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graphengine/ge/graph/label/case_label_maker.cc

152 lines
6.4 KiB

/**
* Copyright 2020 Huawei Technologies Co., Ltd
*
* 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 "case_label_maker.h"
#include "common/util.h"
#include "common/ge_inner_error_codes.h"
#include "framework/common/types.h"
#include "framework/common/op/ge_op_utils.h"
#include "graph/debug/ge_attr_define.h"
#include "graph/utils/graph_utils.h"
namespace ge {
constexpr uint32_t kCasePredIndex = 0;
constexpr uint32_t kMinCaseBranch = 1;
constexpr uint32_t kMaxCaseBranch = 0x7fffffff;
/**
* @ingroup ge
* @brief Make label node to functional call.
* @param [in/out] label_index: serial id for whole graph.
* @return: 0 for success / others for fail
*/
Status CaseOpLabelMaker::Run(uint32_t &label_index) {
GE_CHECK_NOTNULL(parent_node_);
GE_CHECK_NOTNULL(parent_graph_);
OpDescPtr case_desc = parent_node_->GetOpDesc();
GE_CHECK_NOTNULL(case_desc);
const auto graph_names = case_desc->GetSubgraphInstanceNames();
if (graph_names.empty() || graph_names.size() > kMaxCaseBranch) {
REPORT_INNER_ERROR("E19999", "Node:%s(%s) subgraph size: %zu, check invalid", case_desc->GetName().c_str(),
case_desc->GetType().c_str(), graph_names.size());
GELOGE(INTERNAL_ERROR, "Node: %s has invalid subgraph, graph size: %zu.", case_desc->GetName().c_str(),
graph_names.size());
return FAILED;
}
// One branch, no need label.
const uint32_t graph_num = static_cast<uint32_t>(graph_names.size());
if (graph_num == kMinCaseBranch) {
GELOGI("Node: %s just one subgraph.", case_desc->GetName().c_str());
return SUCCESS;
}
NodePtr first_label = nullptr;
ComputeGraphPtr first_graph = nullptr;
std::vector<uint32_t> switch_labels;
uint32_t last_label_index = label_index++;
for (uint32_t index = 0; index < graph_num; ++index) {
ComputeGraphPtr graph = parent_graph_->GetSubgraph(graph_names[index]);
GE_CHECK_NOTNULL(graph);
// all branch, add label and stream active nodes to head.
std::string stream_active_name =
parent_node_->GetName() + "/StreamActive_" + std::to_string(index); // rtStreamActive
NodePtr stream_active = AddStreamActive(graph, stream_active_name);
if (stream_active == nullptr) {
REPORT_CALL_ERROR("E19999", "Add StreamActive node in graph:%s fail",
graph->GetName().c_str());
GELOGE(INTERNAL_ERROR, "Subgraph: %s add stream active failed.", graph->GetName().c_str());
return FAILED;
}
uint32_t curr_label_index = label_index++;
std::string label_set_name = parent_node_->GetName() + "/LabelSet_" + std::to_string(index); // rtLabelSet
NodePtr label = AddLabelSetEnter(graph, label_set_name, curr_label_index, stream_active);
if (label == nullptr) {
REPORT_CALL_ERROR("E19999", "Add LabelSetEnter node in graph:%s fail",
graph->GetName().c_str());
GELOGE(INTERNAL_ERROR, "Subgraph: %s add label set failed.", graph->GetName().c_str());
return FAILED;
}
switch_labels.emplace_back(curr_label_index);
if (index == 0) { // save first subgraph node for switch.
first_label = label;
first_graph = graph;
}
if (index + 1 < graph_num) {
// middle node, add goto node to tail.
std::string label_goto_name = parent_node_->GetName() + "/LabelGoto_" + std::to_string(index); // rtLabelGoto
if (AddLabelGotoLeave(graph, label_goto_name, last_label_index) == nullptr) {
REPORT_CALL_ERROR("E19999", "Add LabelGotoLeave node in graph:%s fail",
graph->GetName().c_str());
GELOGE(INTERNAL_ERROR, "Subgraph: %s add label goto failed.", graph->GetName().c_str());
return FAILED;
}
} else {
// last node, add label node to tail.
std::string last_label_name = parent_node_->GetName() + "/LabelSet_Last"; // rtLabelSet
if (AddLabelSetLeave(graph, last_label_name, last_label_index) == nullptr) {
REPORT_CALL_ERROR("E19999", "Add LabelSetLeave node in graph:%s fail",
graph->GetName().c_str());
GELOGE(INTERNAL_ERROR, "Subgraph: %s add label set failed.", graph->GetName().c_str());
return FAILED;
}
}
}
// Add Switch node for first branch.
GE_CHECK_NOTNULL(first_label);
GE_CHECK_NOTNULL(first_graph);
// first case, add switch node to head.
const std::string label_switch_name = parent_node_->GetName() + "/LabelSwitch"; // rtLabelSwitchByIndex
const GeTensorDesc &pred_desc = case_desc->GetInputDesc(kCasePredIndex);
NodePtr switch_node = AddLabelSwitchEnter(first_graph, label_switch_name, pred_desc, switch_labels);
if (switch_node == nullptr) {
REPORT_CALL_ERROR("E19999", "Add LabelSwitchEnter node in graph:%s fail",
first_graph->GetName().c_str());
GELOGE(INTERNAL_ERROR, "Subgraph: %s add label switch failed.", first_graph->GetName().c_str());
return FAILED;
}
// Link control edge to then branch head.
if (GraphUtils::AddEdge(switch_node->GetOutControlAnchor(), first_label->GetInControlAnchor()) != SUCCESS) {
REPORT_CALL_ERROR("E19999", "Add ctrl edge from %s to %s in graph:%s fail", switch_node->GetName().c_str(),
first_label->GetName().c_str(), first_graph->GetName().c_str());
GELOGE(INTERNAL_ERROR, "LabelSwitchByIndex: Add ctrl edge to %s failed.", first_label->GetName().c_str());
return FAILED;
}
uint32_t parent_index = 0; // Case cond input is first.
const std::string data_name = parent_node_->GetName() + "/SwitchIndexData";
if (AddLabelSwitchIndex(first_graph, data_name, pred_desc, switch_node, parent_index) == nullptr) {
REPORT_CALL_ERROR("E19999", "Add LabelSwitchIndex node in graph:%s fail",
first_graph->GetName().c_str());
GELOGE(INTERNAL_ERROR, "Subgraph: %s add switch input failed.", first_graph->GetName().c_str());
return FAILED;
}
GELOGI("Node: %s assign label success.", case_desc->GetName().c_str());
return SUCCESS;
}
REGISTER_LABEL_MAKER(CASE, CaseOpLabelMaker);
} // namespace ge