diff --git a/.gitmodules b/.gitmodules
index a241b6d69b..a024019b14 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -12,4 +12,4 @@
 	url = https://github.com/protocolbuffers/protobuf.git
 [submodule "graphengine"]
 	path = graphengine
-	url = https://gitee.com/mindspore/graphengine.git
+	url = https://gitee.com/ms-incubator/graphengine.git
diff --git a/CMakeLists.txt b/CMakeLists.txt
index dc07ccae8b..6b69c510d5 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -7,6 +7,9 @@ endif ()
 
 include(${CMAKE_SOURCE_DIR}/cmake/options.cmake)
 set(CMAKE_MODULE_PATH ${CMAKE_MODULE_PATH} "${CMAKE_SOURCE_DIR}/cmake/modules/")
+if (ENABLE_GE)
+    add_compile_definitions(_GLIBCXX_USE_CXX11_ABI=0)
+endif ()
 
 if (${CMAKE_SYSTEM_NAME} MATCHES "Darwin")
     set(CMAKE_CXX_FLAGS_RELEASE "$ENV{CXXFLAGS} -O2 -Werror -Wno-return-std-move -Wno-unused-private-field -Wno-unused-lambda-capture -Wno-sign-compare -Wno-overloaded-virtual -Wno-unneeded-internal-declaration -Wno-unused-variable -Wno-pessimizing-move -Wno-inconsistent-missing-override -DHALF_ENABLE_CPP11_USER_LITERALS=0 -D_FORTIFY_SOURCE=2")    
diff --git a/graphengine b/graphengine
index 579dcb75a9..c27e428e96 160000
--- a/graphengine
+++ b/graphengine
@@ -1 +1 @@
-Subproject commit 579dcb75a990b533f9182733a6424f2bd66f0f23
+Subproject commit c27e428e9698dd4f9b198008596676bc2d1b49aa
diff --git a/mindspore/ccsrc/CMakeLists.txt b/mindspore/ccsrc/CMakeLists.txt
index 1e1c650239..48a3f5d65e 100644
--- a/mindspore/ccsrc/CMakeLists.txt
+++ b/mindspore/ccsrc/CMakeLists.txt
@@ -127,7 +127,7 @@ endif()
 
 if (ENABLE_GE)
     if(ENABLE_TRAIN)
-        target_link_libraries(mindspore ge_client_train hccl)
+        target_link_libraries(mindspore ge_runner hccl)
     else ()
         target_link_libraries(mindspore ge_client)
     endif ()
diff --git a/mindspore/ccsrc/transform/op_declare.cc b/mindspore/ccsrc/transform/op_declare.cc
index 59ccb24168..735c9aac09 100644
--- a/mindspore/ccsrc/transform/op_declare.cc
+++ b/mindspore/ccsrc/transform/op_declare.cc
@@ -470,7 +470,7 @@ INPUT_MAP(ApplyAdam) = {{1, INPUT_DESC(var)},         {2, INPUT_DESC(m)},
                         {10, INPUT_DESC(grad)}};
 ATTR_MAP(ApplyAdam) = {{"use_locking", ATTR_DESC(use_locking, AnyTraits<bool>())},
                        {"use_nesterov", ATTR_DESC(use_nesterov, AnyTraits<bool>())}};
-OUTPUT_MAP(ApplyAdam) = {{0, OUTPUT_DESC(var)}, {1, OUTPUT_DESC(m)}, {2, OUTPUT_DESC(v)}};
+OUTPUT_MAP(ApplyAdam) = {{0, OUTPUT_DESC(var)}};
 
 // Relu6
 INPUT_MAP(Relu6) = {{1, INPUT_DESC(x)}};
@@ -823,7 +823,7 @@ OUTPUT_MAP(RealDiv) = {{0, OUTPUT_DESC(y)}};
 // Cast
 INPUT_MAP(Cast) = {{1, INPUT_DESC(x)}};
 INPUT_ATTR_MAP(Cast) = {{2, ATTR_DESC(dst_type, AnyTraits<GEType>())}};
-ATTR_MAP(Cast) = {{"Truncate", ATTR_DESC(truncate, AnyTraits<bool>())}};
+ATTR_MAP(Cast) = EMPTY_ATTR_MAP;
 OUTPUT_MAP(Cast) = {{0, OUTPUT_DESC(y)}};
 
