deconv projection/operator implementation

paddle/gserver/layers/ConvBaseOperator.cpp

+/* Copyright (c) 2016 PaddlePaddle Authors. All Rights Reserve.
+
+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. */
+
+#include "ConvBaseOperator.h"
+#include "paddle/math/MathUtils.h"
+#include "paddle/math/Matrix.h"
+
+namespace paddle {
+
+/**
+ * @brief ConvBaseOperator takes two inputs to perform the convolution.
+ * The first input is the image, and the second input is the convolution kernel.
+ * The height of data for two inputs are the same. Each data of the first input
+ * is convolved with each data of the second input indepedently.
+ *
+ * The config file api is conv_operator.
+ */
+
+ConvBaseOperator::ConvBaseOperator(const OperatorConfig &config, bool useGpu)
+    : Operator(config, useGpu) {
+  CHECK(useGpu);
+  CHECK_EQ(config_.input_indices_size(), 2L);
+
+  caffeMode_ = true;
+  getConvParams();
+  computeConvSizes();
+
+  // initialize all to default algorithms
+  fwdAlgo_ = 0;
+  bwdFilterAlgo_ = 0;
+  bwdDataAlgo_ = 0;
+  fwdLimitBytes_ = 0;
+  bwdDataLimitBytes_ = 0;
+  bwdFilterLimitBytes_ = 0;
+  workSpaceInBytes_ = 0;
+  workSpace_ = nullptr;
+
+  isSelectAlgo_ = false;
+}
+
+void ConvBaseOperator::allocConvWorkSpace(size_t maxWorkSpace) {
+  if (maxWorkSpace > workSpaceInBytes_) {
+    if (workSpaceInBytes_ != 0) {
+      hl_free_mem_device(workSpace_);
+    }
+    // total amount of storage needed
+    workSpace_ = hl_malloc_device(maxWorkSpace);
+    workSpaceInBytes_ = maxWorkSpace;
+  }
+}
+
+void ConvBaseOperator::reshape(int batchSize) {
+  if (isDeconv_) {
+    outputH_ = ins_[0]->getFrameHeight();
+    outputW_ = ins_[0]->getFrameWidth();
+    if (outputH_ == 0) outputH_ = outputY_;
+    if (outputW_ == 0) outputW_ = outputX_;
+    imageH_ =
+        imageSize(outputH_, filterSizeY_, paddingY_, strideY_, caffeMode_);
+    imageW_ = imageSize(outputW_, filterSize_, padding_, stride_, caffeMode_);
+    /// Check that the imageSizes are consistent with config
+    CHECK_EQ(imageH_, imgSizeY_);
+    CHECK_EQ(imageW_, imgSize_);
+    out_->setFrameHeight(imageH_);
+    out_->setFrameWidth(imageW_);
+  } else {
+    imageH_ = ins_[0]->getFrameHeight();
+    imageW_ = ins_[0]->getFrameWidth();
+    if (imageH_ == 0) imageH_ = imgSizeY_;
+    if (imageW_ == 0) imageW_ = imgSize_;
+    outputH_ =
+        outputSize(imageH_, filterSizeY_, paddingY_, strideY_, caffeMode_);
+    outputW_ = outputSize(imageW_, filterSize_, padding_, stride_, caffeMode_);
+    /// Check that the outputSizes are consistent with config
+    CHECK_EQ(outputH_, outputY_);
+    CHECK_EQ(outputW_, outputX_);
+    out_->setFrameHeight(outputH_);
+    out_->setFrameWidth(outputW_);
+  }
+
+  reshapeImageDescriptors();
+
+  if (!isSelectAlgo_) {
+    hl_conv_workspace(imageDesc_,
+                      outputDesc_,
+                      filterDesc_,
+                      convDesc_,
+                      &fwdAlgo_,
+                      &fwdLimitBytes_,
+                      &bwdDataAlgo_,
+                      &bwdDataLimitBytes_,
+                      &bwdFilterAlgo_,
+                      &bwdFilterLimitBytes_);
+
+    size_t maxWorkSpace = 0;
+    maxWorkSpace = std::max(fwdLimitBytes_, bwdDataLimitBytes_);
+    maxWorkSpace = std::max(maxWorkSpace, bwdFilterLimitBytes_);
+
+    allocConvWorkSpace(maxWorkSpace);
+  }
+
+  isSelectAlgo_ = true;
+}
+
+void ConvBaseOperator::computeConvSizes() {
+  hl_create_filter_descriptor(
+      &filterDesc_, channels_, numFilters_, filterSizeY_, filterSize_);
+  hl_create_tensor_descriptor(&imageDesc_);
+  hl_create_tensor_descriptor(&outputDesc_);
+  hl_create_convolution_descriptor(&convDesc_,
+                                   imageDesc_,
+                                   filterDesc_,
+                                   paddingY_,
+                                   padding_,
+                                   strideY_,
+                                   stride_);
+}
+
+void ConvBaseOperator::reshapeImageDescriptors() {
+  hl_tensor_reshape(imageDesc_,
+                    1,
+                    channels_,
+                    imageH_,
+                    imageW_,
+                    channels_ * imageH_ * imageW_,
+                    imageH_ * imageW_,
+                    imageW_,
+                    1);
+  hl_tensor_reshape(outputDesc_,
+                    1,
+                    numFilters_,
+                    outputH_,
+                    outputW_,
+                    numFilters_ * outputH_ * outputW_,
+                    outputH_ * outputW_,
+                    outputW_,
+                    1);
+  hl_reset_convolution_descriptor(convDesc_,
+                                  imageDesc_,
+                                  filterDesc_,
+                                  paddingY_,
+                                  padding_,
+                                  strideY_,
+                                  stride_);
+
+  if (isDeconv_) {
+    inputOffset_ = numFilters_ * outputH_ * outputW_;
+    outputOffset_ = channels_ * imageH_ * imageW_;
+  } else {
+    inputOffset_ = channels_ * imageH_ * imageW_;
+    outputOffset_ = numFilters_ * outputH_ * outputW_;
+  }
+  weightOffset_ = numFilters_ * channels_ * filterSize_ * filterSizeY_;
+}
+
+void ConvBaseOperator::getConvParams() {
+  configNumFilters_ = config_.num_filters();
+  const ConvConfig &conf = config_.conv_conf();
+  padding_ = conf.padding();
+  stride_ = conf.stride();
+  filterSize_ = conf.filter_size();
+  paddingY_ = conf.padding_y();
+  strideY_ = conf.stride_y();
+  filterSizeY_ = conf.filter_size_y();
+  filterPixels_ = filterSize_ * filterSizeY_;
+  configChannels_ = conf.channels();
+  imgSize_ = conf.img_size();
+  imgSizeY_ = conf.has_img_size_y() ? conf.img_size_y() : conf.img_size();
+  imgPixels_ = imgSize_ * imgSizeY_;
+  CHECK_EQ(conf.groups(), 1U);
+  filterChannels_ = conf.filter_channels();
+  outputX_ = conf.output_x();
+  outputY_ = conf.has_output_y() ? conf.output_y() : conf.output_x();
+  outputs_ = outputX_ * outputX_;
+
+  isDeconv_ = (config_.type() == "conv") ? false : true;
+  if (isDeconv_) {
+    channels_ = configNumFilters_;
+    numFilters_ = configChannels_;
+  } else {
+    channels_ = configChannels_;
+    numFilters_ = configNumFilters_;
+  }
+}
+
+}  // namespace paddle

