Merge branch 'develop' into develop

src/operators/conv_transpose_op.cpp

+/* Copyright (c) 2018 PaddlePaddle Authors. All Rights Reserved.
+
+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. */
+
+#ifdef CONV_TRANSPOSE
+
+#include "operators/conv_transpose_op.h"
+
+namespace paddle_mobile {
+namespace operators {}
+}  // namespace paddle_mobile
+
+#endif

src/operators/conv_transpose_op.h

+/* Copyright (c) 2018 PaddlePaddle Authors. All Rights Reserved.
+
+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. */
+
+#ifdef CONV_TRANSPOSE
+
+#pragma once
+
+#include <string>
+#include <vector>
+
+#include "framework/operator.h"
+#include "operators/kernel/conv_transpose_kernel.h"
+
+namespace paddle_mobile {
+namespace operators {
+template <typename DeviceType, typename T>
+class ConvOpTranspose : public framework::OperatorWithKernel<
+                            DeviceType, ConvTransposeParam,
+                            operators::ConvTransposeKernel<DeviceType, T>> {
+ public:
+  ConvOpTranspose(const std::string &type, const VariableNameMap &inputs,
+                  const VariableNameMap &outputs,
+                  const framework::AttributeMap &attrs,
+                  std::shared_ptr<framework::Scope> scope)
+      : framework::OperatorWithKernel<
+            DeviceType, ConvTransposeParam,
+            operators::ConvTransposeKernel<DeviceType, T>>(
+            type, inputs, outputs, attrs, scope) {}
+
+  void InferShape() const {
+    auto input = this->param_.Input();
+    auto in_dims = input->dims();
+
+    auto filter = this->param_.Filter();
+    auto filter_dims = filter->dims();
+
+    std::vector<int> strides = this->param_.Strides();
+    std::vector<int> paddings = this->param_.Paddings();
+    std::vector<int> dilations = this->param_.Dilations();
+
+    int groups = this->param_.Groups();
+
+    PADDLE_MOBILE_ENFORCE(
+        in_dims.size() == 4 || in_dims.size() == 5,
+        "ConvTransposeOp intput should be 4-D or 5-D tensor.");
+    PADDLE_MOBILE_ENFORCE(
+        in_dims.size() == filter_dims.size(),
+        "ConvTransposeOp input dimension and filter dimension "
+        "should be the same.");
+    PADDLE_MOBILE_ENFORCE(
+        in_dims.size() - strides.size() == 2U,
+        "ConvTransposeOp input dimension and strides dimension should "
+        "be consistent.");
+    PADDLE_MOBILE_ENFORCE(paddings.size() == strides.size(),
+                          "ConvTransposeOp paddings dimension and strides "
+                          "dimension should be the same.");
+    PADDLE_MOBILE_ENFORCE(paddings.size() == dilations.size(),
+                          "ConvTransposeOp paddings dimension and dilations "
+                          "dimension should be the same.");
+    PADDLE_MOBILE_ENFORCE(
+        in_dims[1] == filter_dims[0],
+        "In ConvTransposeOp, The number of input channels should "
+        "be equal to the number of filter's channels.");
+
+    std::vector<int64_t> output_shape({in_dims[0], filter_dims[1] * groups});
+    for (size_t i = 0; i < strides.size(); ++i) {
+      auto filter_extent = dilations[i] * (filter_dims[i + 2] - 1) + 1;
+      output_shape.push_back((in_dims[i + 2] - 1) * strides[i] -
+                             2 * paddings[i] + filter_extent);
+    }
+    this->param_.Output()->Resize(framework::make_ddim(output_shape));
+  }
+
+ private:
+};
+
+}  // namespace operators
+}  // namespace paddle_mobile
+
+#endif

