Deterministic representation receipt · no benchmark

Float16Array vs Float32Array lab

This lab measures JavaScript storage conversion on fixed vectors with explicit NaN and signed-infinity serialization. It does not benchmark a GPU, prove shader arithmetic width, or predict model quality.

Vector contract

Values (2–64; finite, NaN, +Infinity, −Infinity)Declared WebGPU f16 gate

Storage and error

Value ledger

Source	Half bits	Half round trip	Float32 round trip	Absolute error	Relative error	Class

Float16Array vs Float32Array lab

Vector contract

Storage and error

Value ledger

Double-rounding negative fixture

Exportable receipt