paddle/gserver/layers/ConvBaseOperator.h

+/* Copyright (c) 2016 PaddlePaddle Authors. All Rights Reserve.
+
+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. */
+
+#include "Operator.h"
+#include "paddle/math/MathUtils.h"
+#include "paddle/math/Matrix.h"
+
+namespace paddle {
+
+/**
+ * @brief ConvOperator takes two inputs to perform the convolution.
+ * The first input is the image, and the second input is the convolution kernel.
+ * The height of data for two inputs are the same. Each data of the first input
+ * is convolved with each data of the second input indepedently.
+ *
+ * The config file api is conv_operator.
+ */
+
+class ConvBaseOperator : public Operator {
+public:
+  ConvBaseOperator(const OperatorConfig &config, bool useGpu);
+  /**
+   * Free workspace in device and destroy cudnn tensor descriptor.
+   */
+  virtual ~ConvBaseOperator() {
+    if (workSpaceInBytes_ != 0) {
+      hl_free_mem_device(workSpace_);
+      workSpaceInBytes_ = 0;
+    }
+
+    hl_destroy_tensor_descriptor(imageDesc_);
+    hl_destroy_tensor_descriptor(outputDesc_);
+    hl_destroy_filter_descriptor(filterDesc_);
+    hl_destroy_convolution_descriptor(convDesc_);
+  }
+  virtual void forward();
+  virtual void backward();
+
+private:
+  /**
+   * Get convolution parameters from layer config and
+   * initialize member variables.
+   */
+  void getConvParams();
+
+  /**
+   * Allocate Gpu Memory for cudnn convolution algorithms.
+   */
+  void allocConvWorkSpace(size_t maxWorkSpace);
+
+  /**
+   * Create cudnn tensor descriptor for convolution operation.
+   */
+  void computeConvSizes();
+
+  /**
+   * Reshape cudnn tensor descriptor.
+   */
+  void reshapeImageDescriptors();
+
+  /**
+   * Reshape cudnn tensor descriptor.
+   */
+  void reshape(int batchSize);
+
+  /**
+   * Check filter size is equal to the size calculated by parameters from
+   * layer config.
+   */
+  void checkFilterSize(const MatrixPtr &filter) {
+    CHECK_EQ(static_cast<int>(filter->getWidth()),
+             filterSize_ * filterSizeY_ * channels_ * numFilters_);
+  }
+
+  /// Most of member variables are same with CudnnConvLayer.
+  /// There is no explanation here.
+  bool isDeconv_;
+  int imageH_, imageW_, outputH_, outputW_;
+  hl_tensor_descriptor imageDesc_;
+  hl_tensor_descriptor outputDesc_;
+  hl_filter_descriptor filterDesc_;
+  hl_convolution_descriptor convDesc_;
+  bool caffeMode_;
+  int inputOffset_, outputOffset_, weightOffset_;
+  int numFilters_, channels_;
+
+  /// from parsing config
+  int configNumFilters_, configChannels_;
+  int padding_, stride_, filterSize_, imgSize_, imgSizeY_;
+  int paddingY_, strideY_, filterSizeY_;
+  int imgPixels_, filterPixels_, filterChannels_, outputX_, outputY_, outputs_;
+
+  /// Following member variables are same with CudnnConvLayer.
+  /// There is no explanation here.
+  int fwdAlgo_, bwdFilterAlgo_, bwdDataAlgo_;
+  size_t fwdLimitBytes_, bwdDataLimitBytes_, bwdFilterLimitBytes_;
+  size_t workSpaceInBytes_;
+  void *workSpace_;
+  bool isSelectAlgo_;
+};
+
+}  // namespace paddle

