[racket-dev] What are single flonums good for?

2012/9/15 Robby Findler <robby at eecs.northwestern.edu>:
>
> At this point, I'm still left wondering if Single-Flonums are good for
> anything, but I can imagine that they are good for not breaking old
> programs, so probably best to leave well enough alone.
>

One use case for singles is offloading computations to a graphics
card. GPUs are heavily optimized for single precision floats, some
cards still don't support doubles at all, most have much lower
performance with them.