EIGENSOLVER

Section can be repeated.

Benchmark and test the eigensolver routines. [Edit on GitHub]

Keywords

• DIAG_METHOD

• EIGENVALUES

• INIT_METHOD

• N

• N_LOOP

Keyword descriptions

DIAG_METHOD

Type: enum
Default: SYEVD
Usage: DIAG_METHOD syevd

Description: Diagonalization strategy

Valid values:

• SYEVD (sca)lapacks syevd

• SYEVX (sca)lapacks syevx

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EIGENVALUES

Type: integer
Default: -1
Usage: EIGENVALUES 13

Description: number of eigenvalues to be computed (all=<0)

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INIT_METHOD

Type: enum
Default: RANDOM
Usage: INIT_METHOD RANDOM

Description: Initialization approach

Valid values:

• RANDOM use a random initial matrix

• READ read a matrix from file MATRIX

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N

Type: integer
Default: 256
Usage: N 1024

Description: Dimension of the square matrix

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N_LOOP

Type: integer
Default: 10
Usage: N_LOOP 10

Description: Number of operations being timed (useful for small matrices).

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