 // Reciprocal
@@ -1153,7 +1153,7 @@ INPUT_MAP(SparseApplyAdagradD) = {
   {1, INPUT_DESC(var)}, {2, INPUT_DESC(accum)}, {3, INPUT_DESC(grad)}, {4, INPUT_DESC(indices)}};
 ATTR_MAP(SparseApplyAdagradD) = {{"lr", ATTR_DESC(lr, AnyTraits<float>())},
                                  {"use_locking", ATTR_DESC(use_locking, AnyTraits<bool>())}};
-OUTPUT_MAP(SparseApplyAdagradD) = {{0, OUTPUT_DESC(var)}};
+OUTPUT_MAP(SparseApplyAdagradD) = {{0, OUTPUT_DESC(var)}, {1, OUTPUT_DESC(accum)}};
 
 // SparseApplyFtrlD
 INPUT_MAP(SparseApplyFtrlD) = {{1, INPUT_DESC(var)},
diff --git a/mindspore/context.py b/mindspore/context.py
index bf6439a7d5..89fb56b843 100644
--- a/mindspore/context.py
+++ b/mindspore/context.py
@@ -453,11 +453,13 @@ def reset_auto_parallel_context():
     _reset_auto_parallel_context()
 
 
-@args_type_check(mode=int, precompile_only=bool, device_target=str, device_id=int, save_graphs=bool,
-                 save_graphs_path=str, save_ms_model=bool, save_ms_model_path=str, enable_dump=bool,
-                 save_dump_path=str, enable_reduce_precision=bool, variable_memory_max_size=str,
-                 enable_profiling=bool, profiling_options=str, enable_auto_mixed_precision=bool,
-                 check_bprop=bool)
+@args_type_check(mode=int, precompile_only=bool, device_target=str,
+                 device_id=int, enable_ir_fusion=bool, save_graphs=bool,
+                 enable_task_sink=bool, save_graphs_path=str, enable_loop_sink=bool,
+                 enable_mem_reuse=bool, save_ms_model=bool, save_ms_model_path=str, enable_gpu_summary=bool,
+                 enable_auto_mixed_precision=bool, enable_dump=bool, save_dump_path=str,
+                 enable_reduce_precision=bool, enable_dynamic_memory=bool, graph_memory_max_size=str,
+                 variable_memory_max_size=str, enable_profiling=bool, profiling_options=str)
 def set_context(**kwargs):
     """
     Sets context for running environment.
diff --git a/mindspore/nn/optim/optimizer.py b/mindspore/nn/optim/optimizer.py
index 658ffb7b46..28c5d9e939 100755
--- a/mindspore/nn/optim/optimizer.py
+++ b/mindspore/nn/optim/optimizer.py
@@ -292,7 +292,6 @@ class Optimizer(Cell):
                     current_dynamic_lr = self.gather(self.learning_rate[i], self.global_step, 0)
                     lr += (current_dynamic_lr,)
                 F.control_depend(lr, self.assignadd(self.global_step, 1))
-
         else:
             lr = self.learning_rate
             if self.dynamic_lr:
diff --git a/mindspore/ops/_grad/grad_nn_ops.py b/mindspore/ops/_grad/grad_nn_ops.py
index 9f1ccdf5a9..fa34ac545f 100755
--- a/mindspore/ops/_grad/grad_nn_ops.py
+++ b/mindspore/ops/_grad/grad_nn_ops.py
@@ -516,6 +516,18 @@ def get_bprop_l2_loss(self):
     return bprop
 
 
+@bprop_getters.register(P.RNNTLoss)
+def get_bprop_rnnt_loss(self):
+    """Grad definition for `RNNTLoss` operation."""
