CountNonzero

Counts the number of non-zero values in the tensor input along the given dim.

Abstract Signature:

CountNonzero(input: Tensor, dim: Union[int, Tuple[int]])

PyTorch

API: torch.count_nonzero
Strategy: Direct Mapping
Official Docs ↗

JAX (Core)

API: jax.numpy.count_nonzero
Strategy: Direct Mapping
Official Docs ↗

NumPy

API: numpy.count_nonzero
Strategy: Direct Mapping
Official Docs ↗

Keras

API: keras.ops.count_nonzero
Strategy: Direct Mapping
Official Docs ↗

TensorFlow

API: tf.math.count_nonzero
Strategy: Direct Mapping
Official Docs ↗

Apple MLX

API: mlx.core.count_nonzero
Strategy: Macro 'mlx.core.sum({a} != 0, axis={axis})'

Flax NNX

API: jax.numpy.count_nonzero
Strategy: Direct Mapping
Official Docs ↗

PaxML / Praxis

API: jax.numpy.count_nonzero
Strategy: Direct Mapping
Official Docs ↗