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#ifndef __XG_RUNTIME_API__
#define __XG_RUNTIME_API__
#include <vector>
#include <string>
#if _WIN32
#define XG_API extern "C" __declspec(dllexport)
#elif __unix__ || __linux__
#define XG_API extern "C"
#endif
// XG type definitions
enum class XGResult
{
XG_SUCCESS,
XG_INPUT_SIZE_MISSMATCH,
XG_INPUT_TYPE_MISSMATCH,
XG_WRONG_INPUT_INDEX,
XG_WRONG_OUTPUT_INDEX,
// device related
XG_DEVICE_NOT_SUPPORTED,
XG_MEMORY_ALLOCATION_FAILED,
// weight file access
XG_FILE_NOT_FOUND,
XG_EXECUTION_FAILED
};
enum class XGWeightSource
{
XG_ONNX,
XG_XGDB
};
enum class XGDataType
{
XG_BOOL,
XG_TOKEN,
XG_STRING,
XG_UINT8,
XG_UINT16,
XG_UINT32,
XG_UINT64,
XG_INT8,
XG_INT16,
XG_INT32,
XG_INT64,
XG_BFLOAT16,
XG_FLOAT16,
XG_FLOAT32,
XG_FLOAT64
};
// access information about the contained model
struct XgModelInfo
{
std::string model_name;
std::string model_version;
std::string device; // cpu, gpu, tpu etc.
std::string hardware; // e.g. intel i7 9th gen
unsigned int num_inputs;
unsigned int num_outputs;
};
XG_API void xg_get_model_info(
XgModelInfo* model_info
);
XG_API bool is_current_device_supported(); // may be list the supported devices on this machine
// create graph
struct XgGraph;
XG_API XGResult xg_init_graph(
const std::string& weight_path,
const XGWeightSource weight_source,
XgGraph** graph
);
XG_API XGResult xg_execute_graph(
XgGraph* graph
);
XG_API XGResult xg_destroy_graph(
XgGraph** graph
);
// set the input to the graph,
// query the output
struct XgData
{
XGDataType dtype;
unsigned int size_in_bytes;
unsigned int dimension;
unsigned int length;
unsigned int* shape;
char* raw_data;
};
XG_API unsigned int xg_calculate_tensor_size_in_bytes(
const XGDataType dtype,
const unsigned int* shape,
const unsigned int dimension
);
XG_API XGResult xg_allocate_input_compatible_data(
const unsigned int input_idx,
XgData** data
);
XG_API XGResult xg_destroy_data(
XgData** data
);
XG_API XGResult xg_get_output_data(
const XgGraph* graph,
const unsigned int output_idx,
XgData** data
);
XG_API XGResult xg_set_input_data(
const XgGraph* graph,
const unsigned int input_idx,
const XgData* data
);
// helper functions
XG_API bool xg_is_data_bool(const XgData* data);
XG_API bool xg_is_data_string(const XgData* data);
XG_API bool xg_is_data_uint8(const XgData* data);
XG_API bool xg_is_data_uint16(const XgData* data);
XG_API bool xg_is_data_uint32(const XgData* data);
XG_API bool xg_is_data_uint64(const XgData* data);
XG_API bool xg_is_data_int8(const XgData* data);
XG_API bool xg_is_data_int16(const XgData* data);
XG_API bool xg_is_data_int32(const XgData* data);
XG_API bool xg_is_data_int64(const XgData* data);
XG_API bool xg_is_data_bfloat16(const XgData* data);
XG_API bool xg_is_data_float16(const XgData* data);
XG_API bool xg_is_data_float32(const XgData* data);
XG_API bool xg_is_data_float64(const XgData* data);
XG_API void xg_copy_stdstrings_to_data(
const std::vector<std::string>& ss,
XgData* data
);
XG_API void xg_copy_data_to_stdstrings(
const size_t length, // number of strings
const XgData* data,
std::vector<std::string>& ss
);
XG_API size_t xg_get_num_of_strings(
const XgData* data
);
#endif // __XG_RUNTIME_API__
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