diff --git a/mindspore/ccsrc/backend/session/ascend_session.cc b/mindspore/ccsrc/backend/session/ascend_session.cc
index ff1cb5a8af4..e1aad42da4f 100644
--- a/mindspore/ccsrc/backend/session/ascend_session.cc
+++ b/mindspore/ccsrc/backend/session/ascend_session.cc
@@ -32,6 +32,7 @@
 #include "runtime/device/ascend/kernel_build_ascend.h"
 #include "runtime/device/ascend/ascend_kernel_runtime.h"
 #include "runtime/device/ascend/profiling/profiling_manager.h"
+#include "runtime/device/ascend/ascend_memory_adapter.h"
 #include "backend/optimizer/ascend/ascend_backend_optimization.h"
 #include "backend/optimizer/common/common_backend_optimization.h"
 #include "runtime/device/kernel_adjust.h"
@@ -583,7 +584,7 @@ void AscendSession::CompileChildGraph(const KernelGraphPtr &child_graph) {
   }
 }
 
-bool AscendSession::IsSupportSummary() { return !device::KernelAdjust::NeedInsertSwitch(); }
+bool AscendSession::IsSupportSummary() { return !device::KernelAdjust::NeedLoopSink(); }
 
 void AscendSession::PreExecuteGraph(const std::shared_ptr<KernelGraph> &kernel_graph,
                                     const std::vector<tensor::TensorPtr> &inputs, VectorRef *const) {
@@ -1282,7 +1283,8 @@ void AscendSession::MemoryAlloc(KernelGraph *kernel_graph) const {
   MS_EXCEPTION_IF_NULL(runtime_instance);
   runtime_instance->AssignMemory(*kernel_graph);
   device::KernelAdjust::GetInstance().AssignLoopCtrlMemory(*kernel_graph);
-  MS_LOG(INFO) << "Status record: end memory alloc. graph id: " << kernel_graph->graph_id();
+  MS_LOG(INFO) << "Status record: end memory alloc. graph id: " << kernel_graph->graph_id()
+               << ", Memory Statistics:" << device::ascend::AscendMemAdapter::GetInstance().DevMemStatistics();
 }
 
 void AscendSession::RunOpMemoryAlloc(const std::vector<tensor::TensorPtr> &input_tensors,
diff --git a/mindspore/ccsrc/runtime/device/ascend/ascend_memory_adapter.cc b/mindspore/ccsrc/runtime/device/ascend/ascend_memory_adapter.cc
index 4121664de5b..1a0042f1308 100644
--- a/mindspore/ccsrc/runtime/device/ascend/ascend_memory_adapter.cc
+++ b/mindspore/ccsrc/runtime/device/ascend/ascend_memory_adapter.cc
@@ -31,35 +31,45 @@ bool AscendMemAdapter::Initialize() {
     return true;
   }
   size_t free_hbm_size = 0;
-  rtError_t ret = rtMemGetInfoEx(RT_MEMORYINFO_HBM, &free_hbm_size, &total_hbm_size_);
-  if (ret != RT_ERROR_NONE || total_hbm_size_ == 0) {
-    MS_LOG(EXCEPTION) << "Get Device HBM memory size failed, ret = " << ret << ", total HBM size :" << total_hbm_size_;
+  rtError_t ret = rtMemGetInfoEx(RT_MEMORYINFO_HBM, &free_hbm_size, &device_hbm_size_);
+  if (ret != RT_ERROR_NONE || device_hbm_size_ == 0) {
+    MS_LOG(EXCEPTION) << "Get Device HBM memory size failed, ret = " << ret << ", total HBM size :" << device_hbm_size_;
   }
 
