I tried to load a PTX file into a module by the driver API, all things goes well until I want to launch it,
flag=cuLaunchGrid(vec,threadsPerGrid,1);
switch (flag)
{
case CUDA_SUCCESS:
printf("CUDA_SUCCESS: %d\n",CUDA_SUCCESS);
exit(0);
break;
case CUDA_ERROR_DEINITIALIZED:
printf("CUDA_ERROR_DEINITIALIZED: %d\n",CUDA_ERROR_DEINITIALIZED);
exit(0);
break;
case CUDA_ERROR_NOT_INITIALIZED:
printf("CUDA_ERROR_NOT_INITIALIZED: %d\n",CUDA_ERROR_NOT_INITIALIZED);
exit(0);
break;
case CUDA_ERROR_INVALID_CONTEXT:
printf("CUDA_ERROR_INVALID_CONTEXT: %d\n",CUDA_ERROR_INVALID_CONTEXT);
exit(0);
break;
case CUDA_ERROR_INVALID_VALUE:
printf("CUDA_ERROR_INVALID_VALUE: %d\n",CUDA_ERROR_INVALID_VALUE);
exit(0);
break;
case CUDA_ERROR_LAUNCH_INCOMPATIBLE_TEXTURING:
printf("CUDA_ERROR_LAUNCH_INCOMPATIBLE_TEXTURING: %d\n",CUDA_ERROR_LAUNCH_INCOMPATIBLE_TEXTURING);
exit(0);
break;
case CUDA_ERROR_NOT_FOUND:
printf("CUDA_ERROR_NOT_FOUND: %d\n",CUDA_ERROR_NOT_FOUND);
exit(0);
break;
case CUDA_ERROR_OUT_OF_MEMORY:
printf("CUDA_ERROR_OUT_OF_MEMORY: %d\n",CUDA_ERROR_OUT_OF_MEMORY);
exit(0);
break;
case CUDA_ERROR_FILE_NOT_FOUND :
printf("CUDA_ERROR_FILE_NOT_FOUND : %d\n",CUDA_ERROR_FILE_NOT_FOUND);
exit(0);
break;
default:
printf("flag: %d\n",flag);
exit(0);
}
The above codes are written to determine what the error is,
I got to default branch and flag is 400,why I got such a strange value,what does “400” mean???