Re: [Help-glpk] Thread safety of GLPK

[Andrew Makhorin]

> Just to confirm my understanding, are you saying if I make the
> changes you describe below, that as long as each call to the solver
> referencing the GLPK data structure instances for a single LP problem
> are made from the one thread, i.e. sequentially, I'm fine?

Yes. Please see an implementation example:

http://lists.gnu.org/archive/html/help-glpk/2009-12/msg00008.html

(note that the routine names were changed in v4.43; you need to
change the glpenv02.c module).

> I only run into thread safety issues if I were to create multiple
> threads to make GLPK calls on the same LP problem.

> In summary, one thread per LP problem is fine? As this is what I
> want, I only need to be able to run X threads solving X LP problems,
> one each concurrently to be at the MT level I require.

> I do not require MT safe access to a single LP problem.