code: def vips_bench(loops):
      range_it = range(loops)
  
      t0 = pyperf.perf_counter()
  
      for loops in range_it:
          im = pyvips.Image.new_from_file(
              "tmp/x.tif", access="sequential"
          )
  
          im = im.crop(100, 100, im.width - 200, im.height - 200)
          im = im.reduce(1.0 / 0.9, 1.0 / 0.9, kernel="linear")
          mask = pyvips.Image.new_from_array(
              [[-1, -1, -1], [-1, 16, -1], [-1, -1, -1]], scale=8
          )
          im = im.conv(mask, precision="integer")
  
          im.write_to_file("tmp/x2.tif")
  
      return pyperf.perf_counter() - t0
  
label_desc: Use image node_id 1 for calling a global function with example usage: vips_bench(loops) and returns: unknown