add 4 grad ops

mindspore/ccsrc/transform/graph_ir/convert.cc

@@ -61,7 +61,6 @@ const char kNameReduceSum[] = "ReduceSum";
 const char kNameIsFinite[] = "isFinite";
 const char kNameReciprocal[] = "Reciprocal";
 const char kNameRsqrt[] = "Rsqrt";
-const char kNameRsqrtGrad[] = "RsqrtGrad";
 const char kNameSqrt[] = "Sqrt";
 const char kNameSquare[] = "Square";
 const char kNameSquaredDifference[] = "SquaredDifference";
@@ -83,6 +82,9 @@ const char kNameFlattenGrad[] = "FlattenGrad";
 const char kNameConvolution[] = "Convolution";
 const char kNameBiasAdd[] = "BiasAdd";
 const char kNameMaxPoolGrad[] = "MaxPoolGrad";
+const char kNameRsqrtGrad[] = "RsqrtGrad";
+const char kNameSqrtGrad[] = "SqrtGrad";
+const char kNameReciprocalGrad[] = "ReciprocalGrad";
 const char kNameAvgPoolGrad[] = "AvgPoolGrad";
 const char kNameMaxPoolGradWithArgmax[] = "MaxPoolGradWithArgmax";
 const char kNameApplyMomentum[] = "ApplyMomentum";
@@ -233,6 +235,9 @@ std::unordered_map<std::string, OpAdapterDescPtr> &DfGraphConvertor::get_adpt_ma
     {string(kNameAllgather), ADPT_DESC(HcomAllGather)},
     {string(kNameReduceScatter), ADPT_DESC(HcomReduceScatter)},
     {string(kNameMaxPoolGrad), ADPT_DESC(MaxPoolGrad)},
+    {string(kNameSqrtGrad), ADPT_DESC(SqrtGrad)},
+    {string(kNameReciprocalGrad), ADPT_DESC(ReciprocalGrad)},
+    {string(kNameRsqrtGrad), ADPT_DESC(RsqrtGrad)},
     {string(kNameAvgPoolGrad), ADPT_DESC(AvgPoolGrad)},
     {string(kNameMaxPoolGradWithArgmax), ADPT_DESC(MaxPoolGradWithArgmax)},
     {string(kNameExtractImagePatches), ADPT_DESC(ExtractImagePatches)},

mindspore/ccsrc/transform/graph_ir/op_declare.cc

@@ -726,6 +726,21 @@ ATTR_MAP(MaxPoolGrad) = {{"ksize", ATTR_DESC(ksize, AnyTraits<int>(), AnyTraits<
                          {"data_format", ATTR_DESC(data_format, AnyTraits<std::string>())}};
 OUTPUT_MAP(MaxPoolGrad) = {{0, OUTPUT_DESC(y)}};
 
+// RsqrtGrad
+INPUT_MAP(RsqrtGrad) = {{1, INPUT_DESC(y)}, {2, INPUT_DESC(dy)}};
+ATTR_MAP(RsqrtGrad) = EMPTY_ATTR_MAP;
+OUTPUT_MAP(RsqrtGrad) = {{0, OUTPUT_DESC(z)}};
+
+// SqrtGrad
+INPUT_MAP(SqrtGrad) = {{1, INPUT_DESC(y)}, {2, INPUT_DESC(dy)}};
+ATTR_MAP(SqrtGrad) = EMPTY_ATTR_MAP;
+OUTPUT_MAP(SqrtGrad) = {{0, OUTPUT_DESC(z)}};
+
+// ReciprocalGrad
+INPUT_MAP(ReciprocalGrad) = {{1, INPUT_DESC(y)}, {2, INPUT_DESC(dy)}};
+ATTR_MAP(ReciprocalGrad) = EMPTY_ATTR_MAP;
+OUTPUT_MAP(ReciprocalGrad) = {{0, OUTPUT_DESC(z)}};
+
 // avgpoolgrad
 INPUT_MAP(AvgPoolGrad) = {{1, INPUT_DESC(orig_input_shape)}, {2, INPUT_DESC(input_grad)}};
 ATTR_MAP(AvgPoolGrad) = {{"ksize", ATTR_DESC(ksize, AnyTraits<int>(), AnyTraits<std::vector<int64_t>>())},

