Petaflops computing: planning ahead

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This talk considers the problem of defining success criteria for petaflop computers. Current expectations for teraflop systems show an alarming acceleration of a trend we have seen for many years in high performance computers. Namely, it is becoming increasingly difficult to effectively use the computational capability of these machines. If this situation is not reversed quickly, the term "petaflop computer" may simply mean the next fastest computer that we cannot use. In many cases, we have some understanding of why we cannot achieve anywhere near the peak performance of these machines on real applications. Effective use of these resources is ... continued below

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7.6 Mbytes

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McGraw, J. R. June 17, 1998.

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Description

This talk considers the problem of defining success criteria for petaflop computers. Current expectations for teraflop systems show an alarming acceleration of a trend we have seen for many years in high performance computers. Namely, it is becoming increasingly difficult to effectively use the computational capability of these machines. If this situation is not reversed quickly, the term "petaflop computer" may simply mean the next fastest computer that we cannot use. In many cases, we have some understanding of why we cannot achieve anywhere near the peak performance of these machines on real applications. Effective use of these resources is a highly complex optimization problem that must be solved over all of the different components of each application program. Given this complexity, it is the responsibility of our community to better quantify our progress in developing high perforrnance systems with more meaningful metrics than simply "peak floating point operations per second." We need to develop metrics and tools that help us to enhance the end-to-end performance of solving large scientific applications on these advanced machines.

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7.6 Mbytes

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  • Petaflop Operations Working Review (POWR) Workshop, Bodega Bay, CA, June 2-5, 1998

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  • Other: DE00003848
  • Report No.: UCRL-JC-131349
  • Grant Number: W-7405-Eng-48
  • Office of Scientific & Technical Information Report Number: 3848
  • Archival Resource Key: ark:/67531/metadc682935

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  • June 17, 1998

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  • July 25, 2015, 2:20 a.m.

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  • Feb. 24, 2016, 4:05 p.m.

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McGraw, J. R. Petaflops computing: planning ahead, article, June 17, 1998; Livermore, California. (digital.library.unt.edu/ark:/67531/metadc682935/: accessed September 26, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.