code: def test_serialize_deserialize_sparse_large():
      n = 100000000
      x = np.arange(n)
      data = np.ones(n, dtype=np.int16)
  
      s = sparse.COO([x], data)
  
      header, frames = serialize(s)
  
      s2 = deserialize(header, frames)
  
imports: from __future__ import annotations
  import pytest
  from distributed.protocol import deserialize, serialize
label_desc: Use image node_id 2 for calling a global function with example usage: test_serialize_deserialize_sparse_large() without return types