paddle/gserver/layers/ConvBaseProjection.cpp

@@ -93,45 +93,48 @@ void ConvBaseProjection::initCudnn() {
 }
 
 void ConvBaseProjection::reshapeTensorDesc(int batchSize) {
+  // The stride between two consecutive samples in the output of ConvProjection
+  // may not be numFilters_ * outputH_ * outputW_ (conv) or
+  // channels_ * imageH_ * imageW_ (deconv)
+  // for example, in the case of layer ConcatenateLayer2 with two
+  // ConvProjection, the stride is the output_size of layer ConcatenateLayer2.
+  // So the calculation of nStride is different from CudnnConvLayer.
+  size_t nStrideImage, nStrideOutput;
+  if (isDeconv_) {
+    nStrideImage = out_->value->getStride();
+    nStrideOutput = numFilters_ * outputH_ * outputW_;
+  } else {
+    nStrideImage = channels_ * imageH_ * imageW_;
+    nStrideOutput = out_->value->getStride();
+  }
+
   hl_tensor_reshape(imageDesc_,
                     batchSize,
                     channels_ / groups_,
                     imageH_,
                     imageW_,
-                    channels_ * imageH_ * imageW_,
+                    nStrideImage,
                     imageH_ * imageW_,
                     imageW_,
                     1);
-  hl_reset_convolution_descriptor(convDesc_,
-                                  imageDesc_,
-                                  filterDesc_,
-                                  paddingH_,
-                                  paddingW_,
-                                  strideH_,
-                                  strideW_);
-
-  // The stride between two consecutive images in ConvProjection may not be 1,
-  // for example, in the case of layer ConcatenateLayer2 with two
-  // ConvProjection, the stride is the output_size of layer ConcatenateLayer2.
-  // So the calculation of nStride is different from CudnnConvLayer.
-  // In fact, only "nStride = out_->value->getStride()" is ok.
-  //  size_t nStride = numFilters_ * outputH_ * outputW_;
-  //  if (out_->value->isContiguous()) {
-  //    CHECK_EQ(nStride, out_->value->getWidth());
-  //  } else {
-  //    nStride = out_->value->getStride();
-  //  }
-  size_t nStride = out_->value->getStride();
 
   hl_tensor_reshape(outputDesc_,
                     batchSize,
                     numFilters_ / groups_,
                     outputH_,
                     outputW_,
-                    nStride,
+                    nStrideOutput,
                     outputH_ * outputW_,
                     outputW_,
                     1);
+
+  hl_reset_convolution_descriptor(convDesc_,
+                                  imageDesc_,
+                                  filterDesc_,
+                                  paddingH_,
+                                  paddingW_,
+                                  strideH_,
+                                  strideW_);
 }
 
 void ConvBaseProjection::reshape(int batchSize) {

paddle/gserver/layers/ConvOperator.cpp

@@ -12,7 +12,7 @@ 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. */
 
-#include "Operator.h"
+#include "ConvOperator.h"
 #include "paddle/math/MathUtils.h"
 #include "paddle/math/Matrix.h"
 
@@ -27,227 +27,8 @@ namespace paddle {
  * The config file api is conv_operator.
  */
 
