code: def _convolve1d2o(self, in1, in2):
      dtype = in1.dtype
      W, H = in2.shape
      size = in1.shape[0] - max(W, H) + 1
      s = numpy.dtype(dtype).itemsize
      from numpy.lib.stride_tricks import as_strided
  
      X = as_strided(in1, (size, W), (s, s))[:, ::-1]
      Y = as_strided(in1, (size, H), (s, s))[:, ::-1]
      return numpy.einsum("ix,iy,xy->i", X, Y, in2)
  
file_path: cupy/tests/cupyx_tests/signal_tests/convolution_tests/test_convolve.py
imports: import numpy
  import pytest
  import cupy
  from cupy import testing
  from cupyx import signal
label_desc: Use image node_id 1 for calling the TestConvolve1d2o obj's underlying member method code with example usage: obj._convolve1d2o(in1, in2) and returns: numpy