src/python/swig/core_device.i

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/*interface file for swig */

%module core_device
%include "std_vector.i"
%include "std_string.i"
%include "std_pair.i"
%include "std_shared_ptr.i"

%{
#include "singa/core/device.h"
%}

/* smart pointer to avoid memory leak */
%shared_ptr(singa::Device);

namespace std{
%template(sizePair) std::pair<size_t, size_t>;
%template(vectorPair) std::vector<std::pair<size_t, size_t>>;
%template(vectorSharedPtr) std::vector<std::shared_ptr<singa::Device>>;
}

namespace singa{

class Device {
  public:
  virtual void SetRandSeed(unsigned seed) = 0;
  std::shared_ptr<Device> host();
  int id() const;
};

class Platform {
 public:
#if USE_CUDA
  static int GetNumGPUs();
  static const std::vector<int> GetGPUIDs();
  static const std::pair<size_t, size_t> GetGPUMemSize(const int device);
  static const std::vector<std::pair<size_t, size_t>> GetGPUMemSize();
  static const std::string DeviceQuery(int id, bool verbose = false);
  static const std::vector<std::shared_ptr<Device> >
  CreateCudaGPUs(const size_t num_devices, size_t init_size = 0);
  static const std::vector<std::shared_ptr<Device>>
  CreateCudaGPUsOn(const std::vector<int> &devices, size_t init_size = 0);
#endif // USE_CUDA
  static std::shared_ptr<Device> GetDefaultDevice();
};

}