First optimization :
EXP (ms) : 8.057692
STD (ms) : 0.750000
MIN (ms) : 7.307692
MAX (ms) : 8.807692
Second optimization :
EXP (ms) : 2.173077
STD (ms) : 0.038462
MIN (ms) : 2.134615
MAX (ms) : 2.211538
