code: def sign(x, y):
      if x > y:
          return 1
      elif x < y:
          return -1
      else:
          return 0
  
file_path: lightseq/lightseq/training/ops/pytorch/gemm_test.py
imports: import os
  import functools
  from dataclasses import dataclass
  from copy import deepcopy
  from tqdm import tqdm
  from lightseq.training.ops.pytorch.builder import KernelBuilder
label_desc: Use image node_id 4 for calling a global function with example usage: sign(x, y) and returns: int, unknown, int