-  max_hbm_size_for_ms_ = total_hbm_size_ * 15 / 16;  // reserved memory is 1/16 of total
-  auto context_mem = GetDeviceMemSizeFromContext();
-  device_mem_size_ = context_mem == 0 ? max_hbm_size_for_ms_ : context_mem;
-  device_mem_base_ = MallocFromRts(device_mem_size_);
-  static_mem_offset_ = device_mem_size_;
+  // reserved memory for HCCL or other component
+  auto reserved_mem_size_for_others = device_hbm_size_ * 15 / 16;
+  reserved_mem_size_for_others =
+    reserved_mem_size_for_others >= (1 << kMemSizeGB) ? (1 << kMemSizeGB) : reserved_mem_size_for_others;
+  max_available_ms_hbm_size_ = device_hbm_size_ - reserved_mem_size_for_others;
+
+  auto user_define_ms_size_ = GetDeviceMemSizeFromContext();
+  ms_used_hbm_size_ = user_define_ms_size_ == 0 ? max_available_ms_hbm_size_ : user_define_ms_size_;
+  MS_LOG(INFO) << "Device HBM Size:" << device_hbm_size_
+               << ", Reserved HBM size for Other Components(HCCL/rts/etc.):" << reserved_mem_size_for_others
+               << ", Max available HBM Size for MindSpore:" << max_available_ms_hbm_size_
+               << ", User define MindSpore HBM Size:" << user_define_ms_size_
+               << ", MindSpore Used HBM Size:" << ms_used_hbm_size_;
+  device_mem_base_addr_ = MallocFromRts(ms_used_hbm_size_);
+  static_mem_offset_ = ms_used_hbm_size_;
   cur_dynamic_mem_offset_ = 0;
   max_dynamic_mem_offset_ = 0;
-  MS_LOG(INFO) << " Ascend Memory Adapter initialize success, Memory Statistics:" << DevMemStatistics();
+  MS_LOG(INFO) << "Ascend Memory Adapter initialize success, Memory Statistics:" << DevMemStatistics();
   initialized_ = true;
   return true;
 }
 
 bool AscendMemAdapter::DeInitialize() {
   if (!initialized_) {
-    MS_LOG(ERROR) << " DeInitialize Ascend Memory Adapter when it is not initialize";
+    MS_LOG(ERROR) << "DeInitialize Ascend Memory Adapter when it is not initialize";
     return false;
   }
 
-  auto ret = FreeToRts(device_mem_base_);
+  auto ret = FreeToRts(device_mem_base_addr_);
   if (ret) {
-    total_hbm_size_ = 0;
-    max_hbm_size_for_ms_ = 0;
-    device_mem_base_ = nullptr;
-    device_mem_size_ = 0;
+    device_hbm_size_ = 0;
+    max_available_ms_hbm_size_ = 0;
+    device_mem_base_addr_ = nullptr;
+    ms_used_hbm_size_ = 0;
 
     cur_dynamic_mem_offset_ = 0;
     max_dynamic_mem_offset_ = 0;
@@ -79,14 +89,14 @@ uint8_t *AscendMemAdapter::MallocStaticDevMem(size_t size, std::string tag) {
   std::lock_guard<std::mutex> locker(mutex_);
   auto new_static_offset = static_mem_offset_ - size;
   if (new_static_offset < max_dynamic_mem_offset_) {
-    MS_LOG(ERROR) << "Out of Memory!!! Request memory size: " << size << " Memory Statistic:" << DevMemStatistics()
-                  << " failed! Please try to reduce 'batch_size' or check whether exists extra large shape. More "
+    MS_LOG(ERROR) << "Out of Memory!!! Request memory size: " << size << ", Memory Statistic:" << DevMemStatistics()
+                  << "Please try to reduce 'batch_size' or check whether exists extra large shape. More "
                      "details can be found in MindSpore's FAQ with keyword 'Out of Memory'.";
     MS_LOG(ERROR) << DevMemDetailInfo();
     return nullptr;
   }
 
-  auto memory_block_ptr = device_mem_base_ + new_static_offset;
+  auto memory_block_ptr = device_mem_base_addr_ + new_static_offset;
   static_mem_offset_ = new_static_offset;
   static_memory_block_list_.push_back(std::make_shared<MemoryBlock>(memory_block_ptr, size, tag));
 
