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/**
* 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 "graph/passes/switch_to_stream_switch_pass.h"
#include <stack>
#include "common/ge/ge_util.h"
#include "framework/common/debug/ge_log.h"
#include "framework/common/debug/log.h"
#include "framework/common/ge_inner_error_codes.h"
#include "framework/common/types.h"
#include "ge/ge_api_types.h"
#include "graph/common/omg_util.h"
#include "graph/debug/ge_attr_define.h"
#include "graph/ge_context.h"
#include "graph/utils/type_utils.h"
namespace ge {
Status SwitchToStreamSwitchPass::Run(ComputeGraphPtr graph) {
GELOGD("SwitchToStreamSwitchPass Enter");
GE_CHK_STATUS_RET(CheckCycleDependence(graph), "Check cyclic dependence failed.");
for (const auto &switch_node : switch_nodes_) {
GE_CHK_STATUS_RET(ReplaceSwitchNode(graph, switch_node), "Replace Switch by StreamSwitch failed.");
}
GE_CHK_STATUS_RET(CombineSwitchNode(graph), "Combine StreamSwitch nodes failed.");
for (const auto &node : bypass_nodes_) {
GE_CHK_BOOL_EXEC(graph->IsolateNode(node) == GRAPH_SUCCESS, return FAILED, "Isolate node failed.");
GE_CHK_BOOL_EXEC(GraphUtils::RemoveNodeWithoutRelink(graph, node) == GRAPH_SUCCESS, return FAILED,
"Remove switch node failed.");
}
GELOGD("SwitchToStreamSwitchPass Leave");
return SUCCESS;
}
///
/// @brief Clear Status
/// @return
///
Status SwitchToStreamSwitchPass::ClearStatus() {
switch_nodes_.clear();
switch_cyclic_map_.clear();
bypass_nodes_.clear();
stream_switch_nodes_.clear();
cond_node_map_.clear();
switch_node_map_.clear();
node_num_map_.clear();
return SUCCESS;
}
///
/// @brief Check cyclic dependence
/// @param [in] graph
/// @return Status
///
Status SwitchToStreamSwitchPass::CheckCycleDependence(const ComputeGraphPtr &graph) {
std::string type;
std::unordered_map<NodePtr, std::vector<NodePtr>> cond_switch_map;
for (const NodePtr &node : graph->GetDirectNode()) {
GE_CHK_STATUS_RET(GetOriginalType(node, type), "Get node type failed.");
if ((type == SWITCH) || (type == REFSWITCH)) {
InDataAnchorPtr in_cond_anchor = node->GetInDataAnchor(SWITCH_PRED_INPUT);
GE_CHECK_NOTNULL(in_cond_anchor);
OutDataAnchorPtr peer_out_anchor = in_cond_anchor->GetPeerOutAnchor();
GE_CHECK_NOTNULL(peer_out_anchor);
if (FindSwitchCondInput(true, peer_out_anchor) != SUCCESS) {
GELOGE(FAILED, "Find pred_input for switch_node %s failed.", node->GetName().c_str());
return FAILED;
}
NodePtr cond_node = peer_out_anchor->GetOwnerNode();
auto iter = cond_switch_map.find(cond_node);
if (iter == cond_switch_map.end()) {
cond_switch_map[cond_node] = { node };
} else {
iter->second.emplace_back(node);
}
switch_nodes_.emplace_back(node);
}
}
MarkCycleDependence(cond_switch_map);
return SUCCESS;
}
///
/// @brief Mark cyclic dependence
/// @param [in] graph
/// @param [in] cond_switch_map
/// @return void
///
void SwitchToStreamSwitchPass::MarkCycleDependence(
const std::unordered_map<NodePtr, std::vector<NodePtr>> &cond_switch_map) {
std::stack<NodePtr> out_nodes;
NodePtr tmp_node = nullptr;
std::unordered_set<NodePtr> visited;
for (const auto &iter : cond_switch_map) {
std::set<NodePtr> switch_nodes(iter.second.begin(), iter.second.end());
for (const auto &switch_node : switch_nodes) {
GELOGD("MarkCycleDependence: cond_node=%s, switch=%s.", iter.first->GetName().c_str(),
switch_node->GetName().c_str());
for (const auto &node : switch_node->GetOutAllNodes()) {
out_nodes.push(node);
}
}
visited.clear();
while (!out_nodes.empty()) {
tmp_node = out_nodes.top();
out_nodes.pop();
if (visited.count(tmp_node) > 0) {
continue;
}
GELOGD("MarkCycleDependence: tmp_node=%s.", tmp_node->GetName().c_str());
for (const NodePtr &out_node : tmp_node->GetOutAllNodes()) {
if (switch_nodes.find(out_node) == switch_nodes.end()) {
out_nodes.push(out_node);
continue;
}
GE_IF_BOOL_EXEC(SetCyclicDependenceFlag(out_node) != SUCCESS,
GELOGW("set cyclic dependence attr failed."); return );
