Search Results - "Parallel Numerical algorithms"

A Multi-GPU Aggregation-Based AMG Preconditioner for Iterative Linear Solvers by Bernaschi, Massimo, Celestini, Alessandro, Vella, Flavio, D'Ambra, Pasqua

“…We present and release in open source format a sparse linear solver which efficiently exploits heterogeneous parallel computers. The solver can be easily…”
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Numerical solution of the expanding stellar atmosphere problem by Hauschildt, Peter H., Baron, E.

“…In this paper we discuss numerical methods and algorithms for the solution of NLTE stellar atmosphere problems involving expanding atmospheres, e.g., found in…”
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Scalability analysis of different parallel solvers for 3D fractional power diffusion problems by Čiegis, Raimondas, Starikovičius, Vadimas, Margenov, Svetozar, Kriauzienė, Rima

“…Summary In this paper, we develop and investigate the parallel numerical algorithms for three different state‐of‐the‐art numerical methods for solving the…”
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Parallel solvers for fractional power diffusion problems by Čiegis, Raimondas, Starikovičius, Vadimas, Margenov, Svetozar, Kriauzienė, Rima

“…Summary Mathematical models with fractional‐order differential operators are computationally expensive due to the non‐local nature of these operators. In this…”
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A parallel hybrid banded system solver: the SPIKE algorithm by Polizzi, Eric, Sameh, Ahmed H.

“…This paper describes an efficient and robust hybrid parallel solver “the SPIKE algorithm” for narrow-banded linear systems. Two versions of SPIKE with their…”
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Scalable Heterogeneous CPU-GPU Computations for Unstructured Tetrahedral Meshes by Langguth, Johannes, Sourouri, Mohammed, Lines, Glenn Terje, Baden, Scott B., Xing Cai

“…A recent trend in modern high-performance computing environments is the introduction of powerful, energy-efficient hardware accelerators such as GPUs and Xeon…”
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A parallel sparse linear system solver based on Hermitian/skew-Hermitian splitting by Zhang, Zhengyi, Sameh, Ahmed H.

“…In this paper we describe a parallel algorithm for solving large sparse nonsingular linear systems Ax=f, of order n, using the Hermitian Skew-Hermitian…”
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Supercomputer simulation of nonlinear problems of fluid dynamics in cores by Podryga, V. O., Polyakov, S. V., Puzyrkov, D. V.

“…This report focuses on technology of supercomputer simulation of nonlinear processes in the cores, extracted from oil and gas production wells in order to…”
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Fault tolerant algorithms for heat transfer problems by Ltaief, Hatem, Gabriel, Edgar, Garbey, Marc

“…With the emergence of new massively parallel systems in the high performance computing area allowing scientific simulations to run on thousands of processors,…”
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Efficient deterministic parallel simulation of 2D semiconductor devices based on WENO-Boltzmann schemes by Mantas, José M., Cáceres, María J.

“…A flexible parallel deterministic solver of the Boltzmann–Poisson system for 2D semiconductor device simulation on computer clusters is presented. The…”
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Tests and tolerances for high-performance software-implemented fault detection by Turmon, M., Granat, R., Katz, D.S., Lou, J.Z.

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High-Performance SVD Partial Spectrum Computation by Keyes, David, Ltaief, Hatem, Nakatsukasa, Yuji, Sukkari, Dalal

“…We introduce a new singular value decomposition (SVD) solver based on the QR-based Dynamically Weighted Halley (QDWH) algorithm for computing the partial…”
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Computational forces in the Linpack benchmark by Numrich, Robert W.

“…Dimensional analysis reduces a complicated ten-parameter formula for the execution time of the Linpack benchmark to a simpler two-parameter formula. These two…”
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Numerical integration of Maxwell’s full-vector equations in nonlinear focusing media by Bennett, Paul M., Aceves, Alejandro

“…In this paper, we present results of parallel numerical simulations on Maxwell’s equations. The parallel code is used to study the effect of the instantaneous…”
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Performance of preconditioners for the distributed vector finite-element time-domain algorithm by Nicolas, A., Nicolas, L., Vollaire, C., Butrylo, B.

“…This paper deals with some aspects of performance of the symmetric successive over-relaxation preconditioner in a distributed environment. The details of…”
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Parallel Simulations for Fractional-Order Systems by Baban, Andrada, Bonchis, Cosmin, Fikl, Alexandru, Rosu, Florin

“…In this paper, we explore how numerical calculations can be accelerated by implementing several numerical methods of fractional-order systems using parallel…”
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Execution Behavior Analysis of Parallel Schemes for Implicit Solution Methods for ODEs by Kalinnik, Natalia, Rauber, Thomas

“…In this article, we consider diagonal-implicitly iterated Runge-Kutta (DIIRK) methods for the numerical solution of stiff ordinary differential equations…”
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Parallel versions of Stone's strongly implicit algorithm by Reeve, J. S., Scurr, A. D., Merlin, J. H.

“…In this paper, we describe various methods of deriving a parallel version of Stone's Strongly Implicit Procedure (SIP) for solving sparse linear equations…”
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Survey of Parallel Block Methods by Bashir M. Khalaf, Mohammed A. Al-Taee, Abdulhabib Abdullah

“…Abstract The main purpose of this research is the survey of the development Block parallel numerical algorithms for solute stiff ordinary differential…”
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Globally convergent iterative numerical schemes for nonlinear variational image smoothing and segmentation on a multiprocessor machine by Heers, J., Schnorr, C., Stiehl, H.S.

“…We investigate several iterative numerical schemes for nonlinear variational image smoothing and segmentation implemented in parallel. A general iterative…”
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