PARAM, AMLS

Bulk Data Entry Use external AMLS eigenvalue solver.

Parameter	Values	Description
`AMLS`	<YES, NO>	This parameter is used to invoke the external `AMLS` eigenvalue solver. This solver is faster than the Lanczos solver for large eigenvalue problems. YES The external `AMLS` eigenvalue solver is used. NO (Default) The internal Lanczos eigenvalue solver is used. Refer to AMLS (Automatic Multi-level Sub-structuring) Eigensolver in the User Guide for more details.

Parameter

Values

Description

AMLS

<YES, NO>

This parameter is used to invoke the external AMLS eigenvalue solver. This solver is faster than the Lanczos solver for large eigenvalue problems.

Refer to AMLS (Automatic Multi-level Sub-structuring) Eigensolver in the User Guide for more details.

Comments

AMLS must be installed on the system and the environment variable AMLS_EXE must point to the AMLS executable for this setting to work.