diff --git a/ge/graph/build/label_allocator.cc b/ge/graph/build/label_allocator.cc
index 0f3eff16..fad7d0c2 100644
--- a/ge/graph/build/label_allocator.cc
+++ b/ge/graph/build/label_allocator.cc
@@ -26,12 +26,17 @@
 namespace ge {
 LabelAllocator::LabelAllocator(const ComputeGraphPtr &graph) : compute_graph_(graph) {}
 
-Status LabelAllocator::AssignFunctionalLabels(uint32_t &label_index) {
+Status LabelAllocator::AssignFunctionalLabels() {
   if (compute_graph_ == nullptr) {
     GELOGE(INTERNAL_ERROR, "ComputeGraph not set, Assign labels failed.");
     return INTERNAL_ERROR;
   }
 
+  if (compute_graph_->GetGraphUnknownFlag()) {
+    GELOGD("Graph[%s] is unknown graph, skip label allocator.", compute_graph_->GetName().c_str());
+    return SUCCESS;
+  }
+
   // Add label task for sub graph.
   GELOGI("AssignFunctionalLabels start: %s.", compute_graph_->GetName().c_str());
   std::set<NodePtr> functional_nodes;
@@ -42,7 +47,7 @@ Status LabelAllocator::AssignFunctionalLabels(uint32_t &label_index) {
   }
 
   // Add label for functional op.
-  label_index = 0;
+  uint32_t label_index = 0;
   for (auto node : functional_nodes) {
     LabelMakerPtr maker = LabelMakerFactory::Instance().Create(node->GetType(), compute_graph_, node);
     if (maker == nullptr) {
@@ -56,6 +61,7 @@ Status LabelAllocator::AssignFunctionalLabels(uint32_t &label_index) {
     }
   }
 
+  (void)AttrUtils::SetInt(*compute_graph_, ATTR_MODEL_LABEL_NUM, label_index);
   GELOGI("AssignFunctionalLabels success.");
   return SUCCESS;
 }
diff --git a/ge/graph/build/label_allocator.h b/ge/graph/build/label_allocator.h
index 7c7b2f00..7e2943e8 100644
--- a/ge/graph/build/label_allocator.h
+++ b/ge/graph/build/label_allocator.h
@@ -28,7 +28,7 @@ class LabelAllocator {
   explicit LabelAllocator(const ComputeGraphPtr &graph);
   ~LabelAllocator() = default;
 
-  Status AssignFunctionalLabels(uint32_t &label_index);
+  Status AssignFunctionalLabels();
 
  private:
   bool CollectFunctionalNode(ComputeGraphPtr &graph, std::set<NodePtr> &functional_nodes);
diff --git a/ge/graph/build/logical_stream_allocator.cc b/ge/graph/build/logical_stream_allocator.cc
index 81b2f182..5c8bc46c 100644
--- a/ge/graph/build/logical_stream_allocator.cc
+++ b/ge/graph/build/logical_stream_allocator.cc
@@ -348,7 +348,11 @@ Status NodeStreamUpdatePass::Run(ComputeGraphPtr graph, const vector<SubgraphPtr
     auto compute_graph = subgraph->subgraph_info.GetSubGraph();
     for (NodePtr &node : compute_graph->GetDirectNode()) {
       GE_CHECK_NOTNULL(node->GetOpDesc());
-      if (IsEngineSkip(*subgraph) && node->GetInNodes().empty()) {
+      if (node->GetOpDesc()->HasAttr(ATTR_NAME_RTS_LABEL_NODE)) {
+        node->GetOpDesc()->SetStreamId(context.default_stream);
+        GELOGD("Node %s of type %s in subgraph %s is assigned parent stream %ld (engine: %s).", node->GetName().c_str(),
+               node->GetType().c_str(), subgraph->name.c_str(), context.default_stream, engine_name.c_str());
+      } else if (IsEngineSkip(*subgraph) && node->GetInNodes().empty()) {
         GELOGD("Node %s of type %s in subgraph %s doesn't need to assign a stream (engine: %s).",
                node->GetName().c_str(), node->GetType().c_str(), subgraph->name.c_str(), engine_name.c_str());
       } else {
diff --git a/ge/graph/build/model_builder.cc b/ge/graph/build/model_builder.cc
index 593be7bb..56a5b4dc 100755
--- a/ge/graph/build/model_builder.cc
+++ b/ge/graph/build/model_builder.cc
@@ -23,7 +23,6 @@
 #include "graph/anchor.h"
 #include "graph/attr_value.h"
 #include "graph/buffer.h"
-#include "graph/build/label_allocator.h"
 #include "graph/build/stream_allocator.h"
 #include "graph/common/omg_util.h"
 #include "graph/common/ge_call_wrapper.h"
@@ -42,7 +41,6 @@
 #include "graph/utils/op_desc_utils.h"
 #include "graph/utils/tensor_utils.h"
 #include "graph/utils/type_utils.h"
-#include "graph/passes/memcpy_addr_async_pass.h"
 #include "init/gelib.h"
 #include "memory/memory_assigner.h"
 #include "omg/version.h"
@@ -692,25 +690,8 @@ Status ModelBuilder::BuildModelForGetTask(ge::Model &model) {
   GE_TIMESTAMP_END(AssignLogicalStreams, "GraphBuilder::AssignLogicalStreams");
 
   // Assign functional op labels.
-  GE_TIMESTAMP_START(AssignFunctionalLabels);
-  LabelAllocator label_allocator(compute_graph_);
-  GE_CHK_STATUS_RET(label_allocator.AssignFunctionalLabels(label_num_), "Assign label failed.");
-  GE_TIMESTAMP_END(AssignFunctionalLabels, "ModelBuilder::AssignFunctionalLabels");
-
-  // Add memcpy_addr_async node.
-  rtFeatureType_t feature_type = FEATURE_TYPE_MEMCPY;
-  int32_t feature_info = MEMCPY_INFO_SUPPORT_ZEROCOPY;
-  int64_t value = 0;
-  rtError_t rt_ret = rtGetRtCapability(feature_type, feature_info, &value);
-  if (rt_ret != RT_ERROR_NONE) {
-    GELOGE(RT_FAILED, "rtGetRtCapability failed.");
-    return RT_FAILED;
-  } else {
-    GE_TIMESTAMP_START(AddMemcpyAddrAsyncNode);
-    MemcpyAddrAsyncPass memcpy_addr;
-    GE_CHK_STATUS_RET(memcpy_addr.Run(compute_graph_), "Add memcpy_addr_async node failed.");
-    GE_TIMESTAMP_END(AddMemcpyAddrAsyncNode, "MemcpyAddrAsyncPass::Run.");
-  }
+  label_num_ = 0;
+  (void)AttrUtils::GetInt(*compute_graph_, ATTR_MODEL_LABEL_NUM, label_num_);
 
   GE_TIMESTAMP_START(AssignMemory);
   MemoryAssigner mem_assigner(compute_graph_);
diff --git a/ge/graph/label/label_maker.cc b/ge/graph/label/label_maker.cc
index 3f643fb2..0e1e571c 100644
--- a/ge/graph/label/label_maker.cc
+++ b/ge/graph/label/label_maker.cc
@@ -23,75 +23,65 @@
 #include "graph/debug/ge_attr_define.h"
 #include "graph/utils/graph_utils.h"
 
-namespace {
-const int64_t kInvalidStreamId = -1;
-}  // namespace
-
 namespace ge {
 /**
  * @ingroup ge
- * @brief Set stream id for head node.
+ * @brief Link node to graph head.
  * @param [in] graph: graph for add node.
- * @param [in] op_desc: OpDesc for set logical stream id.
+ * @param [in] node: Node add to graph head.
  * @return: void
  */
-void LabelMaker::SetStreamIdEnter(const ComputeGraphPtr &graph, const OpDescPtr &op_desc) {
-  int64_t stream_id = kInvalidStreamId;
-  const auto &node_list = graph->GetDirectNode();
-  for (size_t i = 0; i < node_list.size(); ++i) {
-    const auto &node = node_list.at(i);
-    GE_CHECK_NOTNULL_EXEC(node, continue);
+void LabelMaker::LinkToGraphHead(const ComputeGraphPtr &graph, const NodePtr &node) {
+  static const std::set<std::string> non_calc_types = { DATA, CONSTANT, CONSTANTOP, VARIABLE };
+  for (auto &n : graph->GetDirectNode()) {
+    if (non_calc_types.count(n->GetType()) > 0) {
+      continue;
+    }
 
-    stream_id = node->GetOpDesc()->GetStreamId();
-    if (stream_id != kInvalidStreamId) {
-      break;
+    const auto nodes = n->GetInDataNodes();
+    if (nodes.empty()) {
+      continue;
     }
-  }
 
-  GELOGI("SetStreamId: Node %s assign stream is %ld.", op_desc->GetName().c_str(), stream_id);
-  op_desc->SetStreamId(stream_id);
-}
+    bool is_head_node = true;
+    for (auto &in_node : nodes) {
+      if (non_calc_types.count(in_node->GetType()) == 0) {
+        is_head_node = false;
+        break;
+      }
+    }
 
