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Mojo function

transpose_4d_swap_middle

def transpose_4d_swap_middle[rank: Int, dtype: DType, //](output: TileTensor[dtype, Storage=output.Storage, linear_idx_type=output.linear_idx_type], input: TileTensor[dtype, Storage=input.Storage, linear_idx_type=input.linear_idx_type], perms: Pointer[Int, _safe=False], simplified_input_shape: IndexList[rank], simplified_rank: Int, ctx: Optional[DeviceContext] = None)

Transposes the middle two axes of a rank-4 tensor.

Maps an LxMxNxK input to an LxNxMxK output by swapping the M and N axes while copying contiguous K-sized slices.

Parameters:

rank (Int): Number of dimensions in the simplified_input_shape array (inferred).
dtype (DType): Element type of the input and output buffers (inferred).

Args:

output (TileTensor[dtype, Storage=output.Storage, linear_idx_type=output.linear_idx_type]): The output buffer with the middle two axes swapped.
input (TileTensor[dtype, Storage=input.Storage, linear_idx_type=input.linear_idx_type]): The input buffer.
perms (Pointer[Int, _safe=False]): Permutation of the input axes.
simplified_input_shape (IndexList[rank]): Shape of the tensor after simplification.
simplified_rank (Int): Effective rank after simplification.
ctx (Optional[DeviceContext]): The context to execute the work on.