add dynamic shape support and testcases to GPU Dropout

mindspore/ccsrc/backend/kernel_compiler/gpu/nn/dropout_gpu_kernel.h

@@ -1,5 +1,5 @@
 /**
- * Copyright 2020 Huawei Technologies Co., Ltd
+ * Copyright 2020-2021 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.
@@ -28,14 +28,7 @@ namespace kernel {
 template <typename T>
 class DropoutGpuFwdKernel : public GpuKernel {
  public:
-  DropoutGpuFwdKernel()
-      : cudnn_handle_(nullptr),
-        is_null_input_(false),
-        num_count_(0),
-        keep_prob_(0.0),
-        states_init_(false),
-        mask_generator_(nullptr) {}
-
+  DropoutGpuFwdKernel() { ResetResource(); }
   ~DropoutGpuFwdKernel() override = default;
 
   const std::vector<size_t> &GetInputSizeList() const override { return input_size_list_; }
@@ -96,6 +89,18 @@ class DropoutGpuFwdKernel : public GpuKernel {
     return true;
   }
 
+  void ResetResource() noexcept override {
+    cudnn_handle_ = nullptr;
+    is_null_input_ = false;
+    num_count_ = 0;
+    keep_prob_ = 0.0;
+    states_init_ = false;
+    mask_generator_ = nullptr;
+    input_size_list_.clear();
+    output_size_list_.clear();
+    workspace_size_list_.clear();
+  }
+
  protected:
   void InitResource() override { cudnn_handle_ = device::gpu::GPUDeviceManager::GetInstance().GetCudnnHandle(); }
 

mindspore/core/abstract/infer_functions.h

@@ -85,6 +85,8 @@ AbstractBasePtr InferImplLayerNorm(const AnalysisEnginePtr &, const PrimitivePtr
                                    const AbstractBasePtrList &args_spec_list);
 AbstractBasePtr InferImplLayerNormGrad(const AnalysisEnginePtr &, const PrimitivePtr &primitive,
                                        const AbstractBasePtrList &args_spec_list);
+AbstractBasePtr InferImplDropout(const AnalysisEnginePtr &, const PrimitivePtr &primitive,
+                                 const AbstractBasePtrList &args_spec_list);
 AbstractBasePtr InferImplDropoutGenMask(const AnalysisEnginePtr &, const PrimitivePtr &primitive,
                                         const AbstractBasePtrList &args_spec_list);
 

mindspore/core/abstract/prim_nn.cc

@@ -1,5 +1,5 @@
 /**
- * Copyright 2019 Huawei Technologies Co., Ltd
+ * Copyright 2019-2021 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.
@@ -573,6 +573,23 @@ AbstractBasePtr InferImplLayerNormGrad(const AnalysisEnginePtr &, const Primitiv
   return std::make_shared<AbstractTuple>(args_list);
 }
 
+AbstractBasePtr InferImplDropout(const AnalysisEnginePtr &, const PrimitivePtr &primitive,
+                                 const AbstractBasePtrList &args_spec_list) {
+  const std::string op_name = primitive->name();
+  CheckArgsSize(op_name, args_spec_list, 1);
+  auto x = CheckArg<AbstractTensor>(op_name, args_spec_list, 0);
+  MS_EXCEPTION_IF_NULL(x);
+  MS_EXCEPTION_IF_NULL(x->shape());
+  ShapeVector shape = x->shape()->shape();
+  ShapeVector min_shape = x->shape()->min_shape();
+  ShapeVector max_shape = x->shape()->max_shape();
+  (void)CheckMinMaxShape(shape, &min_shape, &max_shape);
+  auto output_shape =
+    std::make_shared<AbstractTensor>(x->element(), std::make_shared<Shape>(shape, min_shape, max_shape));
+  AbstractBasePtrList ret = {output_shape, output_shape};
+  return std::make_shared<AbstractTuple>(ret);
+}
+
 AbstractBasePtr InferImplDropoutGenMask(const AnalysisEnginePtr &, const PrimitivePtr &primitive,
                                         const AbstractBasePtrList &args_spec_list) {
   // Inputs: a tuple and a tensor.

mindspore/core/abstract/primitive_infer_map.cc

@@ -123,6 +123,7 @@ PrimitiveEvalImplMap &GetPrimitiveToEvalImplMap() {
     {prim::kPrimBpropCut, {InferImplBpropCut, true}},
     {prim::kPrimLayerNorm, {InferImplLayerNorm, true}},
     {prim::kPrimLayerNormGrad, {InferImplLayerNormGrad, true}},
+    {prim::kPrimDropout, {InferImplDropout, true}},
     {prim::kPrimDropoutGenMask, {InferImplDropoutGenMask, true}},
     {prim::kPrimSparseApplyFtrl, {InferImplSparseApplyFtrl, true}},
     {prim::kPrimSparseApplyProximalAdagrad, {InferImplSparseApplyProximalAdagrad, true}},

mindspore/ops/operations/nn_ops.py

@@ -6336,7 +6336,7 @@ class SparseApplyFtrlV2(PrimitiveWithInfer):
         return var_dtype, accum_dtype, linear_dtype
 
 
-class Dropout(PrimitiveWithInfer):
+class Dropout(PrimitiveWithCheck):
     """
     During training, randomly zeroes some of the elements of the input tensor with probability.
 
