-------- Forwarded Message -------- From: Jeffrey Kantor <jeff.kan...@gmail.com> To: Chris Matrakidis <cmatr...@gmail.com> Cc: Domingo Alvarez Duarte <mingo...@gmail.com>, help-glpk@gnu.org <help -g...@gnu.org> Subject: Re: Solver performance solving examples/life_goe.mod Date: Sat, 26 Sep 2020 10:23:18 -0400
> Will there be a point where the GLPK package will be opened for > collaborative development using, say, GitHub? > > > On Sep 26, 2020, at 10:20 AM, Chris Matrakidis <cmatr...@gmail.com> > > wrote: > > > > 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 <mingodad@gmail > > .com> 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 ! > > > > > > > > > > >