diff --git a/mindspore/ccsrc/backend/session/anf_runtime_algorithm.cc b/mindspore/ccsrc/backend/session/anf_runtime_algorithm.cc
index 957f1f7ca6..1c704a60d9 100644
--- a/mindspore/ccsrc/backend/session/anf_runtime_algorithm.cc
+++ b/mindspore/ccsrc/backend/session/anf_runtime_algorithm.cc
@@ -375,7 +375,7 @@ std::vector<std::string> AnfRuntimeAlgorithm::GetAllOutputFormats(const AnfNodeP
     MS_LOG(EXCEPTION) << "Not real kernel:"
                       << "#node [" << node->DebugString() << "]";
   }
-  auto kernel_info = dynamic_cast<device::KernelInfo *>(node->kernel_info());
+  auto kernel_info = static_cast<device::KernelInfo *>(node->kernel_info());
   MS_EXCEPTION_IF_NULL(kernel_info);
   auto build_info = kernel_info->select_kernel_build_info();
   MS_EXCEPTION_IF_NULL(build_info);
@@ -389,7 +389,7 @@ std::vector<std::string> AnfRuntimeAlgorithm::GetAllInputFormats(const AnfNodePt
     MS_LOG(EXCEPTION) << "Not real kernel:"
                       << "#node [" << node->DebugString() << "]";
   }
-  auto kernel_info = dynamic_cast<device::KernelInfo *>(node->kernel_info());
+  auto kernel_info = static_cast<device::KernelInfo *>(node->kernel_info());
   MS_EXCEPTION_IF_NULL(kernel_info);
   auto build_info = kernel_info->select_kernel_build_info();
   MS_EXCEPTION_IF_NULL(build_info);
@@ -403,7 +403,7 @@ std::string AnfRuntimeAlgorithm::GetOriginDataFormat(const AnfNodePtr &node) {
     MS_LOG(EXCEPTION) << "Not real kernel:"
                       << "#node [" << node->DebugString() << "]";
   }
-  auto kernel_info = dynamic_cast<device::KernelInfo *>(node->kernel_info());
+  auto kernel_info = static_cast<device::KernelInfo *>(node->kernel_info());
   MS_EXCEPTION_IF_NULL(kernel_info);
   auto build_info = kernel_info->select_kernel_build_info();
   MS_EXCEPTION_IF_NULL(build_info);
@@ -421,7 +421,7 @@ std::string AnfRuntimeAlgorithm::GetOutputFormat(const AnfNodePtr &node, size_t
   if (!AnfAlgo::IsRealKernel(node)) {
     return AnfAlgo::GetPrevNodeOutputFormat(node, output_idx);
   }
-  auto kernel_info = dynamic_cast<device::KernelInfo *>(node->kernel_info());
+  auto kernel_info = static_cast<device::KernelInfo *>(node->kernel_info());
   MS_EXCEPTION_IF_NULL(kernel_info);
   auto build_info = kernel_info->select_kernel_build_info();
   MS_EXCEPTION_IF_NULL(build_info);
@@ -443,7 +443,7 @@ std::string AnfRuntimeAlgorithm::GetInputFormat(const AnfNodePtr &node, size_t i
   if (!IsRealKernel(node)) {
     return GetPrevNodeOutputFormat(node, input_idx);
   }
-  auto kernel_info = dynamic_cast<device::KernelInfo *>(node->kernel_info());
+  auto kernel_info = static_cast<device::KernelInfo *>(node->kernel_info());
   MS_EXCEPTION_IF_NULL(kernel_info);
   auto build_info = kernel_info->select_kernel_build_info();
   MS_EXCEPTION_IF_NULL(build_info);
@@ -549,7 +549,7 @@ std::vector<Axis> AnfRuntimeAlgorithm::GetInputReshapeType(const AnfNodePtr &nod
   if (!IsRealKernel(node)) {
     return GetPrevNodeOutputReshapeType(node, input_idx);
   }
-  auto kernel_info = dynamic_cast<device::KernelInfo *>(node->kernel_info());
+  auto kernel_info = static_cast<device::KernelInfo *>(node->kernel_info());
   MS_EXCEPTION_IF_NULL(kernel_info);
   auto build_info = kernel_info->select_kernel_build_info();
   MS_EXCEPTION_IF_NULL(build_info);
@@ -568,7 +568,7 @@ std::vector<Axis> AnfRuntimeAlgorithm::GetOutputReshapeType(const AnfNodePtr &no
   if (!IsRealKernel(node)) {
     return GetPrevNodeOutputReshapeType(node, output_idx);
   }
-  auto kernel_info = dynamic_cast<device::KernelInfo *>(node->kernel_info());
+  auto kernel_info = static_cast<device::KernelInfo *>(node->kernel_info());
   MS_EXCEPTION_IF_NULL(kernel_info);
   auto build_info = kernel_info->select_kernel_build_info();
   MS_EXCEPTION_IF_NULL(build_info);
@@ -624,7 +624,7 @@ TypeId AnfRuntimeAlgorithm::GetOutputDeviceDataType(const AnfNodePtr &node, size
   if (!IsRealKernel(node)) {
     return GetPrevNodeOutputDeviceDataType(node, output_idx);
   }
-  auto kernel_info = dynamic_cast<device::KernelInfo *>(node->kernel_info());
+  auto kernel_info = static_cast<device::KernelInfo *>(node->kernel_info());
   MS_EXCEPTION_IF_NULL(kernel_info);
   auto build_info = kernel_info->select_kernel_build_info();
   MS_EXCEPTION_IF_NULL(build_info);
@@ -645,7 +645,7 @@ TypeId AnfRuntimeAlgorithm::GetInputDeviceDataType(const AnfNodePtr &node, size_
   if (!IsRealKernel(node)) {
     return GetPrevNodeOutputDeviceDataType(node, 0);
   }
-  auto kernel_info = dynamic_cast<device::KernelInfo *>(node->kernel_info());
