From 8d0691aaf97c3ebfc7e180c32842a809165d58a2 Mon Sep 17 00:00:00 2001
From: laiyongqiang <laiyongqiang1@huawei.com>
Date: Tue, 16 Jun 2020 16:21:46 +0800
Subject: [PATCH] fix summary nodes memory reuse refcount

---
 .../ccsrc/pre_activate/mem_reuse/mem_reuse.cc | 26 +++++++++++++++++++
 .../ccsrc/pre_activate/mem_reuse/mem_reuse.h  |  1 +
 2 files changed, 27 insertions(+)

diff --git a/mindspore/ccsrc/pre_activate/mem_reuse/mem_reuse.cc b/mindspore/ccsrc/pre_activate/mem_reuse/mem_reuse.cc
index 3a631daa15..0b349d02d8 100644
--- a/mindspore/ccsrc/pre_activate/mem_reuse/mem_reuse.cc
+++ b/mindspore/ccsrc/pre_activate/mem_reuse/mem_reuse.cc
@@ -267,6 +267,31 @@ void MemReuseUtil::SetReuseRefCount() {
   }
 }
 
+void MemReuseUtil::SetSummaryNodesRefCount() {
+  bool summary_exist = graph_->summary_node_exist();
+  if (!summary_exist) {
+    return;
+  }
+
+  auto summary_nodes = graph_->summary_nodes();
+  if (summary_nodes.empty()) {
+    return;
+  }
+
+  for (auto &node_item : summary_nodes) {
+    auto node = node_item.second.first;
+    size_t index = IntToSize(node_item.second.second);
+    MS_LOG(INFO) << "set summary node's ref count, node: " << node->fullname_with_scope() << " index: " << index;
+    if (kernel_output_refs_.find(node.get()) != kernel_output_refs_.end()) {
+      KernelRefCountPtr kernel_ref = kernel_output_refs_[node.get()][index];
+      kernel_ref->ref_count_ = kMaxRefCount;
+      kernel_ref->ref_count_dynamic_use_ = kMaxRefCount;
+    } else {
+      MS_LOG(WARNING) << "can't find summary node's kernel_def " << node->fullname_with_scope();
+    }
+  }
+}
+
 void MemReuseUtil::SetGraphOutputRefCount() {
   auto nodes = AnfAlgo::GetAllOutput(graph_->output(), {prim::kPrimTupleGetItem});
   for (const auto &node : nodes) {
@@ -305,6 +330,7 @@ void MemReuseUtil::SetAllInfo(KernelGraph *graph) {
   }
   SetKernelDefMap();
   SetReuseRefCount();
+  SetSummaryNodesRefCount();
   SetWorkSpaceList();
 #ifdef MEM_REUSE_DEBUG
   MemReuseChecker::GetInstance().CheckMemReuseIR(total_refs_list_, kernel_def_ptr_list_, graph);
diff --git a/mindspore/ccsrc/pre_activate/mem_reuse/mem_reuse.h b/mindspore/ccsrc/pre_activate/mem_reuse/mem_reuse.h
index 20a362e76f..999990b094 100644
--- a/mindspore/ccsrc/pre_activate/mem_reuse/mem_reuse.h
+++ b/mindspore/ccsrc/pre_activate/mem_reuse/mem_reuse.h
@@ -62,6 +62,7 @@ class MemReuseUtil {
   void SetOutputMap(const CNodePtr &kernel, KernelDef *kernel_def_ptr);
   void SetWkMap(const CNodePtr &kernel, KernelDef *kernel_def_ptr);
   void SetReuseRefCount();
+  void SetSummaryNodesRefCount();
   // Set the reference count of graph output specially.
   void SetGraphOutputRefCount();
   // Reset the dynamic used reference count by ref_count_.