support BatchToSpaceND and SpaceToBatchND

mindspore/ccsrc/kernel/tbe/tbe_adapter.cc

@@ -82,6 +82,8 @@ static std::map<string, string> tbe_func_adapter_map = {
   {"argmax", "arg_max_d"},
   {"space_to_batch", "space_to_batch_d"},
   {"batch_to_space", "batch_to_space_d"},
+  {"space_to_batch_nd", "space_to_batch_nd_d"},
+  {"batch_to_space_nd", "batch_to_space_nd_d"},
   {"resize_bilinear", "resize_bilinear_v2_d"},
   {"resize_bilinear_grad", "resize_bilinear_v2_grad"},
   {"adam", "apply_adam"},

mindspore/ops/_grad/grad_array_ops.py

@@ -536,3 +536,23 @@ def get_bprop_batch_to_space(self):
         dx = batch_to_space_grad(dout)
         return (dx,)
     return bprop
+
+
+@bprop_getters.register(P.SpaceToBatchND)
+def get_bprop_space_to_batch_nd(self):
+    """Generate bprop for SpaceToBatchND"""
+    space_to_batch_nd_grad = P.BatchToSpaceND(self.block_shape, self.paddings)
+    def bprop(x, out, dout):
+        dx = space_to_batch_nd_grad(dout)
+        return (dx,)
+    return bprop
+
+
+@bprop_getters.register(P.BatchToSpaceND)
+def get_bprop_batch_to_space_nd(self):
+    """Generate bprop for BatchToSpaceND"""
+    batch_to_space_nd_grad = P.SpaceToBatchND(self.block_shape, self.crops)
+    def bprop(x, out, dout):
+        dx = batch_to_space_nd_grad(dout)
+        return (dx,)
+    return bprop

mindspore/ops/_op_impl/tbe/__init__.py

@@ -200,3 +200,5 @@ from .reduce_prod import _reduce_prod_tbe
 from .flatten_grad import _flatten_grad_tbe
 from .scatter_add import _scatter_add_tbe
 from .atan2 import _atan2_tbe
+from .batch_to_space_nd import _batch_to_space_nd_tbe
+from .space_to_batch_nd import _space_to_batch_nd_tbe

mindspore/ops/_op_impl/tbe/batch_to_space_nd.py

@@ -0,0 +1,38 @@
+# Copyright 2020 Huawei Technologies Co., Ltd
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+# ============================================================================
+
+"""BatchToSpaceND op"""
+from mindspore.ops.op_info_register import op_info_register, TBERegOp, DataType
+
+batch_to_space_nd_op_info = TBERegOp("BatchToSpaceND") \
+    .fusion_type("OPAQUE") \
+    .async_flag(False) \
+    .binfile_name("batch_to_space_nd_d.so") \
+    .compute_cost(10) \
+    .kernel_name("batch_to_space_nd_d") \
+    .partial_flag(True) \
+    .attr("block_shape", "required", "listInt", "all") \
+    .attr("crops", "required", "listListInt", "all") \
+    .input(0, "x", False, "required", "all") \
+    .output(0, "y", False, "required", "all") \
+    .dtype_format(DataType.F16_5HD, DataType.F16_5HD) \
+    .dtype_format(DataType.F32_5HD, DataType.F32_5HD) \
+    .get_op_info()
+
+
+@op_info_register(batch_to_space_nd_op_info)
+def _batch_to_space_nd_tbe():
+    """BatchToSpaceND TBE register"""
+    return

