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graphengine/ge/graph/passes/merge_input_memcpy_pass.cc

105 lines
4.6 KiB

/**
* Copyright 2019-2020 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/merge_input_memcpy_pass.h"
#include "common/ge/ge_util.h"
#include "ge/ge_api_types.h"
#include "graph/common/omg_util.h"
namespace ge {
Status MergeInputMemcpyPass::Run(ComputeGraphPtr graph) {
GELOGD("MergeInputMemcpyPass Enter");
for (const auto &node : graph->GetDirectNode()) {
std::string type;
GE_CHK_STATUS_RET(GetOriginalType(node, type), "Get node type failed.");
if ((type != MERGE) && (type != REFMERGE)) {
continue;
}
GE_CHECK_NOTNULL(node->GetOpDesc());
GE_CHK_STATUS_RET(AddMemcpyAsyncNodes(graph, node, node->GetOpDesc()->HasAttr(ATTR_INSERT_BY_MBATCH)),
"Merge add memcpy node failed.");
}
GELOGD("MergeInputMemcpyPass Leave");
return SUCCESS;
}
///
/// @brief Add MemcpyAsync Op as Merge in_node
/// @param [in] graph
/// @param [in] node
/// @param [in] multi_batch_flag
/// @return Status
///
Status MergeInputMemcpyPass::AddMemcpyAsyncNodes(const ComputeGraphPtr &graph, const NodePtr &node,
bool multi_batch_flag) {
for (const InDataAnchorPtr &in_data_anchor : node->GetAllInDataAnchors()) {
OutDataAnchorPtr peer_out_anchor = in_data_anchor->GetPeerOutAnchor();
GE_IF_BOOL_EXEC(peer_out_anchor == nullptr, continue);
NodePtr in_node = peer_out_anchor->GetOwnerNode();
const std::string &type = in_node->GetType();
// For WhileLoop no need memcpy for merge.
GE_IF_BOOL_EXEC((type == ENTER) || (type == REFENTER) || (type == NEXTITERATION) || (type == REFNEXTITERATION),
continue);
const std::string &memcpy_name = node->GetName() + "_input_" + std::to_string(in_data_anchor->GetIdx());
NodePtr memcpy_node = CreateMemcpyAsyncNode(graph, memcpy_name, peer_out_anchor, multi_batch_flag);
GE_CHK_BOOL_EXEC(memcpy_node != nullptr, return FAILED, "Create MemcpyAsync node failed.");
GE_CHK_STATUS(GraphUtils::RemoveEdge(peer_out_anchor, in_data_anchor),
"MemcpyAsync node remove edge failed.");
GE_CHK_STATUS(GraphUtils::AddEdge(peer_out_anchor, memcpy_node->GetInDataAnchor(0)),
"MemcpyAsync node add edge failed.");
GE_CHK_STATUS(GraphUtils::AddEdge(memcpy_node->GetOutDataAnchor(0), in_data_anchor),
"MemcpyAsync node add edge failed.");
}
return SUCCESS;
}
///
/// @brief Add MemcpyAsync Node
/// @param [in] graph
/// @param [in] name
/// @param [in] out_data_anchor
/// @param [in] multi_batch_flag
/// @return ge::NodePtr
///
NodePtr MergeInputMemcpyPass::CreateMemcpyAsyncNode(const ComputeGraphPtr &graph, const std::string &name,
const OutDataAnchorPtr &out_data_anchor, bool multi_batch_flag) {
OpDescPtr pre_op_desc = out_data_anchor->GetOwnerNode()->GetOpDesc();
GE_CHK_BOOL_EXEC(pre_op_desc != nullptr, return nullptr, "OpDesc of pre node is invalid.");
const std::string &memcpy_type = multi_batch_flag ? MEMCPYADDRASYNC : MEMCPYASYNC;
const std::string &node_name = name + "_" + memcpy_type;
GELOGI("Create MemcpyAsync op:%s.", node_name.c_str());
OpDescPtr op_desc = MakeShared<OpDesc>(node_name, memcpy_type);
if (op_desc == nullptr) {
GELOGE(FAILED, "Create op_desc failed, MemcpyAsync:%s.", node_name.c_str());
return nullptr;
}
GE_CHK_BOOL_EXEC(op_desc->AddInputDesc(pre_op_desc->GetOutputDesc(out_data_anchor->GetIdx())) == GRAPH_SUCCESS,
REPORT_CALL_ERROR("E19999", "Add input to op:%s(%s) failed",
op_desc->GetName().c_str(), op_desc->GetType().c_str());
return nullptr, "Create MemcpyAsync op: add input desc failed.");
GE_CHK_BOOL_EXEC(op_desc->AddOutputDesc(pre_op_desc->GetOutputDesc(out_data_anchor->GetIdx())) == GRAPH_SUCCESS,
REPORT_CALL_ERROR("E19999", "Add output to op:%s(%s) failed",
op_desc->GetName().c_str(), op_desc->GetType().c_str());
return nullptr, "Create MemcpyAsync op: add output desc failed.");
return graph->AddNode(op_desc);
}
} // namespace ge