[neurun] Introduce ITensorManager to be used as MemoryManager (#7048)

Introduce ITensorManager to be used as MemoryManager instead of existing
MemoryManager in the future.

Signed-off-by: Yongseop Kim <yons.kim@samsung.com>

diff --git a/runtimes/neurun/core/include/backend/ITensorManager.h b/runtimes/neurun/core/include/backend/ITensorManager.h
new file mode 100644 (file)
index 0000000..43fafe7
--- /dev/null
+++ b/runtimes/neurun/core/include/backend/ITensorManager.h
@@ -0,0 +1,55 @@
+/*
+ * Copyright (c) 2019 Samsung Electronics Co., Ltd. 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 __NEURUN_BACKEND_ITENSOR_MANAGER_H__
+#define __NEURUN_BACKEND_ITENSOR_MANAGER_H__
+
+namespace neurun
+{
+namespace backend
+{
+
+// TODO Replace existing MemoryManager which TensorBuilder uses by this
+/**
+ * @brief Interface as an abstract tensor manager which has MemoryManager
+ */
+struct ITensorManager
+{
+  virtual ~ITensorManager() = default;
+
+  virtual void allocateConsts(void) = 0;
+  virtual void allocateNonconsts(void) = 0;
+  virtual void deallocateConsts(void) = 0;
+  virtual void deallocateNonconsts(void) = 0;
+};
+
+} // namespace backend
+} // namespace neurun
+
+#include <unordered_set>
+#include <memory>
+
+namespace neurun
+{
+namespace backend
+{
+
+using TensorManagerSet = std::unordered_set<std::unique_ptr<backend::ITensorManager>>;
+
+} // namespace backend
+} // namespace neurun
+
+#endif // __NEURUN_BACKEND_ITENSOR_MANAGER_H__