code: def zerosInit(self):
      # Initialize the memmap with just zeros
      if self.CPUPinn == True:
          cupy.cuda.set_allocator(my_pinned_allocator)
      self._preInit()
      self.CUPYmemmap = cupy.load(
          self.fileName + ".cpy.npy", mmap_mode="r+"
      )
      if self.CPUPinn == True:
          cupy.cuda.set_allocator(None)
  
imports: import numpy
  import cupy
  import torch
  import os
  from torch.utils.dlpack import to_dlpack
  from torch.utils.dlpack import from_dlpack
label_desc: Use image node_id 2 for calling the ModelFactoryMM obj's underlying member method code with example usage: obj.zerosInit() without return types