code: def all_reduce(lbs):
      # TODO: replace this with ring reduce
      return [
          functools.reduce(
              lambda x, y: x.e(BinaryOps.ADD, y),
              [x.copy_to_device(lb.device) for x in lbs],
          )
          for lb in lbs
      ]
  
imports: from __future__ import annotations
  from typing import Optional, Union, Any, Tuple, List
  import functools
  from tinygrad.helpers import all_same, dedup, round_up, DEBUG
  from tinygrad.dtype import DType
  from tinygrad.ops import BinaryOps, LoadOps, UnaryOps, TernaryOps, ReduceOps
  from tinygrad.lazy import LazyBuffer, create_schedule
  from tinygrad.shape.shapetracker import ShapeTracker, sint
label_desc: Use image node_id 1 for calling a global function with example usage: all_reduce(lbs) and returns: unknown