-/**
- * @ingroup ge
- * @brief Set stream id for tail node.
- * @param [in] graph: graph for add node.
- * @param [in] op_desc: OpDesc for set logical stream id.
- * @return: void
- */
-void LabelMaker::SetStreamIdLeave(const ComputeGraphPtr &graph, const OpDescPtr &op_desc) {
-  int64_t stream_id = kInvalidStreamId;
-  const auto &node_list = graph->GetDirectNode();
-  for (size_t i = node_list.size(); i > 0; --i) {
-    const auto &node = node_list.at(i - 1);  // i from list size, need shift 1.
-    GE_CHECK_NOTNULL_EXEC(node, continue);
+    if (!is_head_node) {
+      continue;
+    }
 
-    stream_id = node->GetOpDesc()->GetStreamId();
-    if (stream_id != kInvalidStreamId) {
-      break;
+    if (GraphUtils::AddEdge(node->GetOutControlAnchor(), n->GetInControlAnchor()) != SUCCESS) {
+      GELOGE(INTERNAL_ERROR, "Add ctrl edge from %s to %s failed.", node->GetName().c_str(), n->GetName().c_str());
     }
   }
-
-  GELOGI("SetStreamId: Node %s assign stream is %ld.", op_desc->GetName().c_str(), stream_id);
-  op_desc->SetStreamId(stream_id);
 }
 
 /**
  * @ingroup ge
- * @brief Set stream id for parent node.
+ * @brief Link node to graph tail.
  * @param [in] graph: graph for add node.
- * @param [in] op_desc: OpDesc for set logical stream id.
+ * @param [in] node: Node add to graph tail.
  * @return: void
  */
-void LabelMaker::SetStreamIdOwner(const ComputeGraphPtr &graph, const OpDescPtr &op_desc) {
-  int64_t stream_id = kInvalidStreamId;
-  const auto &node = graph->GetParentNode();
-  if (node != nullptr) {
-    stream_id = node->GetOpDesc()->GetStreamId();
-  }
+void LabelMaker::LinkToGraphTail(const ComputeGraphPtr &graph, const NodePtr &node) {
+  auto tail = graph->FindFirstNodeMatchType(NETOUTPUT);
+  while (tail != nullptr) {
+    auto nodes = tail->GetOutControlNodes();
+    if (!nodes.empty()) {
+      tail = nodes.at(0);
+      continue;
+    }
 
-  GELOGI("SetStreamId: Node %s assign stream is %ld.", op_desc->GetName().c_str(), stream_id);
-  op_desc->SetStreamId(stream_id);
+    if (GraphUtils::AddEdge(tail->GetOutControlAnchor(), node->GetInControlAnchor()) != SUCCESS) {
+      GELOGE(INTERNAL_ERROR, "Add ctrl edge from %s to %s failed.", tail->GetName().c_str(), node->GetName().c_str());
+    }
+    return;
+  }
 }
 
 /**
@@ -112,7 +102,7 @@ NodePtr LabelMaker::AddStreamActive(const ComputeGraphPtr &graph, const std::str
 
   OpDescPtr op_desc = MakeShared<OpDesc>(name, STREAMACTIVE);
   GE_CHECK_NOTNULL_EXEC(op_desc, return nullptr);
-  SetStreamIdOwner(graph, op_desc);
+  (void)AttrUtils::SetBool(op_desc, ATTR_NAME_RTS_LABEL_NODE, true);
 
   GELOGI("StreamActive: Create node %s.", op_desc->GetName().c_str());
   vector<uint32_t> active_streams;
@@ -122,6 +112,7 @@ NodePtr LabelMaker::AddStreamActive(const ComputeGraphPtr &graph, const std::str
   NodePtr stream_active = graph->AddNodeFront(op_desc);
   GE_CHECK_NOTNULL_EXEC(stream_active, return nullptr);
 
+  LinkToGraphHead(graph, stream_active);
   return stream_active;
 }
 
@@ -146,7 +137,7 @@ NodePtr LabelMaker::AddLabelSetEnter(const ComputeGraphPtr &graph, const std::st
 
   OpDescPtr op_desc = MakeShared<OpDesc>(name, LABELSET);
   GE_CHECK_NOTNULL_EXEC(op_desc, return nullptr);
-  SetStreamIdOwner(graph, op_desc);
+  (void)AttrUtils::SetBool(op_desc, ATTR_NAME_RTS_LABEL_NODE, true);
 
   GELOGI("LabelSet: Create node %s.", op_desc->GetName().c_str());
   (void)AttrUtils::SetInt(op_desc, ATTR_NAME_LABEL_SWITCH_INDEX, index);
@@ -173,19 +164,9 @@ NodePtr LabelMaker::AddLabelSetEnter(const ComputeGraphPtr &graph, const std::st
 NodePtr LabelMaker::AddLabelSetLeave(const ComputeGraphPtr &graph, const std::string &name, uint32_t index) {
   GE_CHECK_NOTNULL_EXEC(graph, return nullptr);
 
-  const auto &node_list = graph->GetDirectNode();
-  auto it = node_list.end();
-  if (it == node_list.begin()) {
-    GELOGE(INTERNAL_ERROR, "LabelSet: Graph %s node is empty.", graph->GetName().c_str());
-    return nullptr;
-  }
-  --it;
-  const NodePtr &node = *it;
-  GE_CHECK_NOTNULL_EXEC(node, return nullptr);
-
   OpDescPtr op_desc = MakeShared<OpDesc>(name, LABELSET);
   GE_CHECK_NOTNULL_EXEC(op_desc, return nullptr);
-  SetStreamIdOwner(graph, op_desc);
+  (void)AttrUtils::SetBool(op_desc, ATTR_NAME_RTS_LABEL_NODE, true);
 
   GELOGI("LabelSet: Create node %s.", op_desc->GetName().c_str());
   (void)AttrUtils::SetInt(op_desc, ATTR_NAME_LABEL_SWITCH_INDEX, index);
@@ -194,11 +175,7 @@ NodePtr LabelMaker::AddLabelSetLeave(const ComputeGraphPtr &graph, const std::st
   GE_CHECK_NOTNULL_EXEC(label_set, return nullptr);
 
   // Link control edge to graph tail.
-  if (GraphUtils::AddEdge(node->GetOutControlAnchor(), label_set->GetInControlAnchor()) != SUCCESS) {
-    GELOGE(INTERNAL_ERROR, "LabelSet: Add ctrl edge to %s failed.", node->GetName().c_str());
-    return nullptr;
-  }
-
+  LinkToGraphTail(graph, label_set);
   return label_set;
 }
 
@@ -222,7 +199,7 @@ NodePtr LabelMaker::AddLabelGotoEnter(const ComputeGraphPtr &graph, const std::s
 
   OpDescPtr op_desc = MakeShared<OpDesc>(name, LABELGOTOEX);
   GE_CHECK_NOTNULL_EXEC(op_desc, return nullptr);
-  SetStreamIdOwner(graph, op_desc);
+  (void)AttrUtils::SetBool(op_desc, ATTR_NAME_RTS_LABEL_NODE, true);
 
   GELOGI("LabelGoto: Create node %s.", op_desc->GetName().c_str());
   (void)AttrUtils::SetInt(op_desc, ATTR_NAME_LABEL_SWITCH_INDEX, index);
@@ -246,32 +223,17 @@ NodePtr LabelMaker::AddLabelGotoEnter(const ComputeGraphPtr &graph, const std::s
 NodePtr LabelMaker::AddLabelGotoLeave(const ComputeGraphPtr &graph, const std::string &name, uint32_t index) {
   GE_CHECK_NOTNULL_EXEC(graph, return nullptr);
 
-  const auto &node_list = graph->GetDirectNode();
-  auto it = node_list.end();
-  if (it == node_list.begin()) {
-    GELOGE(INTERNAL_ERROR, "LabelGoto: Graph %s node is empty.", graph->GetName().c_str());
-    return nullptr;
-  }
-  --it;
-  const NodePtr &node = *it;
-  GE_CHECK_NOTNULL_EXEC(node, return nullptr);
-
   OpDescPtr op_desc = MakeShared<OpDesc>(name, LABELGOTOEX);
   GE_CHECK_NOTNULL_EXEC(op_desc, return nullptr);
-  SetStreamIdLeave(graph, op_desc);
+  (void)AttrUtils::SetBool(op_desc, ATTR_NAME_RTS_LABEL_NODE, true);
 
   GELOGI("LabelGoto: Create node %s.", op_desc->GetName().c_str());
   (void)AttrUtils::SetInt(op_desc, ATTR_NAME_LABEL_SWITCH_INDEX, index);
   NodePtr label_goto = graph->AddNode(op_desc);
   GE_CHECK_NOTNULL_EXEC(label_goto, return nullptr);
-  SetStreamIdOwner(graph, op_desc);
 
   // Link control edge to graph tail.
-  if (GraphUtils::AddEdge(node->GetOutControlAnchor(), label_goto->GetInControlAnchor()) != SUCCESS) {
-    GELOGE(INTERNAL_ERROR, "LabelGoto: Add ctrl edge to %s failed.", node->GetName().c_str());
-    return nullptr;
-  }
-
+  LinkToGraphTail(graph, label_goto);
   return label_goto;
 }
 
