python_vali.PySurfaceDownloader

class python_vali.PySurfaceDownloader

This class is used to copy Surface to numpy ndarray using CUDA DtoH memcpy.

__init__(*args, **kwargs)

Overloaded function.

1. __init__(self: python_vali._python_vali.PySurfaceDownloader, gpu_id: int) -> None

   Constructor method.

   param gpu_id:

   what GPU does Surface belong to

2. __init__(self: python_vali._python_vali.PySurfaceDownloader, stream: int) -> None

   Constructor method.

   param stream:

   CUDA stream to use for HtoD memcopy

Methods

Run(self, src, dst)	Perform DtoH memcpy.
__init__(*args, **kwargs)	Overloaded function.

Run(self: python_vali._python_vali.PySurfaceDownloader, src: VPF::Surface, dst: numpy.ndarray) → Tuple[bool, python_vali._python_vali.TaskExecInfo]

Perform DtoH memcpy.

Parameters:

• src (Surface) – input Surface

• dst (numpy.ndarray) – output numpy array

Returns:

tuple containing: success (Bool) True in case of success, False otherwise. info (TaskExecInfo) task execution information.

Return type:

tuple