chore: import upstream snapshot with attribution

libnd4j/include/graph/profiling/impl/GraphProfilingHelper.cpp

@@ -0,0 +1,68 @@
+/* ******************************************************************************
+ *
+ *
+ * This program and the accompanying materials are made available under the
+ * terms of the Apache License, Version 2.0 which is available at
+ * https://www.apache.org/licenses/LICENSE-2.0.
+ *
+ *  See the NOTICE file distributed with this work for additional
+ *  information regarding copyright ownership.
+ * 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.
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ ******************************************************************************/
+
+//
+// Created by raver119 on 21.02.18.
+//
+#include <graph/GraphExecutioner.h>
+#include <graph/profiling/GraphProfilingHelper.h>
+
+namespace sd {
+namespace graph {
+GraphProfile *GraphProfilingHelper::profile(Graph *graph, int iterations) {
+  // saving original workspace
+  auto varSpace = graph->getVariableSpace()->clone();
+
+  // printing out graph structure
+
+  // warm up
+  for (int e = 0; e < iterations; e++) {
+    FlowPath fp;
+
+    auto _vs = varSpace->clone();
+    _vs->setFlowPath(&fp);
+    GraphExecutioner::execute(graph, _vs);
+
+    delete _vs;
+  }
+
+  auto profile = new GraphProfile();
+  for (int e = 0; e < iterations; e++) {
+    FlowPath fp;
+
+    // we're always starting from "fresh" varspace here
+    auto _vs = varSpace->clone();
+    //_vs->workspace()->expandTo(100000);
+    _vs->setFlowPath(&fp);
+    GraphExecutioner::execute(graph, _vs);
+
+    auto p = fp.profile();
+    if (e == 0)
+      profile->assign(p);
+    else
+      profile->merge(p);
+
+    delete _vs;
+  }
+
+  delete varSpace;
+
+  return profile;
+}
+}  // namespace graph
+}  // namespace sd