Data parallel CIFAR parameters.

def mtf_image_transformer_base_cifar():
  """Data parallel CIFAR parameters."""
  hparams = mtf_image_transformer_base()
  hparams.mesh_shape = "batch:8"
  hparams.layout = "batch:batch"
  hparams.learning_rate_decay_steps = 13600  # one epoch
  hparams.batch_size = 32
  hparams.num_heads = 4
  hparams.num_decoder_layers = 12
  hparams.block_length = 256
  hparams.hidden_size = 512
  hparams.d_ff = 2048
  hparams.learning_rate = 0.5
  hparams.layer_preprocess_sequence = "none"
  hparams.layer_postprocess_sequence = "dan"
  hparams.layer_prepostprocess_dropout = 0.3
  hparams.unconditional = True
  return hparams