code: def round_next_pow2(v):
      v -= np.uint32(1)
      v |= v >> np.uint32(1)
      v |= v >> np.uint32(2)
      v |= v >> np.uint32(4)
      v |= v >> np.uint32(8)
      v |= v >> np.uint32(16)
      v += np.uint32(1)
      return v
  
file_path: byteps/tests/test_dithering.py
imports: import copy
  import itertools
  import unittest
  import byteps.mxnet
  import mxnet
  import mxnet.ndarray
  import numpy
  from gluoncv.model_zoo import get_model
  from mxnet import autograd, gluon
  from numba import jit
  from parameterized import parameterized
  from tqdm import tqdm
  from meta_test import MetaTest
  from utils import bernoulli, fake_data
label_desc: Use image node_id 1 for calling a global function with example usage: round_next_pow2(v) and returns: v