refresh resize interface

mindspore/lite/include/lite_session.h

@@ -116,7 +116,7 @@ class MS_API LiteSession {
   /// \param[in] inputs Define the new inputs shape.
   ///
   /// \return STATUS as an error code of resize inputs, STATUS is defined in errorcode.h.
-  virtual int Resize(const std::vector<tensor::MSTensor *> &inputs) = 0;
+  virtual int Resize(const std::vector<tensor::MSTensor *> &inputs, const std::vector<std::vector<int>>& dims) = 0;
 };
 }  // namespace session
 }  // namespace mindspore

mindspore/lite/src/lite_session.cc

@@ -389,34 +389,51 @@ std::unordered_map<std::string, mindspore::tensor::MSTensor *> LiteSession::GetO
   return this->output_tensor_map_;
 }
 
-int LiteSession::ResizeInputs(const std::vector<mindspore::tensor::MSTensor *> &inputs) {
+int LiteSession::ResizeInputs(const std::vector<mindspore::tensor::MSTensor *> &inputs,
+                              const std::vector<std::vector<int>> &dims) {
   if (inputs.size() != inputs_.size()) {
     MS_LOG(ERROR) << "Inputs size " << inputs.size() << " is not equal to " << inputs_.size();
     return RET_PARAM_INVALID;
   }
 
+  if (dims.size() != inputs.size()) {
+    MS_LOG(ERROR) << "Input dims size " << dims.size() << " is not equal to the inputs size " << inputs.size();
+    return RET_PARAM_INVALID;
+  }
+
   for (size_t i = 0; i < inputs.size(); ++i) {
-    if (inputs[i] == nullptr) {
-      MS_LOG(ERROR) << "Input tensor is nullptr!";
+    if (inputs[i] != inputs_[i]) {
+      MS_LOG(ERROR) << "Input[" << i << "] tensor is not equal to the inputs have been saved!";
       return RET_PARAM_INVALID;
     }
-    inputs_[i]->set_shape(inputs[i]->shape());
+
+    inputs_[i]->set_shape(dims[i]);
   }
   return RET_OK;
 }
 
-int LiteSession::Resize(const std::vector<mindspore::tensor::MSTensor *> &inputs) {
-  std::vector<Tensor *> inputs_old(inputs_);
-  auto ret = ResizeInputs(inputs);
+void LiteSession::ResetInputsShape(const std::vector<std::vector<int>> &dims) {
+  for (size_t i = 0; i < inputs_.size(); ++i) {
+    inputs_[i]->set_shape(dims[i]);
+  }
+}
+
+int LiteSession::Resize(const std::vector<mindspore::tensor::MSTensor *> &inputs,
+                        const std::vector<std::vector<int>> &dims) {
+  std::vector<std::vector<int>> old_dims;
+  for (size_t i = 0; i < inputs_.size(); ++i) {
+    old_dims.push_back(inputs_[i]->shape());
+  }
+  auto ret = ResizeInputs(inputs, dims);
   if (ret != RET_OK) {
-    inputs_ = inputs_old;
+    ResetInputsShape(old_dims);
     return ret;
   }
 
   Scheduler scheduler(context_);
   ret = scheduler.ReSizeKernels(kernels_);
   if (ret != RET_OK) {
-    inputs_ = inputs_old;
+    ResetInputsShape(old_dims);
     auto resize_ret = scheduler.ReSizeKernels(kernels_);
     if (resize_ret != RET_OK) {
       MS_LOG(ERROR) << "restore kernel size fail!ret: " << resize_ret;

mindspore/lite/src/lite_session.h

@@ -59,7 +59,8 @@ class LiteSession : public session::LiteSession {
 
   std::unordered_map<std::string, mindspore::tensor::MSTensor *> GetOutputs() const override;
 
-  int Resize(const std::vector<mindspore::tensor::MSTensor *> &inputs) override;
+  int Resize(const std::vector<mindspore::tensor::MSTensor *> &inputs,
+             const std::vector<std::vector<int>> &dims) override;
 
  protected:
   int ConvertTensors(const lite::Model *model);
@@ -80,7 +81,11 @@ class LiteSession : public session::LiteSession {
 
   void InitGraphOutputTensorMap(const lite::Model *model);
 
-  int ResizeInputs(const std::vector<mindspore::tensor::MSTensor *> &inputs);
+  int ResizeInputs(const std::vector<mindspore::tensor::MSTensor *> &inputs,
+                   const std::vector<std::vector<int>> &dims);
+
+ private:
+  void ResetInputsShape(const std::vector<std::vector<int>> &dims);
 
  protected:
   Context *context_ = nullptr;

mindspore/lite/src/scheduler.cc

@@ -52,6 +52,7 @@ int Scheduler::Schedule(const lite::Model *model, std::vector<Tensor *> *tensors
 }
 
 int Scheduler::ReSizeKernels(const std::vector<kernel::LiteKernel *> &kernels) {
+  bool infer_shape_interrupt = false;
   for (size_t i = 0; i < kernels.size(); ++i) {
     if (kernels[i] == nullptr) {
       MS_LOG(ERROR) << "input kernel is nullptr!";
@@ -64,15 +65,25 @@ int Scheduler::ReSizeKernels(const std::vector<kernel::LiteKernel *> &kernels) {
     }
     std::vector<Tensor *> &inputs = kernels[i]->in_tensors();
     std::vector<Tensor *> &outputs = kernels[i]->out_tensors();
+    primitive->SetInferFlag(!infer_shape_interrupt);
     auto ret = primitive->InferShape(inputs, outputs);
-    if (ret != RET_OK) {
-      MS_LOG(ERROR) << "InferShape failed, name: " << kernels[i]->name() << ", ret = " << ret;
-      return ret;
+    if (ret == RET_INFER_INVALID) {
+      MS_LOG(INFO) << "InferShape shouldn't be done before runtime, type:"
+                   << schema::EnumNamePrimitiveType(static_cast<schema::PrimitiveType>(primitive->Type()))
+                   << "flag set to false.";
+      primitive->SetInferFlag(false);
+      infer_shape_interrupt = true;
+    } else if (ret != RET_OK) {
+      MS_LOG(ERROR) << "InferShape failed, type: "
+                    << schema::EnumNamePrimitiveType(static_cast<schema::PrimitiveType>(primitive->Type()));
+      return RET_INFER_ERR;
     }
-    ret = kernels[i]->ReSize();
-    if (ret != RET_OK) {
-      MS_LOG(ERROR) << "kernel " << kernels[i]->name() << " resize fail!ret = " << ret;
-      return ret;
+    if (!infer_shape_interrupt) {
+      ret = kernels[i]->ReSize();
+      if (ret != RET_OK) {
+        MS_LOG(ERROR) << "kernel " << kernels[i]->name() << " resize fail!ret = " << ret;
+        return ret;
+      }
     }
   }
   return RET_OK;