1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
|
// Copyright 2013 Yangqing Jia
#include <cstring>
#include <vector>
#include "cuda_runtime.h"
#include "gtest/gtest.h"
#include "caffe/blob.hpp"
#include "caffe/common.hpp"
#include "caffe/filler.hpp"
#include "caffe/vision_layers.hpp"
#include "caffe/test/test_gradient_check_util.hpp"
#include "caffe/test/test_caffe_main.hpp"
namespace caffe {
extern cudaDeviceProp CAFFE_TEST_CUDA_PROP;
template <typename Dtype>
class Im2colLayerTest : public ::testing::Test {
protected:
Im2colLayerTest()
: blob_bottom_(new Blob<Dtype>(2, 3, 6, 5)),
blob_top_(new Blob<Dtype>()) {
// fill the values
FillerParameter filler_param;
GaussianFiller<Dtype> filler(filler_param);
filler.Fill(this->blob_bottom_);
blob_bottom_vec_.push_back(blob_bottom_);
blob_top_vec_.push_back(blob_top_);
}
virtual ~Im2colLayerTest() { delete blob_bottom_; delete blob_top_; }
Blob<Dtype>* const blob_bottom_;
Blob<Dtype>* const blob_top_;
vector<Blob<Dtype>*> blob_bottom_vec_;
vector<Blob<Dtype>*> blob_top_vec_;
};
typedef ::testing::Types<float, double> Dtypes;
TYPED_TEST_CASE(Im2colLayerTest, Dtypes);
TYPED_TEST(Im2colLayerTest, TestSetup) {
LayerParameter layer_param;
layer_param.set_kernelsize(3);
layer_param.set_stride(2);
Im2colLayer<TypeParam> layer(layer_param);
layer.SetUp(this->blob_bottom_vec_, &(this->blob_top_vec_));
EXPECT_EQ(this->blob_top_->num(), 2);
EXPECT_EQ(this->blob_top_->channels(), 27);
EXPECT_EQ(this->blob_top_->height(), 2);
EXPECT_EQ(this->blob_top_->width(), 2);
}
TYPED_TEST(Im2colLayerTest, TestCPU) {
LayerParameter layer_param;
layer_param.set_kernelsize(3);
layer_param.set_stride(2);
Im2colLayer<TypeParam> layer(layer_param);
Caffe::set_mode(Caffe::CPU);
layer.SetUp(this->blob_bottom_vec_, &(this->blob_top_vec_));
layer.Forward(this->blob_bottom_vec_, &(this->blob_top_vec_));
// We are lazy and will only check the top left block
for (int c = 0; c < 27; ++c) {
EXPECT_EQ(this->blob_top_->data_at(0, c, 0, 0),
this->blob_bottom_->data_at(0, (c / 9), (c / 3) % 3, c % 3));
}
}
TYPED_TEST(Im2colLayerTest, TestGPU) {
LayerParameter layer_param;
layer_param.set_kernelsize(3);
layer_param.set_stride(2);
Im2colLayer<TypeParam> layer(layer_param);
Caffe::set_mode(Caffe::GPU);
layer.SetUp(this->blob_bottom_vec_, &(this->blob_top_vec_));
layer.Forward(this->blob_bottom_vec_, &(this->blob_top_vec_));
// We are lazy and will only check the top left block
for (int c = 0; c < 27; ++c) {
EXPECT_EQ(this->blob_bottom_->data_at(0, (c / 9), (c / 3) % 3, c % 3),
this->blob_top_->data_at(0, c, 0, 0));
}
}
TYPED_TEST(Im2colLayerTest, TestCPUGradient) {
LayerParameter layer_param;
layer_param.set_kernelsize(3);
layer_param.set_stride(2);
Caffe::set_mode(Caffe::CPU);
Im2colLayer<TypeParam> layer(layer_param);
GradientChecker<TypeParam> checker(1e-2, 1e-2);
checker.CheckGradientExhaustive(&layer, &(this->blob_bottom_vec_),
&(this->blob_top_vec_));
}
TYPED_TEST(Im2colLayerTest, TestGPUGradient) {
LayerParameter layer_param;
layer_param.set_kernelsize(3);
layer_param.set_stride(2);
Caffe::set_mode(Caffe::GPU);
Im2colLayer<TypeParam> layer(layer_param);
GradientChecker<TypeParam> checker(1e-2, 1e-2);
checker.CheckGradientExhaustive(&layer, &(this->blob_bottom_vec_),
&(this->blob_top_vec_));
}
} // namespace caffe
|