@@ -297,7 +259,7 @@ NodePtr LabelMaker::AddLabelSwitchEnter(const ComputeGraphPtr &graph, const std:
 
   OpDescPtr op_desc = MakeShared<OpDesc>(name, LABELSWITCHBYINDEX);
   GE_CHECK_NOTNULL_EXEC(op_desc, return nullptr);
-  SetStreamIdOwner(graph, op_desc);
+  (void)AttrUtils::SetBool(op_desc, ATTR_NAME_RTS_LABEL_NODE, true);
 
   GELOGI("LabelSwitchByIndex: Create node %s.", op_desc->GetName().c_str());
   if (op_desc->AddInputDesc(desc) != GRAPH_SUCCESS) {
@@ -332,19 +294,9 @@ NodePtr LabelMaker::AddLabelSwitchLeave(const ComputeGraphPtr &graph, const std:
                                         const std::vector<uint32_t> &labels) {
   GE_CHECK_NOTNULL_EXEC(graph, return nullptr);
 
-  const auto &node_list = graph->GetDirectNode();
-  auto it = node_list.end();
-  if (it == node_list.begin()) {
-    GELOGE(INTERNAL_ERROR, "LabelSwitchByIndex: Graph %s node is empty.", graph->GetName().c_str());
-    return nullptr;
-  }
-  --it;
-  const NodePtr &node = *it;
-  GE_CHECK_NOTNULL_EXEC(node, return nullptr);
-
   OpDescPtr op_desc = MakeShared<OpDesc>(name, LABELSWITCHBYINDEX);
   GE_CHECK_NOTNULL_EXEC(op_desc, return nullptr);
-  SetStreamIdOwner(graph, op_desc);
+  (void)AttrUtils::SetBool(op_desc, ATTR_NAME_RTS_LABEL_NODE, true);
 
   GELOGI("LabelSwitchByIndex: Create node %s.", op_desc->GetName().c_str());
   if (op_desc->AddInputDesc(desc) != GRAPH_SUCCESS) {
@@ -361,11 +313,7 @@ NodePtr LabelMaker::AddLabelSwitchLeave(const ComputeGraphPtr &graph, const std:
   GE_CHECK_NOTNULL_EXEC(label_switch, return nullptr);
 
   // Link control edge to graph tail.
-  if (GraphUtils::AddEdge(node->GetOutControlAnchor(), label_switch->GetInControlAnchor()) != SUCCESS) {
-    GELOGE(INTERNAL_ERROR, "LabelSwitchByIndex: Add ctrl edge to %s failed.", node->GetName().c_str());
-    return nullptr;
-  }
-
+  LinkToGraphTail(graph, label_switch);
   return label_switch;
 }
 
@@ -385,7 +333,6 @@ NodePtr LabelMaker::AddLabelSwitchIndex(const ComputeGraphPtr &graph, const std:
 
   OpDescPtr op_desc = MakeShared<OpDesc>(name, DATA);
   GE_CHECK_NOTNULL_EXEC(op_desc, return nullptr);
-  op_desc->SetStreamId(kInvalidStreamId);
 
   GELOGI("Data: Create node %s.", op_desc->GetName().c_str());
   if (op_desc->AddInputDesc(desc) != GRAPH_SUCCESS) {
diff --git a/ge/graph/label/label_maker.h b/ge/graph/label/label_maker.h
index 847c7904..424aae5f 100644
--- a/ge/graph/label/label_maker.h
+++ b/ge/graph/label/label_maker.h
@@ -60,9 +60,8 @@ class LabelMaker {
   ComputeGraphPtr parent_graph_;
 
  private:
-  void SetStreamIdEnter(const ComputeGraphPtr &graph, const OpDescPtr &op_desc);
-  void SetStreamIdLeave(const ComputeGraphPtr &graph, const OpDescPtr &op_desc);
-  void SetStreamIdOwner(const ComputeGraphPtr &graph, const OpDescPtr &op_desc);
+  void LinkToGraphHead(const ComputeGraphPtr &graph, const NodePtr &node);
+  void LinkToGraphTail(const ComputeGraphPtr &graph, const NodePtr &node);
 };
 }  // namespace ge
 #endif  // GE_GRAPH_PASSES_LABEL_MAKER_H_
diff --git a/ge/graph/manager/graph_manager.cc b/ge/graph/manager/graph_manager.cc
index 82931ffa..282cd7a6 100755
--- a/ge/graph/manager/graph_manager.cc
+++ b/ge/graph/manager/graph_manager.cc
@@ -100,6 +100,8 @@
 #include "graph/passes/subgraph_const_migration_pass.h"
 #include "graph/passes/unused_args_clean_pass.h"
 #include "graph/passes/global_step_insert_pass.h"
+#include "graph/passes/memcpy_addr_async_pass.h"
+#include "graph/build/label_allocator.h"
 #include "graph/utils/tensor_adapter.h"
 #include "graph/utils/type_utils.h"
 #include "graph/graph_util.h"
@@ -634,6 +636,13 @@ Status GraphManager::PreRunAfterOptimizeSubGraph(const GraphNodePtr &graph_node,
   GM_RUN_AND_DUMP_PERF("OptimizeGraphBeforeBuildForRts",
                        GetCompilerStages(graph_node->GetGraphId()).optimizer.OptimizeGraphBeforeBuildForRts,
                        compute_graph);
+
+  Status ret = compute_graph->TopologicalSorting();
+  if (ret != SUCCESS) {
+    GELOGE(ret, "Graph topological sort failed, ret:%d.", ret);
+    return ret;
+  }
+
   GM_RUN_AND_DUMP_PERF("Build", Build, graph_node, compute_graph, ge_root_model, session_id);
   GELOGI("PreRun:PreRunAfterOptimizeSubGraph success.");
   return SUCCESS;
@@ -2180,6 +2189,18 @@ Status GraphManager::OptimizeStage2(ge::ComputeGraphPtr &compute_graph) {
     return ret;
   }
 
+  // Assign functional op labels.
+  GE_TIMESTAMP_START(AssignFunctionalLabels);
+  LabelAllocator label_allocator(compute_graph);
+  GE_CHK_STATUS_RET(label_allocator.AssignFunctionalLabels(), "Assign label failed.");
+  GE_TIMESTAMP_END(AssignFunctionalLabels, "ModelBuilder::AssignFunctionalLabels");
+
+  // Add memcpy addr asynchronous node.
+  GE_TIMESTAMP_START(AddMemcpyAddrAsyncNode);
+  MemcpyAddrAsyncPass memcpy_addr;
+  GE_CHK_STATUS_RET(memcpy_addr.Run(compute_graph), "Add memcpy_addr_async node failed.");
+  GE_TIMESTAMP_END(AddMemcpyAddrAsyncNode, "MemcpyAddrAsyncPass::Run.");
+
   // After while sub graph handle, mark all node rw type
   auto result = GetCompilerStages(compute_graph->GetGraphID()).optimizer.HandleMemoryRWConflict(compute_graph);
   if (result != SUCCESS) {
@@ -2190,11 +2211,6 @@ Status GraphManager::OptimizeStage2(ge::ComputeGraphPtr &compute_graph) {
 
   ChangeConstTypeWhenTraining(compute_graph);
 
