Re: Solver performance solving examples/life_goe.mod

Chris Matrakidis <[email protected]> Sat, 26 Sep 2020 17:20:44 +0300
Newsgroups gmane.comp.gnu.glpk
Message-ID <CAEaJ3S4UD4JdQ1bNH=NyF3LicKF8Xz1+XsYT729Lugw6xg3oJQ@mail.gmail.com>
I made some performance improving patches a few years ago. You can find
them in: https://github.com/cmatraki/GLPK

Best Regards,

Chris Matrakidis

On Sat, 26 Sep 2020 at 14:54, Domingo Alvarez Duarte <[email protected]>
wrote:

> Hello !
>
> Testing GLPK I left it solving examples/lie_goe.mod for more than 2
> hours and it didn't found a solution (wasm and native) then I stopped
> then and tried with cplex/gurobi/xpress/scip all of then gives a
> solution instantly (except scip that takes 3s).
>
> The difference is so big, have someone managed through command line
> options or other means managed to get a solution quickly with glpsol ?
>
> Any idea of how to improve GLPK to not be so behind ?
>
> Cheers !
>
>
>