auto map_iter = switch_cyclic_map_.find(out_node);
if (map_iter == switch_cyclic_map_.end()) {
switch_cyclic_map_[out_node] = {tmp_node->GetName()};
} else {
map_iter->second.insert(tmp_node->GetName());
}
}
visited.insert(tmp_node);
}
}
return;
}
///
/// @brief Replace Switch Op
/// @param [in] graph
/// @param [in] switch_node
/// @return Status
///
Status SwitchToStreamSwitchPass::ReplaceSwitchNode(const ComputeGraphPtr &graph, const NodePtr &switch_node) {
OutDataAnchorPtr peer_data_anchor = nullptr;
OutDataAnchorPtr peer_cond_anchor = nullptr;
GE_CHK_BOOL_EXEC(BypassSwitchNode(switch_node, peer_data_anchor, peer_cond_anchor) == SUCCESS, return FAILED,
"Bypass switch node %s failed.", switch_node->GetName().c_str());
GE_CHECK_NOTNULL(peer_data_anchor);
GE_CHECK_NOTNULL(peer_cond_anchor);
OpDescPtr cond_desc = peer_cond_anchor->GetOwnerNode()->GetOpDesc();
GE_CHECK_NOTNULL(cond_desc);
DataType cond_data_type = cond_desc->GetOutputDesc(peer_cond_anchor->GetIdx()).GetDataType();
GE_CHK_BOOL_EXEC(cond_data_type == DT_BOOL, return FAILED,
"pred_input of Switch only support DT_BOOL data_type, but %s exactly.",
TypeUtils::DataTypeToSerialString(cond_data_type).c_str());
OpDescPtr switch_desc = switch_node->GetOpDesc();
GE_CHECK_NOTNULL(switch_desc);
bool cyclic_flag = switch_desc->HasAttr(ATTR_NAME_CYCLIC_DEPENDENCE_FLAG);
std::set<std::string> out_node_list;
for (const auto &out_data_anchor : switch_node->GetAllOutDataAnchors()) {
bool true_branch_flag = (static_cast<uint32_t>(out_data_anchor->GetIdx()) == SWITCH_TRUE_OUTPUT);
NodePtr stream_switch = nullptr;
out_node_list.clear();
for (const auto &peer_in_anchor : out_data_anchor->GetPeerAnchors()) {
GE_IF_BOOL_EXEC(stream_switch == nullptr, {
stream_switch = CreateStreamSwitchNode(graph, switch_node, true_branch_flag ? "_t" : "_f", peer_cond_anchor);
GE_CHK_BOOL_EXEC(stream_switch != nullptr, return FAILED, "Create stream_switch node failed.");
if (SetSwitchTrueBranchFlag(stream_switch, true_branch_flag) != SUCCESS) {
GELOGE(FAILED, "SetSwitchTrueBranchFlag for node %s failed.", stream_switch->GetName().c_str());
return FAILED;
}
if (MarkBranches(peer_cond_anchor, stream_switch, true_branch_flag) != SUCCESS) {
GELOGE(FAILED, "Mark branches for stream_switch %s failed.", stream_switch->GetName().c_str());
return FAILED;
}
if (!cyclic_flag) {
GE_CHK_STATUS(GraphUtils::AddEdge(peer_data_anchor->GetOwnerNode()->GetOutControlAnchor(),
stream_switch->GetInControlAnchor()),
"StreamSwitch node add ctl edge failed.");
}
});
GE_CHK_STATUS(GraphUtils::RemoveEdge(out_data_anchor, peer_in_anchor), "Remove Switch data output failed.");
NodePtr out_node = peer_in_anchor->GetOwnerNode();
GE_CHK_STATUS(GraphUtils::AddEdge(peer_data_anchor, peer_in_anchor), "StreamSwitch node add edge failed.");
GE_CHK_STATUS(GraphUtils::AddEdge(stream_switch->GetOutControlAnchor(), out_node->GetInControlAnchor()),
"StreamSwitch node add ctl edge failed.");
out_node_list.insert(out_node->GetName());
}
GE_IF_BOOL_EXEC(stream_switch != nullptr, {
MoveCtrlEdges(switch_node, stream_switch);
switch_node_map_[stream_switch] = out_node_list;
if (SetOriginalNodeName(stream_switch, switch_node->GetName()) != SUCCESS) {
GELOGE(FAILED, "SetOriginalNodeName for node %s failed.", stream_switch->GetName().c_str());
return FAILED;
}
});
}
(void)bypass_nodes_.insert(switch_node);
return SUCCESS;
}
///
/// @brief Bypass Switch Node
/// @param [in] switch_node
/// @param [out] peer_data_anchor
/// @param [out] peer_cond_anchor
/// @return Status
///
Status SwitchToStreamSwitchPass::BypassSwitchNode(const NodePtr &switch_node, OutDataAnchorPtr &peer_data_anchor,
OutDataAnchorPtr &peer_cond_anchor) {
for (uint32_t idx = 0; idx < SWITCH_INPUT_NUM; ++idx) {
InDataAnchorPtr in_data_anchor = switch_node->GetInDataAnchor(idx);
GE_CHECK_NOTNULL(in_data_anchor);
OutDataAnchorPtr peer_out_anchor = in_data_anchor->GetPeerOutAnchor();
GE_CHECK_NOTNULL(peer_out_anchor);
// Remove Switch data input.
