PPT-1 Multicore for Science

Multicore Panel at eScience 2008 December 11 2008 Geoffrey Fox Community Grids Laboratory School of informatics Indiana University gcfindianaedu httpwwwinfomallorg Lessons Not surprising . utkedu Abstract We present a Cholesky factorization for multicore with GPU accelerators The challenges in developing scalable high performance al gorithms for these emerging systems stem from their heterogeneity mas sive parallelism and the huge gap 001 0 001 00001 10 10 10 10 10 10 Screening perf or mance of va ious types of screen constr uctions 55 65 75 85 95 105 115 125 135 145 155 165 175 EM Shielding eff ectiv eness dBmeter requency Hz Surf ace transf er impedance mohmsmeter Aluminiz ed o Message Passing Sharedmemory single copy of shared data in memory threads communicate by readingwriting to a shared location Messagepassing each thread has a copy of data in its own private memory that other threads cannot access threads communicate Marc De Melo. Outline. Non-Uniform Cache Architecture (NUCA). Cache Coherence. Implementation of directories in multicore architecture. 2. Non-Uniform Cache Architecture [1]. Uniform Cache Architecture. CCGSC. September 15 . 2008. Geoffrey Fox. Community Grids Laboratory. , . School of informatics . Indiana University. gcf@indiana.edu. , . http://www.infomall.org. 2. Gartner 2008 Technology Hype Curve. – . From hardware prospective to software. Presenter: D96943001 . 電子所 陳泓輝. Why Moore’s Law is die. He is not CEO anymore!!. Walls => ILP, Frequency, Power, Memory walls. ILP – more cost less return. Multicores. Minshu. Zhao. Outline. Introduction. Review of Power management technique. Power management in . Multicore. Identify . Multicores. Characteristics. Apply power management technique. Future of . G. Narayanaswamy. , . P. Balaji. and . W. Feng. Dept. of Comp. Science. Virginia Tech. Mathematics and Comp. Science. Argonne National Laboratory. High-end Computing Trends. High-end Computing (HEC) Systems. Based heavily on a slide set by Colin Ponce. Rethinking Operating System Designs for a . Multicore World. Multicore computer: A computer with more than one CPU.. 1960-1990. : Multicore existed in mainframes . Kicking and Screaming:. Multicore Architecture and Video Games. Summary of Topics:. Console Architecture. Meaning of Paper’s Title/Why the Video Game Developer HATED the new. Techniques/Problems. The Future. CCGSC. September 15 . 2008. Geoffrey Fox. Community Grids Laboratory. , . School of informatics . Indiana University. gcf@indiana.edu. , . http://www.infomall.org. 2. Gartner 2008 Technology Hype Curve. and . Devavrat. Shah. Flowtune. Flowlet. Control for. Datacenter Networks. Response Time: Productivity, Revenue. , Reputation. microservices. . . . develop  network is central. deploy. and . Devavrat. Shah. Flowtune. Flowlet. Control for. Datacenter Networks. Response Time: Productivity, Revenue. , Reputation. microservices. . . . develop  network is central. deploy. Gyrokinetic. Particle-to-Grid Interpolation for Multicore Processors. Kamesh. . Madduri. , . Samuel Williams. , . Stephane. . Ethier. , . Leonid . Oliker. , John . Shalf. , Erich . Strohmaier. , Katherine Yelick .