code: def release_buffers(self):
      self._report_statistics("Swapped out[Before flush]")
      self._flush_buffers_until_complete()
      self._report_statistics("Swapped out[After flush]")
  
      pinned_buffers = [buf.buffer for buf in self.all_buffers]
      self.all_buffers = []
      self.free_buffer_index = []
      self.current_buffer_index = INVALID_BUFFER_INDEX
      self.num_elements_swapped = 0
      self.dtype = None
  
      return pinned_buffers
  
imports: import torch
  from deepspeed import comm
  from deepspeed.utils.logging import logger
  from deepspeed.runtime.swap_tensor.utils import swap_out_tensors, SwapBuffer
label_desc: Use image node_id 5 for calling the AsyncTensorSwapper obj's underlying member method code with example usage: obj.release_buffers() and returns: pinned_buffers