+  auto kernel_info = static_cast<device::KernelInfo *>(node->kernel_info());
   MS_EXCEPTION_IF_NULL(kernel_info);
   auto build_info = kernel_info->select_kernel_build_info();
   MS_EXCEPTION_IF_NULL(build_info);
@@ -675,7 +675,7 @@ const DeviceAddress *AnfRuntimeAlgorithm::GetOutputAddr(const AnfNodePtr &node,
       MS_LOG(EXCEPTION) << node->DebugString() << "Invalid nop node";
     }
   }
-  auto kernel_info = dynamic_cast<device::KernelInfo *>(node->kernel_info());
+  auto kernel_info = static_cast<device::KernelInfo *>(node->kernel_info());
   MS_EXCEPTION_IF_NULL(kernel_info);
   auto addr = kernel_info->GetOutputAddr(output_idx);
   if (addr == nullptr) {
@@ -697,7 +697,8 @@ DeviceAddressPtr AnfRuntimeAlgorithm::GetMutableOutputAddr(const AnfNodePtr &nod
       MS_LOG(EXCEPTION) << node->DebugString() << "Invalid nop node.";
     }
   }
-  auto kernel_info = dynamic_cast<device::KernelInfo *>(node->kernel_info());
+  // Critical path performance optimization: `KernelInfo` is unique subclass of `KernelInfoDevice`
+  auto kernel_info = static_cast<device::KernelInfo *>(node->kernel_info());
   MS_EXCEPTION_IF_NULL(kernel_info);
   auto addr = kernel_info->GetMutableOutputAddr(output_idx);
   if (addr == nullptr) {
@@ -710,11 +711,8 @@ DeviceAddressPtr AnfRuntimeAlgorithm::GetMutableOutputAddr(const AnfNodePtr &nod
 // get output device addr of anf_node
 bool AnfRuntimeAlgorithm::OutputAddrExist(const AnfNodePtr &node, size_t output_idx) {
   MS_EXCEPTION_IF_NULL(node);
-  if (output_idx > GetOutputTensorNum(node)) {
-    MS_LOG(EXCEPTION) << "The index [" << output_idx << "] is out of range of the node's output size [ "
-                      << GetOutputTensorNum(node) << "#node:[ " << node->DebugString() << "]";
-  }
-  auto kernel_info = dynamic_cast<device::KernelInfo *>(node->kernel_info());
+  // Critical path performance optimization: `KernelInfo` is unique subclass of `KernelInfoDevice`
+  auto kernel_info = static_cast<device::KernelInfo *>(node->kernel_info());
   MS_EXCEPTION_IF_NULL(kernel_info);
   return kernel_info->OutputAddrExist(output_idx);
 }
@@ -734,7 +732,7 @@ DeviceAddressPtr AnfRuntimeAlgorithm::GetPrevNodeMutableOutputAddr(const AnfNode
 // set output device addr of anf_node
 void AnfRuntimeAlgorithm::SetOutputAddr(const DeviceAddressPtr &addr, size_t output_idx, AnfNode *node) {
   MS_EXCEPTION_IF_NULL(node);
-  auto kernel_info = dynamic_cast<device::KernelInfo *>(node->kernel_info());
+  auto kernel_info = static_cast<device::KernelInfo *>(node->kernel_info());
   MS_EXCEPTION_IF_NULL(kernel_info);
   if (!kernel_info->SetOutputAddr(addr, output_idx)) {
     MS_LOG(EXCEPTION) << "Node " << node->DebugString() << "set adr" << output_idx << " fail";
@@ -744,7 +742,7 @@ void AnfRuntimeAlgorithm::SetOutputAddr(const DeviceAddressPtr &addr, size_t out
 // set workspace device addr of anf_node
 void AnfRuntimeAlgorithm::SetWorkspaceAddr(const DeviceAddressPtr &addr, size_t output_idx, AnfNode *node) {
   MS_EXCEPTION_IF_NULL(node);
-  auto kernel_info = dynamic_cast<device::KernelInfo *>(node->kernel_info());
+  auto kernel_info = static_cast<device::KernelInfo *>(node->kernel_info());
   MS_EXCEPTION_IF_NULL(kernel_info);
   if (!kernel_info->SetWorkspaceAddr(addr, output_idx)) {
     MS_LOG(EXCEPTION) << "Node " << node->DebugString() << "set adr" << output_idx << " fail";
@@ -754,7 +752,7 @@ void AnfRuntimeAlgorithm::SetWorkspaceAddr(const DeviceAddressPtr &addr, size_t
 // get workspace device addr of anf_node
 DeviceAddress *AnfRuntimeAlgorithm::GetWorkspaceAddr(const AnfNodePtr &node, size_t output_idx) {
   MS_EXCEPTION_IF_NULL(node);
-  auto kernel_info = dynamic_cast<device::KernelInfo *>(node->kernel_info());
+  auto kernel_info = static_cast<device::KernelInfo *>(node->kernel_info());
   MS_EXCEPTION_IF_NULL(kernel_info);
   auto addr = kernel_info->GetWorkspaceAddr(output_idx);
   if (addr == nullptr) {
@@ -767,7 +765,7 @@ DeviceAddress *AnfRuntimeAlgorithm::GetWorkspaceAddr(const AnfNodePtr &node, siz
 // get workspace device mutable addr of anf_node
 DeviceAddressPtr AnfRuntimeAlgorithm::GetMutableWorkspaceAddr(const AnfNodePtr &node, size_t index) {
   MS_EXCEPTION_IF_NULL(node);
-  auto kernel_info = dynamic_cast<device::KernelInfo *>(node->kernel_info());
+  auto kernel_info = static_cast<device::KernelInfo *>(node->kernel_info());
   MS_EXCEPTION_IF_NULL(kernel_info);
   auto addr = kernel_info->GetMutableWorkspaceAddr(index);
   if (addr == nullptr) {
@@ -810,7 +808,7 @@ void AnfRuntimeAlgorithm::CopyAbstract(const AnfNodePtr &from_node, AnfNode *to_
 