+    expand = P.ExpandDims()
+
+    def bprop(acts, labels, act_lens, label_lens, out, dout):
+        grad_loss = out[1]
+        grad = grad_loss * expand(expand(expand(dout[0], -1), -1), -1)
+        return grad, zeros_like(labels), zeros_like(act_lens), zeros_like(label_lens)
+    return bprop
+
+
 @bprop_getters.register(P.PReLU)
 def get_bprop_prelu(self):
     """Grad definition for `PReLU` operation."""
diff --git a/mindspore/ops/_op_impl/aicpu/__init__.py b/mindspore/ops/_op_impl/aicpu/__init__.py
index 37d008940d..bb490d050b 100644
--- a/mindspore/ops/_op_impl/aicpu/__init__.py
+++ b/mindspore/ops/_op_impl/aicpu/__init__.py
@@ -24,3 +24,6 @@ from .flatten import _flatten_aicpu
 from .squeeze import _squeeze_aicpu
 from .expand_dims import _expand_dims_aicpu
 from .random_choice_with_mask import _random_choice_with_mask_aicpu
+from .ctcloss import _ctcloss_aicpu
+from .rnnt_loss import _rnnt_loss_aicpu
+from .random_categorical import _random_categorical_aicpu
diff --git a/mindspore/ops/_op_impl/aicpu/ctcloss.py b/mindspore/ops/_op_impl/aicpu/ctcloss.py
new file mode 100644
index 0000000000..c393cb04b6
--- /dev/null
+++ b/mindspore/ops/_op_impl/aicpu/ctcloss.py
@@ -0,0 +1,42 @@
+# 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.
+# ============================================================================
+
+"""CTCLoss op"""
+from mindspore.ops.op_info_register import op_info_register, AiCPURegOp, DataType
+ctcloss_op_info = AiCPURegOp("CTCLoss") \
+    .fusion_type("OPAQUE") \
+    .input(0, "inputs", "required") \
+    .input(1, "labels_indices", "required") \
+    .input(2, "labels_values", "required") \
+    .input(3, "sequence_length", "required") \
+    .output(0, "loss", "required") \
+    .output(1, "gradient", "required") \
+    .attr("preprocess_collapse_repeated", "bool") \
+    .attr("ctc_merge_repeated", "bool") \
+    .attr("ignore_longer_outputs_than_inputs", "bool") \
+    .dtype_format(DataType.F32_Default, DataType.I64_Default, DataType.I32_Default, DataType.I32_Default,
+                  DataType.F32_Default, DataType.F32_Default) \
+    .dtype_format(DataType.F64_Default, DataType.I64_Default, DataType.I32_Default, DataType.I32_Default,
+                  DataType.F64_Default, DataType.F64_Default) \
+    .dtype_format(DataType.F32_NCHW, DataType.I64_NCHW, DataType.I32_NCHW, DataType.I32_NCHW,
+                  DataType.F32_NCHW, DataType.F32_NCHW) \
+    .dtype_format(DataType.F64_NCHW, DataType.I64_NCHW, DataType.I32_NCHW, DataType.I32_NCHW,
+                  DataType.F64_NCHW, DataType.F64_NCHW) \
+    .get_op_info()
+
+@op_info_register(ctcloss_op_info)
+def _ctcloss_aicpu():
+    """CTCLoss AiCPU register"""
+    return
diff --git a/mindspore/ops/_op_impl/aicpu/random_categorical.py b/mindspore/ops/_op_impl/aicpu/random_categorical.py
new file mode 100644
index 0000000000..a0c6f64c97
--- /dev/null
+++ b/mindspore/ops/_op_impl/aicpu/random_categorical.py
@@ -0,0 +1,48 @@
+# 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.
