Caffe
hdf5_output_layer.hpp
1 #ifndef CAFFE_HDF5_OUTPUT_LAYER_HPP_
2 #define CAFFE_HDF5_OUTPUT_LAYER_HPP_
3 
4 #include "hdf5.h"
5 
6 #include <string>
7 #include <vector>
8 
9 #include "caffe/blob.hpp"
10 #include "caffe/layer.hpp"
11 #include "caffe/proto/caffe.pb.h"
12 
13 namespace caffe {
14 
15 #define HDF5_DATA_DATASET_NAME "data"
16 #define HDF5_DATA_LABEL_NAME "label"
17 
23 template <typename Dtype>
24 class HDF5OutputLayer : public Layer<Dtype> {
25  public:
26  explicit HDF5OutputLayer(const LayerParameter& param)
27  : Layer<Dtype>(param), file_opened_(false) {}
28  virtual ~HDF5OutputLayer();
29  virtual void LayerSetUp(const vector<Blob<Dtype>*>& bottom,
30  const vector<Blob<Dtype>*>& top);
31  // Data layers have no bottoms, so reshaping is trivial.
32  virtual void Reshape(const vector<Blob<Dtype>*>& bottom,
33  const vector<Blob<Dtype>*>& top) {}
34 
35  virtual inline const char* type() const { return "HDF5Output"; }
36  // TODO: no limit on the number of blobs
37  virtual inline int ExactNumBottomBlobs() const { return 2; }
38  virtual inline int ExactNumTopBlobs() const { return 0; }
39 
40  inline std::string file_name() const { return file_name_; }
41 
42  protected:
43  virtual void Forward_cpu(const vector<Blob<Dtype>*>& bottom,
44  const vector<Blob<Dtype>*>& top);
45  virtual void Forward_gpu(const vector<Blob<Dtype>*>& bottom,
46  const vector<Blob<Dtype>*>& top);
47  virtual void Backward_cpu(const vector<Blob<Dtype>*>& top,
48  const vector<bool>& propagate_down, const vector<Blob<Dtype>*>& bottom);
49  virtual void Backward_gpu(const vector<Blob<Dtype>*>& top,
50  const vector<bool>& propagate_down, const vector<Blob<Dtype>*>& bottom);
51  virtual void SaveBlobs();
52 
53  bool file_opened_;
54  std::string file_name_;
55  hid_t file_id_;
56  Blob<Dtype> data_blob_;
57  Blob<Dtype> label_blob_;
58 };
59 
60 } // namespace caffe
61 
62 #endif // CAFFE_HDF5_OUTPUT_LAYER_HPP_
An interface for the units of computation which can be composed into a Net.
Definition: layer.hpp:33
A layer factory that allows one to register layers. During runtime, registered layers can be called b...
Definition: blob.hpp:14
virtual void Forward_cpu(const vector< Blob< Dtype > *> &bottom, const vector< Blob< Dtype > *> &top)
Using the CPU device, compute the layer output.
Definition: hdf5_output_layer.cpp:41
Write blobs to disk as HDF5 files.
Definition: hdf5_output_layer.hpp:24
virtual void Reshape(const vector< Blob< Dtype > *> &bottom, const vector< Blob< Dtype > *> &top)
Adjust the shapes of top blobs and internal buffers to accommodate the shapes of the bottom blobs...
Definition: hdf5_output_layer.hpp:32
virtual int ExactNumTopBlobs() const
Returns the exact number of top blobs required by the layer, or -1 if no exact number is required...
Definition: hdf5_output_layer.hpp:38
virtual void Backward_gpu(const vector< Blob< Dtype > *> &top, const vector< bool > &propagate_down, const vector< Blob< Dtype > *> &bottom)
Using the GPU device, compute the gradients for any parameters and for the bottom blobs if propagate_...
virtual void Backward_cpu(const vector< Blob< Dtype > *> &top, const vector< bool > &propagate_down, const vector< Blob< Dtype > *> &bottom)
Using the CPU device, compute the gradients for any parameters and for the bottom blobs if propagate_...
Definition: hdf5_output_layer.cpp:62
virtual int ExactNumBottomBlobs() const
Returns the exact number of bottom blobs required by the layer, or -1 if no exact number is required...
Definition: hdf5_output_layer.hpp:37
virtual const char * type() const
Returns the layer type.
Definition: hdf5_output_layer.hpp:35
virtual void LayerSetUp(const vector< Blob< Dtype > *> &bottom, const vector< Blob< Dtype > *> &top)
Does layer-specific setup: your layer should implement this function as well as Reshape.
Definition: hdf5_output_layer.cpp:12
virtual void Forward_gpu(const vector< Blob< Dtype > *> &bottom, const vector< Blob< Dtype > *> &top)
Using the GPU device, compute the layer output. Fall back to Forward_cpu() if unavailable.
A wrapper around SyncedMemory holders serving as the basic computational unit through which Layers...
Definition: blob.hpp:24