def sparse_split(split_dim, num_split, sp_input, name=None):
"""Split a `SparseTensor` into `num_split` tensors along `split_dim`.
If the `sp_input.shape[split_dim]` is not an integer multiple of `num_split`
each slice starting from 0:`shape[split_dim] % num_split` gets extra one
dimension. For example, if `split_dim = 1` and `num_split = 2` and the
input is:
input_tensor = shape = [2, 7]
[ a d e ]
[b c ]
Graphically the output tensors are:
output_tensor[0] =
[ a ]
[b c ]
output_tensor[1] =
[ d e ]
[ ]
Args:
split_dim: A 0-D `int32` `Tensor`. The dimension along which to split.
num_split: A Python integer. The number of ways to split.
sp_input: The `SparseTensor` to split.
name: A name for the operation (optional).
Returns:
`num_split` `SparseTensor` objects resulting from splitting `value`.
Raises:
TypeError: If `sp_input` is not a `SparseTensor`.
"""
if not isinstance(sp_input, ops.SparseTensor):
raise TypeError("Input must be a SparseTensor")
output_inds, output_vals, output_shapes = (gen_sparse_ops._sparse_split(
split_dim,
sp_input.indices,
sp_input.values,
sp_input.shape,
num_split,
name=name))
sparse_tensors = []
for i in range(0, num_split):
sparse_tensors.append(
ops.SparseTensor(output_inds[i], output_vals[i], output_shapes[i]))
return sparse_tensors
def sparse_split(split_dim, num_split, sp_input, name=None):
"""Split a `SparseTensor` into `num_split` tensors along `split_dim`.
If the `sp_input.shape[split_dim]` is not an integer multiple of `num_split`
each slice starting from 0:`shape[split_dim] % num_split` gets extra one
dimension. For example, if `split_dim = 1` and `num_split = 2` and the
input is:
input_tensor = shape = [2, 7]
[ a d e ]
[b c ]
Graphically the output tensors are:
output_tensor[0] =
[ a ]
[b c ]
output_tensor[1] =
[ d e ]
[ ]
Args:
split_dim: A 0-D `int32` `Tensor`. The dimension along which to split.
num_split: A Python integer. The number of ways to split.
sp_input: The `SparseTensor` to split.
name: A name for the operation (optional).
Returns:
`num_split` `SparseTensor` objects resulting from splitting `value`.
Raises:
TypeError: If `sp_input` is not a `SparseTensor`.
"""
if not isinstance(sp_input, ops.SparseTensor):
raise TypeError("Input must be a SparseTensor")
output_inds, output_vals, output_shapes = (
gen_sparse_ops._sparse_split(split_dim,
sp_input.indices,
sp_input.values,
sp_input.shape,
num_split,
name=name))
sparse_tensors = []
for i in range(0, num_split):
sparse_tensors.append(ops.SparseTensor(output_inds[i], output_vals[i],
output_shapes[i]))
return sparse_tensors