+# ============================================================================
+
+"""RandomCategorical op"""
+from mindspore.ops.op_info_register import op_info_register, AiCPURegOp, DataType
+
+random_categorical_op_info = AiCPURegOp("RandomCategorical") \
+    .fusion_type("OPAQUE") \
+    .input(0, "logits", "required") \
+    .input(1, "num_sample", "required") \
+    .input(2, "seed", "required") \
+    .output(0, "output", "required") \
+    .dtype_format(DataType.F16_Default, DataType.I32_Default, DataType.I32_Default, DataType.I16_Default) \
+    .dtype_format(DataType.F32_Default, DataType.I32_Default, DataType.I32_Default, DataType.I16_Default) \
+    .dtype_format(DataType.F64_Default, DataType.I32_Default, DataType.I32_Default, DataType.I16_Default) \
+    .dtype_format(DataType.F16_Default, DataType.I32_Default, DataType.I32_Default, DataType.I32_Default) \
+    .dtype_format(DataType.F32_Default, DataType.I32_Default, DataType.I32_Default, DataType.I32_Default) \
+    .dtype_format(DataType.F64_Default, DataType.I32_Default, DataType.I32_Default, DataType.I32_Default) \
+    .dtype_format(DataType.F16_Default, DataType.I32_Default, DataType.I32_Default, DataType.I64_Default) \
+    .dtype_format(DataType.F32_Default, DataType.I32_Default, DataType.I32_Default, DataType.I64_Default) \
+    .dtype_format(DataType.F64_Default, DataType.I32_Default, DataType.I32_Default, DataType.I64_Default) \
+    .dtype_format(DataType.F16_Default, DataType.I64_Default, DataType.I64_Default, DataType.I16_Default) \
+    .dtype_format(DataType.F32_Default, DataType.I64_Default, DataType.I64_Default, DataType.I16_Default) \
+    .dtype_format(DataType.F64_Default, DataType.I64_Default, DataType.I64_Default, DataType.I16_Default) \
+    .dtype_format(DataType.F16_Default, DataType.I64_Default, DataType.I64_Default, DataType.I32_Default) \
+    .dtype_format(DataType.F32_Default, DataType.I64_Default, DataType.I64_Default, DataType.I32_Default) \
+    .dtype_format(DataType.F64_Default, DataType.I64_Default, DataType.I64_Default, DataType.I32_Default) \
+    .dtype_format(DataType.F16_Default, DataType.I64_Default, DataType.I64_Default, DataType.I64_Default) \
+    .dtype_format(DataType.F32_Default, DataType.I64_Default, DataType.I64_Default, DataType.I64_Default) \
+    .dtype_format(DataType.F64_Default, DataType.I64_Default, DataType.I64_Default, DataType.I64_Default) \
+    .get_op_info()
+
+@op_info_register(random_categorical_op_info)
+def _random_categorical_aicpu():
+    """RandomCategorical AiCPU register"""
+    return
diff --git a/mindspore/ops/_op_impl/aicpu/rnnt_loss.py b/mindspore/ops/_op_impl/aicpu/rnnt_loss.py
new file mode 100644
index 0000000000..d35d102048
--- /dev/null
+++ b/mindspore/ops/_op_impl/aicpu/rnnt_loss.py
@@ -0,0 +1,37 @@
+# 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.
+# ============================================================================
+
+"""RNNTLoss op"""
+from mindspore.ops.op_info_register import op_info_register, AiCPURegOp, DataType
+
+rnnt_loss_op_info = AiCPURegOp("RNNTLoss") \
+    .fusion_type("OPAQUE") \
+    .input(0, "acts", "required") \
+    .input(1, "labels", "required") \
+    .input(2, "input_lengths", "required") \
+    .input(3, "label_lengths", "required") \
+    .output(0, "costs", "required") \
+    .output(1, "grads", "required") \
+    .attr("blank_label", "int") \
+    .dtype_format(DataType.F32_NCHW, DataType.I32_NCHW, DataType.I32_NCHW, DataType.I32_NCHW, DataType.F32_NCHW,
+                  DataType.F32_NCHW) \
+    .dtype_format(DataType.F32_Default, DataType.I32_Default, DataType.I32_Default, DataType.I32_Default,
+                  DataType.F32_Default, DataType.F32_Default) \
+    .get_op_info()
+
+@op_info_register(rnnt_loss_op_info)
+def _rnnt_loss_aicpu():
+    """RNNTLoss AiCPU register"""
+    return
diff --git a/mindspore/ops/operations/__init__.py b/mindspore/ops/operations/__init__.py
index 71c11f492d..a5c2e9edbb 100644
--- a/mindspore/ops/operations/__init__.py
+++ b/mindspore/ops/operations/__init__.py
@@ -51,7 +51,7 @@ from .math_ops import (Abs, ACos, Asin, Asinh, AddN, AssignAdd, AssignSub, Atan2
                        Reciprocal, CumSum,
                        Sin, Sqrt, Rsqrt, BesselI0e, BesselI1e,
                        Square, Sub, TensorAdd, Sign, Round, SquareSumAll, Atan, Atanh)
-from .random_ops import (RandomChoiceWithMask)
+from .random_ops import (RandomChoiceWithMask, RandomCategorical)
 from .nn_ops import (LSTM, SGD, Adam, ApplyMomentum, BatchNorm,
                      BiasAdd, Conv2D,
