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Diffstat (limited to 'src/graph2/mutators/NodeFusionMutator.cpp')
-rw-r--r--src/graph2/mutators/NodeFusionMutator.cpp96
1 files changed, 0 insertions, 96 deletions
diff --git a/src/graph2/mutators/NodeFusionMutator.cpp b/src/graph2/mutators/NodeFusionMutator.cpp
deleted file mode 100644
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--- a/src/graph2/mutators/NodeFusionMutator.cpp
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-/*
- * Copyright (c) 2018 ARM Limited.
- *
- * SPDX-License-Identifier: MIT
- *
- * Permission is hereby granted, free of charge, to any person obtaining a copy
- * of this software and associated documentation files (the "Software"), to
- * deal in the Software without restriction, including without limitation the
- * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
- * sell copies of the Software, and to permit persons to whom the Software is
- * furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be included in all
- * copies or substantial portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
- * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
- * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
- * SOFTWARE.
- */
-#include "arm_compute/graph2/mutators/NodeFusionMutator.h"
-
-#include "arm_compute/graph2/Graph.h"
-#include "arm_compute/graph2/Logger.h"
-#include "arm_compute/graph2/nodes/Nodes.h"
-
-#include "arm_compute/core/utils/misc/Cast.h"
-
-namespace arm_compute
-{
-namespace graph2
-{
-namespace detail
-{
-void fuse_batch_norm_with_activation(Graph &g)
-{
- // Not interested in the order of nodes
- for(auto &node : g.nodes())
- {
- // Check if the node is batch norm and not a branching node
- if(node && node->type() == NodeType::BatchNormalizationLayer && node->output_edges().size() == 1)
- {
- auto output_edge_id = *node->output_edges().begin();
- auto output_edge = g.edge(output_edge_id);
- // Check if following node is an activation layer node
- if((output_edge != nullptr) && (output_edge->consumer() != nullptr) && (output_edge->consumer()->type() == NodeType::ActivationLayer))
- {
- ARM_COMPUTE_LOG_GRAPH_VERBOSE("Fusing Batch Normalization node with ID : " << output_edge->producer_id()
- << " with Activation Layer node with ID : " << output_edge->consumer_id() << std::endl);
-
- auto *bn_node = arm_compute::utils::cast::polymorphic_downcast<BatchNormalizationLayerNode *>(output_edge->producer());
- auto *act_node = arm_compute::utils::cast::polymorphic_downcast<ActivationLayerNode *>(output_edge->consumer());
-
- // Get driving nodes of activation node
- std::vector<NodeIdxPair> act_driving_nodes;
- for(auto &act_output_edge_id : act_node->output_edges())
- {
- auto act_output_edge = g.edge(act_output_edge_id);
- if(act_output_edge != nullptr)
- {
- ARM_COMPUTE_ERROR_ON(act_output_edge->consumer() == nullptr);
- act_driving_nodes.push_back({ act_output_edge->consumer_id(), act_output_edge->consumer_idx() });
- }
- }
-
- // Set activation info to batch normalization
- bn_node->set_fused_activation(act_node->activation_info());
-
- // Remove activation node
- g.remove_node(act_node->id());
-
- // Update batch normalization node outputs
- for(auto &driving_node : act_driving_nodes)
- {
- g.add_connection(bn_node->id(), 0, driving_node.node_id, driving_node.index);
- }
- }
- }
- }
-}
-} // namespace detail
-
-const char *NodeFusionMutator::name()
-{
- return "NodeFusionMutator";
-}
-
-void NodeFusionMutator::mutate(Graph &g)
-{
- detail::fuse_batch_norm_with_activation(g);
-}
-} // namespace graph2
-} // namespace arm_compute