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2002
IEEE

Scalable atomistic simulation algorithms for materials research

9 years 9 months ago
Scalable atomistic simulation algorithms for materials research
A suite of scalable atomistic simulation programs has been developed for materials research based on space-time multiresolution algorithms. Design and analysis of parallel algorithms are presented for molecular dynamics (MD) simulations and quantum-mechanical (QM) calculations based on the density functional theory. Performance tests have been carried out on 1,088-processor Cray T3E and 1,280-processor IBM SP3 computers. The linear-scaling algorithms have enabled 6.44-billion-atom MD and 111,000-atom QM calculations on 1,024 SP3 processors with parallel efficiency well over 90%. The production-quality programs also feature wavelet-based computational-space decomposition for adaptive load balancing, spacefilling-curve-based adaptive data compression with user-defined error bound for scalable I/O, and octree-based fast visibility culling for immersive and interactive visualization of massive simulation data.
Aiichiro Nakano, Rajiv K. Kalia, Priya Vashishta,
Added 23 Dec 2010
Updated 23 Dec 2010
Type Journal
Year 2002
Where SP
Authors Aiichiro Nakano, Rajiv K. Kalia, Priya Vashishta, Timothy Campbell, Shuji Ogata, Fuyuki Shimojo, Subhash Saini
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