Python function

global_shape_from_local

global_shape_from_local()

max.experimental.sharding.global_shape_from_local(local_shape, mesh, placements)

source

Derives the global shape from one local shard’s shape and placements.

Parameters:

• local_shape (Sequence[Dim]) – The shape of one local shard.
• mesh (DeviceMesh) – The device mesh.
• placements (Sequence[Placement]) – One Placement per mesh axis.

Returns:

The reconstructed global tensor shape.

Raises:

NotImplementedError – If placements contains a placement type other than Sharded, Replicated, or Partial.

Return type:

Shape

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