[ODE] Record and Playback

[DjArcas]

> On the other hand, compilers offer options to save the results of all FP
> calculations to RAM, which forces every computation to its minimum
> number of bits, so that you don't get this.  In gcc it's called
> "--float-store," in MSVC it's called "improve floating point consistency."

Isn't that an *enormous* speed hit? You're losing out all the speed
optimisations of registers, surely?