Hi!

Guillaume Richaud wrote:

I tried to solve some problems with Gecode/J and the time spend to solve the same instance seems to be quite unstable. In the example QueensJavaPropagator, i removed Distinct constraints. So, the solver just had to instantiate each variable to find a solution.
[...]
ps: I also tried to force garbage collector before solving...

Did you try running it with
java -verbose:gc QueensJavaPropagator
?

That way you should see if it's due to gc.

Cheers,
        Guido

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