2007/5/31, Jon Harrop <jon@ffconsultancy.com>:
>
> OCaml only handles 64-bit floats because there is no point in computing with
> 32-bit floats any more. However, there is point in storing 32-bit floats as,
> when you have a lot of them, your program uses half as much heap and is twice
> as cache coherent. My ray tracer is an excellent example of a program that
> can benefit from this.

Talking about lots of float, I suppose you meant arrays. In that case,
can't you use the bigarray module? Or does the overhead of the FFI
cancel out the benefit of the improved cache coherency?

(note: I know little about bigarrays, and nothing about your code)

Cheers,
Loup