{"title":"TSUBAME-KFC: A modern liquid submersion cooling prototype towards exascale becoming the greenest supercomputer in the world","authors":"Toshio Endo, Akira Nukada, S. Matsuoka","doi":"10.1109/PADSW.2014.7097829","DOIUrl":null,"url":null,"abstract":"Modern supercomputer performance is principally limited by power. TSUBAME-KFC is a state-of-the-art prototype for our next-generation TSUBAME3.0 supercomputer and towards future exascale. In collaboration with Green Revolution Cooling and others, TSUBAME-KFC submerges compute nodes configured with extremely high processor/component density, into non-toxic, low viscosity oil with high 260 Celsius flash point, and cooled using ambient / evaporative cooling tower. This minimizes cooling power while all semiconductor components kept at low temperature to lower leakage current. Numerous off-line in addition to on-line power and temperature sensors are facilitated throughout and constantly monitored to immediately observe the effect of voltage/frequency control. As a result, TSUBAME-KFC achieved world No.1 on the Green500 in Nov. 2013 and Jun. 2014, by over 20% c.f. the nearest competitors.","PeriodicalId":421740,"journal":{"name":"2014 20th IEEE International Conference on Parallel and Distributed Systems (ICPADS)","volume":"60 4 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"2014-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"15","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"2014 20th IEEE International Conference on Parallel and Distributed Systems (ICPADS)","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/PADSW.2014.7097829","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
引用次数: 15
Abstract
Modern supercomputer performance is principally limited by power. TSUBAME-KFC is a state-of-the-art prototype for our next-generation TSUBAME3.0 supercomputer and towards future exascale. In collaboration with Green Revolution Cooling and others, TSUBAME-KFC submerges compute nodes configured with extremely high processor/component density, into non-toxic, low viscosity oil with high 260 Celsius flash point, and cooled using ambient / evaporative cooling tower. This minimizes cooling power while all semiconductor components kept at low temperature to lower leakage current. Numerous off-line in addition to on-line power and temperature sensors are facilitated throughout and constantly monitored to immediately observe the effect of voltage/frequency control. As a result, TSUBAME-KFC achieved world No.1 on the Green500 in Nov. 2013 and Jun. 2014, by over 20% c.f. the nearest competitors.
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