{"id":"https://openalex.org/W1982475845","doi":"https://doi.org/10.1145/1218033.1218034","title":"A new perspective on the classical microcode compaction problem","display_name":"A new perspective on the classical microcode compaction problem","publication_year":1983,"publication_date":"1983-03-01","ids":{"openalex":"https://openalex.org/W1982475845","doi":"https://doi.org/10.1145/1218033.1218034","mag":"1982475845"},"language":"en","primary_location":{"id":"doi:10.1145/1218033.1218034","doi":"https://doi.org/10.1145/1218033.1218034","is_oa":false,"landing_page_url":"https://doi.org/10.1145/1218033.1218034","pdf_url":null,"source":{"id":"https://openalex.org/S81742775","display_name":"ACM SIGMICRO newsletter/SIGMICRO newsletter/SIGMICRO, TCMICRO newsletter","issn_l":"0163-5751","issn":["0163-5751","0892-3825","1050-916X","1558-0296"],"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":[],"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 SIGMICRO Newsletter","raw_type":"journal-article"},"volume":null,"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/A5035983773","display_name":"Steven R. Vegdahl","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I74973139","display_name":"Carnegie Mellon University","ror":"https://ror.org/05x2bcf33","country_code":"US","type":"education","lineage":["https://openalex.org/I74973139"]}],"countries":["US"],"is_corresponding":true,"raw_author_name":"Steven R. Vegdahl","raw_affiliation_strings":["Carnegie-Mellon University, Pittsburgh, PA"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Carnegie-Mellon University, Pittsburgh, PA","institution_ids":["https://openalex.org/I74973139"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":["https://openalex.org/A5035983773"],"corresponding_institution_ids":["https://openalex.org/I74973139"],"apc_list":null,"apc_paid":null,"fwci":0.6092,"has_fulltext":false,"cited_by_count":5,"citation_normalized_percentile":{"value":0.6492891,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":null,"biblio":{"volume":"14","issue":"1","first_page":"11","last_page":"14"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11269","display_name":"Algorithms and Data Compression","score":0.5640000104904175,"subfield":{"id":"https://openalex.org/subfields/2614","display_name":"Theoretical Computer Science"},"field":{"id":"https://openalex.org/fields/26","display_name":"Mathematics"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},"topics":[{"id":"https://openalex.org/T11269","display_name":"Algorithms and Data Compression","score":0.5640000104904175,"subfield":{"id":"https://openalex.org/subfields/2614","display_name":"Theoretical Computer Science"},"field":{"id":"https://openalex.org/fields/26","display_name":"Mathematics"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T10126","display_name":"Logic, programming, and type systems","score":0.1615000069141388,"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/T10054","display_name":"Parallel Computing and Optimization Techniques","score":0.06340000033378601,"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"}}],"keywords":[{"id":"https://openalex.org/keywords/polynomial-time-algorithms","display_name":"polynomial-time algorithms","score":0.8389999866485596},{"id":"https://openalex.org/keywords/microprogrammed-control","display_name":"microprogrammed control","score":0.3499999940395355}],"concepts":[{"id":"https://openalex.org/C22174128","wikidata":"https://www.wikidata.org/wiki/Q175869","display_name":"Microcode","level":2,"score":0.8887380361557007},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.688830554485321},{"id":"https://openalex.org/C196715460","wikidata":"https://www.wikidata.org/wiki/Q1414356","display_name":"Compaction","level":2,"score":0.6549464464187622},{"id":"https://openalex.org/C90119067","wikidata":"https://www.wikidata.org/wiki/Q43260","display_name":"Polynomial","level":2,"score":0.5947868824005127},{"id":"https://openalex.org/C2780767217","wikidata":"https://www.wikidata.org/wiki/Q5532421","display_name":"Generality","level":2,"score":0.5258184671401978},{"id":"https://openalex.org/C45374587","wikidata":"https://www.wikidata.org/wiki/Q12525525","display_name":"Computation","level":2,"score":0.5066829323768616},{"id":"https://openalex.org/C2776760102","wikidata":"https://www.wikidata.org/wiki/Q5139990","display_name":"Code (set theory)","level":3,"score":0.4750744700431824},{"id":"https://openalex.org/C173608175","wikidata":"https://www.wikidata.org/wiki/Q232661","display_name":"Parallel