-class ConvOperator : public Operator {
-public:
-  ConvOperator(const OperatorConfig &config, bool useGpu);
-  /**
-   * Free workspace in device and destroy cudnn tensor descriptor.
-   */
-  virtual ~ConvOperator() {
-    if (workSpaceInBytes_ != 0) {
-      hl_free_mem_device(workSpace_);
-      workSpaceInBytes_ = 0;
-    }
-
-    hl_destroy_tensor_descriptor(inputDesc_);
-    hl_destroy_tensor_descriptor(outputDesc_);
-    hl_destroy_filter_descriptor(filterDesc_);
-    hl_destroy_convolution_descriptor(convDesc_);
-  }
-  virtual void forward();
-  virtual void backward();
-
-private:
-  /**
-   * Get convolution parameters from layer config and
-   * initialize member variables.
-   */
-  void getConvParams();
-
-  /**
-   * Allocate Gpu Memory for cudnn convolution algorithms.
-   */
-  void allocConvWorkSpace(size_t maxWorkSpace);
-
-  /**
-   * Create cudnn tensor descriptor for convolution operation.
-   */
-  void computeConvSizes();
-
-  /**
-   * Reshape cudnn tensor descriptor.
-   */
-  void reshapeImageDescriptors();
-
-  /**
-   * Reshape cudnn tensor descriptor.
-   */
-  void reshape(int batchSize);
-
-  /**
-   * Check filter size is equal to the size calculated by parameters from
-   * layer config.
-   */
-  void checkFilterSize(const MatrixPtr &filter) {
-    CHECK_EQ(static_cast<int>(filter->getWidth()),
-             filterSize_ * filterSizeY_ * channels_ * numFilters_);
-  }
-
-  /// Most of member variables are same with CudnnConvLayer.
-  /// There is no explanation here.
-  int imageH_, imageW_, outputH_, outputW_;
-  hl_tensor_descriptor inputDesc_;
-  hl_tensor_descriptor outputDesc_;
-  hl_filter_descriptor filterDesc_;
-  hl_convolution_descriptor convDesc_;
-  bool caffeMode_;
-  int inputOffset_, outputOffset_, weightOffset_;
-  int numFilters_;
-  int padding_, stride_, filterSize_, channels_, imgSize_, imgSizeY_;
-  int paddingY_, strideY_, filterSizeY_;
-  int imgPixels_, filterPixels_, filterChannels_, outputX_, outputY_, outputs_;
-
-  /// Following member variables are same with CudnnConvLayer.
-  /// There is no explanation here.
-  int fwdAlgo_, bwdFilterAlgo_, bwdDataAlgo_;
-  size_t fwdLimitBytes_, bwdDataLimitBytes_, bwdFilterLimitBytes_;
-  size_t workSpaceInBytes_;
-  void *workSpace_;
-  bool isSelectAlgo_;
-};
-
 REGISTER_OPERATOR(conv, ConvOperator);
 