if (GraphUtils::RemoveEdge(peer_out_anchor, in_data_anchor) != GRAPH_SUCCESS) {
GELOGE(FAILED, "Remove data edge %s->%s failed.", peer_out_anchor->GetOwnerNode()->GetName().c_str(),
switch_node->GetName().c_str());
return FAILED;
}
if (idx == SWITCH_DATA_INPUT) {
peer_data_anchor = peer_out_anchor;
} else {
if (FindSwitchCondInput(false, peer_out_anchor) != SUCCESS) {
GELOGE(FAILED, "Find pred_input for switch_node %s failed.", switch_node->GetName().c_str());
return FAILED;
}
peer_cond_anchor = peer_out_anchor;
}
}
return SUCCESS;
}
///
/// @brief Find Switch cond input
/// @param [in] pass_switch_flag
/// @param [out] peer_cond_anchor
/// @return Status
///
Status SwitchToStreamSwitchPass::FindSwitchCondInput(bool pass_switch_flag, OutDataAnchorPtr &peer_cond_anchor) {
NodePtr tmp_node = nullptr;
string type;
bool need_pass_type = true;
while (need_pass_type) {
if (tmp_node == nullptr) {
tmp_node = peer_cond_anchor->GetOwnerNode();
} else {
InDataAnchorPtr in_data_anchor = tmp_node->GetInDataAnchor(SWITCH_DATA_INPUT);
GE_CHECK_NOTNULL(in_data_anchor);
peer_cond_anchor = in_data_anchor->GetPeerOutAnchor();
GE_CHECK_NOTNULL(peer_cond_anchor);
tmp_node = peer_cond_anchor->GetOwnerNode();
}
GE_CHK_STATUS_RET(GetOriginalType(tmp_node, type), "Get node type failed.");
need_pass_type = (pass_switch_flag && ((type == SWITCH) || (type == REFSWITCH)));
}
return SUCCESS;
}
///
/// @brief Create StreamSwitch Node
/// @param [in] graph
/// @param [in] switch_node
/// @param [in] suffix
/// @param [in] peer_cond_anchor
/// @return ge::NodePtr
///
NodePtr SwitchToStreamSwitchPass::CreateStreamSwitchNode(const ComputeGraphPtr &graph, const NodePtr &switch_node,
const std::string &suffix,
const OutDataAnchorPtr &peer_cond_anchor) {
OpDescPtr switch_op_desc = switch_node->GetOpDesc();
GE_CHK_BOOL_EXEC(switch_op_desc != nullptr, return nullptr, "OpDesc of Switch node is invalid.");
GE_IF_BOOL_EXEC(switch_op_desc->GetInputsSize() != SWITCH_INPUT_NUM, {
GELOGE(FAILED, "Switch input param invalid, input_size=%lu, should be %u.", switch_op_desc->GetInputsSize(),
SWITCH_INPUT_NUM);
return nullptr;
});
const std::string &node_name = switch_node->GetName() + "_" + STREAMSWITCH + suffix;
GELOGI("Create StreamSwitch, name=%s.", node_name.c_str());
OpDescPtr op_desc = MakeShared<OpDesc>(node_name, STREAMSWITCH);
if (op_desc == nullptr) {
GELOGE(FAILED, "Create op_desc failed, StreamSwitch:%s.", node_name.c_str());
return nullptr;
}
// mark hccl group id
std::string hccl_group_id;
if (AttrUtils::GetStr(switch_node->GetOpDesc(), ATTR_NAME_HCCL_FUSED_GROUP, hccl_group_id)) {
(void)AttrUtils::SetStr(op_desc, ATTR_NAME_HCCL_FUSED_GROUP, hccl_group_id);
GELOGD("Set attr ATTR_NAME_HCCL_FUSED_GROUP for Stream_Switch %s, value is %s.", node_name.c_str(),
hccl_group_id.c_str());
}
if (!AttrUtils::SetInt(op_desc, ATTR_NAME_SWITCH_DATA_TYPE, RT_SWITCH_INT32) ||
!AttrUtils::SetInt(op_desc, ATTR_NAME_STREAM_SWITCH_COND, (int64_t)RT_EQUAL)) {
GELOGE(INTERNAL_ERROR, "set int failed");
return nullptr;
}
// Already checked, first input is Variable will passed, second is condition will checked.