computing","level":1,"score":0.4389115571975708},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.4206240177154541},{"id":"https://openalex.org/C80444323","wikidata":"https://www.wikidata.org/wiki/Q2878974","display_name":"Theoretical computer science","level":1,"score":0.3715832531452179},{"id":"https://openalex.org/C136119220","wikidata":"https://www.wikidata.org/wiki/Q1000660","display_name":"Algebra over a field","level":2,"score":0.3326604962348938},{"id":"https://openalex.org/C199360897","wikidata":"https://www.wikidata.org/wiki/Q9143","display_name":"Programming language","level":1,"score":0.2751094102859497},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.25338172912597656},{"id":"https://openalex.org/C202444582","wikidata":"https://www.wikidata.org/wiki/Q837863","display_name":"Pure mathematics","level":1,"score":0.1683042049407959},{"id":"https://openalex.org/C9390403","wikidata":"https://www.wikidata.org/wiki/Q3966","display_name":"Computer hardware","level":1,"score":0.14607709646224976},{"id":"https://openalex.org/C134306372","wikidata":"https://www.wikidata.org/wiki/Q7754","display_name":"Mathematical analysis","level":1,"score":0.07881447672843933},{"id":"https://openalex.org/C542102704","wikidata":"https://www.wikidata.org/wiki/Q183257","display_name":"Psychotherapist","level":1,"score":0.0},{"id":"https://openalex.org/C177264268","wikidata":"https://www.wikidata.org/wiki/Q1514741","display_name":"Set (abstract data type)","level":2,"score":0.0},{"id":"https://openalex.org/C159985019","wikidata":"https://www.wikidata.org/wiki/Q181790","display_name":"Composite material","level":1,"score":0.0},{"id":"https://openalex.org/C15744967","wikidata":"https://www.wikidata.org/wiki/Q9418","display_name":"Psychology","level":0,"score":0.0},{"id":"https://openalex.org/C192562407","wikidata":"https://www.wikidata.org/wiki/Q228736","display_name":"Materials science","level":0,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1145/1218033.1218034","doi":"https://doi.org/10.1145/1218033.1218034","is_oa":false,"landing_page_url":"https://doi.org/10.1145/1218033.1218034","pdf_url":null,"source":{"id":"https://openalex.org/S81742775","display_name":"ACM SIGMICRO newsletter/SIGMICRO newsletter/SIGMICRO, TCMICRO newsletter","issn_l":"0163-5751","issn":["0163-5751","0892-3825","1050-916X","1558-0296"],"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":[],"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 SIGMICRO Newsletter","raw_type":"journal-article"}],"best_oa_location":null,"sustainable_development_goals":[],"study_designs":[],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":10,"referenced_works":["https://openalex.org/W1590358180","https://openalex.org/W1597386284","https://openalex.org/W2042136045","https://openalex.org/W2049935578","https://openalex.org/W2110216881","https://openalex.org/W2122439715","https://openalex.org/W2146343280","https://openalex.org/W2751335644","https://openalex.org/W2761787477","https://openalex.org/W4401149251"],"related_works":["https://openalex.org/W2059673674","https://openalex.org/W2063225621","https://openalex.org/W3151999169","https://openalex.org/W1830893350","https://openalex.org/W4234495277","https://openalex.org/W1986178854","https://openalex.org/W2160692973","https://openalex.org/W2018097644","https://openalex.org/W2291074646","https://openalex.org/W2048470383"],"abstract_inverted_index":{"Some":[0],"comments":[1],"are":[2],"made":[3],"concerning":[4],"the":[5,10,29,38,41,49,61,64,70,76,81,90],"generality":[6],"and":[7],"complexity":[8],"of":[9,31,40,63,80,87],"classical":[11,22,50],"microcode":[12,82],"compaction":[13,23,51,83],"problem.":[14],"A":[15],"trivial":[16],"example":[17],"is":[18,35,45,66,85],"given":[19],"that":[20,48,75,86],"no":[21],"algorithm":[24],"would":[25],"compact":[26],"optimally,":[27],"because":[28],"computation":[30],"data":[32],"precedence":[33],"relations":[34],"dependent":[36,67],"on":[37,69],"order":[39],"source":[42,91],"code.":[43,92],"It":[44],"further":[46],"argued":[47],"problem":[52,84],"can":[53],"be":[54],"solved":[55],"optimally":[56],"in":[57],"polynomial":[58,65],"time,":[59],"where":[60],"degree":[62],"only":[68],"micromachine":[71],"architecture.":[72],"We":[73],"conclude":[74],"most":[77],"difficult":[78],"portion":[79],"initially":[88],"ordering":[89]},"counts_by_year":[],"updated_date":"2026-05-21T06:26:12.895304","created_date":"2016-06-24T00:00:00"}