code: def optInit(self):
      if self.CPUPinn == True:
          cupy.cuda.set_allocator(my_pinned_allocator)
  
      self.CUPYcorpi = []
      for optVar in self.optVarList:
          self.CUPYcorpi.append(
              cupy.zeros(
                  shape=(self.total_classes, self.embed_dimension),
                  dtype=self.datatype,
              )
          )
  
      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 OptimizerFactory obj's underlying member method code with example usage: obj.optInit() without return types