--- /dev/null
+/*
+ * 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.
+ */
+
+#include "NodeExecution.h"
+#include "NodeDataImpl.h"
+#include "NodeDomain.h"
+#include "Validation.h"
+
+#include <nncc/core/ADT/tensor/Shape.h>
+#include <nncc/core/ADT/tensor/Buffer.h>
+#include <nncc/core/ADT/tensor/Index.h>
+#include <nncc/core/ADT/tensor/IndexEnumerator.h>
+#include <nncc/core/ADT/tensor/LexicalLayout.h>
+
+using nncc::core::ADT::tensor::Index;
+using nncc::core::ADT::tensor::IndexEnumerator;
+using nncc::core::ADT::tensor::LexicalLayout;
+using nncc::core::ADT::tensor::make_buffer;
+using nncc::core::ADT::tensor::Shape;
+using nncc::core::ADT::tensor::Buffer;
+
+#include <cassert>
+#include <stdexcept>
+
+namespace
+{
+
+Index reduced_index(const Index &index, const loco::TensorAxisSet &axes)
+{
+ Index r_index;
+
+ r_index.resize(index.rank());
+ for (uint32_t i = 0; i < index.rank(); ++i)
+ r_index.at(i) = (axes.defined(i)) ? 0 : index.at(i);
+
+ return r_index;
+}
+
+Shape reduced_shape(const Shape &shape, const loco::TensorAxisSet &axes)
+{
+ Shape r_shape;
+
+ r_shape.resize(shape.rank());
+ for (uint32_t i = 0; i < shape.rank(); ++i)
+ r_shape.dim(i) = (axes.defined(i)) ? 1 : shape.dim(i);
+
+ return r_shape;
+}
+
+} // namespace
+
+namespace
+{
+
+template <typename T, loco::ReduceFunc F> struct ReduceFunction
+{
+ static void apply(Buffer<T> &lhs, const Buffer<T> &rhs, const loco::TensorAxisSet &axes)
+ {
+ throw std::runtime_error("Not supported ReduceFunc type");
+ }
+};
+
+template <typename T> struct ReduceFunction<T, loco::ReduceFunc::Mean>
+{
+ static void apply(Buffer<T> &lhs, const Buffer<T> &rhs, const loco::TensorAxisSet &axes)
+ {
+ for (IndexEnumerator e{rhs.shape()}; e.valid(); e.advance())
+ {
+ const auto &index = e.current();
+ const auto r_index = reduced_index(index, axes);
+
+ lhs.at(r_index) += rhs.at(index);
+ }
+
+ uint32_t r_cnt = 1;
+ for (uint32_t i = 0; i < rhs.shape().rank(); ++i)
+ if (axes.defined(i))
+ r_cnt *= rhs.shape().dim(i);
+
+ for (IndexEnumerator e{lhs.shape()}; e.valid(); e.advance())
+ {
+ const auto &index = e.current();
+ lhs.at(index) /= static_cast<T>(r_cnt);
+ }
+ }
+};
+
+template <typename T>
+void apply(Buffer<T> &lhs, const Buffer<T> &rhs, const loco::TensorReduce &node)
+{
+ switch (node.func())
+ {
+ case loco::ReduceFunc::Mean:
+ ReduceFunction<T, loco::ReduceFunc::Mean>::apply(lhs, rhs, *node.axes());
+ break;
+
+ // TODO Support more ReduceFunc type
+ default:
+ break;
+ }
+}
+
+} // namespace
+
+namespace locomotiv
+{
+
+void NodeExecution::execute(loco::TensorReduce *node)
+{
+ auto input_data = annot_data(node->input());
+ auto input_shape = input_data->shape();
+
+ validate(input_data, "Input not ready");
+ validate(annot_domain(node->input()) == loco::Domain::Tensor,
+ "Input domain of TensorReduce is not Tensor");
+
+ std::unique_ptr<NodeData> reduce_data = nullptr;
+ Shape r_shape = reduced_shape(*input_shape, *node->axes());
+ switch (input_data->dtype())
+ {
+ case loco::DataType::FLOAT32:
+ {
+ auto input_bufptr = input_data->as_f32_bufptr();
+ auto reduce_buf = make_buffer<float, LexicalLayout>(r_shape);
+
+ apply(reduce_buf, *input_bufptr, *node);
+
+ reduce_data = make_data(reduce_buf);
+ break;
+ }
+ default:
+ throw std::runtime_error("NYI for this DataType");
+ }
+
+ assert(reduce_data != nullptr);
+ annot_data(node, std::move(reduce_data));
+ annot_domain(node, annot_domain(node->input()));
+}
+
+} // namespace locomotiv
--- /dev/null
+/*
+ * 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.