-ConvOperator::ConvOperator(const OperatorConfig &config, bool useGpu)
-    : Operator(config, useGpu) {
-  CHECK(useGpu);
-  CHECK_EQ(config_.input_indices_size(), 2L);
-
-  caffeMode_ = true;
-  getConvParams();
-  computeConvSizes();
-
-  // initialize all to default algorithms
-  fwdAlgo_ = 0;
-  bwdFilterAlgo_ = 0;
-  bwdDataAlgo_ = 0;
-  fwdLimitBytes_ = 0;
-  bwdDataLimitBytes_ = 0;
-  bwdFilterLimitBytes_ = 0;
-  workSpaceInBytes_ = 0;
-  workSpace_ = nullptr;
-
-  isSelectAlgo_ = false;
-}
-
-void ConvOperator::allocConvWorkSpace(size_t maxWorkSpace) {
-  if (maxWorkSpace > workSpaceInBytes_) {
-    if (workSpaceInBytes_ != 0) {
-      hl_free_mem_device(workSpace_);
-    }
-    // total amount of storage needed
-    workSpace_ = hl_malloc_device(maxWorkSpace);
-    workSpaceInBytes_ = maxWorkSpace;
-  }
-}
-
-void ConvOperator::reshape(int batchSize) {
-  imageH_ = ins_[0]->getFrameHeight();
-  imageW_ = ins_[0]->getFrameWidth();
-  if (imageH_ == 0) imageH_ = imgSizeY_;
-  if (imageW_ == 0) imageW_ = imgSize_;
-  outputH_ = outputSize(imageH_, filterSizeY_, paddingY_, strideY_, caffeMode_);
-  outputW_ = outputSize(imageW_, filterSize_, padding_, stride_, caffeMode_);
-
-  out_->setFrameHeight(outputH_);
-  out_->setFrameWidth(outputW_);
-
-  reshapeImageDescriptors();
-
-  if (!isSelectAlgo_) {
-    hl_conv_workspace(inputDesc_,
-                      outputDesc_,
-                      filterDesc_,
-                      convDesc_,
-                      &fwdAlgo_,
-                      &fwdLimitBytes_,
-                      &bwdDataAlgo_,
-                      &bwdDataLimitBytes_,
-                      &bwdFilterAlgo_,
-                      &bwdFilterLimitBytes_);
-
-    size_t maxWorkSpace = 0;
-    maxWorkSpace = std::max(fwdLimitBytes_, bwdDataLimitBytes_);
-    maxWorkSpace = std::max(maxWorkSpace, bwdFilterLimitBytes_);
-
-    allocConvWorkSpace(maxWorkSpace);
-  }
-
-  isSelectAlgo_ = true;
-}
-
-void ConvOperator::computeConvSizes() {
-  hl_create_filter_descriptor(
-      &filterDesc_, channels_, numFilters_, filterSizeY_, filterSize_);
-  hl_create_tensor_descriptor(&inputDesc_);
-  int outputX =
-      outputSize(imgSize_, filterSize_, padding_, stride_, caffeMode_);
-  int outputY =
-      outputSize(imgSizeY_, filterSizeY_, paddingY_, strideY_, caffeMode_);
-  CHECK_EQ(outputX, outputX_);
-  CHECK_EQ(outputY, outputY_);
-  hl_create_tensor_descriptor(&outputDesc_);
-  hl_create_convolution_descriptor(&convDesc_,
-                                   inputDesc_,
-                                   filterDesc_,
-                                   paddingY_,
-                                   padding_,
-                                   strideY_,
-                                   stride_);
-}
-
-void ConvOperator::reshapeImageDescriptors() {
-  hl_tensor_reshape(inputDesc_,
-                    1,
-                    channels_,
-                    imageH_,
-                    imageW_,
-                    channels_ * imageH_ * imageW_,
-                    imageH_ * imageW_,
-                    imageW_,
-                    1);
-  hl_tensor_reshape(outputDesc_,
-                    1,
-                    numFilters_,
-                    outputH_,
-                    outputW_,
-                    numFilters_ * outputH_ * outputW_,
-                    outputH_ * outputW_,
-                    outputW_,
-                    1);
-  hl_reset_convolution_descriptor(convDesc_,
-                                  inputDesc_,
-                                  filterDesc_,
-                                  paddingY_,
-                                  padding_,
-                                  strideY_,
-                                  stride_);
-  inputOffset_ = channels_ * imageH_ * imageW_;
-  outputOffset_ = numFilters_ * outputH_ * outputW_;
-  weightOffset_ = numFilters_ * channels_ * filterSize_ * filterSize_;
-}
-
-void ConvOperator::getConvParams() {
-  numFilters_ = config_.num_filters();
-  const ConvConfig &conf = config_.conv_conf();
-  padding_ = conf.padding();
-  stride_ = conf.stride();
-  filterSize_ = conf.filter_size();
-  paddingY_ = conf.padding_y();
-  strideY_ = conf.stride_y();
-  filterSizeY_ = conf.filter_size_y();
-  filterPixels_ = filterSize_ * filterSizeY_;
-  channels_ = conf.channels();
-  imgSize_ = conf.img_size();
-  imgSizeY_ = conf.has_img_size_y() ? conf.img_size_y() : conf.img_size();
-  imgPixels_ = imgSize_ * imgSizeY_;
-  CHECK_EQ(conf.groups(), 1U);
-  filterChannels_ = conf.filter_channels();
-  outputX_ = conf.output_x();
-  outputY_ = conf.has_output_y() ? conf.output_y() : conf.output_x();
-  outputs_ = outputX_ * outputX_;
-}
-
 void ConvOperator::forward() {
   size_t batchSize = ins_[0]->value->getHeight();
   reshape(batchSize);
@@ -264,7 +45,7 @@ void ConvOperator::forward() {
       real *inputData = ins_[0]->value->getData() + inputOffset_ * batchId;
       real *wgtData = ins_[1]->value->getData() + weightOffset_ * batchId;
       real *outData = out_->value->getData() + outputOffset_ * batchId;
-      hl_convolution_forward(inputDesc_,
+      hl_convolution_forward(imageDesc_,
                              inputData,
                              outputDesc_,
                              outData,
@@ -287,7 +68,7 @@ void ConvOperator::backward() {
       if (ins_[1]->grad) {
         real *inputData = ins_[0]->value->getData() + inputOffset_ * batchId;
         real *weightGrad = ins_[1]->grad->getData() + weightOffset_ * batchId;
-        hl_convolution_backward_filter(inputDesc_,
+        hl_convolution_backward_filter(imageDesc_,
                                        inputData,
                                        outputDesc_,
                                        outGrad,
@@ -303,7 +84,7 @@ void ConvOperator::backward() {
       if (NULL != preGrad) {
         real *inputGrad = preGrad->getData() + inputOffset_ * batchId;
         real *wgtData = ins_[1]->value->getData() + weightOffset_ * batchId;
-        hl_convolution_backward_data(inputDesc_,
+        hl_convolution_backward_data(imageDesc_,
                                      inputGrad,
                                      outputDesc_,
                                      outGrad,

