N.A. Severtsev - Dr. Sc. (Eng.), Professor, Head of Department, Dorodnicyn Computing Centre of RAS (Moscow). E-mail: wcan@ccas.ru A.V. Mukhin - Ph. D. (Phys.-Math.), Research Scientist, Dorodnicyn Computing Centre of RAS (Moscow). E-mail: muchine@yandex.ru A.I. Fesechko - Ph. D. (Eng.), Senior Research Scientist, Dorodnicyn Computing Centre of RAS (Moscow)