Porting the 3D Gyrokinetic Particle-in-cell Code GTC to the CRAY/NEC SX-6 Vector Architecture: Perspectives and Challenges | Zendy

S. Ethier | Zendy; Z. Lin | Zendy

Open Access

Porting the 3D Gyrokinetic Particle-in-cell Code GTC to the CRAY/NEC SX-6 Vector Architecture: Perspectives and Challenges

Author(s) -

S. Ethier,

Z. Lin

Publication year - 2003

Publication title -

osti oai (u.s. department of energy office of scientific and technical information)

Language(s) - English

Resource type - Reports

DOI - 10.2172/815094

Subject(s) - porting , ibm , computer science , parallel computing , architecture , code (set theory) , scalar (mathematics) , computational science , computer architecture , operating system , physics , programming language , software , mathematics , geography , set (abstract data type) , geometry , archaeology , optics

Several years of optimization on the super-scalar architecture has made it more difficult to port the current version of the 3D particle-in-cell code GTC to the CRAY/NEC SX-6 vector architecture. This paper explains the initial work that has been done to port this code to the SX-6 computer and to optimize the most time consuming parts. Early performance results are shown and compared to the same test done on the IBM SP Power 3 and Power 4 machines

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