1 files changed, 39 insertions, 0 deletions
diff --git a/tensorflow/contrib/tensorrt/resources/trt_resource_manager.cc b/tensorflow/contrib/tensorrt/resources/trt_resource_manager.cc
new file mode 100644
index 0000000000..e663eed4dd
--- /dev/null
+++ b/tensorflow/contrib/tensorrt/resources/trt_resource_manager.cc
@@ -0,0 +1,39 @@
+/* Copyright 2018 The TensorFlow Authors. 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.
+==============================================================================*/
+
+#include "tensorflow/contrib/tensorrt/resources/trt_resource_manager.h"
+#include "tensorflow/core/platform/logging.h"
+
+namespace tensorflow {
+namespace tensorrt {
+
+std::shared_ptr<tensorflow::ResourceMgr>
+tensorflow::tensorrt::TRTResourceManager::getManager(const string& op_name) {
+  // mutex is held for lookup only. Most instantiations where mutex will be held
+  // longer will be during op creation and should be ok.
+  tensorflow::mutex_lock lock(map_mutex_);
+  auto s = managers_.find(op_name);
+  if (s == managers_.end()) {
+    auto it = managers_.emplace(
+        op_name, std::make_shared<tensorflow::ResourceMgr>(op_name));
+    VLOG(1) << "Returning a new manager " << op_name;
+    return it.first->second;
+  }
+  VLOG(1) << "Returning old manager " << op_name;
+  return s->second;
+}
+
+}  // namespace tensorrt
+}  // namespace tensorflow