                      DepthwiseConv2dNative,
@@ -66,6 +66,7 @@ from .nn_ops import (LSTM, SGD, Adam, ApplyMomentum, BatchNorm,
                      ResizeBilinear, Sigmoid,
                      SigmoidCrossEntropyWithLogits,
                      SmoothL1Loss, Softmax, Softplus,
+                     RNNTLoss,
                      SoftmaxCrossEntropyWithLogits, ROIAlign,
                      SparseSoftmaxCrossEntropyWithLogits, Tanh,
                      TopK, BinaryCrossEntropy, SparseApplyAdagrad, LARSUpdate, ApplyFtrl, SparseApplyFtrl,
@@ -155,6 +156,7 @@ __all__ = [
     'HSigmoid',
     'Tanh',
     'RandomChoiceWithMask',
+    'RandomCategorical',
     'ResizeBilinear',
     'ScalarSummary',
     'ImageSummary',
@@ -183,6 +185,7 @@ __all__ = [
     'SmoothL1Loss',
     'L2Loss',
     'CTCLoss',
+    'RNNTLoss',
     'ReduceAll',
     'ScalarToArray',
     'ScalarToTensor',
diff --git a/mindspore/ops/operations/nn_ops.py b/mindspore/ops/operations/nn_ops.py
index ed7237b04c..98a3ccd9a7 100644
--- a/mindspore/ops/operations/nn_ops.py
+++ b/mindspore/ops/operations/nn_ops.py
@@ -1608,6 +1608,61 @@ class L2Loss(PrimitiveWithInfer):
         return x_type
 
 
+class RNNTLoss(PrimitiveWithInfer):
+    """
+    Computes the RNNTLoss and its gradient with respect to the softmax outputs.
+
+    Args:
+        blank_label (int): blank label. Default: 0.
+
+    Inputs:
+        - **acts** (Tensor[float32]) - Tensor of shape :math:`(B, T, U, V)`.
+        - **labels** (Tensor[int32]) - Tensor of shape :math:`(B, N)`.
+        - **input_lengths** (Tensor[int32]) - Tensor of shape :math:`(B,)`.
+        - **label_lebgths** (Tensor[int32]) - Tensor of shape :math:`(B,)`.
+
+    Outputs:
+        - **costs** (Tensor[int32]) - Tensor of shape :math:`(B,)`.
+        - **grads** (Tensor[int32]) - Has the same shape as `acts`.
+
+    Examples:
+        >>> B, T, U, V = 1, 2, 3, 5
+        >>> acts = np.random.random((B, T, U, V)).astype(np.float32)
+        >>> labels = np.array([[1, 2]]).astype(np.int32)
+        >>> input_length = np.array([T] * B).astype(np.int32)
+        >>> label_length = np.array([len(l) for l in labels]).astype(np.int32)
+        >>> rnnt_loss = P.RNNTLoss(blank_label=blank)
+        >>> costs, grads = rnnt_loss(Tensor(acts), Tensor(labels), Tensor(input_length), Tensor(label_length))
+    """
+    @prim_attr_register
+    def __init__(self, blank_label=0):
+        validator.check_value_type('blank_label', blank_label, [int], self.name)
+        self.init_prim_io_names(inputs=['acts', 'labels', 'input_length', 'label_length'],
+                                outputs=['costs', 'grads'])
+
+    def infer_shape(self, acts_shape, labels_shape, input_length_shape, label_length_shape):
+        validator.check_integer('acts_rank', len(acts_shape), 4, Rel.EQ, self.name)
+        validator.check_integer('labels_rank', len(labels_shape), 2, Rel.EQ, self.name)
+        validator.check_integer('input_length_rank', len(input_length_shape), 1, Rel.EQ, self.name)
+        validator.check_integer('label_length_rank', len(label_length_shape), 1, Rel.EQ, self.name)
+        validator.check('labels shape[0]', labels_shape[0], 'acts shape[0]', acts_shape[0], Rel.EQ, self.name)
+        validator.check('input_length size', input_length_shape[0], 'acts shape[0]', acts_shape[0], Rel.EQ, self.name)
+        validator.check('label_length size', label_length_shape[0], 'acts shape[0]', acts_shape[0], Rel.EQ, self.name)
+        costs_shape = (acts_shape[0],)
+        return (costs_shape, acts_shape)
+
+    def infer_dtype(self, acts_type, labels_type, input_length_type, label_length_type):
+        validator.check_subclass("acts_type", acts_type, mstype.tensor, self.name)
+        validator.check_subclass("labels_type", labels_type, mstype.tensor, self.name)
+        validator.check_subclass("input_length_type", input_length_type, mstype.tensor, self.name)
+        validator.check_subclass("label_length_type", label_length_type, mstype.tensor, self.name)
+        validator.check_tensor_type_same({"acts_type": acts_type}, [mstype.float32], self.name)
+        validator.check_tensor_type_same({"labels_type": labels_type}, [mstype.int32], self.name)
+        validator.check_tensor_type_same({"input_length_type": input_length_type}, [mstype.int32], self.name)
+        validator.check_tensor_type_same({"label_length_type": label_length_type}, [mstype.int32], self.name)
+        return (acts_type, acts_type)
+
+
 class SGD(PrimitiveWithInfer):
     """
     Computes stochastic gradient descent (optionally with momentum).
