src/caffe/test/test_pooling_layer.cpp

   1 #include <cstring>
   2 #include <cuda_runtime.h>
   3
   4 #include "gtest/gtest.h"
   5 #include "caffe/blob.hpp"
   6 #include "caffe/common.hpp"
   7 #include "caffe/filler.hpp"
   8 #include "caffe/vision_layers.hpp"
   9 #include "caffe/test/test_gradient_check_util.hpp"
  10
  11 #include "caffe/test/test_caffe_main.hpp"
  12
  13 namespace caffe {
  14
  15 extern cudaDeviceProp CAFFE_TEST_CUDA_PROP;
  16
  17 template <typename Dtype>
  18 class PoolingLayerTest : public ::testing::Test {
  19  protected:
  20   PoolingLayerTest()
  21       : blob_bottom_(new Blob<Dtype>()),
  22         blob_top_(new Blob<Dtype>()) {};
  23   virtual void SetUp() {
  24     Caffe::set_random_seed(1701);
  25     blob_bottom_->Reshape(2, 3, 6, 5);
  26     // fill the values
  27     FillerParameter filler_param;
  28     GaussianFiller<Dtype> filler(filler_param);
  29     filler.Fill(this->blob_bottom_);
  30     blob_bottom_vec_.push_back(blob_bottom_);
  31     blob_top_vec_.push_back(blob_top_);
  32   };
  33   virtual ~PoolingLayerTest() { delete blob_bottom_; delete blob_top_; }
  34   void ReferenceLRNForward(const Blob<Dtype>& blob_bottom,
  35       const LayerParameter& layer_param, Blob<Dtype>* blob_top);
  36   Blob<Dtype>* const blob_bottom_;
  37   Blob<Dtype>* const blob_top_;
  38   vector<Blob<Dtype>*> blob_bottom_vec_;
  39   vector<Blob<Dtype>*> blob_top_vec_;
  40 };
  41
  42 typedef ::testing::Types<float, double> Dtypes;
  43 TYPED_TEST_CASE(PoolingLayerTest, Dtypes);
  44
  45 TYPED_TEST(PoolingLayerTest, TestSetup) {
  46   LayerParameter layer_param;
  47   layer_param.set_kernelsize(3);
  48   layer_param.set_stride(2);
  49   PoolingLayer<TypeParam> layer(layer_param);
  50   layer.SetUp(this->blob_bottom_vec_, &(this->blob_top_vec_));
  51   EXPECT_EQ(this->blob_top_->num(), this->blob_bottom_->num());
  52   EXPECT_EQ(this->blob_top_->channels(), this->blob_bottom_->channels());
  53   EXPECT_EQ(this->blob_top_->height(), 3);
  54   EXPECT_EQ(this->blob_top_->width(), 2);
  55 }
  56
  57 TYPED_TEST(PoolingLayerTest, TestGPUMax) {
  58   LayerParameter layer_param;
  59   layer_param.set_kernelsize(3);
  60   layer_param.set_stride(2);
  61   layer_param.set_pool(LayerParameter_PoolMethod_MAX);
  62   Caffe::set_mode(Caffe::CPU);
  63   PoolingLayer<TypeParam> layer(layer_param);
  64   layer.SetUp(this->blob_bottom_vec_, &(this->blob_top_vec_));
  65   layer.Forward(this->blob_bottom_vec_, &(this->blob_top_vec_));
  66   Blob<TypeParam> blob_reference(*this->blob_top_);
  67   Caffe::set_mode(Caffe::GPU);
  68   layer.Forward(this->blob_bottom_vec_, &(this->blob_top_vec_));
  69   for (int i = 0; i < blob_reference.count(); ++i) {
  70     EXPECT_EQ(blob_reference.cpu_data()[i], this->blob_top_->cpu_data()[i])
  71         << "debug: index " << i;
  72   }
  73 }
  74
  75 TYPED_TEST(PoolingLayerTest, TestGPUAve) {
  76   LayerParameter layer_param;
  77   layer_param.set_kernelsize(3);
  78   layer_param.set_stride(2);
  79   layer_param.set_pool(LayerParameter_PoolMethod_AVE);
  80   Caffe::set_mode(Caffe::CPU);
  81   PoolingLayer<TypeParam> layer(layer_param);
  82   layer.SetUp(this->blob_bottom_vec_, &(this->blob_top_vec_));
  83   layer.Forward(this->blob_bottom_vec_, &(this->blob_top_vec_));
  84   Blob<TypeParam> blob_reference(*this->blob_top_);
  85   Caffe::set_mode(Caffe::GPU);
