code: def _io_aligned_numel(self, numel):
      remainder = numel % self.numel_alignment
      return (
          numel
          if remainder == 0
          else (numel + self.numel_alignment - remainder)
      )
  
imports: import os
  import torch
  from deepspeed import comm
  from deepspeed.utils.logging import logger
  from deepspeed.runtime.swap_tensor.constants import *
  from deepspeed.runtime.swap_tensor.utils import swap_in_tensors, swap_out_tensors, MIN_AIO_BYTES, AIO_ALIGNED_BYTES, get_sized_buffers
  from deepspeed.runtime.swap_tensor.utils import SwapBufferManager, SwapBufferPool
label_desc: Use image node_id 24 for calling the OptimizerSwapper obj's underlying member method code with example usage: obj._io_aligned_numel(numel) and returns: unknown