[Scip] Does scip support choosing the solver from client code?

[Christophe-Marie Duquesne]

On Tue, May 31, 2011 at 11:54 AM, Timo Berthold <berthold at zib.de> wrote:
> Dear Christophe-Marie.
>
> There is always only one LP solver compiled into one binary. It is not
> possible to choose or even switch between different LP solvers during
> runtime. However, comparing speed can be easily done by comparing the
> performance of the two SCIP binaries.
>
> If you like to compare performance for more than a single instance, you
> may consider to use SCIP's automatic testing scripts for this, see
> http://scip.zib.de/doc/html/TEST.html
>
> If, e.g., you wanted to compare SCIP with SoPlex and Cplex as LP solver,
> this would work as follows:
> make LPS=spx; make LPS=cpx; make LPS=spx TEST=mytestset test; make LPS=cpx
> TEST=mytestset test; cd check; allcmpres.sh results/*mytestset*.res
> where check/mytestset.test is a file listing the location of your test
> instances.

Thank you Timo.

If you ever consider changing that in the design of SCIP, just let me
know. I am the author of a library that would probably make this
process easier: see https://code.google.com/p/lazylpsolverlibs/. I
would be delighted to help.

Cheers,
Christophe-Marie