 kernel::OpPattern AnfRuntimeAlgorithm::GetOpPattern(const AnfNodePtr &node) {
   MS_EXCEPTION_IF_NULL(node);
-  auto kernel_info = dynamic_cast<device::KernelInfo *>(node->kernel_info());
+  auto kernel_info = static_cast<device::KernelInfo *>(node->kernel_info());
   MS_EXCEPTION_IF_NULL(kernel_info);
   // select_kernel_build_info() has checked whether return pointer is null
   auto build_info = kernel_info->select_kernel_build_info();
@@ -821,7 +819,7 @@ kernel::OpPattern AnfRuntimeAlgorithm::GetOpPattern(const AnfNodePtr &node) {
 // get KernelBuildType of node, such as ATT,RT,FWK and so on
 KernelType AnfRuntimeAlgorithm::GetKernelType(const AnfNodePtr &node) {
   MS_EXCEPTION_IF_NULL(node);
-  auto kernel_info = dynamic_cast<device::KernelInfo *>(node->kernel_info());
+  auto kernel_info = static_cast<device::KernelInfo *>(node->kernel_info());
   MS_EXCEPTION_IF_NULL(kernel_info);
   // select_kernel_build_info() has checked whether return pointer is null
   auto build_info = kernel_info->select_kernel_build_info();
@@ -831,7 +829,7 @@ KernelType AnfRuntimeAlgorithm::GetKernelType(const AnfNodePtr &node) {
 