-  ret = compute_graph->TopologicalSorting();
-  if (ret != SUCCESS) {
-    GELOGE(ret, "Graph topological sort failed, ret:%d.", ret);
-    return ret;
-  }
   GELOGI("End optimize after merge sub graph.");
   return SUCCESS;
 }
diff --git a/ge/graph/manager/rdma_pool_allocator.cc b/ge/graph/manager/rdma_pool_allocator.cc
index 03e01bd2..93d1fd1d 100644
--- a/ge/graph/manager/rdma_pool_allocator.cc
+++ b/ge/graph/manager/rdma_pool_allocator.cc
@@ -202,7 +202,7 @@ Status RdmaPoolAllocator::GetBaseAddr(uint64_t &base_addr, uint64_t &mem_size) {
     GELOGE(INTERNAL_ERROR, "Rdma base addr is nullptr.");
     return INTERNAL_ERROR;
   }
-  base_addr = reinterpret_cast<uint64_t>(reinterpret_cast<uintptr_t>(rdma_base_addr_));
+  base_addr = static_cast<uint64_t>(reinterpret_cast<uintptr_t>(rdma_base_addr_));
   mem_size = rdma_mem_size_;
   return SUCCESS;
 }
diff --git a/ge/graph/passes/mark_agnostic_pass.cc b/ge/graph/passes/mark_agnostic_pass.cc
index 77fa64fb..00a3dad9 100644
--- a/ge/graph/passes/mark_agnostic_pass.cc
+++ b/ge/graph/passes/mark_agnostic_pass.cc
@@ -21,7 +21,7 @@ namespace ge {
 Status MarkAgnosticPass::Run(ComputeGraphPtr graph) {
   for (const auto &node : graph->GetDirectNode()) {
     auto node_type = NodeUtils::GetNodeType(*node);
-    if (node_type == SWITCH || node_type == REFSWITCH || node_type == SWITCHN) {
+    if (node_type == SWITCH || node_type == SWITCHN) {
       GELOGD("Mark format agnostic and continuous for switch node %s", node->GetName().c_str());
       const OpDescPtr op_desc = node->GetOpDesc();
       const GeTensorDescPtr op_tensor = op_desc->MutableInputDesc(0);
@@ -37,10 +37,15 @@ Status MarkAgnosticPass::Run(ComputeGraphPtr graph) {
     if (node_type == IDENTITY) {
       GELOGD("Mark format agnostic for identity node %s", node->GetName().c_str());
       AttrUtils::SetInt(node->GetOpDesc(), "_format_agnostic", 1);
+      continue;
+    }
+    if (node_type == REFMERGE || node_type == REFSWITCH) {
+      GELOGD("Mark format agnostic for regmerge and refswitch node %s", node->GetName().c_str());
+      AttrUtils::SetInt(node->GetOpDesc(), "_format_agnostic", 1);
       AttrUtils::SetListInt(node->GetOpDesc(), "_format_agnostic_except_input", std::vector<int64_t>({1}));
       continue;
     }
-    if (node_type == MERGE || node_type == REFMERGE) {
+    if (node_type == MERGE) {
       GELOGD("Mark format agnostic and continuous for merge node %s", node->GetName().c_str());
       const OpDescPtr op_desc = node->GetOpDesc();
       const GeTensorDescPtr op_tensor = op_desc->MutableOutputDesc(0);
diff --git a/ge/graph/passes/memcpy_addr_async_pass.cc b/ge/graph/passes/memcpy_addr_async_pass.cc
index 3ede39a7..a9e3f4c4 100755
--- a/ge/graph/passes/memcpy_addr_async_pass.cc
+++ b/ge/graph/passes/memcpy_addr_async_pass.cc
@@ -25,6 +25,14 @@
 namespace ge {
 Status MemcpyAddrAsyncPass::Run(ComputeGraphPtr graph) {
   GE_CHECK_NOTNULL(graph);
+
+  int64_t value = 0;
+  rtError_t rt_ret = rtGetRtCapability(FEATURE_TYPE_MEMCPY, MEMCPY_INFO_SUPPORT_ZEROCOPY, &value);
+  if (rt_ret != RT_ERROR_NONE) {
+    GELOGE(RT_FAILED, "rtGetRtCapability failed, error=0x%x.", rt_ret);
+    return RT_FAILED;
+  }
+
   for (auto &node : graph->GetAllNodes()) {
     auto op_desc = node->GetOpDesc();
     GE_IF_BOOL_EXEC(op_desc == nullptr, continue);
@@ -210,9 +218,18 @@ NodePtr MemcpyAddrAsyncPass::CreateMemcpyAddrAsyncNode(const ComputeGraphPtr &gr
     return nullptr;
   }
 
-  int64_t stream_id = out_of_user_data->GetOpDesc()->GetStreamId();
-  op_desc->SetStreamId(stream_id);
-  GELOGI("SetStreamId: Node %s assign stream is %ld.", op_desc->GetName().c_str(), stream_id);
+  string stream_label;
+  if (AttrUtils::GetStr(out_of_user_data->GetOpDesc(), ATTR_NAME_STREAM_LABEL, stream_label)) {
+    (void)AttrUtils::SetStr(op_desc, ATTR_NAME_STREAM_LABEL, stream_label);
+    GELOGD("Node %s set stream label: %s", op_desc->GetName().c_str(), stream_label.c_str());
+  }
+
+  bool rts_label_node = false;
+  if (AttrUtils::GetBool(out_of_user_data->GetOpDesc(), ATTR_NAME_RTS_LABEL_NODE, rts_label_node)) {
+    (void)AttrUtils::SetBool(op_desc, ATTR_NAME_RTS_LABEL_NODE, rts_label_node);
+    GELOGD("Node %s set rts label node attribute", op_desc->GetName().c_str());
+  }
+
   bool labeled_input = false;
   (void)ge::AttrUtils::GetBool(out_of_user_data->GetOpDesc(), ATTR_NAME_NODE_CONNECT_INPUT, labeled_input);
   if (labeled_input) {
diff --git a/ge/graph/passes/merge_pass.cc b/ge/graph/passes/merge_pass.cc
index 61aab4aa..d2340037 100644
--- a/ge/graph/passes/merge_pass.cc
+++ b/ge/graph/passes/merge_pass.cc
@@ -79,6 +79,13 @@ Status MergePass::Run(NodePtr &node) {
           return FAILED;
         }
       }
+      auto in_node = in_data_nodes.at(0);
+      if (IsMergeInputNeedOptimized(in_node)) {
+        if (IsolateAndDeleteNode(in_node, {0}) != SUCCESS) {
+          GELOGE(FAILED, "Isolate and delete node %s failed.", in_node->GetName().c_str());
+          return FAILED;
+        }
+      }
       return IsolateAndDeleteNode(node, merge_io_map);
     }
     default: {
@@ -172,4 +179,27 @@ Status MergePass::CreateConstByValue(NodePtr &node, int value_index, OpDescPtr &
   GE_CHK_STATUS_RET(op_desc->AddOutputDesc(original_out_tensor_desc), "add out put desc failed");
   return SUCCESS;
 }
+
+bool MergePass::IsMergeInputNeedOptimized(NodePtr &node) const {
+  if (node == nullptr) {
+    return false;
+  }
+  // node is not inserted by MergeInputMemcpyPass
+  if ((node->GetType() != MEMCPYASYNC) && (node->GetType() != MEMCPYADDRASYNC)) {
+    return false;
+  }
+  if (node->GetInDataNodes().size() != 1) {
+    return false;
+  }
+
+  auto in_node = node->GetInDataNodes().at(0);
+  if (in_node == nullptr) {
+    return false;
+  }
+  // in_node may be global_step var
+  if ((in_node->GetType() == VARIABLE) || (in_node->GetType() == VARIABLEV2)) {
+    return false;
+  }
+  return true;
+}
 }  // namespace ge
diff --git a/ge/graph/passes/merge_pass.h b/ge/graph/passes/merge_pass.h
index 53582ff6..2cdb5022 100755
--- a/ge/graph/passes/merge_pass.h
+++ b/ge/graph/passes/merge_pass.h
@@ -28,6 +28,7 @@ class MergePass : public BaseNodePass {
   bool IsNeedChangeIndexToConstant(NodePtr &node) const;
   Status ChangeIndexToConstant(NodePtr &node, int &value_index);
   Status CreateConstByValue(NodePtr &node, int value_index, OpDescPtr &op_desc);
+  bool IsMergeInputNeedOptimized(NodePtr &node) const;
 };
 }  // namespace ge
 #endif  // GE_GRAPH_PASSES_MERGE_PASS_H_
diff --git a/ge/graph/passes/next_iteration_pass.cc b/ge/graph/passes/next_iteration_pass.cc
index 5cd0f29f..d8c4779d 100644
--- a/ge/graph/passes/next_iteration_pass.cc
+++ b/ge/graph/passes/next_iteration_pass.cc
@@ -173,14 +173,17 @@ Status NextIterationPass::FindWhileGroups() {
 
           NodePtr next_node = nullptr;
           if (FindTargetNode(out_node, NEXTITERATION, true, batch_label, next_node) != SUCCESS) {
-            GELOGE(INTERNAL_ERROR, "Get NextIteration node failed.");
+            GELOGE(INTERNAL_ERROR,
+                   "Get NextIteration node failed: inputs of Merge should be Enter/NextIteration, current_Merge=%s",
+                   out_node->GetName().c_str());
             return INTERNAL_ERROR;
           }
           batch_iter.second->merge_next_pairs.emplace_back(std::make_pair(out_node, next_node));
 
           NodePtr switch_node = nullptr;
           if (FindTargetNode(out_node, SWITCH, false, batch_label, switch_node) != SUCCESS) {
-            GELOGE(INTERNAL_ERROR, "Get Switch node failed.");
+            GELOGE(INTERNAL_ERROR, "Get Switch node failed: output of Merge should be Switch, current_Merge=%s",
+                   out_node->GetName().c_str());
             return INTERNAL_ERROR;
           }
           if (switch_node == nullptr) {
@@ -189,7 +192,9 @@ Status NextIterationPass::FindWhileGroups() {
 
