{"title":"Microprogrammed associative instructions: results and analysis of a case study in vertical migration","authors":"B. Albert, A. Bode","doi":"10.1145/1096419.1096437","DOIUrl":null,"url":null,"abstract":"The microprogrammed implementation of associative instructions on conventional microprogrammable computers with address-based memory-access is introduced as \"vertical processing\". The implementation on the processors of the EGPA-multiprocessor project is reported as well as runtime comparisons of the microprograms with equivalent HLL-programs. The contribution of the factors vertical migration and associativity to the observed overall speedup is described. Finally, a detailed analysis of the underlying microarchitecture and the handcoded microprograms is given in view of local and global compaction techniques.","PeriodicalId":138968,"journal":{"name":"ACM Sigmicro Newsletter","volume":"20 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"1983-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"2","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"ACM Sigmicro Newsletter","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1145/1096419.1096437","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
引用次数: 2
Abstract
The microprogrammed implementation of associative instructions on conventional microprogrammable computers with address-based memory-access is introduced as "vertical processing". The implementation on the processors of the EGPA-multiprocessor project is reported as well as runtime comparisons of the microprograms with equivalent HLL-programs. The contribution of the factors vertical migration and associativity to the observed overall speedup is described. Finally, a detailed analysis of the underlying microarchitecture and the handcoded microprograms is given in view of local and global compaction techniques.
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