Section EIGENSOLVER

• Benchmark and test the eigensolver routines.

• Section path: CP2K_INPUT / TEST / EIGENSOLVER

• This section can be repeated and can be optional.

• Subsections

  • none

• Keywords

  • DIAG_METHOD
  • EIGENVALUES
  • INIT_METHOD
  • N
  • N_LOOP

• Keyword descriptions

  DIAG_METHOD
  	DIAG_METHOD SYEVD
  	Diagonalization strategy
  	This optional keyword cannot be repeated and it expects precisely one keyword.
  	Default value: SYEVD
  	List of valid keywords: SYEVD (sca)lapacks syevd SYEVX (sca)lapacks syevx

  EIGENVALUES
  	EIGENVALUES 13
  	number of eigenvalues to be computed (all=<0)
  	This optional keyword cannot be repeated and it expects precisely one integer.
  	Default value: -1

  INIT_METHOD
  	INIT_METHOD RANDOM
  	Initialization approach
  	This optional keyword cannot be repeated and it expects precisely one keyword.
  	Default value: RANDOM
  	List of valid keywords: RANDOM use a random initial matrix READ read a matrix from file MATRIX

  N
  	N 1024
  	Dimension of the square matrix
  	This optional keyword cannot be repeated and it expects precisely one integer.
  	Default value: 256

  N_LOOP
  	N_LOOP 10
  	Number of operations being timed (useful for small matrices).
  	This optional keyword cannot be repeated and it expects precisely one integer.
  	Default value: 10