[gecode-users] Gecode/J and time stability

Guido Tack tack at ps.uni-sb.de
Fri Nov 2 11:37:14 CET 2007


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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