It's mentioned here that Stack Overflow community and Stack Exchange will receive reputation retroactively based on asked questions in the past.
We’re recalculating reputation for every Stack Overflow and Stack Exchange individual based on this change. Every question upvote earned in the past will earn a value of ten reputation points retroactively.
What's not clear to me:
In the reputation graph, (that can be found in the profile) will there be a one time bonus for all the gained reputation or the graph will get redrawn according to the user's new reputation?