mindspore/ops/_op_impl/tbe/space_to_batch_nd.py

@@ -0,0 +1,38 @@
+# Copyright 2020 Huawei Technologies Co., Ltd
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+# ============================================================================
+
+"""SpaceToBatchND op"""
+from mindspore.ops.op_info_register import op_info_register, TBERegOp, DataType
+
+space_to_batch_nd_op_info = TBERegOp("SpaceToBatchND") \
+    .fusion_type("OPAQUE") \
+    .async_flag(False) \
+    .binfile_name("space_to_batch_nd_d.so") \
+    .compute_cost(10) \
+    .kernel_name("space_to_batch_nd_d") \
+    .partial_flag(True) \
+    .attr("block_shape", "required", "listInt", "all") \
+    .attr("paddings", "required", "listListInt", "all") \
+    .input(0, "x", False, "required", "all") \
+    .output(0, "y", False, "required", "all") \
+    .dtype_format(DataType.F16_5HD, DataType.F16_5HD) \
+    .dtype_format(DataType.F32_5HD, DataType.F32_5HD) \
+    .get_op_info()
+
+
+@op_info_register(space_to_batch_nd_op_info)
+def _space_to_batch_nd_tbe():
+    """SpaceToBatchND TBE register"""
+    return

mindspore/ops/operations/__init__.py

@@ -29,7 +29,8 @@ from .array_ops import (Argmax, Argmin, Cast, Concat, Pack, Unpack,
                         Shape, Size, Slice, Split,
                         Squeeze, StridedSlice, Tile,
                         Transpose, TruncatedNormal, TupleToArray, UnsortedSegmentMin,
-                        UnsortedSegmentSum, SpaceToDepth, DepthToSpace, SpaceToBatch, BatchToSpace)
+                        UnsortedSegmentSum, SpaceToDepth, DepthToSpace, SpaceToBatch, BatchToSpace,
+                        SpaceToBatchND, BatchToSpaceND)
 from .comm_ops import (AllGather, AllReduce, _AlltoAll, ReduceScatter, Broadcast,
                        _MirrorOperator, ReduceOp, _VirtualDataset,
                        _VirtualDiv, _GetTensorSlice)
@@ -260,6 +261,8 @@ __all__ = [
     "Atan2",
     "ApplyRMSProp",
     "ApplyCenteredRMSProp",
+    "SpaceToBatchND",
+    "BatchToSpaceND",
     "SquareSumAll"
 ]
 

