Deleted the unused costutil code

Change: 114875394

1 files changed, 0 insertions, 34 deletions

diff --git a/tensorflow/core/graph/costutil.h b/tensorflow/core/graph/costutil.h
deleted file mode 100644
index d78160e78b..0000000000
--- a/tensorflow/core/graph/costutil.h
+++ /dev/null
@@ -1,34 +0,0 @@
-/* Copyright 2015 Google Inc. All Rights Reserved.
-
-Licensed under the Apache License, Version 2.0 (the "License");
-you may not use this file except in compliance with the License.
-You may obtain a copy of the License at
-
-    http://www.apache.org/licenses/LICENSE-2.0
-
-Unless required by applicable law or agreed to in writing, software
-distributed under the License is distributed on an "AS IS" BASIS,
-WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-See the License for the specific language governing permissions and
-limitations under the License.
-==============================================================================*/
-
-#ifndef TENSORFLOW_GRAPH_COSTUTIL_H_
-#define TENSORFLOW_GRAPH_COSTUTIL_H_
-
-#include <vector>
-#include "tensorflow/core/platform/types.h"
-
-namespace tensorflow {
-
-class CostModel;
-class Graph;
-
-// result[i] is an estimate of the longest execution path from
-// the node with id i to the sink node.
-std::vector<int64> LongestOutgoingPathCost(const Graph& graph,
-                                           const CostModel& cm);
-
-}  // namespace tensorflow
-
-#endif  // TENSORFLOW_GRAPH_COSTUTIL_H_