def aligned_no_timing():
  """No timing signal.

  languagemodel_wiki_scramble1k50, 1gpu, 7k steps: log(ppl)_eval = 2.75
  12.3 steps/sec on P100
  8gpu (8x batch), 7k steps: log(ppl)_eval = 2.39

  Returns:
    a hparams object
  """
  hparams = aligned_base()
  hparams.layers = "conv,att,ffn," * 2
  return hparams
No timing signal.

  languagemodel_wiki_scramble1k50, 1gpu, 7k steps: log(ppl)_eval = 2.75
  12.3 steps/sec on P100
  8gpu (8x batch), 7k steps: log(ppl)_eval = 2.39

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