--- /dev/null
+// Copyright 2014 BVLC and contributors.
+
+#include <string>
+#include <vector>
+#include <sys/stat.h>
+
+#include "cuda_runtime.h"
+#include "leveldb/db.h"
+#include "lmdb.h"
+#include "gtest/gtest.h"
+#include "caffe/blob.hpp"
+#include "caffe/common.hpp"
+#include "caffe/filler.hpp"
+#include "caffe/vision_layers.hpp"
+#include "caffe/proto/caffe.pb.h"
+#include "caffe/test/test_caffe_main.hpp"
+
+using std::string;
+using std::stringstream;
+
+namespace caffe {
+
+extern cudaDeviceProp CAFFE_TEST_CUDA_PROP;
+
+template <typename Dtype>
+class DataLayerTestLmdb : public ::testing::Test {
+ protected:
+ DataLayerTestLmdb()
+ : blob_top_data_(new Blob<Dtype>()),
+ blob_top_label_(new Blob<Dtype>()),
+ filename_(new string(tmpnam(NULL))),
+ seed_(1701) {}
+ virtual void SetUp() {
+ blob_top_vec_.push_back(blob_top_data_);
+ blob_top_vec_.push_back(blob_top_label_);
+ }
+
+ // Fill the LMDB with data: if unique_pixels, each pixel is unique but
+ // all images are the same; else each image is unique but all pixels within
+ // an image are the same.
+
+ void FillLMDB(const bool unique_pixels) {
+ LOG(INFO) << "Using temporary lmdb " << *filename_;
+ CHECK_EQ(mkdir(filename_->c_str(), 0744), 0) << "mkdir " << filename_
+ << "failed";
+ MDB_env *env;
+ MDB_dbi dbi;
+ MDB_val mdbkey, mdbdata;
+ MDB_txn *txn;
+ CHECK_EQ(mdb_env_create(&env), MDB_SUCCESS) << "mdb_env_create failed";
+ CHECK_EQ(mdb_env_set_mapsize(env, 1099511627776), MDB_SUCCESS) // 1TB
+ << "mdb_env_set_mapsize failed";
+ CHECK_EQ(mdb_env_open(env, filename_->c_str(), 0, 0664), MDB_SUCCESS)
+ << "mdb_env_open failed";
+ CHECK_EQ(mdb_txn_begin(env, NULL, 0, &txn), MDB_SUCCESS)
+ << "mdb_txn_begin failed";
+ CHECK_EQ(mdb_open(txn, NULL, 0, &dbi), MDB_SUCCESS) << "mdb_open failed";
+
+ for (int i = 0; i < 5; ++i) {
+ Datum datum;
+ datum.set_label(i);
+ datum.set_channels(2);
+ datum.set_height(3);
+ datum.set_width(4);
+ std::string* data = datum.mutable_data();
+ for (int j = 0; j < 24; ++j) {
+ int datum = unique_pixels ? j : i;
+ data->push_back(static_cast<uint8_t>(datum));
+ }
+ stringstream ss;
+ ss << i;
+
+ string value;
+ datum.SerializeToString(&value);
+ mdbdata.mv_size = value.size();
+ mdbdata.mv_data = reinterpret_cast<void*>(&value[0]);
+ string keystr = ss.str();
+ mdbkey.mv_size = keystr.size();
+ mdbkey.mv_data = reinterpret_cast<void*>(&keystr[0]);
+ CHECK_EQ(mdb_put(txn, dbi, &mdbkey, &mdbdata, 0), MDB_SUCCESS)
+ << "mdb_put failed";
+ }
+ CHECK_EQ(mdb_txn_commit(txn), MDB_SUCCESS) << "mdb_txn_commit failed";
+ mdb_close(env, dbi);
+ mdb_env_close(env);
+ }
+
+ virtual ~DataLayerTestLmdb() { delete blob_top_data_; delete blob_top_label_; }
+
+ shared_ptr<string> filename_;
+ Blob<Dtype>* const blob_top_data_;
+ Blob<Dtype>* const blob_top_label_;
+ vector<Blob<Dtype>*> blob_bottom_vec_;
+ vector<Blob<Dtype>*> blob_top_vec_;
+ int seed_;
+};
+
+typedef ::testing::Types<float, double> Dtypes;
+TYPED_TEST_CASE(DataLayerTestLmdb, Dtypes);