 kernel::Processor AnfRuntimeAlgorithm::GetProcessor(const AnfNodePtr &node) {
   MS_EXCEPTION_IF_NULL(node);
-  auto kernel_info = dynamic_cast<device::KernelInfo *>(node->kernel_info());
+  auto kernel_info = static_cast<device::KernelInfo *>(node->kernel_info());
   MS_EXCEPTION_IF_NULL(kernel_info);
   auto build_info = kernel_info->select_kernel_build_info();
   MS_EXCEPTION_IF_NULL(build_info);
@@ -840,7 +838,7 @@ kernel::Processor AnfRuntimeAlgorithm::GetProcessor(const AnfNodePtr &node) {
 
 kernel::FusionType AnfRuntimeAlgorithm::GetFusionType(const AnfNodePtr &node) {
   MS_EXCEPTION_IF_NULL(node);
-  auto kernel_info = dynamic_cast<device::KernelInfo *>(node->kernel_info());
+  auto kernel_info = static_cast<device::KernelInfo *>(node->kernel_info());
   MS_EXCEPTION_IF_NULL(kernel_info);
   auto build_info = kernel_info->select_kernel_build_info();
   MS_EXCEPTION_IF_NULL(build_info);
@@ -850,7 +848,7 @@ kernel::FusionType AnfRuntimeAlgorithm::GetFusionType(const AnfNodePtr &node) {
 // set select kernel_build_info
 void AnfRuntimeAlgorithm::SetSelectKernelBuildInfo(const KernelBuildInfoPtr &select_kernel_build_info, AnfNode *node) {
   MS_EXCEPTION_IF_NULL(node);
-  auto kernel_info = dynamic_cast<device::KernelInfo *>(node->kernel_info());
+  auto kernel_info = static_cast<device::KernelInfo *>(node->kernel_info());
   MS_EXCEPTION_IF_NULL(kernel_info);
   return kernel_info->set_select_kernel_build_info(select_kernel_build_info);
 }
@@ -858,7 +856,7 @@ void AnfRuntimeAlgorithm::SetSelectKernelBuildInfo(const KernelBuildInfoPtr &sel
 // get select kernel_build_info
 KernelBuildInfoPtr AnfRuntimeAlgorithm::GetSelectKernelBuildInfo(const AnfNodePtr &node) {
   MS_EXCEPTION_IF_NULL(node);
-  auto kernel_info = dynamic_cast<device::KernelInfo *>(node->kernel_info());
+  auto kernel_info = static_cast<device::KernelInfo *>(node->kernel_info());
   MS_EXCEPTION_IF_NULL(kernel_info);
   return kernel_info->GetMutableSelectKernelBuildInfo();
 }
@@ -866,7 +864,7 @@ KernelBuildInfoPtr AnfRuntimeAlgorithm::GetSelectKernelBuildInfo(const AnfNodePt
 // get kernelMode
 KernelMod *AnfRuntimeAlgorithm::GetKernelMod(const AnfNodePtr &node) {
   MS_EXCEPTION_IF_NULL(node);
-  auto kernel_info = dynamic_cast<device::KernelInfo *>(node->kernel_info());
+  auto kernel_info = static_cast<device::KernelInfo *>(node->kernel_info());
   MS_EXCEPTION_IF_NULL(kernel_info);
   return kernel_info->MutableKernelMod();
 }
@@ -874,7 +872,7 @@ KernelMod *AnfRuntimeAlgorithm::GetKernelMod(const AnfNodePtr &node) {
 // set kernel mod
 void AnfRuntimeAlgorithm::SetKernelMod(const KernelModPtr &kernel_mod, AnfNode *node) {
   MS_EXCEPTION_IF_NULL(node);
-  auto kernel_info = dynamic_cast<device::KernelInfo *>(node->kernel_info());
+  auto kernel_info = static_cast<device::KernelInfo *>(node->kernel_info());
   MS_EXCEPTION_IF_NULL(kernel_info);
   kernel_info->set_kernel_mod(kernel_mod);
 }
@@ -940,42 +938,42 @@ bool AnfRuntimeAlgorithm::IsParameterWeight(const ParameterPtr &node) {
 