GeTensorDesc cond_input_desc = switch_op_desc->GetInputDesc(SWITCH_PRED_INPUT);
GeTensorDesc input_desc(GeShape(cond_input_desc.GetShape().GetDims()), cond_input_desc.GetFormat(), DT_INT32);
GE_CHK_BOOL_EXEC(op_desc->AddInputDesc(input_desc) == GRAPH_SUCCESS, return nullptr,
"Create StreamSwitch node: add input desc failed.");
GE_CHK_BOOL_EXEC(op_desc->AddInputDesc(input_desc) == GRAPH_SUCCESS, return nullptr,
"Create StreamSwitch node: add input desc failed.");
NodePtr stream_switch = graph->AddNode(op_desc);
GE_CHK_BOOL_EXEC(stream_switch != nullptr, return nullptr, "Insert StreamSwitch node failed.");
GE_CHK_STATUS(GraphUtils::AddEdge(peer_cond_anchor, stream_switch->GetInDataAnchor(0)),
"StreamSwitch node add cond edge failed.");
return stream_switch;
}
///
/// @brief Mark Switch Branch
/// @param [in] peer_cond_anchor
/// @param [in] stream_switch
/// @param [in] true_branch_flag
/// @return Status
///
Status SwitchToStreamSwitchPass::MarkBranches(const OutDataAnchorPtr &peer_cond_anchor, const NodePtr &stream_switch,
bool true_branch_flag) {
uint32_t index = true_branch_flag ? SWITCH_TRUE_OUTPUT : SWITCH_FALSE_OUTPUT;
auto it = cond_node_map_.find(peer_cond_anchor);
if (it != cond_node_map_.end()) {
int64_t switch_group_id = GetGroupId(stream_switch);
auto switch_group_it = it->second.find(switch_group_id);
if (switch_group_it == it->second.end()) {
std::list<NodePtr> false_node_list;
std::list<NodePtr> true_node_list;
std::list<NodePtr> &node_list = true_branch_flag ? true_node_list : false_node_list;
node_list.emplace_back(stream_switch);
std::vector<std::list<NodePtr>> switch_list;
switch_list.emplace_back(false_node_list);
switch_list.emplace_back(true_node_list);
it->second[switch_group_id] = switch_list;
} else {
GE_IF_BOOL_EXEC(switch_group_it->second.size() != SWITCH_OUTPUT_NUM, {
GELOGE(INTERNAL_ERROR, "Check size failed, node: %s", stream_switch->GetName().c_str());
return FAILED;
});
switch_group_it->second[index].emplace_back(stream_switch);
}
} else {
int64_t switch_group_id = GetGroupId(stream_switch);
map<int64_t, std::vector<std::list<NodePtr>>> switch_group_map;
std::list<NodePtr> false_node_list;
std::list<NodePtr> true_node_list;
std::list<NodePtr> &node_list = true_branch_flag ? true_node_list : false_node_list;
node_list.emplace_back(stream_switch);
std::vector<std::list<NodePtr>> switch_list;
switch_list.emplace_back(false_node_list);
switch_list.emplace_back(true_node_list);
switch_group_map[switch_group_id] = switch_list;
cond_node_map_[peer_cond_anchor] = switch_group_map;
}
return SUCCESS;
}
///
/// @brief Get group_id for switch_node
/// @param [in] node
/// @return group_id
///
int64_t SwitchToStreamSwitchPass::GetGroupId(const NodePtr &node) {
string tailing_optimization_option;
bool is_tailing_optimization = false;
if (GetContext().GetOption(OPTION_EXEC_ENABLE_TAILING_OPTIMIZATION, tailing_optimization_option) == GRAPH_SUCCESS) {
// "1" means it's True from frontend option
is_tailing_optimization = (tailing_optimization_option == "1");
GELOGI("Option ge.exec.isTailingOptimization is %s", tailing_optimization_option.c_str());
}
if (!is_tailing_optimization) {
return 0;
}
string hccl_group_id;
if (!AttrUtils::GetStr(node->GetOpDesc(), ATTR_NAME_HCCL_FUSED_GROUP, hccl_group_id)) {
GELOGI("Node %s can not find hccl group id.", node->GetName().c_str());
return 0;
}
auto key_index = hccl_group_id.find_last_of('_');
auto key_num = hccl_group_id.substr(key_index + 1, hccl_group_id.length() - key_index);
GELOGI("Node:%s, hccl_group_id=%s, key_num=%s", node->GetName().c_str(), hccl_group_id.c_str(), key_num.c_str());
