Make default Parallelism in T2TModel reusing (removes "parallel_0" from variable names in colab).

Lukasz Kaiser · Ryan Sepassi · commit 2ca323258381 · 2017-11-29T13:37:38.000-08:00
PiperOrigin-RevId: 177265031
diff --git a/tensor2tensor/utils/t2t_model.py b/tensor2tensor/utils/t2t_model.py
@@ -75,7 +75,7 @@ def __init__(self,
     super(T2TModel, self).__init__(
         trainable=mode == tf.estimator.ModeKeys.TRAIN, name=name)
     if data_parallelism is None:
-      data_parallelism = eu.Parallelism([""])
+      data_parallelism = eu.Parallelism([""], reuse=True)
     if ps_devices is None:
       ps_devices = [""]
     if problem_hparams is None:
