unique support multi-dim tensor

docs/api/api_python/nn/mindspore.nn.ResizeBilinear.rst

@@ -5,6 +5,10 @@ mindspore.nn.ResizeBilinear
 
     使用双线性插值调整输入Tensor为指定的大小。
 
+    **参数：**
+
+    - **half_pixel_centers** (bool) - 是否几何中心对齐。如果设置为True, 那么`scale_factor`应该设置为False。默认值：False。
+
     **输入：**
 
     - **x** (Tensor) - ResizeBilinear的输入，四维的Tensor，其shape为 :math:`(batch, channels, height, width)` ，数据类型为float16或float32。

mindspore/python/mindspore/nn/layer/basic.py

@@ -32,8 +32,8 @@ from mindspore._checkparam import Rel, Validator
 from ..cell import Cell
 from .activation import get_activation
 
-__all__ = ['Dropout', 'Flatten', 'Dense', 'ClipByNorm', 'Norm', 'OneHot', 'Pad', 'Unfold',
-           'Tril', 'Triu', 'ResizeBilinear', 'MatrixDiag', 'MatrixDiagPart', 'MatrixSetDiag', 'L1Regularizer', 'Roll']
+__all__ = ['Dropout', 'Flatten', 'Dense', 'ClipByNorm', 'Norm', 'OneHot', 'Pad', 'Unfold', 'Tril', 'Triu',
+           'ResizeBilinear', 'MatrixDiag', 'MatrixDiagPart', 'MatrixSetDiag', 'L1Regularizer', 'Roll']
 
 
 class L1Regularizer(Cell):
@@ -851,6 +851,10 @@ class ResizeBilinear(Cell):
     r"""
     Samples the input tensor to the given size or scale_factor by using bilinear interpolate.
 
+    Args:
+        half_pixel_centers (bool): Whether half pixel center. If set to True, `align_corners` should be False.
+            Default: False.
+
     Inputs:
         - **x** (Tensor) - Tensor to be resized. Input tensor must be a 4-D tensor with shape
           :math:`(batch, channels, height, width)`, with data type of float16 or float32.
@@ -862,8 +866,6 @@ class ResizeBilinear(Cell):
         - **align_corners** (bool): If true, rescale input by :math:`(new\_height - 1) / (height - 1)`, which exactly
           aligns the 4 corners of images and resized images. If false, rescale by :math:`new\_height / height`.
           Default: False.
-        - **half_pixel_centers** (bool): Whether half pixel center. If set to True, `align_corners` should be False.
-                                 Default: False.
 
     Outputs:
         Resized tensor.

mindspore/python/mindspore/ops/function/__init__.py

@@ -0,0 +1,14 @@
+# Copyright 2022 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.
+# ============================================================================

mindspore/python/mindspore/ops/function/array_func.py

@@ -0,0 +1,100 @@
+# Copyright 2022 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.
+# ============================================================================
+
+"""Operators for function."""
+
+from mindspore.ops.primitive import constexpr
+from mindspore.ops import operations as P
+
+
+@constexpr
+def get_x_shape(x_shape):
+    s = 1
+    for i in x_shape:
+        s = s * i
+    return (s,)
+
+
+def unique(x):
+    """
+    Returns the unique elements of input tensor and also return a tensor containing the index of each value of input
+    tensor corresponding to the output unique tensor.
+
+    The output contains Tensor `y` and Tensor `idx`, the format is probably similar to (`y`, `idx`).
+    The shape of Tensor `y` and Tensor `idx` is different in most cases, because Tensor `y` will be deduplicated,
+    and the shape of Tensor `idx` is consistent with the input.
+
+    To get the same shape between `idx` and `y`, please ref to :class:'mindspore.ops.UniqueWithPad' operator.
+
+    .. warning::
+        This module is in beta.
+
+    Args:
+        x (Tensor): The input tensor.
+          The shape is :math:`(N,*)` where :math:`*` means, any number of additional dimensions.
+
+    Returns:
+        Tuple, containing Tensor objects `(y, idx), `y` is a tensor with the
+        same type as `input_x`, and contains the unique elements in `x`, sorted in
+        ascending order. `idx` is a tensor containing indices of elements in
+        the input corresponding to the output tensor, have the same shape with `input_x`.
+
+    Raises:
+        TypeError: If `input_x` is not a Tensor.
+
+    Supported Platforms:
+        ``Ascend`` ``GPU`` ``CPU``
+
+    Examples:
+        >>> import mindspore
+        >>> import numpy as np
+        >>> from mindspore import Tensor, nn
+        >>> from mindspore import ops
+        >>> input_x = Tensor(np.array([1, 2, 5, 2]), mindspore.int32)
+        >>> output = ops.unique(input_x)
+        >>> print(output)
+        (Tensor(shape=[3], dtype=Int32, value= [1, 2, 5]), Tensor(shape=[4], dtype=Int32, value= [0, 1, 2, 1]))
+        >>> y = output[0]
+        >>> print(y)
+        [1 2 5]
+        >>> idx = output[1]
+        >>> print(idx)
+        [0 1 2 1]
+        >>> # As can be seen from the above, y and idx shape
+        >>> # note that for GPU, this operator must be wrapped inside a model, and executed in graph mode.
+        >>> class UniqueNet(nn.Cell):
+        ...     def __init__(self):
+        ...         super(UniqueNet, self).__init__()
+        ...
+        ...     def construct(self, x):
+        ...         output, indices = ops.unique(x)
+        ...         return output, indices
+        ...
+        >>> input_x = Tensor(np.array([1, 2, 5, 2]), mindspore.int32)
+        >>> net = UniqueNet()
+        >>> output = net(input_x)
+        >>> print(output)
+        (Tensor(shape=[3], dtype=Int32, value= [1, 2, 5]), Tensor(shape=[4], dtype=Int32, value= [0, 1, 2, 1]))
+    """
+
+    unique_op = P.Unique()
+    reshape_op = P.Reshape()
+
+    shape_x = x.shape
+    length_x = get_x_shape(shape_x)
+    x = reshape_op(x, length_x)
+    y, idx = unique_op(x)
+    idx = reshape_op(idx, shape_x)
+    return y, idx