 void AnfRuntimeAlgorithm::SetStreamId(uint32_t stream_id, AnfNode *node) {
   MS_EXCEPTION_IF_NULL(node);
-  auto kernel_info = dynamic_cast<device::KernelInfo *>(node->kernel_info());
+  auto kernel_info = static_cast<device::KernelInfo *>(node->kernel_info());
   MS_EXCEPTION_IF_NULL(kernel_info);
   kernel_info->set_stream_id(stream_id);
 }
 
 uint32_t AnfRuntimeAlgorithm::GetStreamId(const AnfNodePtr &node) {
   MS_EXCEPTION_IF_NULL(node);
-  auto kernel_info = dynamic_cast<device::KernelInfo *>(node->kernel_info());
+  auto kernel_info = static_cast<device::KernelInfo *>(node->kernel_info());
   MS_EXCEPTION_IF_NULL(kernel_info);
   return kernel_info->stream_id();
 }
 
 void AnfRuntimeAlgorithm::SetStreamDistinctionLabel(uint32_t stream_label, AnfNode *node) {
   MS_EXCEPTION_IF_NULL(node);
-  auto kernel_info = dynamic_cast<device::KernelInfo *>(node->kernel_info());
+  auto kernel_info = static_cast<device::KernelInfo *>(node->kernel_info());
   MS_EXCEPTION_IF_NULL(kernel_info);
   kernel_info->set_stream_distinction_label(stream_label);
 }
 
 uint32_t AnfRuntimeAlgorithm::GetStreamDistinctionLabel(const AnfNode *node) {
   MS_EXCEPTION_IF_NULL(node);
-  auto kernel_info = dynamic_cast<const device::KernelInfo *>(node->kernel_info());
+  auto kernel_info = static_cast<const device::KernelInfo *>(node->kernel_info());
   MS_EXCEPTION_IF_NULL(kernel_info);
   return kernel_info->stream_distinction_label();
 }
 
 void AnfRuntimeAlgorithm::SetGraphId(uint32_t graph_id, AnfNode *node) {
   MS_EXCEPTION_IF_NULL(node);
-  auto kernel_info = dynamic_cast<device::KernelInfo *>(node->kernel_info());
+  auto kernel_info = static_cast<device::KernelInfo *>(node->kernel_info());
   MS_EXCEPTION_IF_NULL(kernel_info);
   kernel_info->set_graph_id(graph_id);
 }
 
