Here is an IRC log of a discussion[1] I had about this topic in the #musl IRC channel. The folks in this channel are the developers behind musl-libc[2]. The conclusion drawn is that some poor design decisions were made that make the fast types not worth using.<p>[1]: <a href="https:&#x2F;&#x2F;gist.github.com&#x2F;andrewrk&#x2F;ac66b24a0a202d87cea7" rel="nofollow">https:&#x2F;&#x2F;gist.github.com&#x2F;andrewrk&#x2F;ac66b24a0a202d87cea7</a><p>[2]: <a href="http:&#x2F;&#x2F;www.musl-libc.org&#x2F;" rel="nofollow">http:&#x2F;&#x2F;www.musl-libc.org&#x2F;</a>