A.A. Tarasov - Ph. D. (Eng.), Research Scientist, Dorodnicyn Computing Centre of RAS (Moscow). E-mail: tarr@mail.ru D.N. Zakharov - Ph. D. (Eng.), Research Scientist, Dorodnicyn Computing Centre of RAS (Moscow)

Nguyen Quang Thuong - Dr. Sc. (Eng.), Senior Research Scientist, Dorodnicyn Computing Centre of RAS (Moscow). E-mail: tikhonmos@yahoo.com Do Thi Thanh Van - Post-graduate Student, Moscow Institute of Physics and Technology (State University). E-mail: vannhi45@gmail.com