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A goal of this work is to study the influence of feedback on halo.  Specially, I'm trying to quantify the change in the SFR for different class of halo mass.  Has seen in the CODA simulation \cite{ocvirk_cosmic_2015}, I'm expecting a diminution of the instantaneous SFR in the less massive halo ($M<10^9M_{\odot}$).  I also see a strong dependency of how the energy is injected on the variation of SFR. I'll show that the choice of model of supernovae change drastically the results, while the total injected energy is conserved.  Furthermore, I observe a dependency of the stellar mass resolution on how the reionization occur while the total number of emitted photons is conserved.  %I see that the way feedback is implemented has a big impact on the simulation response even if the total energy is the same.