code: def main():
      parser = argparse.ArgumentParser("fftconv.py")
      parser.add_argument("-d", "--device", default="cpu")
      parser.add_argument("-b", "--block_ratio", default=5, type=float)
      args = parser.parse_args()
  
      table = MarkdownTable(
          ["Kernel size", "FFT (ms)", "No FFT (ms)", "  Delta"]
      )
      table.header()
  
      for kernel_size in [8, 32, 64, 128, 256, 1024, 2048]:
          test(
              table,
              kernel_size,
              block_ratio=args.block_ratio,
              device=args.device,
          )
  
imports: import argparse
  import torch
  from torch.nn import functional
  from julius import fft_conv1d
  from julius.utils import Chrono, MarkdownTable
label_desc: Use image node_id 2 for calling a global function with example usage: main() without return types