src/caffe/test/test_pooling_layer.cpp

   1 // Copyright 2013 Yangqing Jia
   2
   3 #include <cstring>
   4 #include <cuda_runtime.h>
   5
   6 #include "gtest/gtest.h"
   7 #include "caffe/blob.hpp"
   8 #include "caffe/common.hpp"
   9 #include "caffe/filler.hpp"
  10 #include "caffe/vision_layers.hpp"
  11 #include "caffe/test/test_gradient_check_util.hpp"
  12
  13 #include "caffe/test/test_caffe_main.hpp"
  14
  15 namespace caffe {
  16
  17 extern cudaDeviceProp CAFFE_TEST_CUDA_PROP;
  18
  19 template <typename Dtype>
  20 class PoolingLayerTest : public ::testing::Test {
  21  protected:
  22   PoolingLayerTest()
  23       : blob_bottom_(new Blob<Dtype>()),
  24         blob_top_(new Blob<Dtype>()) {};
  25   virtual void SetUp() {
  26     Caffe::set_random_seed(1701);
  27     blob_bottom_->Reshape(2, 3, 6, 5);
  28     // fill the values
  29     FillerParameter filler_param;
  30     GaussianFiller<Dtype> filler(filler_param);
  31     filler.Fill(this->blob_bottom_);
  32     blob_bottom_vec_.push_back(blob_bottom_);
  33     blob_top_vec_.push_back(blob_top_);
  34   };
  35   virtual ~PoolingLayerTest() { delete blob_bottom_; delete 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 /*
  58 TYPED_TEST(PoolingLayerTest, PrintGPUBackward) {
  59   LayerParameter layer_param;
  60   layer_param.set_kernelsize(3);
  61   layer_param.set_stride(2);
  62   layer_param.set_pool(LayerParameter_PoolMethod_MAX);
  63   Caffe::set_mode(Caffe::GPU);
  64   PoolingLayer<TypeParam> layer(layer_param);
  65   layer.SetUp(this->blob_bottom_vec_, &(this->blob_top_vec_));
  66   layer.Forward(this->blob_bottom_vec_, &(this->blob_top_vec_));
  67   for (int i = 0; i < this->blob_bottom_->count(); ++i) {
  68     cout << "bottom data " << i << " " << this->blob_bottom_->cpu_data()[i] << endl;
  69   }
  70   for (int i = 0; i < this->blob_top_->count(); ++i) {
  71     cout << "top data " << i << " " << this->blob_top_->cpu_data()[i] << endl;
  72   }
  73
  74   for (int i = 0; i < this->blob_top_->count(); ++i) {
  75     this->blob_top_->mutable_cpu_diff()[i] = 1.;
  76   }
  77   layer.Backward(this->blob_top_vec_, true, &(this->blob_bottom_vec_));
  78   for (int i = 0; i < this->blob_bottom_->count(); ++i) {
  79     cout << "bottom diff " << i << " " << this->blob_bottom_->cpu_diff()[i] << endl;
  80   }
  81 }
  82 */
  83
  84 TYPED_TEST(PoolingLayerTest, TestCPUGradientMax) {
  85   LayerParameter layer_param;
  86   layer_param.set_kernelsize(3);
  87   layer_param.set_stride(2);
  88   layer_param.set_pool(LayerParameter_PoolMethod_MAX);
  89   Caffe::set_mode(Caffe::CPU);
  90   PoolingLayer<TypeParam> layer(layer_param);
  91   GradientChecker<TypeParam> checker(1e-4, 1e-2);
  92   checker.CheckGradientExhaustive(layer, this->blob_bottom_vec_, this->blob_top_vec_);
  93 }
  94
  95 TYPED_TEST(PoolingLayerTest, TestGPUGradientMax) {
  96   LayerParameter layer_param;
  97   layer_param.set_kernelsize(3);
  98   layer_param.set_stride(2);
  99   layer_param.set_pool(LayerParameter_PoolMethod_MAX);
 100   Caffe::set_mode(Caffe::GPU);
 101   PoolingLayer<TypeParam> layer(layer_param);
 102   GradientChecker<TypeParam> checker(1e-4, 1e-2);
 103   checker.CheckGradientExhaustive(layer, this->blob_bottom_vec_, this->blob_top_vec_);
 104 }
 105
 106
 107 TYPED_TEST(PoolingLayerTest, TestCPUGradientAve) {
 108   LayerParameter layer_param;
 109   layer_param.set_kernelsize(3);
 110   layer_param.set_stride(2);
 111   layer_param.set_pool(LayerParameter_PoolMethod_AVE);
 112   Caffe::set_mode(Caffe::CPU);
 113   PoolingLayer<TypeParam> layer(layer_param);
 114   GradientChecker<TypeParam> checker(1e-2, 1e-2);
 115   checker.CheckGradientExhaustive(layer, this->blob_bottom_vec_, this->blob_top_vec_);
 116 }
 117
 118
 119 TYPED_TEST(PoolingLayerTest, TestGPUGradientAve) {
 120   LayerParameter layer_param;
 121   layer_param.set_kernelsize(3);
 122   layer_param.set_stride(2);
 123   layer_param.set_pool(LayerParameter_PoolMethod_AVE);
 124   Caffe::set_mode(Caffe::GPU);
 125   PoolingLayer<TypeParam> layer(layer_param);
 126   GradientChecker<TypeParam> checker(1e-2, 1e-2);
 127   checker.CheckGradientExhaustive(layer, this->blob_bottom_vec_, this->blob_top_vec_);
 128 }
 129
 130
 131 }