Most Intel and AMD CPUs produced in the last ~10 years have hardware support for converting 16-bit floats to and from 32-bit. That's not full hardware support o

Most Intel and AMD CPUs produced in the last ~10 years have hardware support for converting 16-bit floats to and from 32-bit. That's not full hardware support of course, but you don't need it to be able to make good use of them. https://en.wikipedia.org/wiki/F16C https://en.wikipedia.org/wiki/F16C