 uint32_t AnfRuntimeAlgorithm::GetGraphId(const AnfNode *node) {
   MS_EXCEPTION_IF_NULL(node);
-  auto kernel_info = dynamic_cast<const device::KernelInfo *>(node->kernel_info());
+  auto kernel_info = static_cast<const device::KernelInfo *>(node->kernel_info());
   MS_EXCEPTION_IF_NULL(kernel_info);
   return kernel_info->graph_id();
 }
@@ -1003,7 +1001,7 @@ bool AnfRuntimeAlgorithm::IsFeatureMapOutput(const AnfNodePtr &node) {
   if (node->isa<ValueNode>()) {
     return false;
   }
-  auto kernel_info = dynamic_cast<const device::KernelInfo *>(node->kernel_info());
+  auto kernel_info = static_cast<const device::KernelInfo *>(node->kernel_info());
   MS_EXCEPTION_IF_NULL(kernel_info);
   return kernel_info->is_feature_map();
 }
diff --git a/mindspore/ccsrc/runtime/device/gpu/gpu_kernel_runtime.cc b/mindspore/ccsrc/runtime/device/gpu/gpu_kernel_runtime.cc
index 6c3fe80155..9cfffd2a3c 100644
--- a/mindspore/ccsrc/runtime/device/gpu/gpu_kernel_runtime.cc
+++ b/mindspore/ccsrc/runtime/device/gpu/gpu_kernel_runtime.cc
@@ -281,6 +281,11 @@ void GPUKernelRuntime::ClearGraphRuntimeResource(uint32_t graph_id, const std::v
 }
 
 void GPUKernelRuntime::AllocInplaceNodeMemory(const session::KernelGraph *graph) {
+  if (is_alloc_inplace_res_[graph->graph_id()]) {
+    return;
+  }
+  is_alloc_inplace_res_[graph->graph_id()] = true;
+
   std::map<uint32_t, std::vector<CNodePtr>> inplace_groups;
   auto kernel_cnodes = graph->execution_order();
   for (auto &kernel : kernel_cnodes) {
@@ -921,6 +926,11 @@ bool GPUKernelRuntime::AllocKernelWorkspaceDynamicRes(const mindspore::kernel::K
 }
 
 void GPUKernelRuntime::AllocCommunicationOpDynamicRes(const session::KernelGraph *graph) {
+  if (is_alloc_communication_res_[graph->graph_id()]) {
+    return;
+  }
+  is_alloc_communication_res_[graph->graph_id()] = true;
+
   MS_EXCEPTION_IF_NULL(graph);
   auto &kernels = graph->execution_order();
   for (auto &kernel : kernels) {
@@ -1031,6 +1041,11 @@ void GPUKernelRuntime::FreeKernelDynamicRes(const mindspore::AnfNodePtr &kernel)
       }
     }
 
+    auto kernel_with_index = AnfAlgo::GetPrevNodeOutput(kernel, i);
+    if (AnfAlgo::IsCommunicationOp(kernel_with_index.first)) {
+      continue;
+    }
+
     auto kernel_ref_count_ptr = mem_reuse_util_->GetKernelInputRef(cnode, i);
     if (kernel_ref_count_ptr == nullptr) {
       continue;
diff --git a/mindspore/ccsrc/runtime/device/gpu/gpu_kernel_runtime.h b/mindspore/ccsrc/runtime/device/gpu/gpu_kernel_runtime.h
index 55c977cd31..a4e299586d 100644
--- a/mindspore/ccsrc/runtime/device/gpu/gpu_kernel_runtime.h
+++ b/mindspore/ccsrc/runtime/device/gpu/gpu_kernel_runtime.h
@@ -101,6 +101,8 @@ class GPUKernelRuntime : public KernelRuntime {
   std::unordered_map<uint32_t, MemSwapManagerPtr> mem_swap_map_;
   std::unordered_map<uint32_t, bool> is_first_step_map_;
   std::unordered_map<uint32_t, std::set<AnfNodePtr>> graph_output_map_;
+  std::unordered_map<uint32_t, bool> is_alloc_communication_res_;
+  std::unordered_map<uint32_t, bool> is_alloc_inplace_res_;
 
   MemReuseUtilPtr mem_reuse_util_{nullptr};
   MemSwapManagerPtr mem_swap_manager_{nullptr};