Title :
A parallel unsymmetric eigensolver
Author :
Henry, Greg ; Van De Geijn, Robert
Author_Institution :
Supercomput. Syst. Div., Intel Corp., Beaverton, OR, USA
Abstract :
This paper describes a parallel implementation of the serial unsymmetric QR algorithm DLAHQR from LAPACK. We describe a one and two dimensional block Hankel-wrapped storage, which is an alternative storage scheme that we show allows for greater efficiency that standard storage schemes
Keywords :
eigenvalues and eigenfunctions; matrix algebra; parallel algorithms; DLAHQR; Hankel-wrapped storage; LAPACK; distributed memory unsymmetric eigenvalue problem; parallel algorithms; parallel unsymmetric eigensolver; serial unsymmetric QR algorithm; storage scheme; unsymmetric Hessenberg matrix; Concurrent computing; Data structures; Distributed computing; Eigenvalues and eigenfunctions; Linear systems; Matrix decomposition; Parallel algorithms; Polynomials; Supercomputers;
Conference_Titel :
Scalable High-Performance Computing Conference, 1994., Proceedings of the
Conference_Location :
Knoxville, TN
Print_ISBN :
0-8186-5680-8
DOI :
10.1109/SHPCC.1994.296623
