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Single Node Optimization on the NERSC SP

Single Node Optimization on the NERSC SP

Single Node Optimization on the NERSC SP. June 24, 2004 Michael Stewart NERSC User Services Group pmstewart@lbl.gov 510-486-6648. 1. Introduction. Why be concerned about choosing the right compiler optimization arguments on the SP?

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495 views • 41 slides
Single Node Optimization on the NERSC SP

Single Node Optimization on the NERSC SP

Single Node Optimization on the NERSC SP. June 24, 2004 Michael Stewart NERSC User Services Group pmstewart@lbl.gov 510-486-6648. 1. Introduction. Why be concerned about choosing the right compiler optimization arguments on the SP?

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417 views • 41 slides
Libraries and Program Performance

Libraries and Program Performance

Libraries and Program Performance. NERSC User Services Group. An Embarrassment of Riches: Serial. Threaded Libraries (Threaded). Parallel Libraries (Distributed & Threaded). Elementary Math Functions. Three libraries provide elementary math functions: C/Fortran intrinsics

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499 views • 36 slides
Libraries and Program Performance

Libraries and Program Performance

Libraries and Program Performance. NERSC User Services Group. An Embarrassment of Riches: Serial. Threaded Libraries (Threaded). Parallel Libraries (Distributed & Threaded). Elementary Math Functions. Three libraries provide elementary math functions: C/Fortran intrinsics

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361 views • 36 slides
IBM Compiler Optimization Arguments

IBM Compiler Optimization Arguments

IBM Compiler Optimization Arguments. May 30, 2003 Michael Stewart NERSC User Services Group pmstewart@lbl.gov 510-486-6648. 1. Introduction. Why be concerned with optimization arguments? What are the most useful optimization arguments?

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416 views • 28 slides
MASS, MASSV & ESSL 4.3

MASS, MASSV & ESSL 4.3

MASS, MASSV & ESSL 4.3. MASS and MASSV. Three libraries provide elementary math functions: C/Fortran intrinsics MASS/MASSV (Math Acceleration Subroutine System) ESSL/PESSL (Engineering Scientific Subroutine Library) Language intrinsics are the most convenient, but not the best performers.

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343 views • 26 slides

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