src/operators/kernel/arm/conv_transpose_kernel.cpp

+/* Copyright (c) 2018 PaddlePaddle Authors. All Rights Reserved.
+
+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. */
+
+#ifdef CONV_TRANSPOSE
+
+#include "operators/kernel/conv_transpose_kernel.h"
+#include "operators/kernel/central-arm-func/conv_transpose_arm_func.h"
+
+namespace paddle_mobile {
+namespace operators {
+
+template <>
+bool ConvTransposeKernel<CPU, float>::Init(ConvTransposeParam *param) {
+  return true;
+}
+
+template <>
+void ConvTransposeKernel<CPU, float>::Compute(
+    const ConvTransposeParam &param) const {
+  ConvTransposeCompute<float>(param);
+}
+
+template class ConvTransposeKernel<CPU, float>;
+
+}  // namespace operators
+}  // namespace paddle_mobile
+
+#endif

src/operators/kernel/central-arm-func/conv_transpose_arm_func.h

+/* Copyright (c) 2018 PaddlePaddle Authors. All Rights Reserved.
+
+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. */
+
+#ifdef CONV_TRANSPOSE
+
+#include <vector>
+
+#include "framework/ddim.h"
+#include "operators/math/im2col.h"
+#include "operators/math/math_function.h"
+#include "operators/math/vol2col.h"
+#include "operators/op_param.h"
+
+#pragma once
+
+namespace paddle_mobile {
+namespace operators {
+
+template <typename P>
+void ConvTransposeCompute(const ConvTransposeParam &param) {
+  const Tensor *input = param.Input();
+  Tensor filter = *param.Filter();
+  Tensor *output = param.Output();
+
+  auto strides = param.Strides();
+  auto paddings = param.Paddings();
+  auto dilations = param.Dilations();
+  auto groups = param.Groups();
+
+  const int batch_size = input->dims()[0];
+
+  std::vector<int64_t> input_shape_vec = framework::vectorize(input->dims());
+  std::vector<int64_t> filter_shape_vec = framework::vectorize(filter.dims());
+
+  size_t data_dim = filter_shape_vec.size() - 2;
+
+  // 5 或者 7
+  std::vector<int64_t> col_shape_vec(1 + 2 * data_dim);
+
+  // output c / groups
+  col_shape_vec[0] = output->dims()[1] / groups;
+  for (size_t i = 0; i < data_dim; ++i) {
+    // filter shape  filter h  filter w
+    col_shape_vec[i + 1] = filter_shape_vec[i + 2];
+    // input shape  input h  input w
+    col_shape_vec[i + 1 + data_dim] = input_shape_vec[i + 2];
+  }
+
+  framework::DDim col_shape(framework::make_ddim(col_shape_vec));
+  framework::DDim col_matrix_shape =
+      framework::flatten_to_2d(col_shape, data_dim + 1);
+
+  Tensor col;
+  col.mutable_data<P>(col_shape);
+
+  Tensor col_matrix;
+  col_matrix.ShareDataWith(col);
+  col_matrix.Resize(col_matrix_shape);
+
+  framework::DDim output_shape =
+      framework::slice_ddim(output->dims(), 1, output->dims().size());
+
+  framework::DDim input_matrix_shape = {input->dims()[1], col_matrix_shape[1]};
+
+  // filter size: (m, c/g * k_h * k_w) or (m, c/g * k_d * k_h * k_w)
+  framework::DDim filter_matrix_shape = {input->dims()[1], col_matrix_shape[0]};
+  filter.Resize(filter_matrix_shape);
+
+  output->mutable_data<P>();
+
+  int in_step = static_cast<int>(input->dims()[1]) / groups;
+  int out_step = static_cast<int>(output->dims()[1]) / groups;
+
+  math::Col2ImFunctor<math::ColFormat::kCFO, CPU, P> col2im;
+  math::Col2VolFunctor<CPU, P> col2vol;
+
+  for (int i = 0; i < batch_size; ++i) {
+    Tensor input_batch = input->Slice(i, i + 1).Resize(input_matrix_shape);
+    Tensor output_batch = output->Slice(i, i + 1).Resize(output_shape);
+
+    for (int g = 0; g < groups; ++g) {
+      Tensor in_slice = input_batch.Slice(g * in_step, (g + 1) * in_step);
+      Tensor filter_slice = filter.Slice(g * in_step, (g + 1) * in_step);
+      Tensor out_slice = output_batch.Slice(g * out_step, (g + 1) * out_step);
+
+      math::matmul(filter_slice, true, in_slice, false, static_cast<P>(1.0),
+                   &col_matrix, static_cast<P>(0.0));
+      if (data_dim == 2U) {
+        col2im(col, dilations, strides,
+               std::vector<int>{paddings[0], paddings[1], paddings[0],
+                                paddings[1]},
+               &out_slice);
+
+      } else if (data_dim == 3U) {
+        col2vol(col, dilations, strides, paddings, &out_slice);
+      }
+    }
+  }
+}
+
+}  // namespace operators
+}  // namespace paddle_mobile
+#endif

