Geodesic
Algorithms of two-level parallelization for unsteady flows in molecular gasdynamics
Matematičeskoe modelirovanie, Tome 12 (2000) no. 6, pp. 95-101.

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The general scheme of algorithm of two-level parallelization (TLP) for direct simulation Monte Carlo of unsteady gas flows on multiprocessor computers has been described. The high efficient algorithm of parallel independent runs is used on the first level. The data parallelization is employed for the second one. Two versions of TLP algorithm are elaborated with static and dynamic load balancing. The method of dynamic processor reallocation is used for dynamic load balancing. Two gasdynamic unsteady problems were used to study speedup and efficiency of the algorithms. 
@article{MM_2000_12_6_a16,
     author = {A. V. Bogdanov and I. A. Grishin and V. V. Zakharov and G. A. Luk'yanov and G. O. Khanlarov},
     title = {Algorithms of two-level parallelization for unsteady flows in molecular gasdynamics},
     journal = {Matemati\v{c}eskoe modelirovanie},
     pages = {95--101},
     publisher = {mathdoc},
     volume = {12},
     number = {6},
     year = {2000},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MM_2000_12_6_a16/}
}
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A. V. Bogdanov; I. A. Grishin; V. V. Zakharov; G. A. Luk'yanov; G. O. Khanlarov. Algorithms of two-level parallelization for unsteady flows in molecular gasdynamics. Matematičeskoe modelirovanie, Tome 12 (2000) no. 6, pp. 95-101. http://geodesic.mathdoc.fr/item/MM_2000_12_6_a16/