def aligned_8k():
  """version for languagemodel_wiki_scramble8k50.

  languagemodel_wiki_scramble1k50, 1gpu, 7k steps: log(ppl)_eval = 2.93
  1.5 steps/sec on P100

  Returns:
    a hparams object
  """
  hparams = aligned_base()
  hparams.batch_size = 8192
  return hparams
version for languagemodel_wiki_scramble8k50.

  languagemodel_wiki_scramble1k50, 1gpu, 7k steps: log(ppl)_eval = 2.93
  1.5 steps/sec on P100

  Returns:
    a hparams object
  
tensor2tensor/models/research/aligned.py