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341. "Analyzing the parallel program efficiency based on monitoring data"
Analyzing the parallel program efficiency based on monitoring data" . Nikitenko D.A., Stefanov K.S. An approach to the analysis of parallel program efficiency is proposed on the basis of monitoring data available on Linux-based OS running parallel program. ... Keywords: high-performance computing, supercomputers, efficiency of applications and supercomputers, monitoring, performance analysis . PostScript (in Russian) (8.68MB) . PDF (in Russian) (261KB) . ... PDF. zip (in Russian) (215KB) . ...
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Ссылки http://num-meth.srcc.msu.ru/english/zhurnal/tom_2012/v13r213.html -- 2.8 Кб -- 10.09.2012
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342. "Solving the Boltzmann kinetic equation using tetrahedral meshes on a cluster
Solving the Boltzmann kinetic equation using tetrahedral meshes on a cluster architecture" . ... Martynov D.V. A technique proposed for solving the Boltzmann kinetic equation by the conservative projection method on multiprocessor systems using MPI is considered. In order to discretize the coordinate space, tetrahedral meshes are used. ... Keywords: Boltzmann equation, projection method, MPI, tetrahedral meshes . PostScript (in Russian) (1.98MB) . PDF (in Russian) (343KB) . ...
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Ссылки http://num-meth.srcc.msu.ru/english/zhurnal/tom_2012/v13r212.html -- 2.9 Кб -- 10.09.2012
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343. "Quantum chemical estimation of the fluoroacidity as a method to determine the
... Quantum chemical estimation of the fluoroacidity as a method to determine the conditions of subvalent bismuth stabilization in fluoride glasses" . Kondakova O.A., Romanov A.N., Maslennikov E.D., Sulimov V.B. A method of fluoroacidity estimation for inorganic compounds is proposed. The method is based on the quantum chemical calculations of the enthalpy for a fluoroacid neutralization reaction. The fluoroacidity is calculated for a number of possible fluoride components of optical glasses. ...
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Ссылки http://num-meth.srcc.msu.ru/english/zhurnal/tom_2012/v13r138.html -- 3.4 Кб -- 06.09.2012
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344. "Gradientless parallel geometry optimization of Bi 3+ 5 cluster and its
... Gradientless parallel geometry optimization of Bi 3+ 5 cluster and its luminescent properties" . Maslennikov E.D., Romanov A.N., Oferkin I.V., Sulimov A.V., Sulimov V.B. The results of quantum-chemistry calculations of ground and excited states of the bismuth polycation Bi 3+ 5 are discussed. ... Keywords: gradientless optimization, bismuth polycations, quantum chemistry, parallel computing, spin-orbit interaction, configuration interaction, near-IR photoluminescence, subvalent bismuth . ...
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Ссылки http://num-meth.srcc.msu.ru/english/zhurnal/tom_2012/v13r137.html -- 4.1 Кб -- 06.09.2012
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345. "Calculation of molecular complexation free energy by thermodynamic integration
Calculation of molecular complexation free energy by thermodynamic integration with harmonic restrictions on atomic coordinates" . Grigoriev F.V. A new method for calculating the Gibbs free energy of intermolecular complex formation using the thermodynamic integration method with harmonic restrictions on atomic coordinates is proposed. ... Keywords: free energy of complex formation, thermodynamic integration . ...
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Ссылки http://num-meth.srcc.msu.ru/english/zhurnal/tom_2012/v13r143.html -- 3.1 Кб -- 27.08.2012
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346. "Numerical modeling of formation of high density solitary vortices in a
... Numerical modeling of formation of high density solitary vortices in a circumstellar disk" . Stoyanovskaya O.P., Snytnikov V.N. The gravitational instability in the two-phase medium of a circumstellar disk is studied numerically. The formation process for high density solitary clumps is reproduced. ... Keywords: self-gravitating circumstellar disk, structure formation, solitary clump, vortex, SPH, PIC . PostScript (in Russian) (14.4MB) . PDF (in Russian) (614KB) . ...
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Ссылки http://num-meth.srcc.msu.ru/english/zhurnal/tom_2012/v13r141.html -- 3.2 Кб -- 28.06.2012
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347. "Three-dimensional LBE simulations on hybrid GPU-clusters for the decay of a
Three-dimensional LBE simulations on hybrid GPU-clusters for the decay of a binary mixture of liquid dielectrics with a solute gas to a system of gas-vapor channels" . ... The 3D simulations of the anisotropic decay of binary mixtures of dielectric liquids with a solute gas under a strong electric field to a system of gas-vapor channels in a liquid that are parallel to the local electric field is performed. ...
