!11472 support to checkpoint group info

From: @yangzhenzhang
Reviewed-by: @stsuteng,@kisnwang
Signed-off-by: @stsuteng

mindspore/ccsrc/frontend/parallel/context.cc

@@ -124,6 +124,10 @@ void ParallelContext::set_strategy_ckpt_save_file(const std::string &strategy_ck
   strategy_ckpt_save_file_ = strategy_ckpt_save_file;
 }
 
+void ParallelContext::set_group_ckpt_save_file(const std::string &group_ckpt_save_file) {
+  group_ckpt_save_file_ = group_ckpt_save_file;
+}
+
 void ParallelContext::SetAllReduceFusionSplitIndices(const std::vector<uint32_t> indices, const std::string &group) {
   all_reduce_fusion_split_indices_[group] = indices;
 }

mindspore/ccsrc/frontend/parallel/context.h

@@ -102,6 +102,8 @@ class ParallelContext {
   std::string strategy_ckpt_load_file() const { return strategy_ckpt_load_file_; }
   void set_strategy_ckpt_save_file(const std::string &strategy_ckpt_save_file);
   std::string strategy_ckpt_save_file() const { return strategy_ckpt_save_file_; }
+  void set_group_ckpt_save_file(const std::string &group_ckpt_save_file);
+  std::string group_ckpt_save_file() const { return group_ckpt_save_file_; }
 
   void set_enable_parallel_optimizer(bool enable_parallel_optimizer) {
     enable_parallel_optimizer_ = enable_parallel_optimizer;
@@ -132,6 +134,7 @@ class ParallelContext {
   std::map<std::string, std::vector<uint32_t>> all_reduce_fusion_split_sizes_;
   std::string strategy_ckpt_load_file_;
   std::string strategy_ckpt_save_file_;
+  std::string group_ckpt_save_file_;
   bool enable_parallel_optimizer_;
 };
 

mindspore/ccsrc/frontend/parallel/device_manager.h

@@ -83,6 +83,7 @@ class DeviceManager {
 
   void Clear();
   std::string world_group() const { return gm_.world_group(); }
+  std::vector<std::pair<std::string, std::vector<uint32_t>>> group_info() const { return gm_.group_info(); }
   std::string FindRankListNameByHashName(const std::string &hash_name);
 
  private:

mindspore/ccsrc/frontend/parallel/dynamic_creator.h

@@ -40,15 +40,15 @@ class DynCreator {
  public:
   ~DynCreator() = default;
 
-  // creat static singleton dyn_creator instance
+  // create static singleton dyn_creator instance
   static DynCreator &Instance() {
     static DynCreator fac = DynCreator();
     return fac;
   }
   // register
-  void Regist(std::string name, CreatFn func) { (void)Function_map_.insert(std::make_pair(name, func)); }
+  void Register(std::string name, CreatFn func) { (void)Function_map_.insert(std::make_pair(name, func)); }
   // creator
-  OperatorInfoPtr Creat(const std::string &name, const Shapes &shape_in, const Shapes &shape_out,
+  OperatorInfoPtr Create(const std::string &name, const Shapes &shape_in, const Shapes &shape_out,
                          const PrimitiveAttrs &attrs, size_t count) {
     std::string op_name = name + std::to_string(count);
     auto iter = Function_map_.find(name);
@@ -67,7 +67,7 @@ class DynCreator {
 class RegisterAction {
  public:
   RegisterAction(const std::string &name, CreatFn creatfn) : name_(name) {
-    DynCreator::Instance().Regist(name, creatfn);
+    DynCreator::Instance().Register(name, creatfn);
   }
   ~RegisterAction() = default;
 

mindspore/ccsrc/frontend/parallel/group_manager.cc

@@ -17,6 +17,7 @@
 #include "frontend/parallel/group_manager.h"
 #include <algorithm>
 #include <vector>
+#include <utility>
 #include "backend/session/executor_manager.h"
 #include "frontend/parallel/device_manager.h"
 #include "utils/comm_manager.h"
@@ -109,6 +110,9 @@ Status GroupManager::CreateGroup(const std::string &group_name, const std::vecto
       return Status::FAILED;
     }
 