mindspore/python/mindspore/ops/operations/__init__.py

@@ -19,6 +19,7 @@ Primitive operator classes.
 A collection of operators to build neural networks or to compute functions.
 """
 
+from ..function.array_func import (unique)
 from . import _quant_ops
 from ._embedding_cache_ops import (CacheSwapTable, UpdateCache, MapCacheIdx, SubAndFilter,
                                    MapUniform, DynamicAssign, PadAndShift)
@@ -127,6 +128,7 @@ from .sponge_update_ops import (ConstrainForceCycleWithVirial, RefreshUintCrd, L
                                 ConstrainForceVirial, ConstrainForce, Constrain)
 
 __all__ = [
+    'unique',
     'HSVToRGB',
     'CeLU',
     'Ger',

tests/st/dynamic_shape/test_unique.py

@@ -15,6 +15,7 @@
 import numpy as np
 import pytest
 import mindspore.context as context
+from mindspore import ops
 import mindspore.nn as nn
 from mindspore import Tensor
 import mindspore.common.dtype as mstype
@@ -22,6 +23,7 @@ from mindspore.ops import operations as P
 
 context.set_context(mode=context.GRAPH_MODE, device_target="Ascend")
 
+
 class Net(nn.Cell):
     def __init__(self):
         super(Net, self).__init__()
@@ -30,6 +32,16 @@ class Net(nn.Cell):
     def construct(self, x):
         return self.unique(x)
 
+
+class NetFunc(nn.Cell):
+    def __init__(self):
+        super(NetFunc, self).__init__()
+        self.unique = ops.unique
+
+    def construct(self, x):
+        return self.unique(x)
+
+
 @pytest.mark.level0
 @pytest.mark.platform_arm_ascend_training
 @pytest.mark.platform_x86_ascend_training
@@ -42,3 +54,41 @@ def test_unqiue():
     expect2 = np.array([0, 0, 1, 1, 2, 2])
     assert (output[0].asnumpy() == expect1).all()
     assert (output[1].asnumpy() == expect2).all()
+
+
+@pytest.mark.level0
+@pytest.mark.platform_arm_ascend_training
+@pytest.mark.platform_x86_ascend_training
+@pytest.mark.env_onecard
+def test_unqiue_func_1d():
+    """
+    Feature: Test unique function
+    Description: Input 1D Tensor
+    Expectation: Successful execution.
+    """
+    x = Tensor(np.array([1, 1, 2, 2, 3, 3]), mstype.int32)
+    unique = NetFunc()
+    output = unique(x)
+    expect1 = np.array([1, 2, 3])
+    expect2 = np.array([0, 0, 1, 1, 2, 2])
+    assert (output[0].asnumpy() == expect1).all()
+    assert (output[1].asnumpy() == expect2).all()
+
+
+@pytest.mark.level0
+@pytest.mark.platform_arm_ascend_training
+@pytest.mark.platform_x86_ascend_training
+@pytest.mark.env_onecard
+def test_unqiue_func_2d():
+    """
+    Feature: Test unique function
+    Description: Input 2D Tensor
+    Expectation: Successful execution.
+    """
+    x = Tensor(np.array([[1, 1, 2], [2, 3, 3]]), mstype.int32)
+    unique = NetFunc()
+    output = unique(x)
+    expect1 = np.array([1, 2, 3])
+    expect2 = np.array([[0, 0, 1], [1, 2, 2]])
+    assert (output[0].asnumpy() == expect1).all()
+    assert (output[1].asnumpy() == expect2).all()