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Ссылки http://num-meth.srcc.msu.ru/english/zhurnal/tom_2012/v13r142.html -- 3.8 Кб -- 28.06.2012
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348. "VIGOLT system for solving transport logistics optimization problems"
... Bukharov D.S., Kazakov A.L. VIGOLT system is described. The system is used to solve a number of logistic problems given in continuous formulation: the optimal path problem, the problem of optimal location for logistic objects and the segmentation problem of logistic areas. ... A parallel algorithm for solving the optimal location problem for several logistic objects is proposed. ... Keywords: mathematical modeling, software, numerical methods, parallel computing, transport logistics . ...
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Ссылки http://num-meth.srcc.msu.ru/english/zhurnal/tom_2012/v13r209.html -- 3.0 Кб -- 21.06.2012
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349. "Basic properties of an inverse iteration algorithm for solving linear systems
... Basic properties of an inverse iteration algorithm for solving linear systems with positive definite matrices" . Ivanov V.N. The problem of solving positive definite systems of linear equations with slowly varying coefficients is considered. ... A new iteration method of solution is proposed. ... Some conditions of convergence are obtained and the basic properties of the method are considered. ...
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Ссылки http://num-meth.srcc.msu.ru/english/zhurnal/tom_2012/v13r140.html -- 3.3 Кб -- 09.06.2012
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350. "Structural properties of grid operators in node implicit operator-difference
... Structural properties of grid operators in node implicit operator-difference schemes of two-dimensional gas dynamics on triangular grids and increasing the computational efficiency of object-oriented algorithms" . ... Some node problems are studied when the grid functions are defined and the grid equations are written in the nodes of the grid in use. Keywords: operator-difference schemes, grid problem, unstructured triangular grids, grid operators, gas dynamics . ...
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Ссылки http://num-meth.srcc.msu.ru/english/zhurnal/tom_2012/v13r139.html -- 3.3 Кб -- 06.06.2012
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351. "Adaptation of the direct simulation Monte Carlo method for computing on GPU"
Adaptation of the direct simulation Monte Carlo method for computing on GPU" . Kashkovsky A.V., Shershnev A.A., Ivanov M.S. An adaptation technique and algorithms of software implementation of the direct simulation Monte Carlo method for a rarefied gas flow on parallel graphical processors are discussed. ... PostScript (in Russian) (6.89MB) . ... Kashkovsky A.V. e-mail: sasa@itam.nsc.ru ; Shershnev A.A. e-mail: antony@itam.nsc.ru ; Ivanov M.S. e-mail: ivanov@itam.nsc.ru ...
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Ссылки http://num-meth.srcc.msu.ru/english/zhurnal/tom_2012/v13r208.html -- 2.8 Кб -- 28.05.2012
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352. "Investigation of the stability of explicit finite difference-based lattice
... Investigation of the stability of explicit finite difference-based lattice Boltzmann schemes" . ... It is shown for the case of equal time and space grid steps that the areas of the stability domains for the lattice Boltzmann equation are larger than for the cases of finite difference-based schemes. Keywords: kinetic schemes, lattice Boltzmann equation, finite difference-based lattice Boltzmann schemes, stability with respect to initial conditions, Neumann method, stability domain . ...
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Ссылки http://num-meth.srcc.msu.ru/english/zhurnal/tom_2012/v13r136.html -- 3.4 Кб -- 22.05.2012
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Похожие документы
353. "Integration of Fuzzy c-Means Clustering algorithm with PostgreSQL database
Integration of Fuzzy c-Means Clustering algorithm with PostgreSQL database management system" . Miniakhmetov R.M., Tsymbler M.L. The integration of data mining algorithms with relational database management systems (DBMS) is a topical issue. ... This paper suggests an implementation of Fuzzy c-Means Clustering algorithm for the PostgreSQL open-source DBMS. ... Keywords: fuzzy clustering, integration clustering algorithms with relational DBMS . PostScript (in Russian) (787KB) . ...