           NodePtr loop_cond = nullptr;
           if (FindTargetNode(switch_node, LOOPCOND, true, batch_label, loop_cond) != SUCCESS) {
-            GELOGE(INTERNAL_ERROR, "Get LoopCond node failed.");
+            GELOGE(INTERNAL_ERROR,
+                   "Get LoopCond node failed: pred input of Switch should be LoopCond, current_Switch=%s",
+                   switch_node->GetName().c_str());
             return INTERNAL_ERROR;
           }
           if (batch_iter.second->loop_cond == nullptr) {
diff --git a/ge/graph/preprocess/graph_preprocess.cc b/ge/graph/preprocess/graph_preprocess.cc
index f90c0d80..98371426 100644
--- a/ge/graph/preprocess/graph_preprocess.cc
+++ b/ge/graph/preprocess/graph_preprocess.cc
@@ -117,6 +117,7 @@
 #include "graph/passes/variable_op_pass.h"
 #include "graph/passes/variable_prepare_op_pass.h"
 #include "graph/passes/variable_ref_delete_op_pass.h"
+#include "graph/passes/mark_agnostic_pass.h"
 
 
 namespace ge {
@@ -1626,6 +1627,7 @@ Status GraphPrepare::PrepareOptimize() {
   try {
     (void)original_graph_passes.AddPass("PrepareOptimize::ShapeOperateOpRemovePass", new ShapeOperateOpRemovePass);
     (void)original_graph_passes.AddPass("PrepareOptimize::ReplaceTransShapePass", new ReplaceTransShapePass);
+    (void)original_graph_passes.AddPass("PrepareOptimize::MarkAgnosticPass", new MarkAgnosticPass);
   } catch (std::bad_alloc &e) {
     GELOGE(INTERNAL_ERROR, "Add pass failed, bad memory allocation occurs.");
     return INTERNAL_ERROR;
diff --git a/ge/graph/preprocess/insert_op/util_insert_aipp_op.cc b/ge/graph/preprocess/insert_op/util_insert_aipp_op.cc
index 66235d52..a1eb104d 100755
--- a/ge/graph/preprocess/insert_op/util_insert_aipp_op.cc
+++ b/ge/graph/preprocess/insert_op/util_insert_aipp_op.cc
@@ -40,8 +40,6 @@ using domi::AippOpParams;
 namespace ge {
 namespace {
 const char *const kMbatchSwitchnName = "mbatch-switch-name";
-const int64_t kFormatAgnosticSwitch = 1;
-const int64_t kFormatDependInputIndex = 1;
 }  // namespace
 static void ConvertShape2Nhwc(Format &format, vector<int64_t> &shape_vec) {
   if ((format == FORMAT_NHWC) || (shape_vec.size() != static_cast<size_t>(NORMAL_TENSOR_SIZE))) {
@@ -269,23 +267,6 @@ Status InsertNewOpUtil::GetAippParams(const std::unique_ptr<domi::AippOpParams>
   return SUCCESS;
 }
 
-Status InsertNewOpUtil::AddFormatAgnosticAttrToSwitchn(const NodePtr &aipp_node) {
-  GE_CHECK_NOTNULL(aipp_node);
-  auto next_nodes = aipp_node->GetOutDataNodes();
-  for (const auto next_node : next_nodes) {
-    GE_CHECK_NOTNULL(next_node);
-    auto op_desc = next_node->GetOpDesc();
-    GE_CHECK_NOTNULL(op_desc);
-    if (op_desc->GetType() == SWITCHN) {
-      GELOGI("Find switchn node [%s] after aipp [%s]", op_desc->GetName().c_str(), aipp_node->GetName().c_str());
-      (void)AttrUtils::SetInt(op_desc, "_format_agnostic", kFormatAgnosticSwitch);
-      (void)AttrUtils::SetListInt(op_desc, "_format_agnostic_except_input",
-                                  std::vector<int64_t>({kFormatDependInputIndex}));
-    }
-  }
-  return SUCCESS;
-}
-
 Status InsertNewOpUtil::UpdateDataNodeByAipp(const ComputeGraphPtr &graph) {
   std::map<std::string, NodePtr> switchn_names_to_data;
   std::set<NodePtr> updated_switchn;
@@ -300,9 +281,6 @@ Status InsertNewOpUtil::UpdateDataNodeByAipp(const ComputeGraphPtr &graph) {
     }
     if (node->GetType() == AIPP) {
       GE_RETURN_IF_ERROR(UpdatePrevNodeByAipp(node, updated_switchn));
-      // In dynamic batch/HW and dynamic aipp scend, switchn should be set format agnostic, otherwise transdata maybe
-      // inserted between aipp and switchn which introduce performance and memory increase problem.
-      GE_RETURN_IF_ERROR(AddFormatAgnosticAttrToSwitchn(node));
     }
     if (node->GetType() == CASE && node->GetOpDesc()->HasAttr(ATTR_NAME_BATCH_NUM)) {
       multbatch_case = node;
diff --git a/ge/graph/preprocess/insert_op/util_insert_aipp_op.h b/ge/graph/preprocess/insert_op/util_insert_aipp_op.h
index 52e7ed5d..d917b74d 100644
--- a/ge/graph/preprocess/insert_op/util_insert_aipp_op.h
+++ b/ge/graph/preprocess/insert_op/util_insert_aipp_op.h
@@ -68,7 +68,6 @@ class InsertNewOpUtil {
   void UpdateMultiBatchInputDims(const OpDescPtr &data_opdesc, Format &old_format);
   Status UpdatePrevNodeByAipp(NodePtr &node, std::set<NodePtr> &switchns);
   Status UpdateDataBySwitchN(const NodePtr &switchn, const NodePtr &data);
-  Status AddFormatAgnosticAttrToSwitchn(const NodePtr &aipp_node);
   Status GetDataRelatedNode(NodePtr &node, std::map<NodePtr, std::set<NodePtr>> &data_next_node_map);
   Status GetAllAipps(const NodePtr &data_node, const NodePtr &node, std::vector<NodePtr> &aipps);
   Status GetInputOutputInfo(NodePtr &data_node, NodePtr &aipp_node, std::string &input, std::string &output);
diff --git a/ge/hybrid/common/npu_memory_allocator.cc b/ge/hybrid/common/npu_memory_allocator.cc
index bf5af73b..b8a137cb 100644
--- a/ge/hybrid/common/npu_memory_allocator.cc
+++ b/ge/hybrid/common/npu_memory_allocator.cc
@@ -45,16 +45,9 @@ NpuMemoryAllocator *NpuMemoryAllocator::GetAllocator() {
 NpuMemoryAllocator::NpuMemoryAllocator(uint32_t device_id) : device_id_(device_id) {}
 
 void *NpuMemoryAllocator::Allocate(std::size_t size, AllocationAttr *attr) {
-  void *try_reuse_addr = nullptr;
   size_t allocate_size = size;
   MemStorageType mem_type = HBM;
   if (attr != nullptr) {
-    try_reuse_addr = attr->try_reuse_addr_;
-    if (attr->padding_ != 0) {
-      // padding up to multiple of attr->padding, and add extra attr->padding_
-      allocate_size = (size + 2 * attr->padding_ - 1) / attr->padding_ * attr->padding_;
-      GELOGD("Padding size %ld by %d. final size = %zu.", size, attr->padding_, allocate_size);
-    }
     mem_type = attr->mem_type_;
   }
 
@@ -69,6 +62,17 @@ void *NpuMemoryAllocator::Allocate(std::size_t size, AllocationAttr *attr) {
   } else if (mem_type == HOST_DDR) {
     buffer = malloc(allocate_size);
   } else {
+    void *try_reuse_addr = nullptr;
+    int padding = kDefaultPadding;
+    if (attr != nullptr) {
+      try_reuse_addr = attr->try_reuse_addr_;
+      if (attr->padding_ > 0) {
+        padding = attr->padding_;
+      }
+    }
+    // padding up to multiple of padding, and add extra padding
+    allocate_size = (size + 2 * padding - 1) / padding * padding;
+    GELOGD("Padding size %ld by %d. final size = %zu.", size, padding, allocate_size);
     buffer = MemManager::Instance()
                  .CachingInstance(RT_MEMORY_HBM)
                  .Malloc(allocate_size, reinterpret_cast<uint8_t *>(try_reuse_addr), device_id_);
diff --git a/ge/hybrid/executor/worker/execution_engine.cc b/ge/hybrid/executor/worker/execution_engine.cc
index 7dc65433..d230b949 100755
--- a/ge/hybrid/executor/worker/execution_engine.cc
+++ b/ge/hybrid/executor/worker/execution_engine.cc
@@ -120,11 +120,13 @@ Status NodeDoneCallback::PrepareConstInputs(const NodeItem &node_item) {
            node_item.NodeName().c_str(),
            output_idx,
            output_tensor->GetSize());
-    GE_CHK_RT_RET(rtMemcpy(host_buffer.data(),
-                           tensor_size,
-                           output_tensor->GetData(),
-                           tensor_size,
-                           RT_MEMCPY_DEVICE_TO_HOST));
+    if (tensor_size > 0) {
+      GE_CHK_RT_RET(rtMemcpy(host_buffer.data(),
+                             tensor_size,
+                             output_tensor->GetData(),
+                             tensor_size,
+                             RT_MEMCPY_DEVICE_TO_HOST));
+    }
     tensor.SetData(std::move(host_buffer));
     string session_id = std::to_string(context_->GetSessionId());
     RuntimeInferenceContext *runtime_infer_ctx = nullptr;
diff --git a/ge/hybrid/model/hybrid_model_builder.cc b/ge/hybrid/model/hybrid_model_builder.cc
index f47a02fd..e484d973 100755
--- a/ge/hybrid/model/hybrid_model_builder.cc
+++ b/ge/hybrid/model/hybrid_model_builder.cc
@@ -257,7 +257,7 @@ Status HybridModelBuilder::ParseDependentInputNodes(NodeItem &node_item, const s
   }
 
