code: def __init__(self, size, itemsize, dtype):
      self._shape = (size,)
      self._strides = (itemsize,)
      self._typestr = dtype.str
      self._ptr = drv.mem_alloc(size * itemsize)
  
imports: import numpy
  import numpy.linalg
  from pycuda.tools import mark_cuda_test, dtype_to_ctype
  import pytest
  import pycuda.gpuarray
  import pycuda.driver
  from pycuda.compiler import SourceModule
label_desc: Use image node_id 1 to create a new CudaArrayInterfaceImpl object  with example: obj = CudaArrayInterfaceImpl(size, itemsize, dtype)