Výsledky vyhledávání - "Numerical Algorithms and Problems"

SunwayLB: Enabling Extreme-Scale Lattice Boltzmann Method Based Computing Fluid Dynamics Simulations on Advanced Heterogeneous Supercomputers Autor Liu, Zhao, Chu, Xuesen, Lv, Xiaojing, Meng, Hongsong, Liu, Hanyue, Zhu, Guanghui, Fu, Haohuan, Yang, Guangwen

“…The Lattice Boltzmann Method (LBM) is a class of Computational Fluid Dynamics methods which models the fluid as fictive particles. In this paper, we report our…”
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Static Seeding and Clustering of LSTM Embeddings to Learn From Loosely Time-Decoupled Events Autor Manasseh, Christian G., Veliche, Razvan, Bennett, Jared, Clouse, Hamilton Scott

“…Humans learn from the occurrence of events at different places and times to predict similar trajectories of events. We define loosely decoupled time (LDT)…”
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Description and Solution of an Unreported Intrinsic Bias in Photon Mapping Density Estimation with Constant Kernel Autor García, R., Ureña, C., Sbert, M.

“…This paper presents an analysis of the irradiance estimator often used in photon mapping algorithms and concludes that the classical approach with a constant…”
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High performance finite element approximate inverse preconditioning Autor Giannoutakis, Konstantinos M., Gravvanis, George A.

“…A new parallel normalized optimized approximate inverse algorithm, based on the concept of the “fish bone” computational approach satisfying an antidiagonal…”
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Cross-Platform Optimization and Benchmarking of the Lattice Boltzmann Method on Heterogeneous Architectures Autor Zhu, Guanghui, Lv, Xiaojing, Liu, Zhao, Liu, Tao, Zhang, Wusheng, Fan, Yujing, Yu, Hongkun, Gao, Zhanyun, Shang, Jiandong

“…The Lattice Boltzmann Method (LBM) has gained attention for its ability to handle complex fluid dynamics simulations, making it suitable for large-scale…”
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Division-free computation of subresultants using Bezout matrices Autor Kerber, Michael

“…We present an algorithm to compute the subresultant sequence of two polynomials that completely avoids division in the ground domain, generalizing an algorithm…”
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Method of trimming PDE surfaces Autor Ugail, Hassan

“…A method for trimming surfaces generated as solutions to partial differential equations (PDEs) is presented. The work we present here utilises the 2D parameter…”
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A variance analysis of the Metropolis Light Transport algorithm Autor Ashikhmin, Michael, Premože, Simon, Shirley, Peter, Smits, Brian

“…The Metropolis Light Transport algorithm is a variant of the classic Metropolis method used in statistical physics. A variance analysis of the Metropolis Light…”
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The Computational Complexity of Random Variables with Uniform, Exponential and Pareto Distributions in Real and Interval Forms Autor Fonseca Finger, Alice, Brum Loreto, Aline, Signori Furlan, Vinicius

“…To obtain the numerical value of the Uniform, Exponential and Pareto distributions is necessary to use numerical integration and its value is obtained by…”
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The computational complexity of problems to compute intervals wrappers for random variables uniform, Exponential and Pareto Autor Finger, A. F., Loreto, A. B., Campos, M. A., Varjao, F. R. G., dos Santos, M. D.

“…When working with floating point numbers the result is only an approximation of a real value and errors generated by rounding or by instability of the…”
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On the performance of a direct parallel method for solving separable elliptic equations based on block cyclic eduction Autor Kelleher, Kevin, Lakshmivarahan, S., Dhall, Sudarshan

“…A comparison of the performance of the Buneman's version of the block cyclic reduction (BCR) algorithm based on a) polynomial factorization and b) partial…”
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Systolic givens factorization of dense rectangular matrices Autor Cosnard, Michel, Robert, Yves

“…Given an m by n dense matrix A(m≧n) we consider parallel algorithms to compute its orthogonal factorization via Givens rotations. First we describe an…”
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Block LU decompositon of a band matrix on a systolic array Autor Robert, Yves

“…After a brief discussion on systolic arrays for band matrix LU or QR decomposition, we introduce a new systolic array for the block 2x2 LU decompositon of a…”
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