diff --git a/mindspore/ops/operations/random_ops.py b/mindspore/ops/operations/random_ops.py
index 2692b43b46..77201c25f9 100644
--- a/mindspore/ops/operations/random_ops.py
+++ b/mindspore/ops/operations/random_ops.py
@@ -64,3 +64,61 @@ class RandomChoiceWithMask(PrimitiveWithInfer):
     def infer_dtype(self, x_dtype):
         validator.check_tensor_type_same({'x': x_dtype}, [mstype.bool_], self.name)
         return (mstype.int32, mstype.bool_)
+
+
+class RandomCategorical(PrimitiveWithInfer):
+    """
+    Generates random samples from a given categorical distribution tensor.
+
+    Args:
+        dtype (mindspore.dtype): The type of output. Its value should be one of [mindspore.int16,
+            mindspore.int32, mindspore.int64]. Default: mindspore.int64.
+
+    Inputs:
+        - **logits** (Tensor) - The input tensor. 2-D Tensor with shape [batch_size, num_classes].
+        - **num_sample** (int) - Number of sample to be drawn. Only constant values is allowed.
+        - **seed** (int) - Random seed. Default: 0.
+
+    Outputs:
+        - **output** (Tensor) - The output Tensor with shape [batch_size, num_samples].
+
+    Examples:
+        >>> class Net(nn.Cell):
+        >>>   def __init__(self, num_sample):
+        >>>     super(Net, self).__init__()
+        >>>     self.random_categorical = P.RandomCategorical(mindspore.int64)
+        >>>     self.num_sample = num_sample
+        >>>   def construct(self, logits, seed=0):
+        >>>     return self.random_categorical(logits, self.num_sample, seed)
+        >>>
+        >>> x = np.random.random((10, 5)).astype(np.float32)
+        >>> net = Net(8)
+        >>> output = net(Tensor(x))
+    """
+    @prim_attr_register
+    def __init__(self, dtype=mstype.int64):
+        """Init RandomCategorical"""
+        self.dtype = dtype
+
+        valid_values = (mstype.int32, mstype.int16, mstype.int64)
+        validator.check_type_name("dtype", dtype, valid_values, self.name)
+        self.init_prim_io_names(inputs=['logits', 'num_samples', 'seed'],
+                                outputs=['output'])
+
+    def __infer__(self, logits, num_samples, seed):
+        logits_dtype = logits['dtype']
+        valid_types = (mstype.float32, mstype.float16, mstype.float64)
+        validator.check_tensor_type_same({'logits': logits_dtype}, valid_types, self.name)
+        num_samples_v = num_samples['value']
+        seed_v = seed['value']
+        validator.check_value_type('num_samples', num_samples_v, (int,), self.name)
+        validator.check_value_type('seed', seed_v, (int,), self.name)
+        validator.check_integer("num_samples", num_samples_v, 0, Rel.GT, self.name)
+        x_shape = list(logits['shape'])
+        if len(x_shape) != 2:
+            raise ValueError("RandomCategorical shape should be 2-dimension.")
+        ndim = len(x_shape) - 1
+        x_shape[ndim] = num_samples_v
+        return {'shape': (x_shape),
+                'dtype': (self.dtype),
+                'value': None}
diff --git a/tests/st/ops/ascend/test_aicpu_ops/test_random_categorical.py b/tests/st/ops/ascend/test_aicpu_ops/test_random_categorical.py
new file mode 100644
index 0000000000..6304e8b111
--- /dev/null
+++ b/tests/st/ops/ascend/test_aicpu_ops/test_random_categorical.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.