  86   layer.Forward(this->blob_bottom_vec_, &(this->blob_top_vec_));
  87   for (int i = 0; i < blob_reference.count(); ++i) {
  88     EXPECT_GE(blob_reference.cpu_data()[i], this->blob_top_->cpu_data()[i] - 1e-4)
  89         << "debug: index " << i;
  90     EXPECT_LE(blob_reference.cpu_data()[i], this->blob_top_->cpu_data()[i] + 1e-4)
  91         << "debug: index " << i;
  92   }
  93 }
  94
  95 /*
  96 TYPED_TEST(PoolingLayerTest, PrintGPUBackward) {
  97   LayerParameter layer_param;
  98   layer_param.set_kernelsize(3);
  99   layer_param.set_stride(2);
 100   layer_param.set_pool(LayerParameter_PoolMethod_MAX);
 101   Caffe::set_mode(Caffe::GPU);
 102   PoolingLayer<TypeParam> layer(layer_param);
 103   layer.SetUp(this->blob_bottom_vec_, &(this->blob_top_vec_));
 104   layer.Forward(this->blob_bottom_vec_, &(this->blob_top_vec_));
 105   for (int i = 0; i < this->blob_bottom_->count(); ++i) {
 106     cout << "bottom data " << i << " " << this->blob_bottom_->cpu_data()[i] << endl;
 107   }
 108   for (int i = 0; i < this->blob_top_->count(); ++i) {
 109     cout << "top data " << i << " " << this->blob_top_->cpu_data()[i] << endl;
 110   }
 111
 112   for (int i = 0; i < this->blob_top_->count(); ++i) {
 113     this->blob_top_->mutable_cpu_diff()[i] = 1.;
 114   }
 115   layer.Backward(this->blob_top_vec_, true, &(this->blob_bottom_vec_));
 116   for (int i = 0; i < this->blob_bottom_->count(); ++i) {
 117     cout << "bottom diff " << i << " " << this->blob_bottom_->cpu_diff()[i] << endl;
 118   }
 119 }
 120 */
 121
 122 TYPED_TEST(PoolingLayerTest, TestCPUGradientMax) {
 123   LayerParameter layer_param;
 124   layer_param.set_kernelsize(3);
 125   layer_param.set_stride(2);
 126   layer_param.set_pool(LayerParameter_PoolMethod_MAX);
 127   Caffe::set_mode(Caffe::CPU);
 128   PoolingLayer<TypeParam> layer(layer_param);
 129   GradientChecker<TypeParam> checker(1e-4, 1e-2);
 130   checker.CheckGradientExhaustive(layer, this->blob_bottom_vec_, this->blob_top_vec_);
 131 }
 132
 133 TYPED_TEST(PoolingLayerTest, TestGPUGradientMax) {
 134   LayerParameter layer_param;
 135   layer_param.set_kernelsize(3);
 136   layer_param.set_stride(2);
 137   layer_param.set_pool(LayerParameter_PoolMethod_MAX);
 138   Caffe::set_mode(Caffe::GPU);
 139   PoolingLayer<TypeParam> layer(layer_param);
 140   GradientChecker<TypeParam> checker(1e-4, 1e-2);
 141   checker.CheckGradientExhaustive(layer, this->blob_bottom_vec_, this->blob_top_vec_);
 142 }
 143
 144
 145 TYPED_TEST(PoolingLayerTest, TestCPUGradientAve) {
 146   LayerParameter layer_param;
 147   layer_param.set_kernelsize(3);
 148   layer_param.set_stride(2);
 149   layer_param.set_pool(LayerParameter_PoolMethod_AVE);
 150   Caffe::set_mode(Caffe::CPU);
 151   PoolingLayer<TypeParam> layer(layer_param);
 152   GradientChecker<TypeParam> checker(1e-2, 1e-2);
 153   checker.CheckGradientExhaustive(layer, this->blob_bottom_vec_, this->blob_top_vec_);
 154 }
 155
 156
 157 TYPED_TEST(PoolingLayerTest, TestGPUGradientAve) {
 158   LayerParameter layer_param;
 159   layer_param.set_kernelsize(3);
 160   layer_param.set_stride(2);
 161   layer_param.set_pool(LayerParameter_PoolMethod_AVE);
 162   Caffe::set_mode(Caffe::GPU);
 163   PoolingLayer<TypeParam> layer(layer_param);
 164   GradientChecker<TypeParam> checker(1e-2, 1e-2);
 165   checker.CheckGradientExhaustive(layer, this->blob_bottom_vec_, this->blob_top_vec_);
 166 }
 167
 168
 169 }