+    std::pair<std::string, std::vector<uint32_t>> group_info = std::make_pair(group_name, ranks);
+    group_info_.push_back(group_info);
+
     MS_LOG(INFO) << "Create group success, group name is " << group_name;
     return Status::SUCCESS;
   }
@@ -187,5 +191,27 @@ Status GroupManager::FindGroup(const std::string &name, mindspore::parallel::Gro
 }
 
 void GroupManager::Clear() { (void)DestroyAllGroups(); }
+
+Status CreateGroups(const std::vector<std::pair<std::string, std::vector<uint32_t>>> &group_info) {
+  // Create group through the executor
+  auto context_ptr = MsContext::GetInstance();
+  MS_EXCEPTION_IF_NULL(context_ptr);
+  std::string device_name = context_ptr->get_param<std::string>(MS_CTX_DEVICE_TARGET);
+  uint32_t device_id = context_ptr->get_param<uint32_t>(MS_CTX_DEVICE_ID);
+  auto executor = session::ExecutorManager::Instance().GetExecutor(device_name, device_id);
+  MS_EXCEPTION_IF_NULL(executor);
+
+  for (auto &group : group_info) {
+    bool ret = executor->CreateCommGroup(group.first, group.second);
+    if (!ret) {
+      MS_LOG(ERROR) << "Create group failed, group name is " << group.first << ", ranks is " << group.second;
+      return FAILED;
+    }
+    MS_LOG(INFO) << "Create group success, group name is " << group.first << ", ranks is " << group.second;
+  }
+
+  return SUCCESS;
+}
+
 }  // namespace parallel
 }  // namespace mindspore

mindspore/ccsrc/frontend/parallel/group_manager.h

@@ -21,6 +21,7 @@
 #include <map>
 #include <string>
 #include <vector>
+#include <utility>
 
 #include "frontend/parallel/device.h"
 #include "frontend/parallel/status.h"
@@ -62,6 +63,7 @@ class GroupManager {
   Status FindGroup(const std::string &name, Group **group);
   std::string world_group() const { return world_group_; }
   void set_world_group(const std::string &name) { world_group_ = name; }
+  std::vector<std::pair<std::string, std::vector<uint32_t>>> group_info() const { return group_info_; }
   void Clear();
 
  private:
@@ -69,7 +71,10 @@ class GroupManager {
   // the key is group name (name_)
   std::map<std::string, Group> groups_;
   std::string world_group_;
+  std::vector<std::pair<std::string, std::vector<uint32_t>>> group_info_;
 };
+
+Status CreateGroups(const std::vector<std::pair<std::string, std::vector<uint32_t>>> &group_info);
 }  // namespace parallel
 }  // namespace mindspore
 

mindspore/ccsrc/frontend/parallel/ops_info/reduce_method_info.cc

@@ -160,7 +160,7 @@ Status ReduceMethod::InferForwardCommunication() {
   Shape group_creat_map;
 
   // if repeated calculation and the repeated_calc_num_ insert to the first dimension of dev matrix,
-  // it need to handle the first dimention of map.
+  // it need to handle the first dimension of map.
   if ((dev_matrix_shape_.size() > size) && !repeated_num_in_dev_matrix_right_) {
     group_creat_map.push_back(SizeToInt(dev_matrix_shape_.size() - size_t(1)));
   }
@@ -200,12 +200,12 @@ Status ReduceMethod::InferForwardCommunication() {
 }
 
 ForwardOp CreateReduceMeanForwardOp(const std::vector<Group> &forward_group, const TypePtr &dtype) {
-  // Creat AllReduceSum op
+  // Create AllReduceSum op
   Operator op0 = CreateAllReduceOp(REDUCE_OP_SUM, forward_group[0].name());
   std::string group_name = forward_group[0].name();
   MS_LOG(INFO) << "The group of forward all reduce is " << group_name;
 
-  // Creat RealDiv op
+  // Create RealDiv op
   OperatorName operator1_name = REAL_DIV;
   std::vector<Device> device_list = forward_group[0].GetDevicesList();
   auto divisor = static_cast<float>(device_list.size());
@@ -237,7 +237,7 @@ Status ReduceMeanInfo::InferForwardCommunication() {
   Shape group_creat_map;
 
