@mike_acton Interesting, but since float log2 and exp2 are newton raphsonable, in recent ip they tend to be machine instructions unto themselves

type	archive
source	twitter
date	2023-08-04
tags	archive, twitter, mike_acton
description	@mike_acton Interesting, but since float log2 and exp2 are newton raphsonable, in recent ip they tend to be machine instructions unto themselves

Aug 04, 20231 min read

Source

1/ @bmcnett

@mike_acton

Interesting, but since float log2 and exp2 are newton raphsonable, in recent ip they tend to be machine instructions unto themselves

2/ @mike_acton

@bmcnett

Though was a handy way to remap to 0-1, which is what I was looking for.

Mike Day’s paper got me thinking about abusing floating point more so I had a use and made this little gem today… (compare to inv_lerp)