Unum

File Format
Name	Unum
Ontology	Electronic File Formats Elements of File Formats Unum
Released	~2013

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

• Wikipedia: 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)