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Ссылки http://num-meth.srcc.msu.ru/english/zhurnal/tom_2012/v13r207.html -- 3.0 Кб -- 17.05.2012
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354. "A combined method of regularization and descent along a primal gap function
... A combined method of regularization and descent along a primal gap function for solving nonsmooth monotone equilibrium problems" . Pinyagina O.V. A combined method of regularization and descent along a primal gap (merit) function for solving nonsmooth monotone equilibrium problems is proposed. ... Keywords: nonsmooth monotone equilibrium problem, primal gap function, descent method, inexact line search, uniformly convex function . ...
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Ссылки http://num-meth.srcc.msu.ru/english/zhurnal/tom_2012/v13r134.html -- 2.9 Кб -- 11.05.2012
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355. "Estimates for the norm of the error functional in the spaces S p for the
... Estimates for the norm of the error functional in the spaces S p for the weight quadrature formulas exact for Haar polynomials" . Kirillov K.A. The following estimates for the norm of the error functional are obtained in the spaces S p : a low estimate of || ... S p * in the case of the quadrature formulas exact for constants and some upper estimates of || ... Keywords: Haar d - property, error functional of quadrature formula, function spaces S p . ...
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Ссылки http://num-meth.srcc.msu.ru/english/zhurnal/tom_2012/v13r135.html -- 2.9 Кб -- 11.05.2012
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356. "Development of high-performance scalable software for ultrasound tomography"
Development of high-performance scalable software for ultrasound tomography" . ... This paper is dedicated to the development of high-performance scalable software for supercomputers to be used for solving the inverse problem of ultrasound tomography in medical applications. ... Keywords: inverse coefficient problems, wave equation, ultrasound tomography, parallel computations, scalability, supercomputers . PostScript (in Russian) (1.34MB) . PDF (in Russian) (316KB) . ...
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Ссылки http://num-meth.srcc.msu.ru/english/zhurnal/tom_2012/v13r133.html -- 3.3 Кб -- 27.04.2012
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357. "Stationary distribution of product of matrices with random coefficients"
... Stationary distribution of product of matrices with random coefficients" . ... The stationary distribution of this chain (the invariant probability measure) defines the characteristics of the limiting behavior of the matrix product. ... As an example, we consider the fundamental matrix of the Jacobi equation with random curvature to compute the invariant measure. ... Keywords: stationary distribution, product of matrices, integral equation, Jacobi equation . PostScript (in Russian) (4.70MB) . ...
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Ссылки http://num-meth.srcc.msu.ru/english/zhurnal/tom_2012/v13r122.html -- 3.6 Кб -- 24.04.2012
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358. "Modeling of flow separation at the inlet of a suction channel in regions with
Modeling of flow separation at the inlet of a suction channel in regions with cuts" . Averkova O.A., Logachev I.N., Logachev K.I. A method to model the detached flows at the inlet of a suction port in multiply connected regions with cuts (infinitely thin profiles) is developed. ... A numerical analytic method is proposed to determine the local drag coefficient at the inlet of the channel. ... Keywords: detached flow, method of discrete vortices in stationary formulation, suction channels . ...
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Ссылки http://num-meth.srcc.msu.ru/english/zhurnal/tom_2012/v13r132.html -- 3.1 Кб -- 19.04.2012
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359. "Parallel implementation of a three-dimensional hydrodynamic model of shallow
... Parallel implementation of a three-dimensional hydrodynamic model of shallow water basins on supercomputing systems" . Sukhinov A.I., Chistyakov A.E. A mathematical model for computing velocity fields for the case of coastal systems and shallow water basins such as the Sea of Azov is proposed. ... A parallel method and the numerical results obtained when modeling the hydrodynamic processes in the Sea of Azov with the use of the Azov3D software package designed in TIT SFedU are considered. ...
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Ссылки http://num-meth.srcc.msu.ru/english/zhurnal/tom_2012/v13r131.html -- 3.1 Кб -- 13.04.2012
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360. "Ab initio molecular dynamics: application perspectives of multi-CPU and hybrid
Ab initio molecular dynamics: application perspectives of multi-CPU and hybrid supercomputers" . Zhilyaev P.A., Stegailov V.V. A review is presented for the parallelization techniques of the ab initio molecular dynamics based on the electron density functional theory in the plane-wave basis. ... Keywords: ab initio calculations, molecular dynamics, parallel computing, supercomputers, conductivity . PostScript (in Russian) (10.4MB) . PDF (in Russian) (571KB) . ...
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Ссылки http://num-meth.srcc.msu.ru/english/zhurnal/tom_2012/v13r206.html -- 3.2 Кб -- 09.04.2012
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