{"title":"QsNetII的优化全局缩减","authors":"D. Roweth, A. Pittman","doi":"10.1109/CONECT.2005.28","DOIUrl":null,"url":null,"abstract":"In this paper we describe how QsNet/sup II/ supports reduction, a key collective for massively parallel applications. Results from jobs run on a 512-node quad CPU cluster show excellent scaling, with the average time to execute a 2048 process global sum being 22 microsecs.","PeriodicalId":128992,"journal":{"name":"Hot Interconnects","volume":"52 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"2005-08-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"7","resultStr":"{\"title\":\"Optimised Global Reduction on QsNetII\",\"authors\":\"D. Roweth, A. Pittman\",\"doi\":\"10.1109/CONECT.2005.28\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"In this paper we describe how QsNet/sup II/ supports reduction, a key collective for massively parallel applications. Results from jobs run on a 512-node quad CPU cluster show excellent scaling, with the average time to execute a 2048 process global sum being 22 microsecs.\",\"PeriodicalId\":128992,\"journal\":{\"name\":\"Hot Interconnects\",\"volume\":\"52 1\",\"pages\":\"0\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"2005-08-17\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"7\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"Hot Interconnects\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://doi.org/10.1109/CONECT.2005.28\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"Hot Interconnects","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/CONECT.2005.28","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
In this paper we describe how QsNet/sup II/ supports reduction, a key collective for massively parallel applications. Results from jobs run on a 512-node quad CPU cluster show excellent scaling, with the average time to execute a 2048 process global sum being 22 microsecs.
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