+
+TYPED_TEST(DataLayerTestLmdb, TestReadCPU) {
+ Caffe::set_mode(Caffe::CPU);
+ const bool unique_pixels = false; // all pixels the same; images different
+ this->FillLMDB(unique_pixels);
+ const TypeParam scale = 3;
+ LayerParameter param;
+ DataParameter* data_param = param.mutable_data_param();
+ data_param->set_batch_size(5);
+ data_param->set_scale(scale);
+ data_param->set_source(this->filename_->c_str());
+ data_param->set_backend(DataParameter_DB_LMDB);
+ DataLayer<TypeParam> layer(param);
+ layer.SetUp(this->blob_bottom_vec_, &this->blob_top_vec_);
+ EXPECT_EQ(this->blob_top_data_->num(), 5);
+ EXPECT_EQ(this->blob_top_data_->channels(), 2);
+ EXPECT_EQ(this->blob_top_data_->height(), 3);
+ EXPECT_EQ(this->blob_top_data_->width(), 4);
+ EXPECT_EQ(this->blob_top_label_->num(), 5);
+ EXPECT_EQ(this->blob_top_label_->channels(), 1);
+ EXPECT_EQ(this->blob_top_label_->height(), 1);
+ EXPECT_EQ(this->blob_top_label_->width(), 1);
+
+ for (int iter = 0; iter < 100; ++iter) {
+ layer.Forward(this->blob_bottom_vec_, &this->blob_top_vec_);
+ for (int i = 0; i < 5; ++i) {
+ EXPECT_EQ(i, this->blob_top_label_->cpu_data()[i]);
+ }
+ for (int i = 0; i < 5; ++i) {
+ for (int j = 0; j < 24; ++j) {
+ EXPECT_EQ(scale * i, this->blob_top_data_->cpu_data()[i * 24 + j])
+ << "debug: iter " << iter << " i " << i << " j " << j;
+ }
+ }
+ }
+}
+
+TYPED_TEST(DataLayerTestLmdb, TestReadGPU) {
+ Caffe::set_mode(Caffe::GPU);
+ const bool unique_pixels = false; // all pixels the same; images different
+ this->FillLMDB(unique_pixels);
+ const TypeParam scale = 3;
+ LayerParameter param;
+ DataParameter* data_param = param.mutable_data_param();
+ data_param->set_batch_size(5);
+ data_param->set_scale(scale);
+ data_param->set_source(this->filename_->c_str());
+ data_param->set_backend(DataParameter_DB_LMDB);
+ DataLayer<TypeParam> layer(param);
+ layer.SetUp(this->blob_bottom_vec_, &this->blob_top_vec_);
+ EXPECT_EQ(this->blob_top_data_->num(), 5);
+ EXPECT_EQ(this->blob_top_data_->channels(), 2);
+ EXPECT_EQ(this->blob_top_data_->height(), 3);
+ EXPECT_EQ(this->blob_top_data_->width(), 4);
+ EXPECT_EQ(this->blob_top_label_->num(), 5);
+ EXPECT_EQ(this->blob_top_label_->channels(), 1);
+ EXPECT_EQ(this->blob_top_label_->height(), 1);
+ EXPECT_EQ(this->blob_top_label_->width(), 1);
+
+ for (int iter = 0; iter < 100; ++iter) {
+ layer.Forward(this->blob_bottom_vec_, &this->blob_top_vec_);
+ for (int i = 0; i < 5; ++i) {
+ EXPECT_EQ(i, this->blob_top_label_->cpu_data()[i]);
+ }
+ for (int i = 0; i < 5; ++i) {
+ for (int j = 0; j < 24; ++j) {
+ EXPECT_EQ(scale * i, this->blob_top_data_->cpu_data()[i * 24 + j])
+ << "debug: iter " << iter << " i " << i << " j " << j;
+ }
+ }
+ }
+}
+
+TYPED_TEST(DataLayerTestLmdb, TestReadCropTrainCPU) {
+ Caffe::set_phase(Caffe::TRAIN);
+ Caffe::set_mode(Caffe::CPU);
+ const bool unique_pixels = true; // all images the same; pixels different
+ this->FillLMDB(unique_pixels);
+ const TypeParam scale = 3;
