class_docstr: Generation stats, split by phases.
code: def __init__(self):
      self.phases = []
      self.current = None
  
file_path: xformers/examples/llama_inference/stats.py
imports: import time
  from dataclasses import dataclass
  from typing import Optional
label_desc: Use image node_id 1 to create a new Stats object  with example: obj = Stats()