When to use Fixed Point these days

Question

For intense number-crunching i\'m considering using fixed point instead of floating point. Of course it\'ll matter how many bytes the fixed point type is in size, on what CPU i

Answer 1

It's still worth it. Floating point is faster than in the past, but fixed-point is also. And fixed is still the only way to go if you care about precision beyond that guaranteed by IEEE 754.