Abstract: High-performance multiprocessor computing systems are widely applied to the solution of many complicated scientific and engineering problems. However, one of the most significant problem associated with employment of the 1 PTFLOPS systems is their high cost and high power consumption. Therefore, the high-performance multiprocessor computing systems with hybrid architecture, using graphical processing units for acceleration, acquire much wider application. Such supercomputer with the specified architecture by 100 TFLOPS power has been created and installed in the Keldysh Institute of Applied Mathematics of RAS (Moscow). It has relatively low cost ? near to $2 million (together with the cooling system and UPS) and low power consumption ? near to 70-80 kW.
Computing systems based on the graphic cards have great potential for high performance computation. However, the realization of these opportunities is primarily determined by availability of software and by existence of computational algorithms that are compatible with the architecture of the graphic cards.
As an example of the hybrid supercomputing system application, the problems of radiation transfer modeling and hydro-and gas dynamics modeling are considered.
The gained experience has shown that the hybrid computing systems possessing the high peak performance under skillful adaptation of algorithms to their architecture can be successfully applied to effective modeling of many important scientific and engineering problems.

Brief Biography of the Speaker:
Boris Chetverushkin was born in Moscow on 26 January 1944.
Positions: Director of Keldysh Institute of Applied Mathematics Russian Academy of Sciences, Corresponding Member of the Russian Academy of Sciences, Professor.
Studies: Moscow Institute of Physics and Technology (MIPT) Faculty of Applied Mathematics and Control (1966), Master of Science Graduate school at the MIPT (1969). He has received PhD in 1971, Dr.Sc. in 1981, Professor in 1988. Since 1968 he is researcher at Keldysh Institute of Applied Mathematics.
Research fields: Numerical Methods, Computational fluid dynamics, Radiation gas dynamics, Parallel computations.
More than 330 publications including 4 books.
Leader of projects of Russian Foundation for Basic Research, INTAS, ISTC and others.
Chairman of the Russian national committee on applied and industrial mathematics. Member of ECCOMAS. Member of the scientific committee of Parallel CFD conference since its foundation.
Editor-in-Chief of Russian journal Mathematicheskoe Modelirovamie (Eng. Translation: Mathematical Models and Computer Simulations). Member of editorial boards of two others scientific journals.