Unum

Unum is a variable-sized floating point number format designed for accuracy and energy efficiency. It was developed by John L. Gustafson. Its name was derived from the words "universal number".

Links

 * Unum (number format)
 * The end of (numeric) error: an interview with John L. Gustafson
 * An Energy Efficient and Massively Parallel Approach to Valid Numerics (video)
 * The End of Error: Unum Computing (book)