+# ============================================================================
+import mindspore
+from mindspore import Tensor
+from mindspore.ops import operations as P
+import mindspore.nn as nn
+from mindspore.common.api import ms_function
+import numpy as np
+import mindspore.context as context
+context.set_context(mode=context.GRAPH_MODE, device_target="Ascend")
+class Net(nn.Cell):
+  def __init__(self, num_sample):
+    super(Net, self).__init__()
+    self.random_categorical = P.RandomCategorical(mindspore.int64)
+    self.num_sample = num_sample
+
+  def construct(self, logits, seed=0):
+    return self.random_categorical(logits, self.num_sample, seed)
+
+def test_net():
+  x = np.random.random((10, 5)).astype(np.float32)
+  net = Net(8)
+  output = net(Tensor(x))
+  print(x)
+  print(output.asnumpy())
+  print(output.dtype())
diff --git a/tests/st/ops/ascend/test_aicpu_ops/test_rnnt_loss.py b/tests/st/ops/ascend/test_aicpu_ops/test_rnnt_loss.py
new file mode 100644
index 0000000000..c7e2df07f8
--- /dev/null
+++ b/tests/st/ops/ascend/test_aicpu_ops/test_rnnt_loss.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.
+# ============================================================================
+import mindspore as ms
+from mindspore import Tensor
+from mindspore.ops import operations as P
+import mindspore.nn as nn
+from mindspore.common.api import ms_function
+import numpy as np
+import mindspore.context as context
+context.set_context(mode=context.GRAPH_MODE, device_target="Ascend")
+class Net(nn.Cell):
+  def __init__(self):
+    super(Net, self).__init__()
+    self.rnnt_loss = P.RNNTLoss(blank_label=0)
+
+  def construct(self, acts, labels, act_lens, label_lens):
+    return self.rnnt_loss(acts, labels, act_lens, label_lens)
+
+
+def test_net():
+  B, T, U, V = 1, 2, 3, 5
+  acts = np.random.random((B, T, U, V)).astype(np.float32)
+  labels = np.array([[np.random.randint(1, V-1) for _ in range(U-1)]]).astype(np.int32)
+  input_length = np.array([T] * B).astype(np.int32)
+  label_length = np.array([len(l) for l in labels]).astype(np.int32)
+  
+  rnnt_loss = Net()
+  costs, grads = rnnt_loss(Tensor(acts), Tensor(labels), Tensor(input_length), Tensor(label_length))
+  print(Tensor(acts), Tensor(labels), Tensor(input_length), Tensor(label_length))
+  print(costs.asnumpy())
+  print(grads.asnumpy())
diff --git a/tests/ut/cpp/CMakeLists.txt b/tests/ut/cpp/CMakeLists.txt
index 9213e41450..5e30b074a3 100644
--- a/tests/ut/cpp/CMakeLists.txt
+++ b/tests/ut/cpp/CMakeLists.txt
@@ -129,7 +129,7 @@ add_executable(ut_tests ${UT_SRCS} ${MINDSPORE_SRC_LIST} ${UT_SUTB_SRC_LIST})
 
 if (ENABLE_GE)
     if(ENABLE_TRAIN)
-        target_link_libraries(ut_tests PRIVATE graph ge_client_train)
+        target_link_libraries(ut_tests PRIVATE graph ge_runner)
     else()
         target_link_libraries(ut_tests PRIVATE graph ge_client)
     endif()
diff --git a/tests/ut/python/optimizer/test_optimize_with_parameter_groups.py b/tests/ut/python/optimizer/test_optimize_with_parameter_groups.py
index 96c3c936b2..705c85be26 100644
--- a/tests/ut/python/optimizer/test_optimize_with_parameter_groups.py
+++ b/tests/ut/python/optimizer/test_optimize_with_parameter_groups.py
@@ -29,7 +29,6 @@ context.set_context(mode=context.GRAPH_MODE)
 
 class LeNet5(nn.Cell):
     """ LeNet5 definition """
-
     def __init__(self):
         super(LeNet5, self).__init__()
         self.conv1 = nn.Conv2d(1, 6, 5, pad_mode='valid')