+ LayerParameter param;
+ DataParameter* data_param = param.mutable_data_param();
+ data_param->set_batch_size(5);
+ data_param->set_scale(scale);
+ data_param->set_crop_size(1);
+ data_param->set_source(this->filename_->c_str());
+ data_param->set_backend(DataParameter_DB_LMDB);
+ DataLayer<TypeParam> layer(param);
+ layer.SetUp(this->blob_bottom_vec_, &this->blob_top_vec_);
+ EXPECT_EQ(this->blob_top_data_->num(), 5);
+ EXPECT_EQ(this->blob_top_data_->channels(), 2);
+ EXPECT_EQ(this->blob_top_data_->height(), 1);
+ EXPECT_EQ(this->blob_top_data_->width(), 1);
+ EXPECT_EQ(this->blob_top_label_->num(), 5);
+ EXPECT_EQ(this->blob_top_label_->channels(), 1);
+ EXPECT_EQ(this->blob_top_label_->height(), 1);
+ EXPECT_EQ(this->blob_top_label_->width(), 1);
+
+ for (int iter = 0; iter < 2; ++iter) {
+ layer.Forward(this->blob_bottom_vec_, &this->blob_top_vec_);
+ for (int i = 0; i < 5; ++i) {
+ EXPECT_EQ(i, this->blob_top_label_->cpu_data()[i]);
+ }
+ int num_with_center_value = 0;
+ for (int i = 0; i < 5; ++i) {
+ for (int j = 0; j < 2; ++j) {
+ const TypeParam center_value = scale * (j ? 17 : 5);
+ num_with_center_value +=
+ (center_value == this->blob_top_data_->cpu_data()[i * 2 + j]);
+ }
+ }
+ // Check we did not get the center crop all 10 times (occurs with
+ // probability 1-1/12^10 in working implementation).
+ EXPECT_LT(num_with_center_value, 10);
+ }
+}
+
+TYPED_TEST(DataLayerTestLmdb, TestReadCropTrainGPU) {
+ Caffe::set_phase(Caffe::TRAIN);
+ Caffe::set_mode(Caffe::GPU);
+ const bool unique_pixels = true; // all images the same; pixels different
+ this->FillLMDB(unique_pixels);
+ const TypeParam scale = 3;
+ LayerParameter param;
+ DataParameter* data_param = param.mutable_data_param();
+ data_param->set_batch_size(5);
+ data_param->set_scale(scale);
+ data_param->set_crop_size(1);
+ data_param->set_source(this->filename_->c_str());
+ data_param->set_backend(DataParameter_DB_LMDB);
+ DataLayer<TypeParam> layer(param);
+ layer.SetUp(this->blob_bottom_vec_, &this->blob_top_vec_);
+ EXPECT_EQ(this->blob_top_data_->num(), 5);
+ EXPECT_EQ(this->blob_top_data_->channels(), 2);
+ EXPECT_EQ(this->blob_top_data_->height(), 1);
+ EXPECT_EQ(this->blob_top_data_->width(), 1);
+ EXPECT_EQ(this->blob_top_label_->num(), 5);
+ EXPECT_EQ(this->blob_top_label_->channels(), 1);
+ EXPECT_EQ(this->blob_top_label_->height(), 1);
+ EXPECT_EQ(this->blob_top_label_->width(), 1);
+
+ for (int iter = 0; iter < 2; ++iter) {
+ layer.Forward(this->blob_bottom_vec_, &this->blob_top_vec_);
+ for (int i = 0; i < 5; ++i) {
+ EXPECT_EQ(i, this->blob_top_label_->cpu_data()[i]);
+ }
+ int num_with_center_value = 0;
+ for (int i = 0; i < 5; ++i) {
+ for (int j = 0; j < 2; ++j) {
+ const TypeParam center_value = scale * (j ? 17 : 5);
+ num_with_center_value +=
+ (center_value == this->blob_top_data_->cpu_data()[i * 2 + j]);
+ }
+ }
+ // Check we did not get the center crop all 10 times (occurs with
+ // probability 1-1/12^10 in working implementation).
