code: def calculate_padding(numel, unit_size):
      remainder = numel % unit_size
      return unit_size - remainder if remainder else remainder
  
file_path: colossalai/colossalai/zero/low_level/_utils.py
imports: import math
  from typing import Optional
  import torch
  import torch.distributed
  from torch._utils import _flatten_dense_tensors, _unflatten_dense_tensors
label_desc: Use image node_id 4 for calling a global function with example usage: calculate_padding(numel, unit_size) and returns: unknown