What is the test for determining the proportionality of a sentence for a convicted drug dealer?

Perez claims his sentence is unconstitutional because it is disproportionate relative to the punishment his accomplices received. What we have previously held is that "the federal Constitution does not require us to incorporate into our proportionality determination any comparison of defendant's sentence with that of another culpable person, whether charged or uncharged." ( People v. Hill , supra , 3 Cal.4th at p. 1014, 13 Cal.Rptr.2d 475, 839 P.2d 984.) Even if we were to

[4 Cal.5th 465]