   // cond or branch need to be prepared before the execution of IF or CASE
-  if (node_item.node_type == IF || node_item.node_type == CASE) {
+  if (node_item.node_type == IF || node_item.node_type == STATELESSIF || node_item.node_type == CASE) {
     const auto &in_anchor = ge_node->GetInDataAnchor(0);
     GE_CHECK_NOTNULL(in_anchor);
     const auto &peer_anchor = in_anchor->GetPeerOutAnchor();
@@ -701,6 +701,9 @@ Status HybridModelBuilder::LoadGraph() {
       GE_CHK_STATUS_RET(IdentifyVariableOutputs(*parent_node_item),
                         "[%s] Failed to identify ref outputs.",
                         parent_node_item->NodeName().c_str());
+      GE_CHK_STATUS_RET(IdentifySameInputs(*parent_node_item),
+                        "[%s] Failed to identify same outputs.",
+                        parent_node_item->NodeName().c_str());
 
       // if parent is function control op. need add a virtual partitioned call
       if (parent_node_item->IsControlOp()) {
@@ -917,7 +920,7 @@ Status HybridModelBuilder::LoadGeModel(ComputeGraph &sub_graph, const GeModelPtr
   auto parent_node = sub_graph.GetParentNode();
   GE_CHECK_NOTNULL(parent_node);
   auto op_type = parent_node->GetType();
-  if (op_type == IF || op_type == CASE || op_type == WHILE) {
+  if (IsControlOp(op_type)) {
     GELOGD("Set ge_model for control op subgraph: [%s], task_size = %d",
            sub_graph.GetName().c_str(),
            ge_model->GetModelTaskDefPtr()->task_size());
@@ -1162,6 +1165,46 @@ Status HybridModelBuilder::InitRuntimeParams() {
   return SUCCESS;
 }
 
+Status HybridModelBuilder::IdentifySameInputs(NodeItem &node_item) {
+  GELOGD("Start to parse same inputs on net output: %s", node_item.NodeName().c_str());
+  auto subgraph = NodeUtils::GetSubgraph(*node_item.node, kSubgraphIndex);
+  GE_CHECK_NOTNULL(subgraph);
+  auto net_output_node = subgraph->FindFirstNodeMatchType(NETOUTPUT);
+  if (net_output_node == nullptr) {
+    GELOGD("Subgraph [%s] does not have net output", subgraph->GetName().c_str());
+    return SUCCESS;
+  }
+
+  auto net_output_desc = net_output_node->GetOpDesc();
+  GE_CHECK_NOTNULL(net_output_desc);
+
+  std::map<std::string, int> connected_inputs;
+  for (const auto &in_data_anchor : net_output_node->GetAllInDataAnchors()) {
+    auto out_data_anchor = in_data_anchor->GetPeerOutAnchor();
+    if (out_data_anchor == nullptr) {
+      continue;
+    }
+    auto src_node = out_data_anchor->GetOwnerNode();
+    GE_CHECK_NOTNULL(src_node);
+    auto op_desc = src_node->GetOpDesc();
+    GE_CHECK_NOTNULL(op_desc);
+
+    std::string input_key = std::to_string(op_desc->GetId()) + "_" + std::to_string(out_data_anchor->GetIdx());
+    auto it = connected_inputs.find(input_key);
+    if (it == connected_inputs.end()) {
+      connected_inputs.emplace(input_key, in_data_anchor->GetIdx());
+    } else {
+      GELOGD("[%s] output [%d] reuse output [%d] input node = %s, idx = %d.", node_item.NodeName().c_str(),
+             in_data_anchor->GetIdx(),
+             it->second,
+             src_node->GetName().c_str(),
+             out_data_anchor->GetIdx());      
+      node_item.reuse_outputs.emplace(in_data_anchor->GetIdx(), it->second);
+    }
+  }
+  return SUCCESS;
+}
+
 Status HybridModelBuilder::IdentifyVariableOutputs(NodeItem &node_item) {
   GELOGD("Start to parse outputs of node: %s", node_item.NodeName().c_str());
   auto subgraph = NodeUtils::GetSubgraph(*node_item.node, kSubgraphIndex);
diff --git a/ge/hybrid/model/hybrid_model_builder.h b/ge/hybrid/model/hybrid_model_builder.h
index d78d622b..86e5ec01 100644
--- a/ge/hybrid/model/hybrid_model_builder.h
+++ b/ge/hybrid/model/hybrid_model_builder.h
@@ -59,6 +59,7 @@ class HybridModelBuilder {
   Status LoadGeModel(ComputeGraph &graph, const GeModelPtr &ge_model);
   Status LoadTasks();
   Status IdentifyVariableOutputs(NodeItem &node_item);
+  Status IdentifySameInputs(NodeItem &node_item);
   Status BuildNodeItem(const NodePtr &node, NodeItem &node_item);
   Status GetOrCreateNodeItem(const NodePtr &node, NodeItem **node_item);
   Status ParseDependentInputNodes(NodeItem &node_item, const std::vector<string> &dependencies);
diff --git a/ge/hybrid/model/node_item.cc b/ge/hybrid/model/node_item.cc
index 4a019487..e83e297b 100644
--- a/ge/hybrid/model/node_item.cc
+++ b/ge/hybrid/model/node_item.cc
@@ -28,6 +28,9 @@ namespace hybrid {
 namespace {
 const char * const kAttrNameOriginalFusionGraph = "_original_fusion_graph";
 const char * const kNodeTypeRetVal = "_RetVal";
+std::set<std::string> kControlOpTypes {
+    IF, STATELESSIF, CASE, WHILE, STATELESSWHILE
+};
 
 Status ParseInputMapping(Node &node, OpDesc &op_desc, FusedSubgraph &fused_subgraph) {
   uint32_t parent_index = 0;
@@ -102,6 +105,11 @@ Status ParseFusedSubgraph(NodeItem &node_item) {
   return SUCCESS;
 }
 }  // namespace
+
+bool IsControlOp(const std::string &op_type) {
+  return kControlOpTypes.count(op_type) > 0;
+}
+
 NodeItem::NodeItem(NodePtr node): node(std::move(node)) {
   this->op_desc = this->node->GetOpDesc().get();
   this->node_id = this->op_desc->GetId();
@@ -153,8 +161,7 @@ Status NodeItem::Init() {
 }
 
 bool NodeItem::IsControlOp() const {
-  auto op_type = op_desc->GetType();
-  return op_type == IF || op_type == CASE || op_type == WHILE || op_type == FOR;
+  return ge::hybrid::IsControlOp(op_desc->GetType());
 }
 
 std::string NodeItem::DebugString() const {
diff --git a/ge/hybrid/model/node_item.h b/ge/hybrid/model/node_item.h
index c10cf13e..82695a40 100644
--- a/ge/hybrid/model/node_item.h
+++ b/ge/hybrid/model/node_item.h
@@ -36,6 +36,8 @@ struct FusedSubgraph {
   ComputeGraphPtr graph;
 };
 
+bool IsControlOp(const std::string &op_type);
+
 // for caching static information across execution
 struct NodeItem {
   explicit NodeItem(NodePtr node);
@@ -83,6 +85,7 @@ struct NodeItem {
   const NodeExecutor *node_executor = nullptr;
   std::map<int, ge::NodePtr> ref_outputs;
   std::map<int, int> reuse_inputs;
+  std::map<int, int> reuse_outputs;
 
   std::vector<bool> is_input_shape_static;
   bool is_output_shape_static = true;
diff --git a/ge/hybrid/node_executor/aicore/aicore_node_executor.cc b/ge/hybrid/node_executor/aicore/aicore_node_executor.cc
index 09c516fb..4c32f131 100755
--- a/ge/hybrid/node_executor/aicore/aicore_node_executor.cc
+++ b/ge/hybrid/node_executor/aicore/aicore_node_executor.cc
@@ -156,6 +156,13 @@ Status AiCoreNodeExecutor::CompileTask(const HybridModel &model,
 
