code: def _mark_as_occupied(self, address, size):
      available_contiguous_size = self.contiguous_sizes[address]
      del self.contiguous_sizes[address]
  
      if available_contiguous_size != size:
          self.contiguous_sizes[address + size] = (
              available_contiguous_size - size
          )
  
      self.largest_contiguous = self._largest_contiguous()
  
imports: import torch
  from deepspeed import comm
label_desc: Use image node_id 17 for calling the ContiguousMemoryAllocator obj's underlying member method code with example usage: obj._mark_as_occupied(address, size) without return types