Excellent Seems likely that a big reason for the increase was unseen, but cumulatively huge. When everyone is not rushing so much, fewer interruptions happen.

Excellent Seems likely that a big reason for the increase was unseen, but cumulatively huge. When everyone is not rushing so much, fewer interruptions happen. Each is tiny, but the cost of context switching is cumulative and even nonlinear. You're benefitting from bending that in the good direction - reducing thrashing.