From a99bb03830c22556da9844a0affcd96dce2d756f Mon Sep 17 00:00:00 2001
From: Mike J Innes <mike.j.innes@gmail.com>
Date: Sun, 30 Oct 2016 10:55:07 +0000
Subject: [PATCH] gradients are slow

---
 src/backend/tensorflow/recurrent.jl | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/backend/tensorflow/recurrent.jl b/src/backend/tensorflow/recurrent.jl
index bc75e760..23afa265 100644
--- a/src/backend/tensorflow/recurrent.jl
+++ b/src/backend/tensorflow/recurrent.jl
@@ -18,7 +18,7 @@ function tf(model::Flux.Unrolled)
   SeqModel(
     Model(model, sess, params,
           [instates..., input], [outstates..., output],
-          [gradients(output, input)]),
+          [placeholder(Float32)]),
     batchone.(model.state))
 end