我正在尝试编写一个简单的代码来从我的 GPU(NVidia Geforce 760 GTX)获取一些信息,例如使用NVAPI的温度。
我从 CUDA 示例代码开始。也许你看到了 NVidia 提供的这些示例代码。我复制了一个示例代码('CUDA Samples\v6.5\0_Simple\vectorAdd')来编写这个示例。我将 NVAPI 的所有“.h”文件复制到“CUDA Samples\v6.5\common\inc”并将“nvapi.lib”复制到“CUDA Samples\v6.5\common\lib\Win32”并复制“nvapi64” .lib' 到 'CUDA Samples\v6.5\common\lib\x64'。
我将这些副本执行到“C:\Program Files\CUDA\v6.5\include”和“C:\Program Files\CUDA\v6.5\lib”。
这是我写的代码:
int _txmain() {
NvAPI_Status ret = NVAPI_OK;
int i=0;
NvDisplayHandle hDisplay_a[NVAPI_MAX_PHYSICAL_GPUS*2] = {0};
ret = NvAPI_Initialize();
if (!ret == NVAPI_OK){
NvAPI_ShortString string;
NvAPI_GetErrorMessage(ret, string);
printf("NVAPI NvAPI_Initialize: %s\n", string);
}
NvAPI_ShortString ver;
NvAPI_GetInterfaceVersionString(ver);
printf("NVAPI Version: %s\n", ver);
NvU32 cnt;
NvPhysicalGpuHandle phys;
ret = NvAPI_EnumPhysicalGPUs(&phys, &cnt);
if (!ret == NVAPI_OK){
NvAPI_ShortString string;
NvAPI_GetErrorMessage(ret, string);
printf("NVAPI NvAPI_EnumPhysicalGPUs: %s\n", string);
}
NvAPI_ShortString name;
NV_GPU_THERMAL_SETTINGS thermal;
ret = NvAPI_GPU_GetFullName(phys, name);
if (!ret == NVAPI_OK){
NvAPI_ShortString string;
NvAPI_GetErrorMessage(ret, string);
printf("NVAPI NvAPI_GPU_GetFullName: %s\n", string);
}
printf("Name: %s\n", name);
thermal.version =NV_GPU_THERMAL_SETTINGS_VER;
ret = NvAPI_GPU_GetThermalSettings(phys,0, &thermal);
if (!ret == NVAPI_OK){
NvAPI_ShortString string;
NvAPI_GetErrorMessage(ret, string);
printf("NVAPI NvAPI_GPU_GetThermalSettings: %s\n", string);
}
printf("Temp: %l C\n", thermal.sensor[0].currentTemp);
return 0;
}
但是当我构建我的代码时,我收到了这些错误:
Error 28 error LNK2019: unresolved external symbol NvAPI_GPU_GetThermalSettings referenced in function...
Error 29 error LNK2019: unresolved external symbol NvAPI_GPU_GetFullName referenced in function...
和一些类似的错误。