int64_t num = atoi(key_num.c_str());
if (num == 0) {
return 0;
}
GELOGI("Hccl_group_id is %s, group_id is %ld", hccl_group_id.c_str(), num);
return num;
}
///
/// @brief Combine switch nodes link to same cond
/// @param [in] graph
/// @return Status
///
Status SwitchToStreamSwitchPass::CombineSwitchNode(const ComputeGraphPtr &graph) {
for (auto iter = cond_node_map_.begin(); iter != cond_node_map_.end(); ++iter) {
for (auto group_iter = iter->second.begin(); group_iter != iter->second.end(); ++group_iter) {
std::list<NodePtr> false_switch_list = group_iter->second[SWITCH_FALSE_OUTPUT];
std::list<NodePtr> true_switch_list = group_iter->second[SWITCH_TRUE_OUTPUT];
std::set<NodePtr> same_cond_switch;
same_cond_switch.insert(false_switch_list.begin(), false_switch_list.end());
same_cond_switch.insert(true_switch_list.begin(), true_switch_list.end());
OutDataAnchorPtr peer_cond_anchor = iter->first;
NodePtr cond_node = peer_cond_anchor->GetOwnerNode();
GELOGI("CombineSwitchNode: cond_node=%s.", cond_node->GetName().c_str());
NodePtr cast_node = CreateCastOp(graph, peer_cond_anchor);
GE_CHK_BOOL_EXEC(cast_node != nullptr, return FAILED, "Create cast_node failed.");
NodePtr active_node = CreateActiveNode(graph, cond_node);
GE_CHK_BOOL_EXEC(active_node != nullptr, return FAILED, "Create StreamActive node failed.");
GE_CHK_STATUS(GraphUtils::AddEdge(cast_node->GetOutControlAnchor(), active_node->GetInControlAnchor()),
"StreamActive add ctl edge failed.");
if (SetActiveLabelList(active_node, { cast_node->GetName() }) != SUCCESS) {
GELOGE(FAILED, "Set active_label_list attr for node %s failed.", active_node->GetName().c_str());
return FAILED;
}
const std::string &cond_group = cond_node->GetName();
for (uint32_t i = 0; i < SWITCH_OUTPUT_NUM; ++i) {
bool true_branch_flag = (i == SWITCH_TRUE_OUTPUT);
std::list<NodePtr> &switch_list = (true_branch_flag ? true_switch_list : false_switch_list);
GE_IF_BOOL_EXEC(switch_list.empty(), continue);
// select first stream_switch
NodePtr stream_switch = switch_list.front();
OpDescPtr switch_desc = stream_switch->GetOpDesc();
GE_CHECK_NOTNULL(switch_desc);
switch_desc->SetName(CheckDuplicateName(cond_group + "/" + STREAMSWITCH + (true_branch_flag ? "_t" : "_f")));
stream_switch_nodes_.emplace_back(stream_switch);
// 0_input: original pred input, 1_input: constant node
GE_CHK_STATUS_RET(AddConstNode(graph, stream_switch), "Add const node failed.");
GE_CHK_STATUS(GraphUtils::RemoveEdge(peer_cond_anchor, stream_switch->GetInDataAnchor(0)),
"StreamSwitch remove data edge failed.");
GE_CHK_STATUS(GraphUtils::AddEdge(cast_node->GetOutDataAnchor(0), stream_switch->GetInDataAnchor(0)),
"Cast add data edge failed.");
for (const NodePtr &node : switch_list) {
GE_IF_BOOL_EXEC(node != stream_switch, {
GE_CHK_STATUS(GraphUtils::RemoveEdge(peer_cond_anchor, node->GetInDataAnchor(0)),
"StreamSwitch remove data edge failed.");
});
GE_CHK_STATUS(ModifySwitchInCtlEdges(node, cast_node, same_cond_switch), "ModifySwitchInCtlEdges failed.");
GE_CHK_STATUS(ModifySwitchOutCtlEdges(node, stream_switch, active_node), "ModifySwitchOutCtlEdges failed.");
}
GE_CHK_STATUS(GraphUtils::AddEdge(active_node->GetOutControlAnchor(), stream_switch->GetInControlAnchor()),
"StreamActive add ctl edge failed.");
}
}
}
return SUCCESS;
}
///
/// @brief Create Active Op
/// @param [in] graph
/// @param [in] cond_node
/// @return ge::NodePtr
///
NodePtr SwitchToStreamSwitchPass::CreateActiveNode(const ComputeGraphPtr &graph, const NodePtr &node) {
const std::string &node_name = CheckDuplicateName(node->GetName() + "_" + STREAMACTIVE);
