On: Intel Underestimates Error Bounds by 1.3 quintilli...

[triska]

John Gustafson has developed several promising alternatives, such as unums, posits and valids:

https://posithub.org/about

I also recommend his book, The End of Error - Unum Computing:

https://www.crcpress.com/The-End-of-Error-Unum-Computing/Gus...

A transcript of a debate with William Kahan is here:

http://www.johngustafson.net/pdfs/DebateTranscription.pdf