{"title":"On single parameter characterization of parallelism","authors":"D. Marinescu, J. Rice","doi":"10.1109/FMPC.1990.89464","DOIUrl":null,"url":null,"abstract":"Issues pertinent to performance analysis of massively parallel systems are discussed. Attention is focused on the average parallelism of a software structure, which has been proposed as a single-parameter characterization of parallel software. It is argued that single-parameter characterization of parallel software or of parallel hardware rarely provides insight into the complex interactions among the software and hardware components of a parallel system. In particular, bounds for the speedup based on simple models of parallelism are violated when a model ignores the effects of communication delays.<<ETX>>","PeriodicalId":193332,"journal":{"name":"[1990 Proceedings] The Third Symposium on the Frontiers of Massively Parallel Computation","volume":"94 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"1990-10-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"4","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"[1990 Proceedings] The Third Symposium on the Frontiers of Massively Parallel Computation","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/FMPC.1990.89464","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
引用次数: 4
Abstract
Issues pertinent to performance analysis of massively parallel systems are discussed. Attention is focused on the average parallelism of a software structure, which has been proposed as a single-parameter characterization of parallel software. It is argued that single-parameter characterization of parallel software or of parallel hardware rarely provides insight into the complex interactions among the software and hardware components of a parallel system. In particular, bounds for the speedup based on simple models of parallelism are violated when a model ignores the effects of communication delays.<>
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