GELOGI("Create StreamActive op:%s.", node_name.c_str());
OpDescPtr op_desc = MakeShared<OpDesc>(node_name, STREAMACTIVE);
if (op_desc == nullptr) {
GELOGE(FAILED, "Create op_desc failed, StreamActive:%s.", node_name.c_str());
return nullptr;
}
NodePtr active_node = graph->AddNode(op_desc);
GE_CHK_BOOL_EXEC(active_node != nullptr, return nullptr, "Create StreamActive node failed.");
GE_IF_BOOL_EXEC(GraphUtils::AddEdge(node->GetOutControlAnchor(), active_node->GetInControlAnchor()) != SUCCESS,
GELOGE(INTERNAL_ERROR, "add edge failed");
return nullptr);
GE_IF_BOOL_EXEC(SetSwitchBranchNodeLabel(active_node, node_name) != SUCCESS,
GELOGE(INTERNAL_ERROR, "set switch branch node label failed");
return nullptr);
return active_node;
}
///
/// @brief Create cast node
/// @param [in] graph
/// @param [in] peer_cond_anchor
/// @return NodePtr
///
NodePtr SwitchToStreamSwitchPass::CreateCastOp(const ComputeGraphPtr &graph, const OutDataAnchorPtr &peer_cond_anchor) {
OpDescPtr cond_desc = peer_cond_anchor->GetOwnerNode()->GetOpDesc();
GE_CHK_BOOL_EXEC(cond_desc != nullptr, return nullptr, "Get cond_desc failed.");
const std::string &cast_name = CheckDuplicateName(cond_desc->GetName() + "_" + CAST);
GELOGI("Create cast_node: %s, input datatype:DT_BOOL, out datatype:DT_INT32", cast_name.c_str());
OpDescPtr cast_desc = MakeShared<OpDesc>(cast_name, CAST);
if (cast_desc == nullptr) {
GELOGE(FAILED, "Create op_desc failed, Cast:%s.", cast_name.c_str());
return nullptr;
}
if (!(AttrUtils::SetInt(cast_desc, CAST_ATTR_SRCT, (int64_t)DT_BOOL) &&
AttrUtils::SetInt(cast_desc, CAST_ATTR_DSTT, (int64_t)DT_INT32) &&
AttrUtils::SetInt(cast_desc, CAST_ATTR_DST_TYPE, (int64_t)DT_INT32) &&
AttrUtils::SetBool(cast_desc, CAST_ATTR_TRUNCATE, false))) {
GELOGE(FAILED, "Set CAST_ATTR_SRCT or CAST_ATTR_DSTT or CAST_ATTR_DST_TYPE or CAST_ATTR_TRUNCATE failed, node: %s.",
cast_name.c_str());
return nullptr;
}
GeTensorDesc tensor_desc = cond_desc->GetOutputDesc(peer_cond_anchor->GetIdx());
tensor_desc.SetDataType(DT_BOOL);
GE_CHK_BOOL_EXEC(cast_desc->AddInputDesc(tensor_desc) == SUCCESS, return nullptr,
"Cast_node add input desc failed.");
tensor_desc.SetDataType(DT_INT32);
GE_CHK_BOOL_EXEC(cast_desc->AddOutputDesc(tensor_desc) == SUCCESS, return nullptr,
"Cast_node add output desc failed.");
NodePtr cast_node = graph->AddNode(cast_desc);
GE_CHK_BOOL_EXEC(cast_node != nullptr, return nullptr, "Create cast_node failed.");
GE_CHK_STATUS(GraphUtils::AddEdge(peer_cond_anchor, cast_node->GetInDataAnchor(0)), "Cast add data edge failed.");
return cast_node;
}
///
/// @brief Add const node as switch input1
/// @param [in] graph
/// @param [in] stream_switch
/// @return Status
///
Status SwitchToStreamSwitchPass::AddConstNode(const ComputeGraphPtr &graph, const NodePtr &stream_switch) {
OpDescPtr op_desc = stream_switch->GetOpDesc();
GE_CHECK_NOTNULL(op_desc);
bool value = false;
GE_CHK_BOOL_EXEC(AttrUtils::GetBool(op_desc, ATTR_NAME_SWITCH_TRUE_BRANCH_FLAG, value), return FAILED,
"StreamSwitch get attr TRUE_BRANCH_STREAM failed.");
const std::string &const_node_name = op_desc->GetName() + "_Constant_" + (value ? "t" : "f");
GELOGI("Create const op: %s", const_node_name.c_str());
OpDescPtr const_op_desc = MakeShared<OpDesc>(const_node_name, CONSTANT);
if (const_op_desc == nullptr) {
GELOGE(FAILED, "Create op_desc failed, Constant:%s.", const_node_name.c_str());
return FAILED;
}
auto resize_value = (int32_t)value;
GeTensorDesc data_desc = op_desc->GetInputDesc(1);
GeTensorPtr const_value =
MakeShared<GeTensor>(data_desc, reinterpret_cast<uint8_t *>(&resize_value), sizeof(int32_t));