 Status AiCoreNodeTask::ExecuteAsync(TaskContext &context, std::function<void()> done_callback) {
   RECORD_EXECUTION_EVENT(context.GetExecutionContext(), context.GetNodeName(), "[AiCoreNodeTaskExecuteAsync] Start");
+  if (IsNoOp(context)) {
+    GELOGD("[%s] Skipping execution for op with empty outputs", context.GetNodeName());
+    auto ret = context.TryExecuteCallback(done_callback);
+    RECORD_EXECUTION_EVENT(context.GetExecutionContext(), context.GetNodeName(), "[AiCoreNodeTaskExecuteAsync] End");
+    return ret;
+  }
+
   auto op_desc = context.GetNodeItem().op_desc;
   GE_CHECK_NOTNULL(op_desc);
   GELOGI("[%s] ExecuteAsync Start.", op_desc->GetName().c_str());
@@ -219,5 +226,18 @@ bool AiCoreNodeTask::IsSupportDynamicShape() {
 
   return true;
 }
+
+bool AiCoreNodeTask::IsNoOp(TaskContext &task_context) {
+  for (int i = 0; i < task_context.NumOutputs(); ++i) {
+    const auto &tensor_desc = task_context.MutableOutputDesc(i);
+    GE_CHECK_NOTNULL(tensor_desc);
+    const auto &shape = tensor_desc->MutableShape();
+    if (shape.IsScalar() || shape.GetShapeSize() > 0) {
+      return false;
+    }
+  }
+
+  return true;
+}
 }  // namespace hybrid
 }  // namespace ge
diff --git a/ge/hybrid/node_executor/aicore/aicore_node_executor.h b/ge/hybrid/node_executor/aicore/aicore_node_executor.h
index b4afc34c..374782dc 100755
--- a/ge/hybrid/node_executor/aicore/aicore_node_executor.h
+++ b/ge/hybrid/node_executor/aicore/aicore_node_executor.h
@@ -52,6 +52,7 @@ class AiCoreNodeTask : public NodeTask {
   Status UpdateArgs(TaskContext &context) override;
   Status ExecuteAsync(TaskContext &context, std::function<void()> done_callback) override;
  private:
+  static bool IsNoOp(TaskContext &task_context);
   std::vector<std::unique_ptr<AiCoreOpTask>> tasks_;
 };
 
diff --git a/ge/hybrid/node_executor/controlop/control_op_executor.cc b/ge/hybrid/node_executor/controlop/control_op_executor.cc
index 5f9dde2a..88c82e6e 100644
--- a/ge/hybrid/node_executor/controlop/control_op_executor.cc
+++ b/ge/hybrid/node_executor/controlop/control_op_executor.cc
@@ -404,11 +404,11 @@ Status ControlOpNodeExecutor::LoadTask(const HybridModel &model,
 
   unique_ptr<ControlOpNodeTask> node_task;
   auto node_type = node->GetType();
-  if (node_type == IF) {
+  if (node_type == IF || node_type == STATELESSIF) {
     node_task.reset(new(std::nothrow) IfOpNodeTask());
   } else if (node_type == CASE) {
     node_task.reset(new(std::nothrow) CaseOpNodeTask());
-  } else if (node_type == WHILE) {
+  } else if (node_type == WHILE || node_type == STATELESSWHILE) {
     node_task.reset(new(std::nothrow) WhileOpNodeTask());
   } else {
     GELOGE(PARAM_INVALID, "[%s] Unsupported type: %s", node->GetName().c_str(), node_type.c_str());
diff --git a/ge/hybrid/node_executor/hccl/hccl_node_executor.cc b/ge/hybrid/node_executor/hccl/hccl_node_executor.cc
index 0d6f52e8..723cb7bc 100644
--- a/ge/hybrid/node_executor/hccl/hccl_node_executor.cc
+++ b/ge/hybrid/node_executor/hccl/hccl_node_executor.cc
@@ -189,13 +189,20 @@ Status RdmaNodeTask::ExtractTensor(TaskContext &context, vector<HcomRemoteAccess
   }
   GE_CHECK_NOTNULL(tv);
   auto local_addr = reinterpret_cast<uint64_t>(reinterpret_cast<uintptr_t>(tv->MutableData()));
-  addr_infos.resize(dims.front());
-  for (auto idx = 0; idx < dims.front(); ++idx) {
+  auto row_num = dims.front();
+  addr_infos.resize(row_num);
+  auto device_len = tv->GetSize() / row_num;
+  if (device_len <= 0 || device_len > data[kVarTableIdxLen]) {
+    GELOGE(FAILED, "Local embedding length is out of range.");
+    return FAILED;
+  }
+
+  for (auto idx = 0; idx < row_num; ++idx) {
     FMK_INT64_MULCHECK(idx, kVarTableRowCnt);
     auto line_idx = idx * kVarTableRowCnt;
     addr_infos[idx] = {static_cast<uint32_t>(data[line_idx]), data[line_idx + kVarTableIdxAddr], local_addr,
-                       data[line_idx + kVarTableIdxLen]};
-    local_addr += data[line_idx + kVarTableIdxLen];
+                       device_len};
+    local_addr += device_len;
   }
 
   return SUCCESS;
diff --git a/ge/hybrid/node_executor/node_executor.cc b/ge/hybrid/node_executor/node_executor.cc
index fdfdfb51..7f11c20a 100755
--- a/ge/hybrid/node_executor/node_executor.cc
+++ b/ge/hybrid/node_executor/node_executor.cc
@@ -97,7 +97,7 @@ NodeExecutorManager::ExecutorType NodeExecutorManager::ResolveExecutorType(Node
     return ExecutorType::GE_LOCAL;
   }
 
-  if (op_type == IF || op_type == CASE || op_type == WHILE) {
+  if (IsControlOp(op_type)) {
     return ExecutorType::CONTROL_OP;
   }
 
diff --git a/ge/hybrid/node_executor/task_context.cc b/ge/hybrid/node_executor/task_context.cc
index 29fc777b..7bdc587b 100644
--- a/ge/hybrid/node_executor/task_context.cc
+++ b/ge/hybrid/node_executor/task_context.cc
@@ -221,16 +221,22 @@ Status TaskContext::AllocateOutput(int index,
     GE_CHECK_NOTNULL(ref_tensor);
     outputs_start_[index] = *ref_tensor;
   } else {
-    auto reuse_input = node_item_->reuse_inputs.find(index);
-    if (reuse_input != node_item_->reuse_inputs.end()) {
-      GELOGD("[%s] Output[%d] is referenced to input[%d]", GetNodeName(), index, reuse_input->second);
-      outputs_start_[index] = inputs_start_[reuse_input->second];
+    auto reuse_output_it = node_item_->reuse_outputs.find(index);
+    if (reuse_output_it != node_item_->reuse_outputs.end()) {
+      GELOGD("[%s] reuse output [%d] with output [%d]", GetNodeName(), index, reuse_output_it->second);
+      outputs_start_[index] = outputs_start_[reuse_output_it->second];
     } else {
-      GE_CHK_STATUS_RET_NOLOG(AllocateTensor(tensor_desc, outputs_start_[index], attr));
-      GELOGD("Allocating output successfully. node: %s. index = %d, size = %zu",
-             node_item_->NodeName().c_str(),
-             index,
-             outputs_start_[index].GetSize());
+      auto reuse_input = node_item_->reuse_inputs.find(index);
+      if (reuse_input != node_item_->reuse_inputs.end()) {
+        GELOGD("[%s] Output[%d] is referenced to input[%d]", GetNodeName(), index, reuse_input->second);
+        outputs_start_[index] = inputs_start_[reuse_input->second];
+      } else {
+        GE_CHK_STATUS_RET_NOLOG(AllocateTensor(tensor_desc, outputs_start_[index], attr));
+        GELOGD("Allocating output successfully. node: %s. index = %d, size = %zu",
+              node_item_->NodeName().c_str(),
+              index,
+              outputs_start_[index].GetSize());
+      }
     }
   }
 
diff --git a/ge/offline/main.cc b/ge/offline/main.cc
index b15428f2..d72040d7 100755
--- a/ge/offline/main.cc
+++ b/ge/offline/main.cc
@@ -201,6 +201,10 @@ DEFINE_string(op_compiler_cache_dir, "", "Optional; the path to cache operator c
 
 DEFINE_string(op_compiler_cache_mode, "", "Optional; choose the operator compiler cache mode");
 
+DEFINE_string(mdl_bank_path, "", "Optional; model bank path");
+
+DEFINE_string(op_bank_path, "", "Optional; op bank path");
+
 class GFlagUtils {
  public:
   /**
@@ -300,7 +304,11 @@ class GFlagUtils {
         "  --save_original_model   Control whether to output original model. E.g.: true: output original model\n"
         "  --log                   Generate log with level. Support debug, info, warning, error, null\n"
         "  --dump_mode             The switch of dump json with shape, to be used with mode 1. "
-        "0(default): disable; 1: enable.");
+        "0(default): disable; 1: enable.\n"
+        "  --debug_dir                Set the save path of operator compilation intermediate files. Default value: ./\n"
+        "  --op_compiler_cache_dir    Set the save path of operator compilation cache files. Default value: ./\n"
+        "  --op_compiler_cache_mode   Set the operator compilation cache mode."
+        "Options are disable(default), enable and force(force to refresh the cache)");
 
     gflags::ParseCommandLineNonHelpFlags(&argc, &argv, true);
     // Using gflags to analyze input parameters
@@ -1013,6 +1021,8 @@ static void SetEnvForSingleOp(std::map<string, string> &options) {
   options.emplace(ge::DEBUG_DIR, FLAGS_debug_dir);
   options.emplace(ge::OP_COMPILER_CACHE_DIR, FLAGS_op_compiler_cache_dir);
   options.emplace(ge::OP_COMPILER_CACHE_MODE, FLAGS_op_compiler_cache_mode);
+  options.emplace(ge::MDL_BANK_PATH_FLAG, FLAGS_mdl_bank_path);
+  options.emplace(ge::OP_BANK_PATH_FLAG, FLAGS_op_bank_path);
 }
 