paddle/gserver/layers/ConvOperator.h

+/* Copyright (c) 2016 PaddlePaddle Authors. All Rights Reserve.
+
+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. */
+
+#include "ConvBaseOperator.h"
+#include "paddle/math/MathUtils.h"
+#include "paddle/math/Matrix.h"
+
+namespace paddle {
+
+/**
+ * @brief ConvOperator takes two inputs to perform the convolution.
+ * The first input is the image, and the second input is the convolution kernel.
+ * The height of data for two inputs are the same. Each data of the first input
+ * is convolved with each data of the second input indepedently.
+ *
+ * The config file api is conv_operator.
+ */
+
+class ConvOperator : public ConvBaseOperator {
+public:
+  ConvOperator(const OperatorConfig &config, bool useGpu)
+      : ConvBaseOperator(config, useGpu) {}
+  /**
+   * Free workspace in device and destroy cudnn tensor descriptor.
+   */
+  virtual ~ConvOperator() {}
+  virtual void forward();
+  virtual void backward();
+};
+
+}  // namespace paddle

paddle/gserver/layers/ConvTransOperator.cpp

+/* Copyright (c) 2016 PaddlePaddle Authors. All Rights Reserve.
+
+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. */
+
+#include "ConvTransOperator.h"
+#include "paddle/math/MathUtils.h"
+#include "paddle/math/Matrix.h"
+
+namespace paddle {
+
+/**
+ * @brief ConvTransOperator takes two inputs to perform the convolution.
+ * The first input is the image, and the second input is the convolution kernel.
+ * The height of data for two inputs are the same. Each data of the first input
+ * is convolved with each data of the second input indepedently.
+ *
+ * The config file api is conv_operator.
+ */
+
+REGISTER_OPERATOR(convt, ConvTransOperator);
+
+void ConvTransOperator::forward() {
+  size_t batchSize = ins_[0]->value->getHeight();
+  reshape(batchSize);
+  CHECK_EQ(ins_[1]->value->getHeight(), batchSize);
+  checkFilterSize(ins_[1]->value);
+  Matrix::resizeOrCreate(
+      out_->value, batchSize, imageH_ * imageW_ * channels_, false, useGpu_);
+  {
+    AsyncGpuBlock block;
+    for (size_t batchId = 0; batchId < batchSize; ++batchId) {
+      real *inputData = ins_[0]->value->getData() + inputOffset_ * batchId;
+      real *wgtData = ins_[1]->value->getData() + weightOffset_ * batchId;
+      real *outData = out_->value->getData() + outputOffset_ * batchId;
+      hl_convolution_backward_data(imageDesc_,
+                                   outData,
+                                   outputDesc_,
+                                   inputData,
+                                   filterDesc_,
+                                   wgtData,
+                                   convDesc_,
+                                   workSpace_,
+                                   workSpaceInBytes_,
+                                   bwdDataAlgo_);
+    }
+  }
+}
+
+void ConvTransOperator::backward() {
+  size_t batchSize = ins_[0]->value->getHeight();
+  {
+    AsyncGpuBlock block;
+    for (size_t batchId = 0; batchId < batchSize; ++batchId) {
+      real *outGrad = out_->grad->getData() + outputOffset_ * batchId;
+      if (ins_[1]->grad) {
+        real *inputData = ins_[0]->value->getData() + inputOffset_ * batchId;
+        real *weightGrad = ins_[1]->grad->getData() + weightOffset_ * batchId;
+        hl_convolution_backward_filter(imageDesc_,
+                                       outGrad,
+                                       outputDesc_,
+                                       inputData,
+                                       filterDesc_,
+                                       weightGrad,
+                                       convDesc_,
+                                       workSpace_,
+                                       workSpaceInBytes_,
+                                       bwdFilterAlgo_);
+      }
+
+      MatrixPtr preGrad = ins_[0]->grad;
+      if (NULL != preGrad) {
+        real *inputGrad = preGrad->getData() + inputOffset_ * batchId;
+        real *wgtData = ins_[1]->value->getData() + weightOffset_ * batchId;
+        hl_convolution_forward(imageDesc_,
+                               outGrad,
+                               outputDesc_,
+                               inputGrad,
+                               filterDesc_,
+                               wgtData,
+                               convDesc_,
+                               workSpace_,
+                               workSpaceInBytes_,
+                               fwdAlgo_);
+      }
+    }
+  }
+}
+
+}  // namespace paddle

