The documentation for blupf90 is available separately as a PDF document.
The following lines can be added at the end of parameter file for blupf90:


Available options:

OPTION conv_crit 1e-12
    
    Set convergence criteria (deault 1e-12).

OPTION maxrounds 10000
    
    Set maximum number of rounds (default 1000).

OPTION solv_method FSPAK

    Selection solutions by FSPAK, SOR or PCG (default PCG).

OPTION r_factor 1.6

    Set relaxation factor for SOR (default 1.4).

OPTION sol se

    Store solutions and s.e.

OPTION missing -999

    Missing observation (default 0).

OPTION residual

    y-hat and residual will be shown in yhat_residual.

OPTION blksize 3

    Set block size for preconditioner (default 1).