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188宝金博页面版: Multi-core CPUs, Clusters, and Grid Computing: A Tutorial

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内容提示: Comput Econ (2008) 32:353–382DOI 10.1007/s10614-008-9143-5Multi-core CPUs, Clusters, and Grid Computing:A TutorialMichael Creel · William L. GoffeAccepted: 7 April 2008 / Published online: 26 April 2008? Springer Science+Business Media, LLC. 2008Abstract The nature of computing is changing and it poses both challenges andopportunities for economists. Instead of increasing clock speed, future microproces-sors will have “multi-cores” with separate execution units. “Threads” or other multi-processing t...

文档格式:PDF | 页数:30 | 浏览次数:46 | 上传日期:2018-05-10 22:38:34 | 文档星级:
Comput Econ (2008) 32:353–382DOI 10.1007/s10614-008-9143-5Multi-core CPUs, Clusters, and Grid Computing:A TutorialMichael Creel · William L. GoffeAccepted: 7 April 2008 / Published online: 26 April 2008© Springer Science+Business Media, LLC. 2008Abstract The nature of computing is changing and it poses both challenges andopportunities for economists. Instead of increasing clock speed, future microproces-sors will have “multi-cores” with separate execution units. “Threads” or other multi-processing techniques that are rarely used today are required to take full advantage ofthem.Beyondonemachine,ithasbecomeeasytoharnessmultiplecomputerstoworkin clusters. Besides dedicated clusters, they can be made up of unused lab computersor even your colleagues’ machines. Finally, grids of computers spanning the Internetare now becoming a reality.Keywords Multi-core · Cluster · OpenMP · MPI · Grid1 IntroductionFor nearly two decades, economists have used desktop computers with a single pro-cessor for most of their computing needs. Each year computer power has increasedand economists have been able to tackle more diff i cult problems. This era is comingto an end. Future improvements in microprocessors will come from adding additionalprocessors to each chip; the power of a single processor is unlikely to substantiallychange. This transition will not be transparent to programmers or sophisticated users.M. CreelDepartment of Economics and Economic History, Edif i ci B, Universitat Autònoma de Barcelona,08193 Bellaterra, Barcelona, Spaine-mail: michael.creel@uab.esW. L. Goffe ( B )Department of Economics, SUNY—Oswego, 416 Mahar Hall, Oswego, NY 13126, USAe-mail: goffe@oswego.edu123

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