BFloat16 Format - BFloat16 Format - 5.3 English - 68552

AOCL API Guide (68552)

Document_ID
68552
Release_Date
2026-05-13
Version
5.3 English

BFloat16 (Brain Floating Point) is a 16-bit floating point format:

  • 1 bit: Sign

  • 8 bits: Exponent (same as float32)

  • 7 bits: Mantissa (reduced from float32’s 23 bits)