mindspore/ops/operations/array_ops.py

@@ -2491,3 +2491,163 @@ class BatchToSpace(PrimitiveWithInfer):
                              f'block_size_prod {block_size_prod}')
         out_shape[0] = out_shape[0] // block_size_prod
         return out_shape
+
+
+class SpaceToBatchND(PrimitiveWithInfer):
+    r"""
+    Divide spatial dimensions into blocks and combine the block size with the original batch.
+
+    This operation will divide spatial dimensions (H, W) into blocks with block_shape, the output tensor's H and W
+    dimension is the corresponding number of blocks after division. The output tensor's batch dimension is the
+    product of the original batch and the product of block_shape. Prior to division into blocks, the spatial dimensions
+    of the input are zero padded according to paddings if necessary.
+
+    Args:
+        block_shape (Union[list(int), tuple(int)]): The block shape of dividing block with all value >= 1.
+            The length of block_shape is M correspoding to the number of spatial dimensions.
+        paddings (list): The padding value for H and W dimension, containing M sub list, each containing 2 int value.
+            All values must be >= 0. paddings[i] specifies the paddings for spatial dimension i, which corresponds to
+            input dimension i+2. It is required that input_shape[i+2]+paddings[i][0]+paddings[i][1] is divisible
+            by block_shape[i].
+
+    Inputs:
+        - **input_x** (Tensor) - The input tensor.
+
+    Outputs:
+        Tensor, the output tensor with the same type as input. Assume input shape is :math:`(n, c, h, w)` with
+        :math:`block\_shape` and :math:`padddings`. The output tensor shape will be :math:`(n', c', h', w')`, where
+
+            :math:`n' = n*(block\_shape[0]*block\_shape[1])`
+
+            :math:`c' = c`
+
+            :math:`h' = (h+paddings[0][0]+paddings[0][1])//block\_shape[0]`
+
+            :math:`w' = (w+paddings[1][0]+paddings[1][1])//block\_shape[1]`
+
+    Examples:
+        >>> block_shape = [2, 2]
+        >>> paddings = [[0, 0], [0, 0]]
+        >>> space_to_batch_nd = P.SpaceToBatchND(block_shape, paddings)
+        >>> input_x = Tensor(np.array([[[[1, 2], [3, 4]]]]), mindspore.float32)
+        >>> space_to_batch_nd(input_x)
+        [[[[1.]]], [[[2.]]], [[[3.]]], [[[4.]]]]
+
+    """
+
+    @prim_attr_register
+    def __init__(self, block_shape, paddings):
+        """Init SpaceToBatchND"""
+        validator.check_value_type('block_shape type', block_shape, [list, tuple], self.name)
+        validator.check('block_shape shape', len(np.array(block_shape).shape), '', 1, Rel.EQ, self.name)
+        block_rank = len(block_shape)
+
+        for elem in block_shape:
+            validator.check('block_shape element', elem, '', 1, Rel.GE, self.name)
+        self.block_shape = block_shape
+
+        validator.check('paddings shape', np.array(paddings).shape, '', (block_rank, 2), Rel.EQ, self.name)
+        for elem in itertools.chain(*paddings):
+            validator.check_integer('paddings element', elem, 0, Rel.GE, self.name)
+            validator.check_value_type('paddings element', elem, [int], self.name)
+        self.paddings = paddings
+
+    def infer_dtype(self, x_dtype):
+        validator.check_tensor_type_same({'input_x': x_dtype}, mstype.number_type, self.name)
+        return x_dtype
+
+    def infer_shape(self, x_shape):
+        x_rank = len(x_shape)
+        out_shape = copy.deepcopy(x_shape)
+
+        block_shape_prod = 1
+        for i in range(x_rank - 2):
+            padded = out_shape[i + 2] + self.paddings[i][0] + \
+                     self.paddings[i][1]
+            if padded % self.block_shape[i] != 0:
+                raise ValueError(f'For \'{self.name}\' padded[{i}] {padded} should be divisible by '
+                                 f'block_shape[{i}] {self.block_shape[i]}')
+            out_shape[i + 2] = padded // self.block_shape[i]
+            block_shape_prod = block_shape_prod * self.block_shape[i]
+        out_shape[0] *= block_shape_prod
+        return out_shape
+
+
+class BatchToSpaceND(PrimitiveWithInfer):
+    r"""
+    Divide batch dimension with blocks and interleaves these blocks back into spatial dimensions.
+
+    This operation will divide batch dimension N into blocks with block_shape, the output tensor's N dimension
+    is the corresponding number of blocks after division. The output tensor's H, W dimension is product of original H, W
+    dimension and block_shape with given amount to crop from dimension, respectively.
+
+    Args:
+        block_shape (Union[list(int), tuple(int)]): The block shape of dividing block with all value >= 1.
+            The length of block_shape is M correspoding to the number of spatial dimensions.
+        crops (list): The crop value for H and W dimension, containing 2 sub list, each containing 2 int value.
+            All values must be >= 0. crops[i] specifies the crop values for spatial dimension i, which corresponds to
+            input dimension i+2. It is required that input_shape[i+2]*block_size[i] >= crops[i][0]+crops[i][1].
+
+    Inputs:
+        - **input_x** (Tensor) - The input tensor.
+
+    Outputs:
+        Tensor, the output tensor with the same type as input. Assume input shape is (n, c, h, w) with block_shape
+        and crops. The output shape will be (n', c', h', w'), where
+
+                :math:`n' = n//(block\_shape[0]*block\_shape[1])`
+
+                :math:`c' = c`
+
+                :math:`h' = h*block\_shape[0]-crops[0][0]-crops[0][1]`
+
+                :math:`w' = w*block\_shape[1]-crops[1][0]-crops[1][1]`
+
+    Examples:
+        >>> block_shape = [2, 2]
+        >>> crops = [[0, 0], [0, 0]]
+        >>> batch_to_space_nd = P.BatchToSpaceND(block_shape, crops)
+        >>> input_x = Tensor(np.array([[[[1]]], [[[2]]], [[[3]]], [[[4]]]]), mindspore.float32)
+        >>> output = batch_to_space_nd(input_x)
+        [[[[1., 2.], [3., 4.]]]]
+
+    """
+
+    @prim_attr_register
+    def __init__(self, block_shape, crops):
+        """Init BatchToSpaceND"""
+        validator.check_value_type('block_shape type', block_shape, [list, tuple], self.name)
+        validator.check('block_shape shape', len(np.array(block_shape).shape), '', 1, Rel.EQ, self.name)
+        block_rank = len(block_shape)
+
+        for elem in block_shape:
+            validator.check('block_shape element', elem, '', 1, Rel.GE, self.name)
+        self.block_shape = block_shape
+
+        validator.check('crops shape', np.array(crops).shape, '', (block_rank, 2), Rel.EQ, self.name)
+        for elem in itertools.chain(*crops):
+            validator.check_integer('crops element', elem, 0, Rel.GE, self.name)
+            validator.check_value_type('crops element', elem, [int], self.name)
+        self.crops = crops
+
+    def infer_dtype(self, x_dtype):
+        validator.check_tensor_type_same({'input_x': x_dtype}, mstype.number_type, self.name)
+        return x_dtype
+
+    def infer_shape(self, x_shape):
+        x_rank = len(x_shape)
+        out_shape = copy.deepcopy(x_shape)
+
+        block_shape_prod = 1
+        for i in range(x_rank - 2):
+            block_shape_prod = block_shape_prod * self.block_shape[i]
+            x_block_prod = out_shape[i + 2] * self.block_shape[i]
+            crops_sum = self.crops[i][0] + self.crops[i][1]
+            validator.check("x block shape prod", x_block_prod, 'crops sum', crops_sum, Rel.GT, self.name)
+            out_shape[i + 2] = x_block_prod - crops_sum
+
+        if out_shape[0] % block_shape_prod != 0:
+            raise ValueError(f'For \'{self.name}\' input_x dimension 0 {out_shape[0]}  should be divisible by '
+                             f'block_shape_prod {block_shape_prod}')
+        out_shape[0] = out_shape[0] // block_shape_prod
+        return out_shape

