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ggml-cuda.h
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ggml-cuda.h
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#pragma once
#include "ggml.h"
#include "ggml-backend.h"
#include <stddef.h>
#ifdef GGML_USE_HIPBLAS
#define GGML_CUDA_NAME "ROCm"
#define GGML_CUBLAS_NAME "hipBLAS"
#else
#define GGML_CUDA_NAME "CUDA"
#define GGML_CUBLAS_NAME "cuBLAS"
#endif
#define GGML_CUDA_MAX_DEVICES 16
#ifdef __cplusplus
extern "C" {
#endif
struct ggml_cuda_device {
uint32_t index;
uint64_t heapSize;
const char * name;
};
GGML_API GGML_CALL struct ggml_cuda_device * ggml_cuda_available_devices(size_t * count);
GGML_API GGML_CALL void ggml_cuda_device_destroy(ggml_cuda_device * device);
// backend API
GGML_API GGML_CALL ggml_backend_t ggml_backend_cuda_init(int device);
GGML_API GGML_CALL bool ggml_backend_is_cuda(ggml_backend_t backend);
// device buffer
GGML_API GGML_CALL ggml_backend_buffer_type_t ggml_backend_cuda_buffer_type(int device);
// split tensor buffer that splits matrices by rows across multiple devices
GGML_API GGML_CALL ggml_backend_buffer_type_t ggml_backend_cuda_split_buffer_type(const float * tensor_split);
// pinned host buffer for use with the CPU backend for faster copies between CPU and GPU
GGML_API GGML_CALL ggml_backend_buffer_type_t ggml_backend_cuda_host_buffer_type(void);
GGML_API GGML_CALL int ggml_backend_cuda_get_device_count(void);
GGML_API GGML_CALL void ggml_backend_cuda_get_device_description(int device, char * description, size_t description_size);
GGML_API GGML_CALL void ggml_backend_cuda_get_device_memory(int device, size_t * free, size_t * total);
GGML_API GGML_CALL bool ggml_backend_cuda_register_host_buffer(void * buffer, size_t size);
GGML_API GGML_CALL void ggml_backend_cuda_unregister_host_buffer(void * buffer);
#ifdef __cplusplus
}
#endif
#ifdef __cplusplus
#include <stdexcept>
class ggml_cuda_error: public std::runtime_error {
public:
using runtime_error::runtime_error;
};
#endif // __cplusplus