diff --git a/mindspore/ccsrc/pipeline/pynative/pynative_execute.h b/mindspore/ccsrc/pipeline/pynative/pynative_execute.h
index 0e4276559a..d9b5daa6ce 100644
--- a/mindspore/ccsrc/pipeline/pynative/pynative_execute.h
+++ b/mindspore/ccsrc/pipeline/pynative/pynative_execute.h
@@ -38,7 +38,6 @@
 
 namespace mindspore {
 namespace pynative {
-
 namespace py = pybind11;
 using ResourcePtr = std::shared_ptr<pipeline::Resource>;
 using GradOperationPtr = std::shared_ptr<prim::GradOperation>;
@@ -168,7 +167,6 @@ class PynativeExecutor : public std::enable_shared_from_this<PynativeExecutor> {
 };
 
 using PynativeExecutorPtr = std::shared_ptr<PynativeExecutor>;
-
 }  // namespace pynative
 }  // namespace mindspore
 
diff --git a/mindspore/ccsrc/runtime/device/ascend/ascend_memory_manager.cc b/mindspore/ccsrc/runtime/device/ascend/ascend_memory_manager.cc
index bf2f0316f8..ac1f737954 100644
--- a/mindspore/ccsrc/runtime/device/ascend/ascend_memory_manager.cc
+++ b/mindspore/ccsrc/runtime/device/ascend/ascend_memory_manager.cc
@@ -34,10 +34,7 @@ void AscendMemoryManager::MallocDeviceMemory() {
     MS_EXCEPTION(DeviceProcessError) << "rtMalloc mem size[" << device_mem_size_ << "] fail, ret[" << ret << "]";
   }
 
-  AscendMemoryPool::GetInstance().set_device_mem_size(device_mem_size_);
-  AscendMemoryPool::GetInstance().set_device_mem_pool_base(device_mem_base_);
-  AscendMemoryPool::GetInstance().set_device_mem_pool_offset(device_mem_size_);
-  AscendMemoryPool::GetInstance().set_graph_dynamic_mem_offset(dynamic_mem_offset_);
+  AscendMemoryPool::GetInstance().Init(device_mem_base_, device_mem_size_, dynamic_mem_offset_);
 }
 
 uint64_t AscendMemoryManager::GetDeviceMemSizeFromContext() {
diff --git a/mindspore/ccsrc/runtime/device/ascend/ascend_memory_pool.cc b/mindspore/ccsrc/runtime/device/ascend/ascend_memory_pool.cc
index d70f120370..638cba57d2 100644
--- a/mindspore/ccsrc/runtime/device/ascend/ascend_memory_pool.cc
+++ b/mindspore/ccsrc/runtime/device/ascend/ascend_memory_pool.cc
@@ -21,6 +21,25 @@
 namespace mindspore {
 namespace device {
 namespace ascend {
+void AscendMemoryPool::Init(uint8_t *device_mem_base, uint64_t device_mem_size, uint64_t dynamic_mem_offset) {
+  static bool initialized = false;
+  if (initialized) {
+    return;
+  }
+
+  MS_EXCEPTION_IF_NULL(device_mem_base);
+  set_device_mem_pool_base(device_mem_base);
+
+  if (dynamic_mem_offset > device_mem_size) {
+    MS_LOG(EXCEPTION) << "Dynamic memory offset: " << dynamic_mem_offset
+                      << " exceed the device memory size: " << device_mem_size;
+  }
+  set_device_mem_size(device_mem_size);
+  set_device_mem_pool_offset(device_mem_size);
+  set_graph_dynamic_mem_offset(dynamic_mem_offset);
+  initialized = true;
+}
+
 size_t AscendMemoryPool::AllocDeviceMem(size_t size, DeviceMemPtr *addr) {
   if (size == 0) {
     MS_LOG(EXCEPTION) << "Failed to alloc memory pool resource, the size is zero!";
diff --git a/mindspore/ccsrc/runtime/device/ascend/ascend_memory_pool.h b/mindspore/ccsrc/runtime/device/ascend/ascend_memory_pool.h
index c9007d3f5e..dd67968db3 100644
--- a/mindspore/ccsrc/runtime/device/ascend/ascend_memory_pool.h
+++ b/mindspore/ccsrc/runtime/device/ascend/ascend_memory_pool.h
@@ -29,6 +29,7 @@ class AscendMemoryPool : public DynamicMemPoolBestFit {
   AscendMemoryPool(const AscendMemoryPool &) = delete;
   AscendMemoryPool &operator=(const AscendMemoryPool &) = delete;
 
+  void Init(uint8_t *device_mem_base, uint64_t device_mem_size, uint64_t dynamic_mem_offset);
   size_t AllocDeviceMem(size_t size, DeviceMemPtr *addr) override;
   bool FreeDeviceMem(const DeviceMemPtr &addr) override;
   void ResetIdleMemBuf();