Thank you for your answer.
I also performed the planned dive on last saturday (v3.01). The calculated deco was the following one (same gas) :
15m : 1min
12m : 4 min
9m : 5 min
6m : 5 min
3m : 11min
The ascent rate was around 10m/min. As you can see, it was very close to the simulated one and quite different than the v3.04. I stayed longer @3m due to difference between the computer of my buddy (other brand).
I will try the v3.04 in real dive this weekend.