PyTorch
API: —
Strategy: Macro 'torch.mean(({value} == 0).float())'
JAX (Core)
API: —
Strategy: Macro 'jnp.mean({value} == 0)'
NumPy
API: —
Strategy: Macro 'np.mean({value} == 0)'
TensorFlow
API: tf.math.zero_fraction
Strategy: Direct Mapping
Apple MLX
API: —
Strategy: Macro 'mx.mean({value} == 0)'
Flax NNX
API: —
Strategy: Macro 'jnp.mean({value} == 0)'
PaxML / Praxis
API: —
Strategy: Macro 'jnp.mean({value} == 0)'