   // if repeated calculation and the repeated_calc_num_ insert to the first dimension of dev matrix,
-  // it need to handle the first dimention of map.
+  // it need to handle the first dimension of map.
   if ((dev_matrix_shape_.size() > size) && !repeated_num_in_dev_matrix_right_) {
     group_creat_map.push_back(SizeToInt(dev_matrix_shape_.size() - size_t(1)));
   }

mindspore/ccsrc/frontend/parallel/step_parallel.cc

@@ -326,7 +326,7 @@ void ForwardCommunication(OperatorVector forward_op, const CNodePtr &node) {
     std::string instance_name_base = FORWARD_OP;
     std::string instance_name = instance_name_base + "_" + CreateInstanceName(node, index);
     std::vector<AnfNodePtr> forward_input = CreateInput(forward_op[index], node_to_insert, instance_name);
-    CNodePtr forward_node = func_graph->NewCNode(forward_input);  // using NewCNode to creat anfnode
+    CNodePtr forward_node = func_graph->NewCNode(forward_input);  // using NewCNode to create anfnode
     MS_EXCEPTION_IF_NULL(forward_node);
     ScopePtr scope = node->scope();
     MS_EXCEPTION_IF_NULL(scope);
@@ -371,10 +371,10 @@ void InsertRedistribution(const RedistributionOpListPtr &redistribution_oplist_p
     if (pos >= SizeToLong(node->inputs().size())) {
       MS_LOG(EXCEPTION) << "InsertRedistribution:pos can't be larger than node's inputs'size";
     }
-    // Creat new node
+    // Create new node
     AnfNodePtr target_node = node->input(LongToSize(pos));
     MS_EXCEPTION_IF_NULL(target_node);
-    // Creat instance_name
+    // Create instance_name
     auto op = (redistribution_oplist_ptr->first)[index];
     std::string op_name = (redistribution_oplist_ptr->first)[index].first;
     std::string instance_name_base = REDISTRIBUTION_OP;
@@ -400,7 +400,7 @@ void InsertGetTensorSliceOp(const Operator &op, const CNodePtr &node, const Func
     MS_LOG(EXCEPTION) << "InsertGetTensorSliceOp: pos can't be larger than node's inputs'size, the instance name is "
                       << instance_name;
   }
-  // Creat new node
+  // Create new node
   AnfNodePtr pre_node = node->input(LongToSize(pos));
   MS_EXCEPTION_IF_NULL(pre_node);
   InsertNode(op, node, LongToSize(pos), pre_node, func_graph, instance_name);
@@ -595,7 +595,7 @@ void StepRedistribution(const CNodePtr &node, const OperatorInfoPtr &distribute_
   CNodePtr insert_node_new;
 