paddle/gserver/layers/ConvTransOperator.h

+/* Copyright (c) 2016 PaddlePaddle Authors. All Rights Reserve.
+
+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. */
+
+#include "ConvBaseOperator.h"
+#include "paddle/math/MathUtils.h"
+#include "paddle/math/Matrix.h"
+
+namespace paddle {
+
+/**
+ * @brief ConvTransOperator takes two inputs to perform the convolution.
+ * The first input is the image, and the second input is the convolution kernel.
+ * The height of data for two inputs are the same. Each data of the first input
+ * is convolved with each data of the second input indepedently.
+ *
+ * The config file api is conv_operator.
+ */
+
+class ConvTransOperator : public ConvBaseOperator {
+public:
+  ConvTransOperator(const OperatorConfig &config, bool useGpu)
+      : ConvBaseOperator(config, useGpu) {}
+  /**
+   * Free workspace in device and destroy cudnn tensor descriptor.
+   */
+  virtual ~ConvTransOperator() {}
+  virtual void forward();
+  virtual void backward();
+};
+
+}  // namespace paddle

paddle/gserver/tests/test_ConvUnify.cpp

@@ -45,22 +45,35 @@ MatrixPtr doOneConvTest(size_t imgSize,
                         size_t groups,
                         MatrixPtr& inputData,
                         real* param,
-                        bool useGpu) {
+                        bool useGpu,
+                        bool isDeconv = false) {
   TestConfig config;
   config.biasSize = numfilters;
+  string layerType;
   if (useGpu) {
-    config.layerConfig.set_type("cudnn_conv");
+    layerType = (isDeconv) ? "cudnn_convt" : "cudnn_conv";
   } else {
-    config.layerConfig.set_type("exconv");
+    layerType = (isDeconv) ? "exconvt" : "exconv";
   }
+  config.layerConfig.set_type(layerType);
   config.layerConfig.set_num_filters(numfilters);
   config.layerConfig.set_partial_sum(1);
   config.layerConfig.set_shared_biases(true);
 
   size_t weightSize = channel * filter_size * filter_size *
                       config.layerConfig.num_filters() / groups;
-  config.inputDefs.push_back(
-      {INPUT_DATA, "layer_0", imgSize * imgSize * channel, weightSize});
+  if (isDeconv) {
+    config.inputDefs.push_back(
+        {INPUT_DATA, "layer_0", output_x * output_x * channel, weightSize});
+    config.layerConfig.set_size(imgSize * imgSize *
+                                config.layerConfig.num_filters());
+  } else {
+    config.inputDefs.push_back(
+        {INPUT_DATA, "layer_0", imgSize * imgSize * channel, weightSize});
+    config.layerConfig.set_size(output_x * output_x *
+                                config.layerConfig.num_filters());
+  }
+
   LayerInputConfig* input = config.layerConfig.add_inputs();
   ConvConfig* conv = input->mutable_conv_conf();
   conv->set_filter_size(filter_size);
@@ -71,12 +84,15 @@ MatrixPtr doOneConvTest(size_t imgSize,
   conv->set_stride(stride);
   conv->set_stride_y(stride);
   conv->set_groups(groups);
-  conv->set_filter_channels(channel / groups);
   conv->set_img_size(imgSize);
   conv->set_output_x(output_x);
 
-  config.layerConfig.set_size(conv->output_x() * conv->output_x() *
-                              config.layerConfig.num_filters());
+  if (isDeconv) {
+    conv->set_filter_channels(numfilters / groups);
+  } else {
+    conv->set_filter_channels(channel / groups);
+  }
+
   config.layerConfig.set_name("conv");
 
   std::vector<DataLayerPtr> dataLayers;
@@ -104,6 +120,8 @@ MatrixPtr doOneConvTest(size_t imgSize,
 TEST(Layer, convParaUnified) {
 #ifndef PADDLE_ONLY_CPU
   MatrixPtr input, resultCpu, resultGpu;
+
+  /// TEST1 for conv ///
   input = Matrix::create(1, 4 * 4, false, false);
   real inputData[] = {1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16};
   real param[] = {1, 2, 3, 4, 5, 6, 7, 8, 9, 9, 8, 7, 6, 5, 4, 3, 2, 1};
@@ -120,7 +138,7 @@ TEST(Layer, convParaUnified) {
                             /*groups*/ 1,
                             input,
                             param,
-                            false);
+                            /*useGpu*/ false);
 
   resultGpu = doOneConvTest(/* imgSize */ 4,
                             /* output_x */ 2,
@@ -132,9 +150,42 @@ TEST(Layer, convParaUnified) {
                             /*groups*/ 1,
                             input,
                             param,
-                            true);
+                            /*useGpu*/ true);
   checkMatrixEqual(resultCpu, resultGpu);
 
