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Numerical linear algebra / QR decomposition / QR algorithm / Orthogonal matrix / Householder transformation / Kernel / Eigenvalues and eigenvectors / Matrix multiplication / LU decomposition / Algebra / Linear algebra / Mathematics


Reconstructing Householder Vectors from Tall-Skinny QR Grey Ballard James Demmel Laura Grigori
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Document Date: 2013-10-26 16:17:06

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City

Paris / Livermore / /

Company

GPU / France 4 Lawrence Berkeley National Laboratory / Edgar Solomonik2 1 Sandia National Laboratories / /

Country

United States / /

Currency

pence / /

Facility

University Abstract The Tall-Skinny QR / /

IndustryTerm

software engineering / factorization algorithms / recent algorithm / communication-avoiding algorithms / distributed-memory systems / 2D algorithm / 2D algorithms / pc processors / recursive-doubling algorithms / 1D algorithm / reconstruction algorithm / software development / reduction algorithm / multicore processors / sequential algorithm / computing / /

Organization

University of California / U.S. Department of Energy / office of Science / National Energy Research Scientific Computing Center / Department of Energy Computational Science Graduate Fellowship / /

Person

Hong Diep / Ai / Yi / Mathias Jacquelin Hong Diep Nguyen Edgar Solomonik / Jack Poulson / Laura Grigori Mathias Jacquelin / /

Position

algorithmic performance cost model for parallel execution on p processors / author / /

Product

Householder / /

ProvinceOrState

California / /

Technology

TSQR algorithm / Householder reconstruction algorithm / parallel QR algorithms / 2D algorithms / scalar quantities.1 We present Algorithm / two processors / recursive-doubling algorithms / 1.2 2D Algorithm / 6 Algorithm / 7 Algorithm / 1.1 1D Algorithm / multicore processors / reduction algorithm / Householder algorithm / QR factorization algorithms / so-called communication-avoiding algorithms / sequential algorithm / 2.2 2D Algorithm / one processor / block QR algorithm / 2D algorithm / final parallel QR algorithm / known algorithm / Householder-QR algorithm / 1D algorithm / 3 Algorithm / The 2D algorithm / 2.1 1D Algorithm / 5 Algorithm / pc processors / /

URL

http /

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