fix

ge/graph/build/memory/block_mem_assigner.cc

@@ -826,6 +826,12 @@ bool BlockMemAssigner::IsContinuousOutput(const NodePtr &n) {
     return false;
   }
 
+  // if output size just one, no need to reassign continuous memory
+  if (node_op_desc->GetOutputsSize() == 1) {
+    GELOGI("op %s output size is one, no need to continuous process.", n->GetName().c_str());
+    return false;
+  }
+
   // Get the continuous output type of the node, default is false
   bool is_output_continuous = false;
   auto node_desc = n->GetOpDesc();
@@ -939,12 +945,6 @@ MemoryBlock *BlockMemAssigner::ApplyContinuousMemory(const NodePtr &n, const vec
   GE_CHK_BOOL_TRUE_EXEC_WITH_LOG(n == nullptr, return nullptr, "input node is null.");
   auto node_op_desc = n->GetOpDesc();
   GE_CHK_BOOL_TRUE_EXEC_WITH_LOG(node_op_desc == nullptr, return nullptr, "node_op_desc is null.");
-  
-  // if output size just one, no need to reassign continuous memory
-  if (node_op_desc->GetOutputsSize() == 1) {
-    zero_memory_list_.emplace_back(n, kOutput, 0);
-    return nullptr;
-  }
 
   MemoryBlock *block = nullptr;
   int64_t total_size = 0;

ge/graph/passes/hccl_memcpy_pass.cc

@@ -58,7 +58,7 @@ Status HcclMemcpyPass::Run(ge::ComputeGraphPtr graph) {
       GELOGE(INTERNAL_ERROR, "failed P2pmemInputProcess, node_name:%s.", node->GetName().c_str());
       return ret;
     }
-    
+
   }
   return ret;
 }
@@ -66,7 +66,7 @@ Status HcclMemcpyPass::Run(ge::ComputeGraphPtr graph) {
 // If node has _input_mutable attr, means input mem may be modified when op execute.
 // In order to avoid to affect another op execute with same input when data modified,
 // need to inset memcpy node between.
-// also works on situation that input is variable or const. 
+// also works on situation that input is variable or const.
 Status HcclMemcpyPass::MutableInputProcess(const ComputeGraphPtr &graph, const NodePtr node) {
   auto op_desc = node->GetOpDesc();
 
@@ -77,7 +77,7 @@ Status HcclMemcpyPass::MutableInputProcess(const ComputeGraphPtr &graph, const N
 
   if (!AttrUtils::GetBool(op_desc, kInputMutable, node_input_mutable)) {
     GELOGE(INTERNAL_ERROR, "node:%s get attr:_input_mutable failed.", node->GetName().c_str());
-    return FAILED;    
+    return FAILED;
   }
   if (!node_input_mutable) {
     return SUCCESS;
@@ -126,6 +126,7 @@ Status HcclMemcpyPass::ContinuousInputProcess(const ComputeGraphPtr &graph, cons
   (void)ge::AttrUtils::GetBool(op_desc, ATTR_NAME_CONTINUOUS_INPUT, is_input_continuous);
 
   if (is_input_continuous && op_desc->GetInputsSize() > 1) {
+    GELOGI("continuous input op is:%s.", op_desc->GetName().c_str());
     // if input size bigger than one, insert memcpy between var data for support continous mem alloc
     for (auto &hccl_in_anchor : node->GetAllInDataAnchors()) {
       if (hccl_in_anchor == nullptr) {
@@ -136,7 +137,7 @@ Status HcclMemcpyPass::ContinuousInputProcess(const ComputeGraphPtr &graph, cons
         GELOGE(INTERNAL_ERROR, "hcom op input has no peer anchor, node_name:%s", node->GetName().c_str());
         return INTERNAL_ERROR;
       }
-      
+
       if (IsDataNode(src_out_anchor->GetOwnerNode()->GetType())) {
         Status ret = ModifyEdgeConnection(graph, src_out_anchor, hccl_in_anchor);
         if (ret != SUCCESS) {
@@ -165,6 +166,7 @@ Status HcclMemcpyPass::P2pmemInputProcess(const ComputeGraphPtr &graph, const No
       continue;
     }
 
+    GELOGI("p2p input op is:%s.", op_desc->GetName().c_str());
     auto hccl_in_anchor = node->GetInDataAnchor(index);
     if (hccl_in_anchor == nullptr) {
       continue;
@@ -263,7 +265,8 @@ std::string HcclMemcpyPass::CheckDuplicateName(const std::string &node_name) {
 ///
 Status HcclMemcpyPass::ModifyEdgeConnection(const ComputeGraphPtr &graph, const OutDataAnchorPtr &src_out_anchor,
                                             const InDataAnchorPtr &hccl_in_anchor) {
-  GELOGI("The op %s need insert memcpy async op.", src_out_anchor->GetOwnerNode()->GetName().c_str());
+  GELOGI("Between op %s and op %s need insert memcpy async op.", src_out_anchor->GetOwnerNode()->GetName().c_str(),
+    hccl_in_anchor->GetOwnerNode()->GetName().c_str());
   NodePtr memcpy_node = CreateIdentityNode(graph, src_out_anchor);
   GE_CHECK_NOTNULL(memcpy_node);