@@ -97,14 +107,14 @@ uint8_t *AscendMemAdapter::MallocDynamicDevMem(size_t size, std::string tag) {
   std::lock_guard<std::mutex> locker(mutex_);
   auto new_dynamic_offset = cur_dynamic_mem_offset_ + size;
   if (new_dynamic_offset > static_mem_offset_) {
-    MS_LOG(ERROR) << "Out of Memory!!! Request memory size: " << size << " Memory Statistic:" << DevMemStatistics()
-                  << " failed! Please try to reduce 'batch_size' or check whether exists extra large shape. More "
+    MS_LOG(ERROR) << "Out of Memory!!! Request memory size: " << size << ", Memory Statistic:" << DevMemStatistics()
+                  << "Please try to reduce 'batch_size' or check whether exists extra large shape. More "
                      "details can be found in MindSpore's FAQ with keyword 'Out of Memory'.";
     MS_LOG(ERROR) << DevMemDetailInfo();
     return nullptr;
   }
 
-  auto memory_block_ptr = device_mem_base_ + cur_dynamic_mem_offset_;
+  auto memory_block_ptr = device_mem_base_addr_ + cur_dynamic_mem_offset_;
   cur_dynamic_mem_offset_ = new_dynamic_offset;
   max_dynamic_mem_offset_ = std::max(cur_dynamic_mem_offset_, max_dynamic_mem_offset_);
   dynamic_memory_block_list_.push_back(std::make_shared<MemoryBlock>(memory_block_ptr, size, tag));
@@ -116,14 +126,12 @@ void AscendMemAdapter::ResetDynamicMemory() { cur_dynamic_mem_offset_ = 0; }
 
 std::string AscendMemAdapter::DevMemStatistics() {
   std::ostringstream oss;
-  oss << "\nHBM memory size: " << total_hbm_size_;
-  oss << "\nAvailable HBM memory size for MS: " << max_hbm_size_for_ms_;
-  oss << "\nMS memory base size: " << device_mem_size_;
-  oss << "\nMS memory base address: " << reinterpret_cast<void *>(device_mem_base_);
-  oss << "\nStatic Memory size: " << device_mem_size_ - static_mem_offset_;
+  oss << "\nDevice HBM memory size: " << device_hbm_size_;
+  oss << "\nMindSpore Used memory size: " << ms_used_hbm_size_;
+  oss << "\nMindSpore memory base address: " << reinterpret_cast<void *>(device_mem_base_addr_);
+  oss << "\nTotal Static Memory size: " << ms_used_hbm_size_ - static_mem_offset_;
+  oss << "\nTotal Dynamic memory size: " << max_dynamic_mem_offset_;
   oss << "\nDynamic memory size of this graph: " << cur_dynamic_mem_offset_;
-  oss << "\nMAX Dynamic memory size of all graph: " << max_dynamic_mem_offset_;
-  oss << "\nMS Static memory offset: " << static_mem_offset_;
   oss << std::endl;
   return oss.str();
 }
@@ -161,9 +169,9 @@ size_t AscendMemAdapter::GetDeviceMemSizeFromContext() {
   auto gb_var = std::stoull(gb_str);
   MS_LOG(INFO) << "variable_memory_max_size(GB):" << gb_var;
 