+ EXPECT_LT(num_with_center_value, 10);
+ }
+}
+
+// Test that the sequence of random crops is consistent when using
+// Caffe::set_random_seed.
+TYPED_TEST(DataLayerTestLmdb, TestReadCropTrainSequenceSeededCPU) {
+ Caffe::set_phase(Caffe::TRAIN);
+ Caffe::set_mode(Caffe::CPU);
+ const bool unique_pixels = true; // all images the same; pixels different
+ this->FillLMDB(unique_pixels);
+ LayerParameter param;
+ DataParameter* data_param = param.mutable_data_param();
+ data_param->set_batch_size(5);
+ data_param->set_crop_size(1);
+ data_param->set_mirror(true);
+ data_param->set_source(this->filename_->c_str());
+ data_param->set_backend(DataParameter_DB_LMDB);
+ // Get crop sequence with Caffe seed 1701.
+ Caffe::set_random_seed(this->seed_);
+ vector<vector<TypeParam> > crop_sequence;
+ {
+ DataLayer<TypeParam> layer1(param);
+ layer1.SetUp(this->blob_bottom_vec_, &this->blob_top_vec_);
+ for (int iter = 0; iter < 2; ++iter) {
+ layer1.Forward(this->blob_bottom_vec_, &this->blob_top_vec_);
+ for (int i = 0; i < 5; ++i) {
+ EXPECT_EQ(i, this->blob_top_label_->cpu_data()[i]);
+ }
+ vector<TypeParam> iter_crop_sequence;
+ for (int i = 0; i < 5; ++i) {
+ for (int j = 0; j < 2; ++j) {
+ iter_crop_sequence.push_back(
+ this->blob_top_data_->cpu_data()[i * 2 + j]);
+ }
+ }
+ crop_sequence.push_back(iter_crop_sequence);
+ }
+ } // destroy 1st data layer and unlock the leveldb
+
+ // Get crop sequence after reseeding Caffe with 1701.
+ // Check that the sequence is the same as the original.
+ Caffe::set_random_seed(this->seed_);
+ DataLayer<TypeParam> layer2(param);
+ layer2.SetUp(this->blob_bottom_vec_, &this->blob_top_vec_);
+ for (int iter = 0; iter < 2; ++iter) {
+ layer2.Forward(this->blob_bottom_vec_, &this->blob_top_vec_);
+ for (int i = 0; i < 5; ++i) {
+ EXPECT_EQ(i, this->blob_top_label_->cpu_data()[i]);
+ }
+ for (int i = 0; i < 5; ++i) {
+ for (int j = 0; j < 2; ++j) {
+ EXPECT_EQ(crop_sequence[iter][i * 2 + j],
+ this->blob_top_data_->cpu_data()[i * 2 + j])
+ << "debug: iter " << iter << " i " << i << " j " << j;
+ }
+ }
+ }
+}
+
+// Test that the sequence of random crops is consistent when using
+// Caffe::set_random_seed.
+TYPED_TEST(DataLayerTestLmdb, TestReadCropTrainSequenceSeededGPU) {
+ Caffe::set_phase(Caffe::TRAIN);
+ Caffe::set_mode(Caffe::GPU);
+ const bool unique_pixels = true; // all images the same; pixels different
+ this->FillLMDB(unique_pixels);
+ LayerParameter param;
+ DataParameter* data_param = param.mutable_data_param();
+ data_param->set_batch_size(5);
+ data_param->set_crop_size(1);
+ data_param->set_mirror(true);
+ data_param->set_source(this->filename_->c_str());
+ data_param->set_backend(DataParameter_DB_LMDB);
+ // Get crop sequence with Caffe seed 1701.
