Einsum

Einstein summation.

Abstract Signature:

Einsum(equation: str, operands)

PyTorch

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

JAX (Core)

API: jnp.einsum
Strategy: Plugin (einsum_normalizer)

NumPy

API: numpy.einsum
Strategy: Plugin (einsum_normalizer)

Keras

API: keras.ops.einsum
Strategy: Plugin (einsum_normalizer)

TensorFlow

API: tf.einsum
Strategy: Plugin (einsum_normalizer)

Apple MLX

API: mlx.core.einsum
Strategy: Direct Mapping
Official Docs ↗

Flax NNX

API: jnp.einsum
Strategy: Plugin (einsum_normalizer)

PaxML / Praxis

API: jnp.einsum
Strategy: Plugin (einsum_normalizer)