What would be more optimized?

I'm making a class mod and I want each class to have their own passives, would it be more optimized to run each class on tick individually or though another one?

Example 1:
MageClass: on tick

BruiserClass: on tick

Example 2:

ClassClass on tick

    If class = 1
        call MageClass

    else If class = 2
        call BruiserClass

What would be better?