@@ -6367,15 +6367,12 @@ class Dropout(PrimitiveWithInfer):
         self.seed1 = validator.check_value_type("Seed1", Seed1, [int], self.name)
         self.keep_prob = validator.check_float_range(keep_prob, 0, 1, Rel.INC_RIGHT, "keep_prob", self.name)
 
-    def infer_shape(self, x_shape):
+    def check_shape(self, x_shape):
         validator.check_int(len(x_shape), 1, Rel.GE, "x_shape", self.name)
-        mask_shape = x_shape
-        return x_shape, mask_shape
 
-    def infer_dtype(self, x_dtype):
+    def check_dtype(self, x_dtype):
         valid_dtypes = (mstype.float16, mstype.float32)
         validator.check_tensor_dtype_valid("x", x_dtype, valid_dtypes, self.name)
-        return x_dtype, x_dtype
 
 
 class Dropout3d(PrimitiveWithInfer):

tests/st/ops/gpu/test_dropout.py

@@ -1,4 +1,4 @@
-# Copyright 2020 Huawei Technologies Co., Ltd
+# Copyright 2020-2021 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.
@@ -17,8 +17,9 @@ import pytest
 
 import mindspore.nn as nn
 from mindspore import Tensor
+import mindspore.context as context
 from mindspore.ops import operations as P
-
+from mindspore.ops.operations import _inner_ops as inner
 
 class Net(nn.Cell):
     def __init__(self, keep_prob):
@@ -52,3 +53,47 @@ def test_dropout():
     mask_sum = np.sum(mask_np)
     assert np.count_nonzero(mask_np) == nonzero_count
     assert abs(mask_sum - nonzero_count)/nonzero_count < 0.1
+
+
+class DropoutDynamic(nn.Cell):
+    def __init__(self, keep_prob):
+        super(DropoutDynamic, self).__init__()
+        self.test_dynamic = inner.GpuConvertToDynamicShape()
+        self.drop = P.Dropout(keep_prob)
+
+    def construct(self, x):
+        x = self.test_dynamic(x)
+        return self.drop(x)
+
+
+@pytest.mark.level0
+@pytest.mark.platform_x86_gpu_training
+@pytest.mark.env_onecard
+def test_dropout_dynamic():
+    context.set_context(mode=context.GRAPH_MODE, device_target="GPU")
+    x_1 = np.ones([32, 16, 2, 5]).astype(np.float32)
+    x_2 = np.ones([32, 16, 2, 5, 6]).astype(np.float32)
+    keep_prob = 0.4
+    net = DropoutDynamic(keep_prob)
+
+    output_1, mask_1 = net(Tensor(x_1))
+    elem_count_1 = x_1.size
+    nonzero_count_1 = np.count_nonzero(output_1.asnumpy())
+    assert (elem_count_1 * (keep_prob - 0.1)) < nonzero_count_1 < (elem_count_1 * (keep_prob + 0.1))
+    output_sum_1 = np.sum(output_1.asnumpy())
+    x_sum_1 = np.sum(x_1)
+    assert abs(output_sum_1 - x_sum_1)/x_sum_1 < 0.1
+    mask_sum_1 = np.sum(mask_1.asnumpy())
+    assert np.count_nonzero(mask_1.asnumpy()) == nonzero_count_1
+    assert abs(mask_sum_1 - nonzero_count_1)/nonzero_count_1 < 0.1
+
+    output_2, mask_2 = net(Tensor(x_2))
+    elem_count_2 = x_2.size
+    nonzero_count_2 = np.count_nonzero(output_2.asnumpy())
+    assert (elem_count_2 * (keep_prob - 0.1)) < nonzero_count_2 < (elem_count_2 * (keep_prob + 0.1))
+    output_sum_2 = np.sum(output_2.asnumpy())
+    x_sum_2 = np.sum(x_2)
+    assert abs(output_sum_2 - x_sum_2)/x_sum_2 < 0.1
+    mask_sum_2 = np.sum(mask_2.asnumpy())
+    assert np.count_nonzero(mask_2.asnumpy()) == nonzero_count_2
+    assert abs(mask_sum_2 - nonzero_count_2)/nonzero_count_2 < 0.1