Easy to follow up until "two-level adaptive, global", then it became harder to read. But I'm still going. Note that there is a typo here: "P(A not taken) + P(B

Easy to follow up until "two-level adaptive, global", then it became harder to read. But I'm still going. Note that there is a typo here: "P(A not taken) + P(B taken)". Suppose to be: "P(A not taken) * P(B taken)".