-  auto max_hbm_size_for_ms_GB = max_hbm_size_for_ms_ >> kMemSizeGB;
+  auto max_hbm_size_for_ms_GB = max_available_ms_hbm_size_ >> kMemSizeGB;
   if (gb_var > max_hbm_size_for_ms_GB || gb_var == 0) {
-    MS_LOG(EXCEPTION) << "The Total Device Memory Size is " << (total_hbm_size_ >> kMemSizeGB)
+    MS_LOG(EXCEPTION) << "The Total Device Memory Size is " << (device_hbm_size_ >> kMemSizeGB)
                       << " GB, variable_memory_max_size should be in range (0-" << max_hbm_size_for_ms_GB
                       << "]GB, but got " << gb_var
                       << "GB, please set the context key 'variable_memory_max_size' in valid range.";
diff --git a/mindspore/ccsrc/runtime/device/ascend/ascend_memory_adapter.h b/mindspore/ccsrc/runtime/device/ascend/ascend_memory_adapter.h
index 6a2b6d74528..ecc634bfb6d 100644
--- a/mindspore/ccsrc/runtime/device/ascend/ascend_memory_adapter.h
+++ b/mindspore/ccsrc/runtime/device/ascend/ascend_memory_adapter.h
@@ -43,8 +43,7 @@ class AscendMemAdapter {
   void ResetDynamicMemory();
 
   uint64_t FreeDevMemSize() { return static_mem_offset_ - max_dynamic_mem_offset_; }
-  uint64_t TotalDevMemSize() { return device_mem_size_; }
-  uint64_t MaxHbmSizeForMs() { return max_hbm_size_for_ms_; }
+  uint64_t MaxHbmSizeForMs() { return max_available_ms_hbm_size_; }
 
   std::string DevMemStatistics();
   std::string DevMemDetailInfo();
@@ -72,10 +71,10 @@ class AscendMemAdapter {
   std::mutex mutex_;
 
   // rts Memory INFO
-  size_t total_hbm_size_{0};
-  size_t max_hbm_size_for_ms_{0};
-  uint8_t *device_mem_base_{nullptr};
-  uint64_t device_mem_size_{0};
+  size_t device_hbm_size_{0};
+  size_t max_available_ms_hbm_size_{0};
+  uint8_t *device_mem_base_addr_{nullptr};
+  uint64_t ms_used_hbm_size_{0};
 
   // dynamic memory info
   uint64_t cur_dynamic_mem_offset_{0};
diff --git a/mindspore/ccsrc/runtime/device/ascend/ascend_stream_assign.cc b/mindspore/ccsrc/runtime/device/ascend/ascend_stream_assign.cc
index 592a040695c..2c30f349236 100644
--- a/mindspore/ccsrc/runtime/device/ascend/ascend_stream_assign.cc
+++ b/mindspore/ccsrc/runtime/device/ascend/ascend_stream_assign.cc
@@ -300,7 +300,7 @@ void AscendStreamAssign::AssignStream(const NotNull<KernelGraphPtr> &graph_ptr)
 }
 
 void AscendStreamAssign::SetLoopSink() {
-  if (KernelAdjust::NeedInsertSwitch()) {
+  if (KernelAdjust::NeedLoopSink()) {
     loop_sink_ = true;
   } else {
     loop_sink_ = false;
diff --git a/mindspore/ccsrc/runtime/device/kernel_adjust.cc b/mindspore/ccsrc/runtime/device/kernel_adjust.cc
index e0440eb0a02..4fa834578de 100644
--- a/mindspore/ccsrc/runtime/device/kernel_adjust.cc
+++ b/mindspore/ccsrc/runtime/device/kernel_adjust.cc
@@ -63,7 +63,7 @@ void KernelAdjust::ReorderGetNext(const std::shared_ptr<session::KernelGraph> &k
   kernel_graph_ptr->set_execution_order(new_order_list);
 }
 
-bool KernelAdjust::NeedInsertSwitch() {
+bool KernelAdjust::NeedLoopSink() {
   auto context_ptr = MsContext::GetInstance();
   MS_EXCEPTION_IF_NULL(context_ptr);
   return (context_ptr->get_param<bool>(MS_CTX_ENABLE_TASK_SINK) &&
@@ -396,7 +396,7 @@ void KernelAdjust::ProcessLoopSink(const std::shared_ptr<session::KernelGraph> &
   MS_EXCEPTION_IF_NULL(kernel_graph_ptr);
   device::ascend::AscendStreamMng &resource_manager = device::ascend::AscendStreamMng::GetInstance();
   resource_manager.ResetResource();
-  if (!NeedInsertSwitch()) {
+  if (!NeedLoopSink()) {
     return;
   }
   if (kernel_graph_ptr->is_dynamic_shape()) {
@@ -954,7 +954,7 @@ void KernelAdjust::InsertDeviceLoopCtrl(const std::shared_ptr<session::KernelGra
 