+ Caffe::set_random_seed(this->seed_);
+ vector<vector<TypeParam> > crop_sequence;
+ {
+ DataLayer<TypeParam> layer1(param);
+ layer1.SetUp(this->blob_bottom_vec_, &this->blob_top_vec_);
+ for (int iter = 0; iter < 2; ++iter) {
+ layer1.Forward(this->blob_bottom_vec_, &this->blob_top_vec_);
+ for (int i = 0; i < 5; ++i) {
+ EXPECT_EQ(i, this->blob_top_label_->cpu_data()[i]);
+ }
+ vector<TypeParam> iter_crop_sequence;
+ for (int i = 0; i < 5; ++i) {
+ for (int j = 0; j < 2; ++j) {
+ iter_crop_sequence.push_back(
+ this->blob_top_data_->cpu_data()[i * 2 + j]);
+ }
+ }
+ crop_sequence.push_back(iter_crop_sequence);
+ }
+ } // destroy 1st data layer and unlock the leveldb
+
+ // Get crop sequence after reseeding Caffe with 1701.
+ // Check that the sequence is the same as the original.
+ Caffe::set_random_seed(this->seed_);
+ DataLayer<TypeParam> layer2(param);
+ layer2.SetUp(this->blob_bottom_vec_, &this->blob_top_vec_);
+ for (int iter = 0; iter < 2; ++iter) {
+ layer2.Forward(this->blob_bottom_vec_, &this->blob_top_vec_);
+ for (int i = 0; i < 5; ++i) {
+ EXPECT_EQ(i, this->blob_top_label_->cpu_data()[i]);
+ }
+ for (int i = 0; i < 5; ++i) {
+ for (int j = 0; j < 2; ++j) {
+ EXPECT_EQ(crop_sequence[iter][i * 2 + j],
+ this->blob_top_data_->cpu_data()[i * 2 + j])
+ << "debug: iter " << iter << " i " << i << " j " << j;
+ }
+ }
+ }
+}
+
+// Test that the sequence of random crops differs across iterations when
+// Caffe::set_random_seed isn't called (and seeds from srand are ignored).
+TYPED_TEST(DataLayerTestLmdb, TestReadCropTrainSequenceUnseededCPU) {
+ Caffe::set_phase(Caffe::TRAIN);
+ Caffe::set_mode(Caffe::CPU);
+ const bool unique_pixels = true; // all images the same; pixels different
+ this->FillLMDB(unique_pixels);
+ LayerParameter param;
+ DataParameter* data_param = param.mutable_data_param();
+ data_param->set_batch_size(5);
+ data_param->set_crop_size(1);
+ data_param->set_mirror(true);
+ data_param->set_source(this->filename_->c_str());
+ data_param->set_backend(DataParameter_DB_LMDB);
+ // Get crop sequence with Caffe seed 1701, srand seed 1701.
+ Caffe::set_random_seed(this->seed_);
+ srand(this->seed_);
+ vector<vector<TypeParam> > crop_sequence;
+ {
+ DataLayer<TypeParam> layer1(param);
+ layer1.SetUp(this->blob_bottom_vec_, &this->blob_top_vec_);
+ for (int iter = 0; iter < 2; ++iter) {
+ layer1.Forward(this->blob_bottom_vec_, &this->blob_top_vec_);
+ for (int i = 0; i < 5; ++i) {
+ EXPECT_EQ(i, this->blob_top_label_->cpu_data()[i]);
+ }
+ vector<TypeParam> iter_crop_sequence;
+ for (int i = 0; i < 5; ++i) {
+ for (int j = 0; j < 2; ++j) {
+ iter_crop_sequence.push_back(
+ this->blob_top_data_->cpu_data()[i * 2 + j]);
+ }
+ }
+ crop_sequence.push_back(iter_crop_sequence);
+ }
+ } // destroy 1st data layer and unlock the leveldb
+
+ // Get crop sequence continuing from previous Caffe RNG state;
+ // reseed srand with 1701. Check that the sequence differs from the original.
