code: def test_parallel_read(self, tmpdir, single_submit, overlap_events):
      ref_file, _ = _do_ref_write(tmpdir)
  
      aio_buffer = torch.empty(
          IO_SIZE, dtype=torch.uint8, device="cpu"
      ).pin_memory()
      h = (
          AsyncIOBuilder()
          .load()
          .aio_handle(
              BLOCK_SIZE,
              QUEUE_DEPTH,
              single_submit,
              overlap_events,
              IO_PARALLEL,
          )
      )
  
      _validate_handle_state(h, single_submit, overlap_events)
  
      read_status = h.sync_pread(aio_buffer, ref_file)
      assert read_status == 1
  
      with open(ref_file, "rb") as f:
          ref_buffer = list(f.read())
      assert ref_buffer == aio_buffer.tolist()
  
imports: import pytest
  import os
  import filecmp
  import torch
  import deepspeed
  import deepspeed.comm
  from deepspeed.ops.aio import AsyncIOBuilder
  from unit.common import DistributedTest
label_desc: Use image node_id 1 for calling the TestRead obj's underlying member method code with example usage: obj.test_parallel_read(tmpdir, single_submit, overlap_events) without return types