onnxruntime/onnxruntime/python/onnxruntime_pybind_mlvalue.h

56 lines
1.9 KiB
C++

// Copyright (c) Microsoft Corporation. All rights reserved.
// Licensed under the MIT License.
#pragma once
#define NPY_NO_DEPRECATED_API NPY_1_7_API_VERSION
#include <pybind11/iostream.h>
#include <pybind11/pybind11.h>
#include <pybind11/stl.h>
#include "core/common/logging/logging.h"
#include "core/common/logging/sinks/clog_sink.h"
#include "core/common/logging/sinks/cerr_sink.h"
#include "core/framework/allocatormgr.h"
#include "core/session/environment.h"
#include "core/framework/ml_value.h"
#include "core/session/inference_session.h"
namespace onnxruntime {
namespace python {
namespace py = pybind11;
extern const char* PYTHON_ORTVALUE_OBJECT_NAME;
extern const char* PYTHON_ORTVALUE_NATIVE_OBJECT_ATTR;
bool IsNumericNumpyType(int npy_type);
bool IsNumericNumpyArray(py::object& py_object);
int OnnxRuntimeTensorToNumpyType(const DataTypeImpl* tensor_type);
MLDataType NumpyTypeToOnnxRuntimeType(int numpy_type);
using MemCpyFunc = void (*)(void*, const void*, size_t);
void CpuToCpuMemCpy(void*, const void*, size_t);
void CreateGenericMLValue(const onnxruntime::InputDefList* input_def_list, const AllocatorPtr& alloc,
const std::string& name_input, py::object& value, OrtValue* p_mlvalue,
bool accept_only_numpy_array = false, bool use_numpy_data_memory = true, MemCpyFunc mem_cpy_to_device = CpuToCpuMemCpy);
void GetPyObjFromTensor(const Tensor& rtensor, py::object& obj,
const DataTransferManager* data_transfer_manager = nullptr,
const std::unordered_map<OrtDevice::DeviceType, MemCpyFunc>* mem_cpy_to_host_functions = nullptr);
template <class T>
struct DecRefFn {
void operator()(T* pyobject) const {
Py_XDECREF(pyobject);
}
};
template <class T>
using UniqueDecRefPtr = std::unique_ptr<T, DecRefFn<T>>;
} // namespace python
} // namespace onnxruntime