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IQ.Pilot Release Commit @ b6534c0

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IQ.Lvbs CI [bot]
2026-08-27 20:17:33 -05:00
commit 00f07cac48
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16
artifacts/package_sources/tinygrad/extra/f16_decompress.py Normal file
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from tinygrad import Tensor
def bit_extract(x: Tensor, e: int, s: int) -> Tensor:
mask = (1 << (e - s + 1)) - 1
return (x >> s) & mask
def u16_to_f16(x: Tensor) -> Tensor:
sign = bit_extract(x, 15, 15).bool()
exponent = bit_extract(x, 14, 10).float()
fraction = bit_extract(x, 9, 0).float()
return sign.where(-1, 1) * exponent.bool().where((exponent - 15.0).exp2() * (1 + fraction / 1024.0), 6.103515625e-5 * (fraction / 1024.0))
def u32_to_f16(oo: Tensor) -> Tensor:
f1 = u16_to_f16(oo>>16)
f2 = u16_to_f16(oo&0xFFFF)
return Tensor.cat(f2.reshape(-1, 1), f1.reshape(-1, 1), dim=1).flatten()