code: def coalesce(self, thread_count):
      return _int_ceiling(thread_count, 16)
  
imports: import pycuda.driver
  import pycuda._driver
  import numpy
  from pycuda.compyte.dtypes import register_dtype, get_or_register_dtype, _fill_dtype_registry, dtype_to_ctype
label_desc: Use image node_id 6 for calling the DeviceData obj's underlying member method code with example usage: obj.coalesce(thread_count) and returns: _int_ceiling