tests/st/dynamic_shape/test_unique_cpu.py

@@ -15,6 +15,7 @@
 import numpy as np
 import pytest
 import mindspore.context as context
+from mindspore import ops
 import mindspore.nn as nn
 from mindspore import Tensor
 import mindspore.common.dtype as mstype
@@ -32,6 +33,15 @@ class Net(nn.Cell):
         return self.unique(x)
 
 
+class NetFunc(nn.Cell):
+    def __init__(self):
+        super(NetFunc, self).__init__()
+        self.unique = ops.unique
+
+    def construct(self, x):
+        return self.unique(x)
+
+
 class UniqueSquare(nn.Cell):
     def __init__(self):
         super(UniqueSquare, self).__init__()
@@ -67,3 +77,41 @@ def test_unique_square():
     output = net(x)
     expect1 = np.array([1, 4, 9])
     assert (output.asnumpy() == expect1).all()
+
+
+@pytest.mark.level0
+@pytest.mark.platform_arm_ascend_training
+@pytest.mark.platform_x86_ascend_training
+@pytest.mark.env_onecard
+def test_unqiue_func_1d():
+    """
+    Feature: Test unique function
+    Description: Input 1D Tensor
+    Expectation: Successful execution.
+    """
+    x = Tensor(np.array([1, 1, 2, 2, 3, 3]), mstype.int32)
+    unique = NetFunc()
+    output = unique(x)
+    expect1 = np.array([1, 2, 3])
+    expect2 = np.array([0, 0, 1, 1, 2, 2])
+    assert (output[0].asnumpy() == expect1).all()
+    assert (output[1].asnumpy() == expect2).all()
+
+
+@pytest.mark.level0
+@pytest.mark.platform_arm_ascend_training
+@pytest.mark.platform_x86_ascend_training
+@pytest.mark.env_onecard
+def test_unqiue_func_2d():
+    """
+    Feature: Test unique function
+    Description: Input 2D Tensor
+    Expectation: Successful execution.
+    """
+    x = Tensor(np.array([[1, 1, 2], [2, 3, 3]]), mstype.int32)
+    unique = NetFunc()
+    output = unique(x)
+    expect1 = np.array([1, 2, 3])
+    expect2 = np.array([[0, 0, 1], [1, 2, 2]])
+    assert (output[0].asnumpy() == expect1).all()
+    assert (output[1].asnumpy() == expect2).all()

tests/ut/python/ops/test_array_ops.py

@@ -21,6 +21,7 @@ import mindspore.context as context
 from mindspore import Tensor
 from mindspore.common import dtype as mstype
 from mindspore.nn import Cell
+from mindspore import ops
 from mindspore.ops import operations as P
 from mindspore.ops import prim_attr_register
 from mindspore.ops.operations import _inner_ops as inner
@@ -329,6 +330,26 @@ class TensorShapeNet(Cell):
         return self.shape(x)
 
 
+class UniqueFunc1(Cell):
+    def __init__(self):
+        super(UniqueFunc1, self).__init__()
+        self.unique = ops.unique
+
+    def construct(self, x):
+        y, idx = self.unique(x)
+        return y, idx
+
+
+class UniqueFunc2(Cell):
+    def __init__(self):
+        super(UniqueFunc2, self).__init__()
+        self.unique = ops.unique
+
+    def construct(self, x):
+        y, idx = self.unique(x)
+        return y, idx
+
+
 class RangeNet(Cell):
     def __init__(self):
         super(RangeNet, self).__init__()
@@ -348,6 +369,12 @@ test_case_array_ops = [
     ('CustNet3', {
         'block': CustNet3(),
         'desc_inputs': []}),
+    ('Unique', {
+        'block': UniqueFunc1(),
+        'desc_inputs': [Tensor(np.array([2, 2, 1]), dtype=ms.int32)]}),
+    ('Unique', {
+        'block': UniqueFunc2(),
+        'desc_inputs': [Tensor(np.array([[2, 2], [1, 3]]), dtype=ms.int32)]}),
     ('MathBinaryNet1', {
         'block': MathBinaryNet1(),
         'desc_inputs': [Tensor(np.ones([2, 2]), dtype=ms.int32)]}),