 domi::Status GenerateSingleOp(const std::string& json_file_path) {
@@ -1166,6 +1176,10 @@ domi::Status GenerateOmModel() {
   }
 
   options.insert(std::pair<string, string>(string(ge::OP_DEBUG_LEVEL), to_string(FLAGS_op_debug_level)));
+
+  options.insert(std::pair<string, string>(string(ge::MDL_BANK_PATH_FLAG), FLAGS_mdl_bank_path));
+
+  options.insert(std::pair<string, string>(string(ge::OP_BANK_PATH_FLAG), FLAGS_op_bank_path));
   // set enable scope fusion passes
   SetEnableScopeFusionPasses(FLAGS_enable_scope_fusion_passes);
   // print atc option map
diff --git a/ge/offline/single_op_parser.cc b/ge/offline/single_op_parser.cc
index bc1b39f8..72f742e9 100644
--- a/ge/offline/single_op_parser.cc
+++ b/ge/offline/single_op_parser.cc
@@ -48,6 +48,8 @@ constexpr char const *kKeyShapeRange = "shape_range";
 constexpr char const *kKeyValue = "value";
 constexpr char const *kKeyFormat = "format";
 constexpr char const *kFileSuffix = ".om";
+constexpr char const *kKeyDynamicInput = "dynamic_input";
+constexpr char const *kKeyDynamicOutput = "dynamic_output";
 constexpr int kDumpJsonIndent = 2;
 constexpr int kShapeRangePairSize = 2;
 constexpr int kShapeRangeLow = 0;
@@ -124,6 +126,10 @@ void from_json(const Json &j, SingleOpTensorDesc &desc) {
   if (tensor_name != j.end()) {
     desc.name = tensor_name->get<string>();
   }
+  auto dynamic_input_name = j.find(kKeyDynamicInput);
+  if (dynamic_input_name != j.end()) {
+    desc.dynamic_input_name = dynamic_input_name->get<string>();
+  }
 }
 
 void from_json(const Json &j, SingleOpAttr &attr) {
@@ -276,6 +282,23 @@ std::unique_ptr<OpDesc> SingleOpParser::CreateOpDesc(const string &op_type) {
   return std::unique_ptr<OpDesc>(new(std::nothrow) OpDesc(op_type, op_type));
 }
 
+Status SingleOpParser::UpdateDynamicTensorName(std::vector<SingleOpTensorDesc> &desc) {
+  std::map<std::string, int> dynamic_name_map;
+  for (auto &tensor : desc) {
+    if (tensor.dynamic_input_name.empty()) {
+      continue;
+    }
+    if (dynamic_name_map.find(tensor.dynamic_input_name) == dynamic_name_map.end()) {
+      dynamic_name_map[tensor.dynamic_input_name] = 0;
+    } else {
+      dynamic_name_map[tensor.dynamic_input_name]++;
+    }
+    tensor.name = tensor.dynamic_input_name + std::to_string(dynamic_name_map[tensor.dynamic_input_name]);
+  }
+  GELOGD("Update dynamic tensor name success!");
+  return SUCCESS;
+}
+
 Status SingleOpParser::ConvertToBuildParam(int index,
                                            const SingleOpDesc &single_op_desc,
                                            SingleOpBuildParam &build_param) {
@@ -471,6 +494,11 @@ Status SingleOpParser::ParseSingleOpList(const std::string &file, std::vector<Si
       SingleOpDesc single_op_desc;
       GELOGI("Parsing op[%d], jsonStr = %s", index, single_op_json.dump(kDumpJsonIndent).c_str());
       single_op_desc = single_op_json;
+      if (UpdateDynamicTensorName(single_op_desc.input_desc) != SUCCESS) {
+        GELOGE(FAILED, "Update dynamic tensor name failed!");
+        return FAILED;
+      }
+
       if (!Validate(single_op_desc)) {
         GELOGE(PARAM_INVALID, "Validate the index[%d] of op failed when read json file[%s].", index, file.c_str());
         return PARAM_INVALID;
diff --git a/ge/offline/single_op_parser.h b/ge/offline/single_op_parser.h
index c679f0be..7e30fa4b 100644
--- a/ge/offline/single_op_parser.h
+++ b/ge/offline/single_op_parser.h
@@ -33,6 +33,7 @@ struct SingleOpTensorDesc {
   std::vector<std::vector<int64_t>> dim_ranges;
   ge::Format format = ge::FORMAT_RESERVED;
   ge::DataType type = ge::DT_UNDEFINED;
+  std::string dynamic_input_name;
 };
 
 struct SingleOpAttr {
@@ -70,6 +71,7 @@ class SingleOpParser {
   static bool Validate(const SingleOpDesc &op_desc);
   static std::unique_ptr<OpDesc> CreateOpDesc(const std::string &op_type);
   static Status ConvertToBuildParam(int index, const SingleOpDesc &single_op_desc, SingleOpBuildParam &build_param);
+  static Status UpdateDynamicTensorName(std::vector<SingleOpTensorDesc> &desc);
   static Status VerifyOpInputOutputSizeByIr(const OpDesc &current_op_desc);
   static Status SetShapeRange(const std::string &op_name,
                               const SingleOpTensorDesc &tensor_desc,
diff --git a/inc/external/ge/ge_api_types.h b/inc/external/ge/ge_api_types.h
index 9c51bac0..b66c5b78 100644
--- a/inc/external/ge/ge_api_types.h
+++ b/inc/external/ge/ge_api_types.h
@@ -245,6 +245,12 @@ const std::string INPUT_FP16_NODES = "ge.INPUT_NODES_SET_FP16";
 // 0: close debug; 1: open TBE compiler; 2: open ccec compiler
 const std::string OP_DEBUG_LEVEL = "ge.opDebugLevel";
 
+// Configure model bank path
+const std::string MDL_BANK_PATH_FLAG = "ge.mdl_bank_path";
+
+// Configure op bank path
+const std::string OP_BANK_PATH_FLAG = "ge.op_bank_path";
+
 // Graph run mode
 enum GraphRunMode { PREDICTION = 0, TRAIN };
 
@@ -315,13 +321,27 @@ static const char *const OPTYPELIST_FOR_IMPLMODE = ge::OPTYPELIST_FOR_IMPLMODE.c
 static const char *const DEBUG_DIR = ge::DEBUG_DIR;
 static const char *const OP_COMPILER_CACHE_DIR = ge::OP_COMPILER_CACHE_DIR;
 static const char *const OP_COMPILER_CACHE_MODE = ge::OP_COMPILER_CACHE_MODE;
+static const char *const MDL_BANK_PATH_FLAG = ge::MDL_BANK_PATH_FLAG.c_str();
+static const char *const OP_BANK_PATH_FLAG = ge::OP_BANK_PATH_FLAG.c_str();
+
 // for interface: aclgrphBuildModel
-const std::set<std::string> ir_builder_suppported_options = {
-  INPUT_FORMAT,       INPUT_SHAPE,        OP_NAME_MAP,
-  DYNAMIC_BATCH_SIZE, DYNAMIC_IMAGE_SIZE, DYNAMIC_DIMS,
-  INSERT_OP_FILE,     PRECISION_MODE,     EXEC_DISABLE_REUSED_MEMORY,
-  AUTO_TUNE_MODE,     OUTPUT_TYPE,        OUT_NODES,
-  INPUT_FP16_NODES,   LOG_LEVEL};
+const std::set<std::string> ir_builder_suppported_options = {INPUT_FORMAT,
+                                                             INPUT_SHAPE,
+                                                             OP_NAME_MAP,
+                                                             DYNAMIC_BATCH_SIZE,
+                                                             DYNAMIC_IMAGE_SIZE,
+                                                             DYNAMIC_DIMS,
+                                                             INSERT_OP_FILE,
+                                                             PRECISION_MODE,
+                                                             EXEC_DISABLE_REUSED_MEMORY,
+                                                             AUTO_TUNE_MODE,
+                                                             OUTPUT_TYPE,
+                                                             OUT_NODES,
+                                                             INPUT_FP16_NODES,
+                                                             LOG_LEVEL,
+                                                             DEBUG_DIR,
+                                                             OP_COMPILER_CACHE_DIR,
+                                                             OP_COMPILER_CACHE_MODE};
 
 // for interface: aclgrphParse
 const std::set<std::string> ir_parser_suppported_options = {INPUT_FORMAT,
@@ -336,7 +356,9 @@ const std::set<std::string> ir_parser_suppported_options = {INPUT_FORMAT,
                                                             OUT_NODES,
                                                             COMPRESS_WEIGHT_CONF,
                                                             ENABLE_SCOPE_FUSION_PASSES,
-                                                            LOG_LEVEL};
+                                                            LOG_LEVEL,
+                                                            MDL_BANK_PATH_FLAG,
+                                                            OP_BANK_PATH_FLAG};
 
 // for interface: aclgrphBuildInitialize
 const std::set<std::string> global_options = {CORE_TYPE,