src/operators/kernel/conv_transpose_kernel.h

+/* Copyright (c) 2018 PaddlePaddle Authors. All Rights Reserved.
+
+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. */
+
+#ifdef CONV_TRANSPOSE
+
+#pragma once
+
+#include "framework/operator.h"
+#include "operators/op_param.h"
+
+namespace paddle_mobile {
+namespace operators {
+
+using framework::OpKernelBase;
+
+template <typename DeviceType, typename T>
+class ConvTransposeKernel
+    : public OpKernelBase<DeviceType, ConvTransposeParam> {
+ public:
+  void Compute(const ConvTransposeParam &param) const;
+
+  bool Init(ConvTransposeParam *param);
+};
+
+}  // namespace operators
+}  // namespace paddle_mobile
+
+#endif  // PADDLE_MOBILE_DE_CONV_KERNEL_H

src/operators/op_param.h

@@ -1419,5 +1419,45 @@ class DropoutParam : public OpParam {
 };
 #endif
 
+#ifdef CONV_TRANSPOSE
+class ConvTransposeParam : public OpParam {
+ public:
+  ConvTransposeParam(const VariableNameMap &inputs,
+                     const VariableNameMap &outputs, const AttributeMap &attrs,
+                     const Scope &scope) {
+    filter_ = FilterFrom<LoDTensor>(inputs, scope);
+    input_ = InputFrom<LoDTensor>(inputs, scope);
+    output_ = OutputFrom<LoDTensor>(outputs, scope);
+    strides_ = GetAttr<vector<int>>("strides", attrs);
+    paddings_ = GetAttr<vector<int>>("paddings", attrs);
+    dilations_ = GetAttr<vector<int>>("dilations", attrs);
+    groups = GetAttr<int>("groups", attrs);
+  }
+
+  const Tensor *Input() const { return input_; }
+
+  const Tensor *Filter() const { return filter_; }
+
+  Tensor *Output() const { return output_; }
+
+  const vector<int> &Strides() const { return strides_; }
+
+  const vector<int> &Paddings() const { return paddings_; }
+
+  const vector<int> &Dilations() const { return dilations_; }
+
+  const int &Groups() const { return groups; }
+
+ private:
+  Tensor *input_;
+  Tensor *output_;
+  Tensor *filter_;
+  vector<int> strides_;
+  vector<int> paddings_;
+  vector<int> dilations_;
+  int groups;
+};
+#endif
+
 }  // namespace operators
 }  // namespace paddle_mobile

tools/op.cmake

@@ -90,6 +90,7 @@ endif()
 if(NOT FOUND_MATCH)
   message("--default--")
   set(BATCHNORM_OP ON)
+  set(CONV_TRANSPOSE_OP ON)
   set(BOXCODER_OP ON)
   set(CONCAT_OP ON)
   set(CONV_OP ON)
@@ -243,3 +244,6 @@ if (REGION_OP)
   add_definitions(-DREGION_OP)
 endif()
 
+if (CONV_TRANSPOSE_OP)
+  add_definitions(-DCONV_TRANSPOSE)
+endif()