code: def setup(self, mode, boundary):
      rng = np.random.default_rng(1234)
      # sample a bunch of pairs of 2d arrays
      pairs = []
      for ma, na, mb, nb in product((8, 13, 30, 36), repeat=4):
          a = rng.standard_normal((ma, na))
          b = rng.standard_normal((mb, nb))
          pairs.append((a, b))
      self.pairs = pairs
  
imports: from itertools import product
  import numpy
  from .common import Benchmark, safe_import
label_desc: Use image node_id 1 for calling the Convolve2D obj's underlying member method code with example usage: obj.setup(mode, boundary) without return types