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

From: Niklas Larsson (metaniklas at gmail.com)
Date: Sun Sep 16 06:26:19 EDT 2012

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.

Posted on the dev mailing list.