Imported Upstream version 0.2upstream/0.2submit/tizen/20180918.075952

1 files changed, 73 insertions, 0 deletions

diff --git a/runtimes/neurun/src/backend/cpu/TensorBuilder.cc b/runtimes/neurun/src/backend/cpu/TensorBuilder.cc
new file mode 100644
index 000000000..1b972a830
--- /dev/null
+++ b/runtimes/neurun/src/backend/cpu/TensorBuilder.cc
@@ -0,0 +1,73 @@
+/*
+ * Copyright (c) 2018 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.
+ */
+
+#include "TensorBuilder.h"
+
+#include <cassert>
+
+#include "operand/Object.h"
+
+namespace neurun
+{
+namespace backend
+{
+namespace cpu
+{
+
+TensorBuilder::TensorBuilder()
+{
+  // DO NOTHING
+}
+
+void TensorBuilder::mark(const ::neurun::graph::operand::Index &ind)
+{
+  assert(_tensors.size() == 0);
+
+  _inds.insert(ind);
+}
+
+void TensorBuilder::prepare(codegen::Plan &plan,
+                            const std::map<int, ::arm_compute::TensorInfo> &tensor_info_ctx)
+{
+  assert(_tensors.size() == 0);
+
+  for (auto ind_int : _inds)
+  {
+    ::neurun::graph::operand::Index ind{ind_int};
+    auto tensor = std::make_shared<operand::Tensor>(tensor_info_ctx.at(ind.asInt()));
+    // TODO Fix allocation here. When Tensor object is created the memory for tensor is also
+    //      allocated, and this must be fixed.
+    plan.operands().set(ind, std::make_shared<operand::Object>(tensor));
+    _tensors[ind] = tensor;
+  }
+}
+
+void TensorBuilder::allocate(void)
+{
+  assert(_inds.size() == _tensors.size());
+
+  // NOTE For now nothing to do. Allocation is done in prepare stage, which is wrong
+  //      See also: comment in `prepare()`
+}
+
+std::shared_ptr<operand::Tensor> TensorBuilder::at(const ::neurun::graph::operand::Index &ind)
+{
+  return _tensors.at(ind);
+}
+
+} // namespace cpu
+} // namespace backend
+} // namespace neurun