ISSN 0021-3454 (print version)
ISSN 2500-0381 (online version)
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Summaries of the issue

ACTUAL TENDENCIES FOR DISTRIBUTED COMPUTING

CLAVIRE: Perspective Technology for Second Generation Cloud Computing Boukhanovsky Alexander V, Vladimir N. Vasilev, Valeriy N. Vinogradov, Dmitry Yu. Smirnov, Sergey A. Sukhorukov, Tagir G. Yapparov
7
Features of technology for 2-nd generation cloud computing based on SaaS/AaaS model are concerned. Multifunctional technology platform CLAVIRE for building and execution of composite application using distributed cloud services is described.
14
Application of urgent computing technologies to development and organization of flood hazard prevention systems is considered using St. Petersburg case as an example.

iPSE TECHNOLOGY FOR DISTRIBUTED PROBLEM-SOLVING ENVIRONMENTS FOR SIMULATION AND DATA PROCESSING

21
An intellectual platform is designed for control over execution of composite applications in a distributed computing environment on the base of service-oriented architecture. The platform is adapted for incorporation into program complex HPC-NASIS aimed at multi-scale modeling in nanotechnologies.
29
Methods of organization of intellectual support of a user designing a composite application on the base of ontological approach are considered. A system is developed for intellectual support of users in computer modeling of quantum chemistry problem
36
An approach is proposed for design and realization of composite applications in distributed computing environment on the base of domain-specific description. Domain-specific languages EasyPackage and EasyFlow are developed for realization of the approach. Technologies based on the languages are proposed for creation of domain-specific interfaces, design and execution of composite applications realized on CLAVIRE platform.

LIFE CYCLE SUPPORT FOR DISTRIBUTED PROBLEM-SOLVING ENVIRONMENTS

SCIENTIFIC-TRAINING COMPLEX “COMPUTER MODELING IN NANOTECHNOLOGIES” ON THE BASE OF A GRID SYSTEM Maslov Vladimir G, Boukhanovsky Alexander V, Dmitry Spelnikov, Alexander Guskov
44
A scientific-training complex is developed for performance of tasks in modeling of nano-sized atomic and molecular structures, nano-materials, processes and devices based on such structures. The complex is operated in remote access mode and uses resources of distributed computing environment of the National nano-technological grid system.
FEATURES OF PROBABILISTIC ANALYSIS OF EFFICIENCY AND RELIABILITY OF PROBLEMORIENTED ENVIRONMENTS FOR CLOUD COMPUTING Boukhanovsky Alexander V, Timofei Tchurov, Nasonov Denis A, Boris Ya. Shteinberg
51
A probabilistic model of cloud computing environment performance is proposed. Approaches to estimation of efficiency and reliability of service providing are considered on the base of the proposed model.

iPSE-BASED APPLICATIONS OF DISTRIBUTED ENVIRONMENTS

VIRTUAL RANGE FOR RESEARCH DESIGN OF MARITIME OBJECTS AND CONSTRUCTIONS Alexey Bezgodov, Ivanov Sergey V, Boukhanovsky Alexander V, Sergey S. Kosukhin
58
The problem of organization of virtual range for research design in shipbuilding is considered. A method is developed for formation of dynamic scenes of maritime object behavior under 3D roughness in extreme service conditions. The method is adapted to employment in wide-screen virtual reality systems.
WEB-ORIENTED RESEARCH-PRODUCTION SENTER “SOCIODYNAMICS” Ivanov Sergey V, Boukhanovsky Alexander V, Ekaterina Bolgova, Viktor V. Kashirin, Andrey V. Yakushev, Andrey V. Chugunov
65
Concept and principal architecture of a problem-oriented cloud-computing environment is described. The environment under consideration ensures the functioning of research-production center for investigation into social dynamics and its applications in the frames of web 2.0 paradigm.
PARALLEL ALGORITHMS OF DYNAMIC PROCESS MODELING IN COMPLEX NETWORK Ekaterina Bolgova, Ivanov Sergey V, Boukhanovsky Alexander V, Sloot Petrus M. A, Ekaterina Grinina
72
A formal description of complex networks ix presented. Code parallelization schemes in modeling of dynamic processes in complex networks are considered

DISSEMINATION OF DISTRIBUTED COMPUTING

RESULTS OF PROJECT “YOUNG RESEARCHERS MOBILITY” REALIZATION IN 2010: DEVELOPMENT OF FUNCTIONAL ELEMENTS OF IPSE TECHNOLOGY AND APPLIED SERVICE WIDENING Boukhanovsky Alexander V, Sergey Maryin, Konstantin Knyazkov, Aleksey A. Sidnev, Sergey N. Zhabin, Аnton P. Bagly, Roman B. Shteinberg, Anastasia V. Shamakina, Vadim V. Voevodin, Evdokiya N. Golovchenko, Roman T. Phalaleev, Alexei Doukhanov, Aleksey A. Tarasov, Lev V. Shamardin, Aleksey I. Moiseenko
80
New generation of problem-oriented distributed environments for computer modeling of complex systems are considered. Results of joint study in application and development of corresponding technologies are presented. The investigations are carried out in the frames of “Young Researchers Mobility” activity in 2010 as a part of the Federal Target Program “Professional Community of Innovative Russia for 2007—2012”.

BRIEF NOTES

FEATURES OF REALIZATION OF PARALLELIZING TRANSFORMATIONS IN INTERACTIVE HIGH-LEVEL OPTIMIZATING PARALLELIZER OF CODES Boris Ya. Shteinberg, Vladimir Yu. Skiba, Roman B. Shteinberg, Evgeny N. Kravchenko, Roman I. Morylev, Zinovy Ya. Nis, Viktor V. Petrenko, Vasily N. Shapovalov, Oleg B. Shteinberg
87
Performance peculiarities of transformations library in interactive high-level optimizating parallelizer are discussed.
89
Methods of adaptation of algorithms of short laser pulse propagation problems solution for computing systems of NUMA architecture are considered.
CONSTRUCTION OF SAH BVH TREES FOR RAY TRACING WITH THE USE OF GRAPHIC PROCESSORS Denis K. Bogolepov, Dmitry P. Sopin, Danila Ya. Ulyanov, Vadim E. Turlapov
92
A real-time algorithm of SAH BVH trees construction on graphic processors is developed. The algorithm allows for increase the visualization effectiveness for an order of magnitude as compared with analogues.
94
Principles of instrument environment construction for prototyping and analysis of on-board support systems for complex dynamic objects operator are considered in the frame of cloud computing concept.
97
Peculiarities of application of the model of long-term execution task flow for enhancement of efficiency of calculation experiments performance with dynamically varying parameters in distributed environment.
100
Scheme for building modified multiple scans based on Peano curves is proposed. The scheme allows increasing manyfold quantity of CPUs used for global optimization tasks parallel solving.
ENSEMBLE FORECASTS OF THE EXTREME HYDROMETEOROLOGICAL PHENOMENA IN DISTRIBUTED ENVIRONMENT CLAVIRE Nasonov Denis A, Boukhanovsky Alexander V, Suleiman Mohamad Mostamandi, Anna V. Kaluzhnaya
102
Features of CLAVIRE environment application for extreme metocean events ensemble forecasting tasks concerning flooding of Saint-Petersburg area is described.