   // constant loop num in epoch tensor
   int32_t initial_value = 0;
-  if (NeedInsertSwitch()) {
+  if (NeedLoopSink()) {
     initial_value = SizeToInt(LongToSize(ConfigManager::GetInstance().iter_num()));
   } else {
     MS_LOG(INFO) << "Tensor const_loop_num_in_epoch only used in loop sink mode.";
@@ -1009,6 +1009,10 @@ void KernelAdjust::AssignLoopCtrlTensorMem(const session::KernelGraph &kernel_gr
 }
 
 void KernelAdjust::AssignLoopCtrlMemory(const session::KernelGraph &kernel_graph_ptr) {
+  auto device_loop_control_tensors = kernel_graph_ptr.device_loop_control_tensors();
+  if (device_loop_control_tensors.empty()) {
+    return;
+  }
   MS_LOG(INFO) << "Assign device loop control memory";
   auto ms_context = MsContext::GetInstance();
   MS_EXCEPTION_IF_NULL(ms_context);
@@ -1046,6 +1050,10 @@ void KernelAdjust::SetDeviceLoopCtrlTensor(const std::shared_ptr<session::Kernel
 
 void KernelAdjust::LoadDeviceLoopCtrlParameters(const std::shared_ptr<session::KernelGraph> &kernel_graph_ptr) {
   MS_EXCEPTION_IF_NULL(kernel_graph_ptr);
+  auto device_loop_control_tensors = kernel_graph_ptr->device_loop_control_tensors();
+  if (device_loop_control_tensors.empty()) {
+    return;
+  }
   MS_LOG(INFO) << "Load device loop control data";
   SetDeviceLoopCtrlTensor(kernel_graph_ptr, kCurLoopCountName, 0);
   SetDeviceLoopCtrlTensor(kernel_graph_ptr, kNextLoopCountName, 0);
diff --git a/mindspore/ccsrc/runtime/device/kernel_adjust.h b/mindspore/ccsrc/runtime/device/kernel_adjust.h
index 9b9afedbf82..87b9e8ef6f3 100644
--- a/mindspore/ccsrc/runtime/device/kernel_adjust.h
+++ b/mindspore/ccsrc/runtime/device/kernel_adjust.h
@@ -68,7 +68,7 @@ class KernelAdjust {
 #ifndef ENABLE_SECURITY
   void Profiling(NotNull<session::KernelGraph *> kernel_graph_ptr);
 #endif
-  static bool NeedInsertSwitch();
+  static bool NeedLoopSink();
   CNodePtr CreateStreamActiveOp(const std::shared_ptr<session::KernelGraph> &kernel_graph_ptr);
 
  private:
diff --git a/tests/ut/cpp/stub/tasksink/ascend_stream_assign_stub.cc b/tests/ut/cpp/stub/tasksink/ascend_stream_assign_stub.cc
index 4a83c7f284d..91dd976ae5d 100644
--- a/tests/ut/cpp/stub/tasksink/ascend_stream_assign_stub.cc
+++ b/tests/ut/cpp/stub/tasksink/ascend_stream_assign_stub.cc
@@ -38,7 +38,7 @@ void KernelAdjust::LoadDeviceLoopCtrlParameters(const std::shared_ptr<session::K
   return;
 }
 
-bool KernelAdjust::NeedInsertSwitch() { return true; }
+bool KernelAdjust::NeedLoopSink() { return true; }
 
 void KernelAdjust::ProcessLoopSink(const std::shared_ptr<session::KernelGraph> &kernel_graph_ptr) { return; }