if (const_value == nullptr) {
GELOGE(FAILED, "Create tensor failed.");
return FAILED;
}
GE_CHK_BOOL_EXEC(AttrUtils::SetTensor(const_op_desc, ATTR_NAME_WEIGHTS, const_value), return FAILED);
GE_CHK_BOOL_EXEC(const_op_desc->AddOutputDesc(data_desc) == GRAPH_SUCCESS, return FAILED,
"Create Const op: add output desc failed.");
NodePtr const_node = graph->AddNode(const_op_desc);
GE_CHK_BOOL_EXEC(const_node != nullptr, return FAILED, "Insert Const node failed.");
GE_CHK_STATUS(GraphUtils::AddEdge(const_node->GetOutDataAnchor(0), stream_switch->GetInDataAnchor(1)),
"StreamSwitch node add ctl edge failed.");
return SUCCESS;
}
///
/// @brief Modify in ctl edge for switch_node
/// @param [in] switch_node
/// @param [in] cast_node
/// @param [in] same_cond_switch
/// @return Status
///
Status SwitchToStreamSwitchPass::ModifySwitchInCtlEdges(const NodePtr &switch_node, const NodePtr &cast_node,
const std::set<NodePtr> &same_cond_switch) {
GELOGI("ModifySwitchInCtlEdges: switch_node=%s, active_node=%s", switch_node->GetName().c_str(),
cast_node->GetName().c_str());
std::string orig_switch_name = switch_node->GetName();
OpDescPtr switch_desc = switch_node->GetOpDesc();
GE_CHECK_NOTNULL(switch_desc);
if (!AttrUtils::GetStr(switch_desc, ATTR_NAME_ORIG_NODE_NAME, orig_switch_name) || orig_switch_name.empty()) {
GELOGE(INTERNAL_ERROR, "Get attr ATTR_NAME_ORIG_NODE_NAME failed, node: %s", switch_desc->GetName().c_str());
return INTERNAL_ERROR;
}
for (const NodePtr &in_ctl_node : switch_node->GetInControlNodes()) {
GE_CHK_STATUS(GraphUtils::RemoveEdge(in_ctl_node->GetOutControlAnchor(), switch_node->GetInControlAnchor()),
"Remove ctl edge failed.");
GE_IF_BOOL_EXEC(!in_ctl_node->GetOutControlAnchor()->IsLinkedWith(cast_node->GetInControlAnchor()), {
GE_CHK_STATUS(GraphUtils::AddEdge(in_ctl_node->GetOutControlAnchor(), cast_node->GetInControlAnchor()),
"Add ctl edge failed.");
});
GE_IF_BOOL_EXEC(in_ctl_node->GetType() != STREAMSWITCH, continue);
if (same_cond_switch.count(in_ctl_node) > 0) {
GE_CHK_STATUS(GraphUtils::RemoveEdge(in_ctl_node->GetOutControlAnchor(), cast_node->GetInControlAnchor()),
"Remove ctl edge failed.");
continue;
}
auto find_res1 = switch_node_map_.find(in_ctl_node);
GE_IF_BOOL_EXEC(find_res1 == switch_node_map_.end(), {
GELOGE(INTERNAL_ERROR, "StreamSwitch node %s not found in switch_node_map_.", in_ctl_node->GetName().c_str());
return INTERNAL_ERROR;
});
auto find_res2 = find_res1->second.find(orig_switch_name);
auto find_res3 = find_res1->second.find(cast_node->GetName());
GE_IF_BOOL_EXEC((find_res2 != find_res1->second.end()) && (find_res3 == find_res1->second.end()), {
find_res1->second.erase(find_res2);
find_res1->second.insert(cast_node->GetName());
continue;
});
}
return SUCCESS;
}
///
/// @brief Modify out ctl edge for switch_node
/// @param [in] switch_node
/// @param [in] stream_switch
/// @param [in] active_node
/// @return Status
///
Status SwitchToStreamSwitchPass::ModifySwitchOutCtlEdges(const NodePtr &switch_node, const NodePtr &stream_switch,
const NodePtr &active_node) {
GELOGI("ModifySwitchOutCtlEdges: switch_node=%s, stream_switch=%s, active_node=%s", switch_node->GetName().c_str(),
stream_switch->GetName().c_str(), active_node->GetName().c_str());
auto find_res = switch_node_map_.find(switch_node);
GE_IF_BOOL_EXEC(find_res == switch_node_map_.end(), {
GELOGE(INTERNAL_ERROR, "StreamSwitch node %s not found in switch_node_map_.", switch_node->GetName().c_str());
return INTERNAL_ERROR;
});
GE_IF_BOOL_EXEC(find_res->second.empty(), {
