup":[185],"even":[187],"quality":[190],"(same":[191],"slightly":[194],"compared":[197],"state-of-the-art":[200],"based":[203],"integer":[205],"linear":[206],"programming.":[207]},"counts_by_year":[{"year":2026,"cited_by_count":1},{"year":2025,"cited_by_count":5},{"year":2024,"cited_by_count":2},{"year":2023,"cited_by_count":2},{"year":2022,"cited_by_count":5},{"year":2021,"cited_by_count":1},{"year":2020,"cited_by_count":3},{"year":2019,"cited_by_count":2},{"year":2018,"cited_by_count":1},{"year":2017,"cited_by_count":1},{"year":2016,"cited_by_count":1}],"updated_date":"2026-11-14T11:04:58.165337","created_date":"2016-06-24T00:00:00"}
