Lahey Support
08-15-2003, 01:19 AM
Marcio,
The -g, -sav and -stchk compiler options all increase the execution time of an LF95 executable.
Please see the LF95 User's Guide for a description of these switches.
David
[address removed] wrote:
>
> Hello everyone,
>
> I am working on parameter estimation of a reactor model, the computer
> code envolves matrix inversions and function evaluations. The same
> Fortran 77 code was compiled in the Watfor 11.0 and LF95.
>
> The compiling options in the LF95:
> -c -Nchk -trace -g -co -f95 -lst -sav -stchk -w -xref
>
> In the Watfor, the default was used (debug ON)
>
> The executable from the Watfor took 3secs. to run, while the LF95
> executable took 150s!!!!!
>
> Does anybody have any sugestion about how to reduce the execution
> time in the L95 executable.
>
> [ ]s
>
> Marcio
>
> ----------------------------------------
> Marcio Nele de Souza
> [address removed]
> Phone: +1-519-888-4567 ext. 5815 or 6637
> home: +1-519-885-6982
> Fax: +1-519-746-0435
> ------------------------------------------
> University of Waterloo
> Department of Chemistry
> 200 University Ave. W.
> Waterloo-ON N2L 3E1
> Canada
> -----------------------------------
The -g, -sav and -stchk compiler options all increase the execution time of an LF95 executable.
Please see the LF95 User's Guide for a description of these switches.
David
[address removed] wrote:
>
> Hello everyone,
>
> I am working on parameter estimation of a reactor model, the computer
> code envolves matrix inversions and function evaluations. The same
> Fortran 77 code was compiled in the Watfor 11.0 and LF95.
>
> The compiling options in the LF95:
> -c -Nchk -trace -g -co -f95 -lst -sav -stchk -w -xref
>
> In the Watfor, the default was used (debug ON)
>
> The executable from the Watfor took 3secs. to run, while the LF95
> executable took 150s!!!!!
>
> Does anybody have any sugestion about how to reduce the execution
> time in the L95 executable.
>
> [ ]s
>
> Marcio
>
> ----------------------------------------
> Marcio Nele de Souza
> [address removed]
> Phone: +1-519-888-4567 ext. 5815 or 6637
> home: +1-519-885-6982
> Fax: +1-519-746-0435
> ------------------------------------------
> University of Waterloo
> Department of Chemistry
> 200 University Ave. W.
> Waterloo-ON N2L 3E1
> Canada
> -----------------------------------