> > That is true, but the question is how significant the overhead is. If > > it's 50% then reducing it would make perfect sense. If it's 1% then no > > one if going to be bothered by it. > > I think it's pretty clear that it's going to be way way much more than > 1%. Good news but not sure to anderstand why. > It's trivial to construct cases where input parsing / output > formatting takes the majority of the time. Binary -> ORC ^ | PROGRAM parsing/output formating on the fly > And a lot of that you're going to be able to avoid with binary formats. Still the above diagram shows both parsing/formating step, isn't it ?