From ffae7fa1baf756e5ed36a44274c799a537bbd6c2 Mon Sep 17 00:00:00 2001
From: Yan Wan <ywanad@connect.ust.hk>
Date: Thu, 6 Jul 2017 15:37:28 +0800
Subject: [PATCH] optimize GRU by pre-calculating three linear operations
 (#1150)

* add preTopology for GRU

optimize GRU

* remove revisions in peephole

* pass dropout test

* add speed test

* remove unnecessary variables; judge preTopology == Sequential

* add comment