class_docstr: Accuracy for 2p5D parallelism
code: def __init__(self):
      super().__init__()
  
file_path: colossalai/colossalai/legacy/nn/metric/accuracy_2p5d.py
imports: import torch
  from torch import nn
  from colossalai.legacy.nn.layer.parallel_2p5d import reduce_by_batch_2p5d, split_batch_2p5d
  from ._utils import calc_acc
label_desc: Use image node_id 1 to create a new Accuracy2p5D object from inherited base classes: nn with example: obj = Accuracy2p5D()