+ srand(this->seed_);
+ DataLayer<TypeParam> layer2(param);
+ layer2.SetUp(this->blob_bottom_vec_, &this->blob_top_vec_);
+ for (int iter = 0; iter < 2; ++iter) {
+ layer2.Forward(this->blob_bottom_vec_, &this->blob_top_vec_);
+ for (int i = 0; i < 5; ++i) {
+ EXPECT_EQ(i, this->blob_top_label_->cpu_data()[i]);
+ }
+ int num_sequence_matches = 0;
+ for (int i = 0; i < 5; ++i) {
+ for (int j = 0; j < 2; ++j) {
+ num_sequence_matches += (crop_sequence[iter][i * 2 + j] ==
+ this->blob_top_data_->cpu_data()[i * 2 + j]);
+ }
+ }
+ EXPECT_LT(num_sequence_matches, 10);
+ }
+}
+
+// Test that the sequence of random crops differs across iterations when
+// Caffe::set_random_seed isn't called (and seeds from srand are ignored).
+TYPED_TEST(DataLayerTestLmdb, TestReadCropTrainSequenceUnseededGPU) {
+ Caffe::set_phase(Caffe::TRAIN);
+ Caffe::set_mode(Caffe::GPU);
+ const bool unique_pixels = true; // all images the same; pixels different
+ this->FillLMDB(unique_pixels);
+ LayerParameter param;
+ DataParameter* data_param = param.mutable_data_param();
+ data_param->set_batch_size(5);
+ data_param->set_crop_size(1);
+ data_param->set_mirror(true);
+ data_param->set_source(this->filename_->c_str());
+ data_param->set_backend(DataParameter_DB_LMDB);
+ // Get crop sequence with Caffe seed 1701, srand seed 1701.
+ Caffe::set_random_seed(this->seed_);
+ srand(this->seed_);
+ vector<vector<TypeParam> > crop_sequence;
+ {
+ DataLayer<TypeParam> layer1(param);
+ layer1.SetUp(this->blob_bottom_vec_, &this->blob_top_vec_);
+ for (int iter = 0; iter < 2; ++iter) {
+ layer1.Forward(this->blob_bottom_vec_, &this->blob_top_vec_);
+ for (int i = 0; i < 5; ++i) {
+ EXPECT_EQ(i, this->blob_top_label_->cpu_data()[i]);
+ }
+ vector<TypeParam> iter_crop_sequence;
+ for (int i = 0; i < 5; ++i) {
+ for (int j = 0; j < 2; ++j) {
+ iter_crop_sequence.push_back(
+ this->blob_top_data_->cpu_data()[i * 2 + j]);
+ }
+ }
+ crop_sequence.push_back(iter_crop_sequence);
+ }
+ } // destroy 1st data layer and unlock the leveldb
+
+ // Get crop sequence continuing from previous Caffe RNG state;
+ // reseed srand with 1701. Check that the sequence differs from the original.