mindspore/ccsrc/transform/graph_ir/op_declare.h

@@ -439,6 +439,12 @@ DECLARE_OP_ADAPTER(MaxPool)
 DECLARE_OP_USE_OUTPUT(MaxPool)
 DECLARE_OP_ADAPTER(MaxPoolGrad)
 DECLARE_OP_USE_OUTPUT(MaxPoolGrad)
+DECLARE_OP_ADAPTER(SqrtGrad)
+DECLARE_OP_USE_OUTPUT(SqrtGrad)
+DECLARE_OP_ADAPTER(ReciprocalGrad)
+DECLARE_OP_USE_OUTPUT(ReciprocalGrad)
+DECLARE_OP_ADAPTER(RsqrtGrad)
+DECLARE_OP_USE_OUTPUT(RsqrtGrad)
 DECLARE_OP_ADAPTER(AvgPool)
 DECLARE_OP_USE_OUTPUT(AvgPool)
 DECLARE_OP_ADAPTER(AvgPoolGrad)

mindspore/ops/_grad/grad_math_ops.py

@@ -366,15 +366,10 @@ def get_bprop_square(self):
 @bprop_getters.register(P.Sqrt)
 def get_bprop_sqrt(self):
     """Grad definition for `Sqrt` operation."""
-    mul_func = P.Mul()
+    sqrt_grad = G.SqrtGrad()
-    fill_func = P.Fill()
-    div_op = P.RealDiv()
-    sqrt = P.Sqrt()
-    dtype = P.DType()
 
     def bprop(x, out, dout):
-        temp = div_op(fill_func(dtype(x), shape_op(x), 0.5), sqrt(x))
+        dx = sqrt_grad(out, dout)
-        dx = mul_func(dout, temp)
         return (dx,)
 
     return bprop
@@ -383,10 +378,10 @@ def get_bprop_sqrt(self):
 @bprop_getters.register(P.Rsqrt)
 def get_bprop_rsqrt(self):
     """Grad definition for `Rsqrt` operation."""
+    rsqrt_grad = G.RsqrtGrad()
 
     def bprop(x, out, dout):
-        grad = F.fill(F.dtype(x), F.shape(x), -0.5) / (F.sqrt(x) * x)
+        dx = rsqrt_grad(out, dout)
-        dx = dout * grad
         return (dx,)
 
     return bprop
@@ -395,14 +390,10 @@ def get_bprop_rsqrt(self):
 @bprop_getters.register(P.Reciprocal)
 def get_bprop_reciprocal(self):
     """Grad definition for `Reciprocal` operation."""
-    neg = P.Neg()
+    reciprocal_grad = G.ReciprocalGrad()
-    mul = P.Mul()
-    square = P.Square()
-    reciprocal = P.Reciprocal()
 
     def bprop(x, out, dout):
-        g = neg(reciprocal(square(x)))
+        dx = reciprocal_grad(out, dout)
-        dx = mul(dout, g)
         return (dx,)
 
     return bprop

mindspore/ops/_grad/grad_nn_ops.py

@@ -442,6 +442,7 @@ def get_bprop_softmax(self):
     sub = P.Sub()
     mul = P.Mul()
     axis = self.axis
+
     def bprop(x, out, dout):
         dx = mul(out, sub(dout, sum_func(mul(out, dout), axis)))
         return (dx,)

mindspore/ops/_op_impl/tbe/__init__.py

@@ -236,6 +236,9 @@ from .cum_sum import _cum_sum_tbe
 from .apply_rms_prop import _apply_rms_prop_tbe
 from .cumprod import _cumprop_tbe
 from .reduce_prod import _reduce_prod_tbe
+from .reciprocal_grad import _reciprocal_grad_tbe
+from .sqrt_grad import _sqrt_grad_tbe
+from .rsqrt_grad import _rsqrt_grad_tbe
 from .flatten_grad import _flatten_grad_tbe
 from .scatter_add import _scatter_add_tbe
 from .atan2 import _atan2_tbe

mindspore/ops/_op_impl/tbe/reciprocal.py

@@ -13,7 +13,7 @@
 # limitations under the License.
 # ============================================================================
 
