chb2st_kernels.f - Online Linux Manual PageSection : 3
Updated : Tue Nov 14 2017
Source : Version 3.8.0
Note : LAPACK
NAMEchb2st_kernels.f
SYNOPSIS
Functions/Subroutinessubroutine chb2st_kernels (UPLO, WANTZ, TTYPE, ST, ED, SWEEP, N, NB, IB, A, LDA, V, TAU, LDVT, WORK)
CHB2ST_KERNELS
Function/Subroutine Documentation
subroutine chb2st_kernels (character UPLO, logical WANTZ, integer TTYPE, integer ST, integer ED, integer SWEEP, integer N, integer NB, integer IB, complex, dimension( lda, * ) A, integer LDA, complex, dimension( * ) V, complex, dimension( * ) TAU, integer LDVT, complex, dimension( * ) WORK)CHB2ST_KERNELS Purpose: CHB2ST_KERNELS is an internal routine used by the CHETRD_HB2ST
subroutine.Parameters: UPLO UPLO is CHARACTER*1
WANTZ WANTZ is LOGICAL which indicate if Eigenvalue are requested or both
Eigenvalue/Eigenvectors.
TTYPE TTYPE is INTEGER
ST ST is INTEGER
internal parameter for indices.
ED ED is INTEGER
internal parameter for indices.
SWEEP SWEEP is INTEGER
internal parameter for indices.
N N is INTEGER. The order of the matrix A.
NB NB is INTEGER. The size of the band.
IB IB is INTEGER.
A A is COMPLEX array. A pointer to the matrix A.
LDA LDA is INTEGER. The leading dimension of the matrix A.
V V is COMPLEX array, dimension 2*n if eigenvalues only are
requested or to be queried for vectors.
TAU TAU is COMPLEX array, dimension (2*n).
The scalar factors of the Householder reflectors are stored
in this array.
LDVT LDVT is INTEGER.
WORK WORK is COMPLEX array. Workspace of size nb.Further Details: Implemented by Azzam Haidar.
All details are available on technical report, SC11, SC13 papers.
Azzam Haidar, Hatem Ltaief, and Jack Dongarra.
Parallel reduction to condensed forms for symmetric eigenvalue problems
using aggregated fine-grained and memory-aware kernels. In Proceedings
of 2011 International Conference for High Performance Computing,
Networking, Storage and Analysis (SC '11), New York, NY, USA,
Article 8 , 11 pages.
http://doi.acm.org/10.1145/2063384.2063394
A. Haidar, J. Kurzak, P. Luszczek, 2013.
An improved parallel singular value algorithm and its implementation
for multicore hardware, In Proceedings of 2013 International Conference
for High Performance Computing, Networking, Storage and Analysis (SC '13).
Denver, Colorado, USA, 2013.
Article 90, 12 pages.
http://doi.acm.org/10.1145/2503210.2503292
A. Haidar, R. Solca, S. Tomov, T. Schulthess and J. Dongarra.
A novel hybrid CPU-GPU generalized eigensolver for electronic structure
calculations based on fine-grained memory aware tasks.
International Journal of High Performance Computing Applications.
Volume 28 Issue 2, Pages 196-209, May 2014.
http://hpc.sagepub.com/content/28/2/196 Definition at line 170 of file chb2st_kernels.f.
AuthorGenerated automatically by Doxygen for LAPACK from the source code. 0
Johanes Gumabo
Data Size : 14,282 byte
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