GELOGE(INTERNAL_ERROR, "true_nodes of StreamSwitch node %s is empty.", switch_node->GetName().c_str());
return INTERNAL_ERROR;
});
for (const NodePtr &node : switch_node->GetOutControlNodes()) {
GE_CHK_STATUS(GraphUtils::RemoveEdge(switch_node->GetOutControlAnchor(), node->GetInControlAnchor()),
"Remove ctl edge failed.");
OpDescPtr op_desc = node->GetOpDesc();
GE_CHECK_NOTNULL(op_desc);
std::string orig_name = op_desc->GetName();
GE_IF_BOOL_EXEC(op_desc->HasAttr(ATTR_NAME_ORIG_NODE_NAME), {
if (!AttrUtils::GetStr(op_desc, ATTR_NAME_ORIG_NODE_NAME, orig_name) || orig_name.empty()) {
GELOGE(INTERNAL_ERROR, "Get attr ATTR_NAME_ORIG_NODE_NAME failed, node: %s.", op_desc->GetName().c_str());
return INTERNAL_ERROR;
}
});
if (find_res->second.find(orig_name) == find_res->second.end()) {
auto active_out_ctrl_anchor = active_node->GetOutControlAnchor();
GE_CHECK_NOTNULL(active_out_ctrl_anchor);
GE_IF_BOOL_EXEC(!active_out_ctrl_anchor->IsLinkedWith(node->GetInControlAnchor()), {
GE_CHK_STATUS(GraphUtils::AddEdge(active_out_ctrl_anchor, node->GetInControlAnchor()), "Add ctl edge failed.");
});
} else {
auto switch_out_ctrl_anchor = stream_switch->GetOutControlAnchor();
GE_CHECK_NOTNULL(switch_out_ctrl_anchor);
GE_IF_BOOL_EXEC(!switch_out_ctrl_anchor->IsLinkedWith(node->GetInControlAnchor()), {
GE_CHK_STATUS(GraphUtils::AddEdge(switch_out_ctrl_anchor, node->GetInControlAnchor()), "Add ctl edge failed.");
});
}
}
GE_IF_BOOL_EXEC(switch_node != stream_switch, (void)bypass_nodes_.insert(switch_node));
return SUCCESS;
}
///
/// @brief Check duplicate node_name
/// @param [in] node_name
/// @return std::string
///
std::string SwitchToStreamSwitchPass::CheckDuplicateName(const std::string &node_name) {
std::string tmp_name = node_name;
auto iter = node_num_map_.find(tmp_name);
if (iter != node_num_map_.end()) {
tmp_name = tmp_name + "_" + std::to_string(iter->second);
(iter->second)++;
} else {
node_num_map_[tmp_name] = 1;
}
return tmp_name;
}
///
/// @brief Move Control Edges
/// @param [in] old_node
/// @param [in] new_node
/// @return void
///
void SwitchToStreamSwitchPass::MoveCtrlEdges(const NodePtr &old_node, const NodePtr &new_node) {
GE_IF_BOOL_EXEC(old_node == new_node, return );
auto iter = switch_cyclic_map_.find(old_node);
bool check_flag = (iter != switch_cyclic_map_.end());
for (const NodePtr &in_node : old_node->GetInControlNodes()) {
auto out_ctrl_anchor = in_node->GetOutControlAnchor();
GE_CHECK_NOTNULL_JUST_RETURN(out_ctrl_anchor);
if (check_flag && (iter->second.count(in_node->GetName()) > 0)) {
for (const auto &out_node : old_node->GetOutAllNodes()) {
GE_IF_BOOL_EXEC(!out_ctrl_anchor->IsLinkedWith(out_node->GetInControlAnchor()), {
GE_CHK_STATUS(GraphUtils::AddEdge(out_ctrl_anchor, out_node->GetInControlAnchor()),
"Add in ctrl edge failed.");
});
}
} else {
GE_IF_BOOL_EXEC(!out_ctrl_anchor->IsLinkedWith(new_node->GetInControlAnchor()), {
GE_CHK_STATUS(GraphUtils::AddEdge(out_ctrl_anchor, new_node->GetInControlAnchor()),
"Add in ctrl edge failed.");
});
}
GE_CHK_STATUS(GraphUtils::RemoveEdge(out_ctrl_anchor, old_node->GetInControlAnchor()),
"Remove in ctrl edge failed.");
}
for (const NodePtr &out_node : old_node->GetOutControlNodes()) {
GE_IF_BOOL_EXEC(!new_node->GetOutControlAnchor()->IsLinkedWith(out_node->GetInControlAnchor()), {
GE_CHK_STATUS(GraphUtils::AddEdge(new_node->GetOutControlAnchor(), out_node->GetInControlAnchor()),
"Add out ctrl edge failed.");
});
GE_CHK_STATUS(GraphUtils::RemoveEdge(old_node->GetOutControlAnchor(), out_node->GetInControlAnchor()),
"Remove out ctrl edge failed.");
}
}
} // namespace ge
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