+ srand(this->seed_);
+ DataLayer<TypeParam> layer2(param);
+ layer2.SetUp(this->blob_bottom_vec_, &this->blob_top_vec_);
+ for (int iter = 0; iter < 2; ++iter) {
+ layer2.Forward(this->blob_bottom_vec_, &this->blob_top_vec_);
+ for (int i = 0; i < 5; ++i) {
+ EXPECT_EQ(i, this->blob_top_label_->cpu_data()[i]);
+ }
+ int num_sequence_matches = 0;
+ for (int i = 0; i < 5; ++i) {
+ for (int j = 0; j < 2; ++j) {
+ num_sequence_matches += (crop_sequence[iter][i * 2 + j] ==
+ this->blob_top_data_->cpu_data()[i * 2 + j]);
+ }
+ }
+ EXPECT_LT(num_sequence_matches, 10);
+ }
+}
+
+TYPED_TEST(DataLayerTestLmdb, TestReadCropTestCPU) {
+ Caffe::set_phase(Caffe::TEST);
+ Caffe::set_mode(Caffe::CPU);
+ const bool unique_pixels = true; // all images the same; pixels different
+ this->FillLMDB(unique_pixels);
+ const TypeParam scale = 3;
+ LayerParameter param;
+ DataParameter* data_param = param.mutable_data_param();
+ data_param->set_batch_size(5);
+ data_param->set_scale(scale);
+ data_param->set_crop_size(1);
+ data_param->set_source(this->filename_->c_str());
+ data_param->set_backend(DataParameter_DB_LMDB);
+ DataLayer<TypeParam> layer(param);
+ layer.SetUp(this->blob_bottom_vec_, &this->blob_top_vec_);
+ EXPECT_EQ(this->blob_top_data_->num(), 5);
+ EXPECT_EQ(this->blob_top_data_->channels(), 2);
+ EXPECT_EQ(this->blob_top_data_->height(), 1);
+ EXPECT_EQ(this->blob_top_data_->width(), 1);
+ EXPECT_EQ(this->blob_top_label_->num(), 5);
+ EXPECT_EQ(this->blob_top_label_->channels(), 1);
+ EXPECT_EQ(this->blob_top_label_->height(), 1);
+ EXPECT_EQ(this->blob_top_label_->width(), 1);
+
+ for (int iter = 0; iter < 2; ++iter) {
+ layer.Forward(this->blob_bottom_vec_, &this->blob_top_vec_);
+ for (int i = 0; i < 5; ++i) {
+ EXPECT_EQ(i, this->blob_top_label_->cpu_data()[i]);
+ }
+ for (int i = 0; i < 5; ++i) {
+ for (int j = 0; j < 2; ++j) {
+ const TypeParam center_value = scale * (j ? 17 : 5);
+ EXPECT_EQ(center_value, this->blob_top_data_->cpu_data()[i * 2 + j])
+ << "debug: iter " << iter << " i " << i << " j " << j;
+ }
+ }
+ }
+}
+
+TYPED_TEST(DataLayerTestLmdb, TestReadCropTestGPU) {
+ Caffe::set_phase(Caffe::TEST);
+ Caffe::set_mode(Caffe::GPU);
+ const bool unique_pixels = true; // all images the same; pixels different
+ this->FillLMDB(unique_pixels);
+ const TypeParam scale = 3;
+ LayerParameter param;
+ DataParameter* data_param = param.mutable_data_param();
+ data_param->set_batch_size(5);
+ data_param->set_scale(scale);
+ data_param->set_crop_size(1);
+ data_param->set_source(this->filename_->c_str());
+ data_param->set_backend(DataParameter_DB_LMDB);
+ DataLayer<TypeParam> layer(param);
+ layer.SetUp(this->blob_bottom_vec_, &this->blob_top_vec_);
+ EXPECT_EQ(this->blob_top_data_->num(), 5);
+ EXPECT_EQ(this->blob_top_data_->channels(), 2);
+ EXPECT_EQ(this->blob_top_data_->height(), 1);
+ EXPECT_EQ(this->blob_top_data_->width(), 1);
+ EXPECT_EQ(this->blob_top_label_->num(), 5);
+ EXPECT_EQ(this->blob_top_label_->channels(), 1);
+ EXPECT_EQ(this->blob_top_label_->height(), 1);
+ EXPECT_EQ(this->blob_top_label_->width(), 1);
+
+ for (int iter = 0; iter < 2; ++iter) {
+ layer.Forward(this->blob_bottom_vec_, &this->blob_top_vec_);
+ for (int i = 0; i < 5; ++i) {
+ EXPECT_EQ(i, this->blob_top_label_->cpu_data()[i]);
+ }
+ for (int i = 0; i < 5; ++i) {
+ for (int j = 0; j < 2; ++j) {
+ const TypeParam center_value = scale * (j ? 17 : 5);
+ EXPECT_EQ(center_value, this->blob_top_data_->cpu_data()[i * 2 + j])
+ << "debug: iter " << iter << " i " << i << " j " << j;
+ }
+ }
+ }
+}
+
+} // namespace caffe