tests/ut/python/ops/test_array_ops.py

@@ -264,6 +264,27 @@ class DepthToSpaceNet(Cell):
         return self.depth_to_space(x)
 
 
+class BatchToSpaceNDNet(Cell):
+    def __init__(self):
+        super(BatchToSpaceNDNet, self).__init__()
+        block_shape = [2, 2]
+        crops = [[0, 0], [0, 0]]
+        self.batch_to_space_nd = P.BatchToSpaceND(block_shape, crops)
+
+    def construct(self, x):
+        return self.batch_to_space_nd(x)
+
+
+class SpaceToBatchNDNet(Cell):
+    def __init__(self):
+        super(SpaceToBatchNDNet, self).__init__()
+        block_shape = [2, 2]
+        paddings = [[0, 0], [0, 0]]
+        self.space_to_batch_nd = P.SpaceToBatchND(block_shape, paddings)
+
+    def construct(self, x):
+        return self.space_to_batch_nd(x)
+
 test_case_array_ops = [
     ('CustNet1', {
         'block': CustNet1(),
@@ -298,6 +319,12 @@ test_case_array_ops = [
     ('DepthToSpaceNet', {
         'block': DepthToSpaceNet(),
         'desc_inputs': [Tensor(np.random.rand(1,12,1,1).astype(np.float16))]}),
+    ('SpaceToBatchNDNet', {
+        'block': SpaceToBatchNDNet(),
+        'desc_inputs': [Tensor(np.random.rand(1,1,2,2).astype(np.float16))]}),
+    ('BatchToSpaceNDNet', {
+        'block': BatchToSpaceNDNet(),
+        'desc_inputs': [Tensor(np.random.rand(4,1,1,1).astype(np.float16))]}),
 ]
 
 test_case_lists = [test_case_array_ops]