Tao Luo
6 years ago
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GitHub
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// Copyright (c) 2018 PaddlePaddle Authors. All Rights Reserved.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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#include <string>
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#include "paddle/fluid/framework/ir/conv_elementwise_add2_act_fuse_pass.h"
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namespace paddle {
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namespace framework {
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namespace ir {
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#define GET_IR_NODE(node__) GET_IR_NODE_FROM_SUBGRAPH(node__, node__, pattern);
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#define GET_NODES \
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GET_IR_NODE(conv_op); \
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GET_IR_NODE(conv_out); \
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GET_IR_NODE(conv_filter); \
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GET_IR_NODE(elementwise_add_op); \
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GET_IR_NODE(elementwise_add_in_y); \
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GET_IR_NODE(elementwise_add_out); \
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GET_IR_NODE(elementwise_add_op_1); \
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GET_IR_NODE(elementwise_add_in_y_1); \
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GET_IR_NODE(elementwise_add_out_1); \
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GET_IR_NODE(act_op); \
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GET_IR_NODE(act_out);
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// Inherient the basic infomation from `base_desc`, and modify some fields.
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framework::proto::OpDesc PrepareOpDesc(
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const framework::proto::OpDesc& base_desc, const std::string& bias,
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const std::string& bias1, const std::string& activation,
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const std::string& output) {
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auto proto = base_desc;
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framework::OpDesc desc(proto, nullptr);
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desc.SetInput("Bias", {bias});
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desc.SetInput("ResidualData", {bias1});
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desc.SetAttr("activation", activation);
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desc.SetOutput("Output", {output});
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desc.SetAttr("is_test", true);
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desc.SetAttr("use_cudnn", false);
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return *desc.Proto();
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}
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void ConvElementwiseAddActFusePass::ApplyImpl(ir::Graph* graph) const {
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const std::string pattern_name = "conv_elementwise_add_act_fuse";
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FusePassBase::Init(pattern_name, graph);
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GraphPatternDetector gpd;
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auto* x = gpd.mutable_pattern()->NewNode("x")->AsInput()->assert_is_op_input(
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"conv2d", "Input");
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patterns::ConvElementwiseaddAct pattern(gpd.mutable_pattern(), pattern_name);
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pattern(x);
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auto handler = [&](const GraphPatternDetector::subgraph_t& subgraph,
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Graph* g) {
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GET_NODES;
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auto base_op_desc = *conv_op->Op()->Proto();
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std::string bias_name = elementwise_add_in_y->Name();
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std::string bias1_name = elementwise_add_in_y_1->Name();
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std::string act_op_type = act_op->Op()->Type();
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std::string act_op_out = act_out->Name();
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auto new_op_proto = PrepareOpDesc(base_op_desc, bias_name, bias1_name,
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act_op_type, act_op_out);
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framework::OpDesc new_op_desc(new_op_proto, nullptr);
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// Create a new node for the fused op.
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auto new_conv_op = graph->CreateOpNode(&new_op_desc);
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// Link inputs and outputs.
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PADDLE_ENFORCE(subgraph.count(x));
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auto* conv_in_node = subgraph.at(x);
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IR_NODE_LINK_TO(conv_in_node, new_conv_op); // Input
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IR_NODE_LINK_TO(conv_filter, new_conv_op); // Filter
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IR_NODE_LINK_TO(elementwise_add_in_y, new_conv_op); // Bias
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IR_NODE_LINK_TO(elementwise_add_in_y_1, new_conv_op); // ResidualData
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IR_NODE_LINK_TO(new_conv_op, act_out); // Output
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// Delete the unneeded nodes.
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GraphSafeRemoveNodes(graph.get(),
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{conv_op, elementwise_add_op, elementwise_add_op_1,
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elementwise_add_out});
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};
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gpd(graph.get(), handler);
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}
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} // namespace ir
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} // namespace framework
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} // namespace paddle
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REGISTER_PASS(conv_elementwise_add2_act_fuse_pass,
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paddle::framework::ir::ConvElementwiseAdd2ActFusePass);
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