Precision

class composer.core.Precision(value)

Enum class for the numerical precision to be used by the model.

FP32

Use 32-bit floating-point precision. Compatible with CPUs and GPUs.

AMP_FP16

Use torch.amp with 16-bit floating-point precision. Only compatible with GPUs.

AMP_BF16

Use torch.amp with 16-bit BFloat precision.

AMP_FP8

Use transformer_engine.pytorch.fp8_autocast with 8-bit FP8 precison.