fix split op and arm unit test

paddle/fluid/lite/arm/math/split.cc

@@ -52,10 +52,10 @@ void split_cpy<float>(const float* din, float* dout, int num) {
 }
 
 template <>
-void split<float>(const float* din, std::vector<lite::Tensor*>* dout,
+void split<float>(const float* din, const std::vector<lite::Tensor*>& dout,
                   const int axis, const std::vector<int>& in_strides) {
   int input_offset = 0;
-  for (auto out : *dout) {
+  for (auto out : dout) {
     auto out_dim = out->dims();
     std::vector<int> out_strides(out_dim.size());
     out_strides[out_dim.size() - 1] = out_dim[out_dim.size() - 1];

paddle/fluid/lite/arm/math/split.h

@@ -26,7 +26,7 @@ template <typename T>
 void split_cpy(const T* din, T* dout, int num);
 
 template <typename T>
-void split(const T* din, std::vector<lite::Tensor*>* dout, const int axis,
+void split(const T* din, const std::vector<lite::Tensor*>& dout, const int axis,
            const std::vector<int>& in_strides);
 
 }  // namespace math

paddle/fluid/lite/kernels/arm/split_compute.cc

@@ -24,7 +24,7 @@ namespace arm {
 void SplitCompute::Run() {
   auto& param = Param<operators::SplitParam>();
   const float* din = param.x->data<float>();
-  auto* dout = param.output;
+  auto& dout = param.output;
   auto in_dim = param.x->dims();
   std::vector<int> in_strides(in_dim.size());
   in_strides[in_dim.size() - 1] = in_dim[in_dim.size() - 1];

paddle/fluid/lite/kernels/arm/split_compute_test.cc

@@ -24,20 +24,10 @@ namespace kernels {
 namespace arm {
 
 void splite_resize_out(const lite::Tensor* din,
-                       std::vector<lite::Tensor*>* dout, int axis, int num,
-                       const std::vector<int>& sections) {
-  for (auto out : *dout) delete out;
-  dout->clear();
+                       const std::vector<lite::Tensor*>& dout, int axis,
+                       int num, const std::vector<int>& sections) {
   auto in_dims = din->dims();
-  int outs_number;
-  if (num > 0) {
-    outs_number = num;
-  } else {
-    outs_number = sections.size();
-  }
-  for (int i = 0; i < outs_number; i++) {
-    dout->push_back(new lite::Tensor);
-  }
+  int outs_number = dout.size();
 
   std::vector<lite::DDimLite> outs_dims;
   outs_dims.reserve(outs_number);
@@ -58,7 +48,7 @@ void splite_resize_out(const lite::Tensor* din,
   }
 
   for (int j = 0; j < outs_dims.size(); ++j) {
-    (*dout)[j]->Resize(outs_dims[j]);
+    dout[j]->Resize(outs_dims[j]);
   }
 }
 
@@ -75,7 +65,7 @@ void split_compute_ref(const operators::SplitParam& param) {
   }
 
   int input_offset = 0;
-  for (auto out : *dout) {
+  for (auto out : dout) {
     auto out_dim = out->dims();
     std::vector<int> out_strides(out_dim.size());
     out_strides[out_dim.size() - 1] = out_dim[out_dim.size() - 1];
@@ -128,16 +118,31 @@ TEST(split_arm, compute) {
                 for (int i = 0; i < x.dims().production(); i++) {
                   x_data[i] = i;
                 }
-                splite_resize_out(&x, &output, axis, num, sections);
-                splite_resize_out(&x, &output_ref, axis, num, sections);
+                for (auto out : output) delete out;
+                for (auto out : output_ref) delete out;
+                output.clear();
+                output_ref.clear();
+
+                int outs_number;
+                if (num > 0) {
+                  outs_number = num;
+                } else {
+                  outs_number = sections.size();
+                }
+                for (int i = 0; i < outs_number; i++) {
+                  output.push_back(new lite::Tensor);
+                  output_ref.push_back(new lite::Tensor);
+                }
+                splite_resize_out(&x, output, axis, num, sections);
+                splite_resize_out(&x, output_ref, axis, num, sections);
                 param.x = &x;
                 param.axis = axis;
                 param.num = num;
-                param.sections = &sections;
-                param.output = &output;
+                param.sections = sections;
+                param.output = output;
                 split.SetParam(param);
                 split.Run();
-                param.output = &output_ref;
+                param.output = output_ref;
                 split_compute_ref<float>(param);
                 for (int i = 0; i < output.size(); i++) {
                   float* output_data = output[i]->mutable_data<float>();

paddle/fluid/lite/operators/op_params.h

@@ -178,10 +178,10 @@ struct DropoutParam {
 // For Split op
 struct SplitParam {
   lite::Tensor* x{};
-  std::vector<lite::Tensor*>* output{};
+  std::vector<lite::Tensor*> output{};
   int axis{-1};
   int num{0};
-  std::vector<int>* sections;
+  std::vector<int> sections;
 };
 
 /// ----------------------- element wise operators ----------------------

paddle/fluid/lite/operators/split_op.cc

@@ -21,7 +21,7 @@ namespace operators {
 
 bool SplitOp::CheckShape() const {
   CHECK_OR_FALSE(param_.x);
-  CHECK_OR_FALSE(param_.output);
+  CHECK_GT_OR_FALSE(param_.output.size(), 1UL);
   auto x_dims = param_.x->dims();
   auto x_rank = x_dims.size();
   CHECK_OR_FALSE(param_.axis >= -static_cast<int>(x_rank) &&
@@ -31,7 +31,7 @@ bool SplitOp::CheckShape() const {
 
 bool SplitOp::InferShape() const {
   const auto &outs = param_.output;
-  auto in_dims = param_.x.dims();
+  auto in_dims = param_.x->dims();
   int axis = param_.axis;
   int num = param_.num;
   const auto &sections = param_.sections;
@@ -68,7 +68,7 @@ bool SplitOp::AttachImpl(const cpp::OpDesc &opdesc, lite::Scope *scope) {
   param_.sections = opdesc.GetAttr<std::vector<int>>("sections");
   param_.x = const_cast<lite::Tensor *>(
       &scope->FindVar(opdesc.Input("X").front())->Get<lite::Tensor>());
-  auto outs = op_desc.Output("Out");
+  auto outs = opdesc.Output("Out");
   for (auto var : outs) {
     param_.output.push_back(scope->FindVar(var)->GetMutable<lite::Tensor>());
   }
@@ -79,4 +79,4 @@ bool SplitOp::AttachImpl(const cpp::OpDesc &opdesc, lite::Scope *scope) {
 }  // namespace lite
 }  // namespace paddle
 
-REGISTER_LITE_OP(softmax, paddle::lite::operators::SoftmaxOp);
+REGISTER_LITE_OP(split, paddle::lite::operators::SplitOp);

paddle/fluid/lite/operators/split_op.h

@@ -23,7 +23,7 @@ namespace paddle {
 namespace lite {
 namespace operators {
 
-class SoftmaxOp : public OpLite {
+class SplitOp : public OpLite {
  public:
   SplitOp() {}
   explicit SplitOp(const std::string &op_type) : OpLite(op_type) {}