Vectorized Eigen Solver(VES)

Usage of Environment Variables within VSS & VES

Users can set some environment variables within VSS. These environment variables will give the user more control using the solver. These commands work only on UNIX OS.

1. LOOP_LEVEL

user can sets the loop_level to 1 or 3 or 6 which correspond the number of degrees of freedom per node. Default in the solver is 6. User can experiment using loop_level 3

Usage:

setenv LOOP_LEVEL 1

or

setenv LOOP_LEVEL 3

or

setenv LOOP_LEVEL 6

2. VES_DUMP

Users can write out the matrix when entering VES. This option helps the users to debug his matrix. Default is set to 0.

Usage:

setenv VES_DUMP 1

3. PRINT_VALUES

Users can print the eigen values to a file in an ASCII form using PRINT_VALUES to be 1. Default is set to 0.

Usage:

setenv PRINT_VALUES 1

4. PRINT_VECTORS

Users can print the eigen vectors to a file in an ASCII form using PRINT_VECTORS to be 1. Default is set to 0.

Usage:

setenv PRINT_VALUES 1

setenv PRINT_VECTORS 1

VES Page

SolverSoft Home Page