+  /// TEST1 for deconv ///
+  input = Matrix::create(1, 2 * 2, false, false);
+  real inputDataT[] = {1, 2, 3, 4};
+  input->setData(inputDataT);
+
+  resultCpu = doOneConvTest(/* imgSize */ 4,
+                            /* output_x */ 2,
+                            /* stride */ 1,
+                            /* padding */ 0,
+                            /* filter_size */ 3,
+                            /*channel*/ 1,
+                            /*numfilters*/ 2,
+                            /*groups*/ 1,
+                            input,
+                            param,
+                            /*useGpu*/ false,
+                            /*isDeconv*/ true);
+
+  resultGpu = doOneConvTest(/* imgSize */ 4,
+                            /* output_x */ 2,
+                            /* stride */ 1,
+                            /* padding */ 0,
+                            /* filter_size */ 3,
+                            /*channel*/ 1,
+                            /*numfilters*/ 2,
+                            /*groups*/ 1,
+                            input,
+                            param,
+                            /*useGpu*/ true,
+                            /*isDeconv*/ true);
+  checkMatrixEqual(resultCpu, resultGpu);
+
+  /// TEST2 for conv ///
   input = Matrix::create(1, 3 * 3 * 2, false, false);
   real inputData2[] = {
       1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18};
@@ -152,7 +203,7 @@ TEST(Layer, convParaUnified) {
                             /*groups*/ 1,
                             input,
                             param2,
-                            false);
+                            /*useGpu*/ false);
 
   resultGpu = doOneConvTest(/* imgSize */ 3,
                             /* output_x */ 2,
@@ -164,9 +215,10 @@ TEST(Layer, convParaUnified) {
                             /*groups*/ 1,
                             input,
                             param2,
-                            true);
+                            /*useGpu*/ true);
   checkMatrixEqual(resultCpu, resultGpu);
 
+  /// TEST3 for conv ///
   real param3[] = {1, 2, 3, 4, 4, 3, 2, 1};
 
   resultCpu = doOneConvTest(/* imgSize */ 3,
@@ -179,7 +231,66 @@ TEST(Layer, convParaUnified) {
                             /*groups*/ 2,
                             input,
                             param3,
-                            false);
+                            /*useGpu*/ false);
+
+  resultGpu = doOneConvTest(/* imgSize */ 3,
+                            /* output_x */ 2,
+                            /* stride */ 1,
+                            /* padding */ 0,
+                            /* filter_size */ 2,
+                            /*channel*/ 2,
+                            /*numfilters*/ 2,
+                            /*groups*/ 2,
+                            input,
+                            param3,
+                            /*useGpu*/ true);
+  checkMatrixEqual(resultCpu, resultGpu);
+
+  /// TEST2 for deconv ///
+  input = Matrix::create(1, 2 * 2 * 2, false, false);
+  real inputData2T[] = {1, 2, 3, 4, 5, 6, 7, 8};
+  input->setData(inputData2T);
+
+  resultCpu = doOneConvTest(/* imgSize */ 3,
+                            /* output_x */ 2,
+                            /* stride */ 1,
+                            /* padding */ 0,
+                            /* filter_size */ 2,
+                            /*channel*/ 2,
+                            /*numfilters*/ 2,
+                            /*groups*/ 1,
+                            input,
+                            param2,
+                            /*useGpu*/ false,
+                            /*isDeconv*/ true);
+
+  resultGpu = doOneConvTest(/* imgSize */ 3,
+                            /* output_x */ 2,
+                            /* stride */ 1,
+                            /* padding */ 0,
+                            /* filter_size */ 2,
+                            /*channel*/ 2,
+                            /*numfilters*/ 2,
+                            /*groups*/ 1,
+                            input,
+                            param2,
+                            /*useGpu*/ true,
+                            /*isDeconv*/ true);
+  checkMatrixEqual(resultCpu, resultGpu);
+
+  /// TEST3 for deconv ///
+  resultCpu = doOneConvTest(/* imgSize */ 3,
+                            /* output_x */ 2,
+                            /* stride */ 1,
+                            /* padding */ 0,
+                            /* filter_size */ 2,
+                            /*channel*/ 2,
+                            /*numfilters*/ 2,
+                            /*groups*/ 2,
+                            input,
+                            param3,
+                            /*useGpu*/ false,
+                            /*isDeconv*/ true);
 
   resultGpu = doOneConvTest(/* imgSize */ 3,
                             /* output_x */ 2,
@@ -191,7 +302,8 @@ TEST(Layer, convParaUnified) {
                             /*groups*/ 2,
                             input,
                             param3,
-                            true);
+                            /*useGpu*/ true,
+                            /*isDeconv*/ true);
   checkMatrixEqual(resultCpu, resultGpu);
 #endif
 }