-"""Add op"""
+"""Reciprocal op"""
 from mindspore.ops.op_info_register import op_info_register, TBERegOp, DataType
 
 reciprocal_op_info = TBERegOp("Reciprocal") \
@@ -32,5 +32,5 @@ reciprocal_op_info = TBERegOp("Reciprocal") \
 
 @op_info_register(reciprocal_op_info)
 def _reciprocal_tbe():
-    """Add TBE register"""
+    """Reciprocal TBE register"""
     return

mindspore/ops/_op_impl/tbe/reciprocal_grad.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.
+# ============================================================================
+
+"""ReciprocalGrad op"""
+from mindspore.ops.op_info_register import op_info_register, TBERegOp, DataType
+
+reciprocal_grad_op_info = TBERegOp("ReciprocalGrad") \
+    .fusion_type("OPAQUE") \
+    .async_flag(False) \
+    .binfile_name("reciprocal_grad.so") \
+    .compute_cost(10) \
+    .kernel_name("reciprocal_grad") \
+    .partial_flag(True) \
+    .input(0, "x", False, "required", "all") \
+    .input(1, "dy", False, "required", "all") \
+    .output(0, "y", False, "required", "all") \
+    .op_pattern("broadcast") \
+    .dtype_format(DataType.F16_None, DataType.F16_None, DataType.F16_None) \
+    .dtype_format(DataType.F32_None, DataType.F32_None, DataType.F32_None) \
+    .get_op_info()
+
+
+@op_info_register(reciprocal_grad_op_info)
+def _reciprocal_grad_tbe():
+    """ReciprocalGrad TBE register"""
+    return

mindspore/ops/_op_impl/tbe/rsqrt_grad.py

@@ -0,0 +1,40 @@
+# 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.
+# ============================================================================
+
+"""RsqrtGrad op"""
+from mindspore.ops.op_info_register import op_info_register, TBERegOp, DataType
+
+rsqrt_grad_op_info = TBERegOp("RsqrtGrad") \
+    .fusion_type("OPAQUE") \
+    .async_flag(False) \
+    .binfile_name("rsqrt_grad.so") \
+    .compute_cost(10) \
+    .kernel_name("rsqrt_grad") \
+    .partial_flag(True) \
+    .op_pattern("broadcast") \
+    .input(0, "x", False, "required", "all") \
+    .input(1, "dy", False, "required", "all") \
+    .output(0, "y", False, "required", "all") \
+    .dtype_format(DataType.F16_None, DataType.F16_None, DataType.F16_None) \
+    .dtype_format(DataType.I8_None, DataType.I8_None, DataType.I8_None) \
+    .dtype_format(DataType.I32_None, DataType.I32_None, DataType.I32_None) \
+    .dtype_format(DataType.F32_None, DataType.F32_None, DataType.F32_None) \
+    .get_op_info()
+
+
+@op_info_register(rsqrt_grad_op_info)
+def _rsqrt_grad_tbe():
+    """RsqrtGrad TBE register"""
+    return

