Keeps float32's eight exponent bits and spends the savings on significand instead. The same range as single precision, so values that were representable before still are.
supersedescorrects · extends
classifiesspecializes · part-of
substitutes forapproximates · alternative-to
depends onrequires · validates
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correctsfixes a defect in Half Precisionfp16's exponent range underflows small gradients