+ */
+
+#include "NodeExecution.h"
+
+#include "locomotiv/NodeData.h"
+#include "NodeDataImpl.h"
+#include "NodeDomain.h"
+
+#include <nncc/core/ADT/tensor/Index.h>
+#include <nncc/core/ADT/tensor/Shape.h>
+#include <nncc/core/ADT/tensor/Buffer.h>
+#include <nncc/core/ADT/tensor/LexicalLayout.h>
+
+#include <gtest/gtest.h>
+
+using nncc::core::ADT::tensor::Index;
+using nncc::core::ADT::tensor::Shape;
+using nncc::core::ADT::tensor::LexicalLayout;
+using nncc::core::ADT::tensor::make_buffer;
+
+TEST(NodeExecution_Fixed_Reduce_Mean, f32_0)
+{
+ // Make pull-TensorReduce(Mean) graph
+ auto g = loco::make_graph();
+ auto pull_input = g->nodes()->create<loco::Pull>();
+ pull_input->dtype(loco::DataType::FLOAT32);
+ pull_input->shape({1, 2, 2});
+ auto reduce_node = g->nodes()->create<loco::TensorReduce>();
+ reduce_node->input(pull_input);
+ reduce_node->axes()->insert(0);
+ reduce_node->axes()->insert(1);
+ reduce_node->func(loco::ReduceFunc::Mean);
+
+ // Make and assign data to pull node
+ auto pull_input_buf = make_buffer<float, LexicalLayout>({1, 2, 2});
+ pull_input_buf.at(Index{0, 0, 0}) = 1.1f;
+ pull_input_buf.at(Index{0, 0, 1}) = 2.2f;
+ pull_input_buf.at(Index{0, 1, 0}) = 5.5f;
+ pull_input_buf.at(Index{0, 1, 1}) = 6.6f;
+ auto pull_input_data = locomotiv::make_data(pull_input_buf);
+ locomotiv::annot_data(pull_input, std::move(pull_input_data));
+ locomotiv::annot_domain(pull_input, loco::Domain::Tensor);
+
+ locomotiv::NodeExecution::get().run(reduce_node);
+
+ auto kShape = Shape{1, 1, 2};
+ auto reduce_data = locomotiv::annot_data(reduce_node);
+ ASSERT_NE(reduce_data, nullptr);
+ ASSERT_EQ(reduce_data->dtype(), loco::DataType::FLOAT32);
+ ASSERT_EQ(*(reduce_data->shape()), kShape);
+ ASSERT_FLOAT_EQ(reduce_data->as_f32_bufptr()->at(Index{0, 0, 0}), 3.3f);
+ ASSERT_FLOAT_EQ(reduce_data->as_f32_bufptr()->at(Index{0, 0, 1}), 4.4f);
+
+ ASSERT_EQ(locomotiv::annot_domain(reduce_node), loco::Domain::Tensor);
+}
+
+TEST(NodeExecution_Fixed_Reduce_Mean, f32_1)
+{
+ // Make pull-TensorReduce(Mean) graph
+ auto g = loco::make_graph();
+ auto pull_input = g->nodes()->create<loco::Pull>();
+ pull_input->dtype(loco::DataType::FLOAT32);
+ pull_input->shape({1, 2, 2});
+ auto reduce_node = g->nodes()->create<loco::TensorReduce>();
+ reduce_node->input(pull_input);
+ reduce_node->axes()->insert(1);
+ reduce_node->axes()->insert(2);
+ reduce_node->func(loco::ReduceFunc::Mean);
+
+ // Make and assign data to pull node
+ auto pull_input_buf = make_buffer<float, LexicalLayout>({1, 2, 2});
+ pull_input_buf.at(Index{0, 0, 0}) = 1.1f;
+ pull_input_buf.at(Index{0, 0, 1}) = 2.2f;
+ pull_input_buf.at(Index{0, 1, 0}) = 5.5f;
+ pull_input_buf.at(Index{0, 1, 1}) = 6.6f;
+ auto pull_input_data = locomotiv::make_data(pull_input_buf);
+ locomotiv::annot_data(pull_input, std::move(pull_input_data));
+ locomotiv::annot_domain(pull_input, loco::Domain::Tensor);
+
+ locomotiv::NodeExecution::get().run(reduce_node);
+
+ auto kShape = Shape{1, 1, 1};
+ auto reduce_data = locomotiv::annot_data(reduce_node);
+ ASSERT_NE(reduce_data, nullptr);
+ ASSERT_EQ(reduce_data->dtype(), loco::DataType::FLOAT32);
+ ASSERT_EQ(*(reduce_data->shape()), kShape);
+ ASSERT_FLOAT_EQ(reduce_data->as_f32_bufptr()->at(Index{0, 0, 0}), 3.85f);
+
+ ASSERT_EQ(locomotiv::annot_domain(reduce_node), loco::Domain::Tensor);
+}