Terascale spectral element algorithms and implementations.

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We describe the development and implementation of an efficient spectral element code for multimillion gridpoint simulations of incompressible flows in general two- and three-dimensional domains. We review basic and recently developed algorithmic underpinnings that have resulted in good parallel and vector performance on a broad range of architectures, including the terascale computing systems now coming online at the DOE labs. Sustained performance of 219 GFLOPS has been recently achieved on 2048 nodes of the Intel ASCI-Red machine at Sandia.

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10 p.

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Fischer, P. F. & Tufo, H. M. August 17, 1999.

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Description

We describe the development and implementation of an efficient spectral element code for multimillion gridpoint simulations of incompressible flows in general two- and three-dimensional domains. We review basic and recently developed algorithmic underpinnings that have resulted in good parallel and vector performance on a broad range of architectures, including the terascale computing systems now coming online at the DOE labs. Sustained performance of 219 GFLOPS has been recently achieved on 2048 nodes of the Intel ASCI-Red machine at Sandia.

Physical Description

10 p.

Notes

OSTI as DE00011929

Medium: P; Size: 10 pages

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  • Supercomputing '99, Portland, OR (US), 11/13/1999--11/19/1999

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  • Report No.: ANL/MCS/CP-99773
  • Grant Number: W-31109-ENG-38
  • Office of Scientific & Technical Information Report Number: 11929
  • Archival Resource Key: ark:/67531/metadc621260

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Office of Scientific & Technical Information Technical Reports

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  • August 17, 1999

Added to The UNT Digital Library

  • June 16, 2015, 7:43 a.m.

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  • April 6, 2017, 7 p.m.

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Fischer, P. F. & Tufo, H. M. Terascale spectral element algorithms and implementations., article, August 17, 1999; Illinois. (digital.library.unt.edu/ark:/67531/metadc621260/: accessed September 25, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.