mindspore/ops/_op_impl/tbe/sqrt_grad.py

@@ -0,0 +1,43 @@
+# 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.
+# ============================================================================
+
+"""SqrtGrad op"""
+from mindspore.ops.op_info_register import op_info_register, TBERegOp, DataType
+
+sqrt_grad_op_info = TBERegOp("SqrtGrad") \
+    .fusion_type("ELEMWISE") \
+    .async_flag(False) \
+    .binfile_name("sqrt_grad.so") \
+    .compute_cost(10) \
+    .kernel_name("sqrt_grad") \
+    .partial_flag(True) \
+    .input(0, "x", False, "required", "all") \
+    .input(1, "dy", False, "required", "all") \
+    .output(0, "y", False, "required", "all") \
+    .dtype_format(DataType.F16_5HD, DataType.F16_5HD, DataType.F16_5HD) \
+    .dtype_format(DataType.F16_Default, DataType.F16_Default, DataType.F16_Default) \
+    .dtype_format(DataType.F16_FracNZ, DataType.F16_FracNZ, DataType.F16_FracNZ) \
+    .dtype_format(DataType.F16_C1HWNCoC0, DataType.F16_C1HWNCoC0, DataType.F16_C1HWNCoC0) \
+    .dtype_format(DataType.F32_5HD, DataType.F32_5HD, DataType.F32_5HD) \
+    .dtype_format(DataType.F32_Default, DataType.F32_Default, DataType.F32_Default) \
+    .dtype_format(DataType.F32_FracNZ, DataType.F32_FracNZ, DataType.F32_FracNZ) \
+    .dtype_format(DataType.F32_C1HWNCoC0, DataType.F32_C1HWNCoC0, DataType.F32_C1HWNCoC0) \
+    .get_op_info()
+
+
+@op_info_register(sqrt_grad_op_info)
+def _sqrt_grad_tbe():
+    """SqrtGrad TBE register"""
+    return

mindspore/ops/operations/_grad_ops.py

@@ -115,6 +115,74 @@ class AsinhGrad(PrimitiveWithInfer):
         return x
 
 
+class ReciprocalGrad(PrimitiveWithInfer):
+    """Performs grad of Reciprocal operation."""
+
+    @prim_attr_register
+    def __init__(self):
+        """init ReciprocalGrad"""
+
+    def infer_shape(self, x_shape, dout_shape):
+        validator.check("x shape", x_shape, "dout shape", dout_shape, Rel.EQ, self.name)
+        return x_shape
+
+    def infer_dtype(self, x_dtype, dout_dtype):
+        args = {"x": x_dtype, "dout": dout_dtype}
+        validator.check_tensor_type_same(args, [mstype.float16, mstype.float32], self.name)
+        return x_dtype
+
+
+class RsqrtGrad(PrimitiveWithInfer):
+    """Performs grad of Rsqrt operation."""
+
+    @prim_attr_register
+    def __init__(self):
+        """init RsqrtGrad"""
+
+    def infer_shape(self, x_shape, dout_shape):
+        validator.check("x shape", x_shape, "dout shape", dout_shape, Rel.EQ, self.name)
+        return x_shape
+
+    def infer_dtype(self, x_dtype, dout_dtype):
+        args = {"x": x_dtype, "dout": dout_dtype}
+        validator.check_tensor_type_same(args, [mstype.float16, mstype.float32, mstype.int32, mstype.int8], self.name)
+        return x_dtype
+
+
+class SoftmaxGrad(PrimitiveWithInfer):
+    """Performs grad of Softmax operation."""
+
+    @prim_attr_register
+    def __init__(self):
+        """init SoftmaxGrad"""
+
+    def infer_shape(self, x_shape, dout_shape):
+        validator.check("x shape", x_shape, "dout shape", dout_shape, Rel.EQ, self.name)
+        return x_shape
+
+    def infer_dtype(self, x_dtype, dout_dtype):
+        args = {"x": x_dtype, "dout": dout_dtype}
+        validator.check_tensor_type_same(args, [mstype.float16, mstype.float32], self.name)
+        return x_dtype
+
+
+class SqrtGrad(PrimitiveWithInfer):
+    """Performs grad of Sqrt operation."""
+
+    @prim_attr_register
+    def __init__(self):
+        """init SqrtGrad"""
+
+    def infer_shape(self, x_shape, dout_shape):
+        validator.check("x shape", x_shape, "dout shape", dout_shape, Rel.EQ, self.name)
+        return x_shape
+
+    def infer_dtype(self, x_dtype, dout_dtype):
+        args = {"x": x_dtype, "dout": dout_dtype}
+        validator.check_tensor_type_same(args, [mstype.float16, mstype.float32], self.name)
+        return x_dtype
+
+
 class BatchNormGrad(PrimitiveWithInfer):
     """Performs grad of BatchNorm operation."""