[GitHub] ashokei commented on a change in pull request #12502: [NGRAPH] MXNet - nGraph initial integration

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ashokei commented on a change in pull request #12502: [NGRAPH] MXNet - nGraph initial integration
URL: https://github.com/apache/incubator-mxnet/pull/12502#discussion_r221500677
 
 

 ##########
 File path: src/operator/contrib/ngraph-inl.h
 ##########
 @@ -0,0 +1,158 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you 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.
+ */
+
+/*!
+ * Copyright (c) 2018 Intel Corporation
+ * \file ngraph.cc
+ * \brief ngraph subgraph property for mxnet
+*/
+
+#ifndef MXNET_OPERATOR_CONTRIB_NGRAPH_INL_H_
+#define MXNET_OPERATOR_CONTRIB_NGRAPH_INL_H_
+
+#if MXNET_USE_NGRAPH
+#include <ngraph_compiler.h>
+#include <ngraph_imperative.h>
+#include <ngraph_nnvm_ops.h>
+#include <ngraph_utils.h>
+
+#include <vector>
+
+#include "../subgraph/common.h"
+#include "../subgraph/subgraph_property.h"
+
+namespace mxnet {
+namespace op {
+
+// when built with NGRAPH we use this subgraph by default
+static int ngraph_backend = setenv("MXNET_SUBGRAPH_BACKEND", "ngraph", 0);
 
 Review comment:
   This also forces all CI/tests by default to exercise `MXNET_SUBGRAPH_BACKEND=ngraph` , when mxnet is build with `USE_NGRAPH`. User is expected to use this subgraph (`ngraph`), if they build with it.

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