If there is no need for predicting memory utilization, then doesn't real time GC fit the bill? Consider all your know w/e you want execute in time T. A real tim

If there is no need for predicting memory utilization, then doesn't real time GC fit the bill? Consider all your know w/e you want execute in time T. A real time GC make sure it always execute in time 2T. For any sequence of operations.