Use suffix instead of prefix for nodes added by layout optimizer so that
authorYao Zhang <yaozhang@google.com>
Mon, 8 Jan 2018 19:26:11 +0000 (11:26 -0800)
committerTensorFlower Gardener <gardener@tensorflow.org>
Mon, 8 Jan 2018 19:29:32 +0000 (11:29 -0800)
commitc7231c2f10a96b43bdb1e605dd7b1a5a0d8c1f0e
treefb8bbee730c1b28646aa3248a1df01aeff706959
parentb3a4005279175a61894f72345976bacbd91cae46
Use suffix instead of prefix for nodes added by layout optimizer so that
tensorboard graph organization is preserved.

PiperOrigin-RevId: 181192261
tensorflow/core/grappler/optimizers/layout_optimizer.cc
tensorflow/core/grappler/optimizers/layout_optimizer_test.cc
tensorflow/python/grappler/layout_optimizer_test.py