{"title":"Problem solving environment of lattice QCD","authors":"S. Motoki, A. Nakamura","doi":"10.1109/ICCIT.2010.5711066","DOIUrl":null,"url":null,"abstract":"We report what we learned in developing a QCD (Quantum Chromo Dynamics) code on Cell/B.E., i.e., necessary procedures to realize an efficient high performing program and an obstacle to prevent the peak performance of the Cell/B.E.. We found that we can almost reach to the machine peak performance, and the bottle-neck is the memory bandwidth which reduces the efficiency about one tenth. We discuss the next task for constructing a satisfactory problem solving environment of QCD.","PeriodicalId":131337,"journal":{"name":"5th International Conference on Computer Sciences and Convergence Information Technology","volume":"59 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"2010-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"1","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"5th International Conference on Computer Sciences and Convergence Information Technology","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/ICCIT.2010.5711066","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
引用次数: 1
Abstract
We report what we learned in developing a QCD (Quantum Chromo Dynamics) code on Cell/B.E., i.e., necessary procedures to realize an efficient high performing program and an obstacle to prevent the peak performance of the Cell/B.E.. We found that we can almost reach to the machine peak performance, and the bottle-neck is the memory bandwidth which reduces the efficiency about one tenth. We discuss the next task for constructing a satisfactory problem solving environment of QCD.
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