   if (AnfNodeIsPrimitive(node, MAKE_TUPLE) || AnfNodeIsPrimitive(node, MAKE_LIST)) {
-    MS_LOG(INFO) << "No need to insert redistribution op betweend make_tuple node and the next node";
+    MS_LOG(INFO) << "No need to insert redistribution op between make_tuple node and the next node";
     return;
   }
   if (IsValueNode<Primitive>(node->input(0))) {
@@ -883,10 +883,10 @@ void StepReplaceGraph(const ReplaceGraphPtr &replace_graph, const CNodePtr &node
   if (manager == nullptr) {
     MS_LOG(EXCEPTION) << "Failure:AddNode error since manager is nullptr";
   }
-  // Sovle the input order
+  // Solve the input order
   // For example input_node:{segment_sum:1, segment_sum:2, gahter:2}
-  // The Original code here will bind the all operations to the first inputs of theses operatos
-  // However, the segment_sum operation needs two inputs, To sovle this
+  // The Original code here will bind the all operations to the first inputs of these operatos
+  // However, the segment_sum operation needs two inputs, To solve this
   // We maintain a dict to count the times of the same operations,
   // and bind the inputs according to the times of the op appears.
   static std::unordered_map<AnfNodePtr, int> input_map = {};
@@ -1241,9 +1241,9 @@ OperatorInfoPtr OperatorInstanceByName(const std::string &name, const PrimitiveA
     }
   }
   OperatorInfoPtr operator_ =
-    (OperatorInfoPtr)DynCreator::Instance().Creat(distribute_opname, shape_list[0], shape_list[1], attrs, TOTAL_OPS);
+    (OperatorInfoPtr)DynCreator::Instance().Create(distribute_opname, shape_list[0], shape_list[1], attrs, TOTAL_OPS);
   if (operator_ == nullptr) {
-    MS_LOG(INFO) << "Creat " << name << " failed";
+    MS_LOG(INFO) << "Create " << name << " failed";
     return nullptr;
   }
   std::string origin_name = operator_->name();
@@ -1261,7 +1261,7 @@ OperatorInfoPtr OperatorInstance(const PrimitivePtr &prim, const PrimitiveAttrs
     if (IsInBatchParallelBlackList(prim)) {
       MS_LOG(EXCEPTION) << "Operator " << prim->name() << " is not supported yet in auto parallel mode.";
     }
-    MS_LOG(INFO) << "Creat " << prim->name() << " failed, use batch parallel";
+    MS_LOG(INFO) << "Create " << prim->name() << " failed, use batch parallel";
     operator_ = OperatorInstanceByName(BATCH_PARALLEL, attrs, shape_list);
     MS_EXCEPTION_IF_NULL(operator_);
   }
@@ -1351,7 +1351,7 @@ Shapes GetNodeShape(const AnfNodePtr &node) {
     }
     if (cnode->input(0)->isa<CNode>()) {
       if (cnode->inputs().size() < 2) {
-        MS_LOG(EXCEPTION) << "GetNodeShape: " << node->ToString() << " size is samller than 2";
+        MS_LOG(EXCEPTION) << "GetNodeShape: " << node->ToString() << " size is smaller than 2";
       }
       base_shape_ptr = cnode->input(1)->Shape();
     }
@@ -2546,7 +2546,7 @@ void ParallelCommunication(const FuncGraphPtr &root, const std::vector<AnfNodePt
   bool has_backward = !sens_loss_pairs.empty();
   // split sens must before inserting the operators.
   for (auto &pair : sens_loss_pairs) {
-    // If the shape of grad-sens tensor is not [] or [1], use get tensor slice to handel it.
+    // If the shape of grad-sens tensor is not [] or [1], use get tensor slice to handle it.
     // If the type of sens node is not Tensor, it is unsupported now, do nothing default.
     if (IsLastStage()) {
       StepSplitSens(pair);
@@ -2703,7 +2703,7 @@ void CheckpointStrategy(const std::vector<AnfNodePtr> &all_nodes) {
         auto param_split_shapes = gatherv2_info->param_split_shapes();
         auto index_offsets = gatherv2_info->index_offsets();
         if (param_split_shapes.size() != index_offsets.size()) {
-          MS_LOG(EXCEPTION) << "In manual split, the param_split_shapes and index_offsets lenght should be same.";
+          MS_LOG(EXCEPTION) << "In manual split, the param_split_shapes and index_offsets length should be same.";
         }
         std::vector<std::pair<int64_t, int64_t>> manual_shape;
         for (int64_t i = 0; i < UlongToLong(param_split_shapes.size()); ++i) {
@@ -2713,6 +2713,7 @@ void CheckpointStrategy(const std::vector<AnfNodePtr> &all_nodes) {
       }
     }
   }
+
   if (StrategyCheckpoint::GetInstance().Save(stra_map, tensor_info_map, &manual_shape_map) != SUCCESS) {
     MS_LOG(EXCEPTION) << "Save strategy checkpoint failed";
   }
@@ -3142,6 +3143,19 @@ void CheckParameterSplit(const std::vector<AnfNodePtr> &all_nodes) {
   }
 }
 
+bool CreateGroupsByCkptFile(const std::string &file) {
+  GroupInfoMap group_info_map;
+  if (StrategyCheckpoint::GetInstance().LoadGroupInfo(file, &group_info_map) != SUCCESS) {
+    return false;
+  }
+
+  if (CreateGroups(group_info_map) != SUCCESS) {
+    return false;
+  }
+  MS_LOG(INFO) << "Create groups by checkpoint file success";
+  return true;
+}
+
 bool IsUsedParameter(const FuncGraphPtr &graph, const AnfNodePtr &parameter) {
   MS_EXCEPTION_IF_NULL(graph);
   MS_EXCEPTION_IF_NULL(parameter);
@@ -3290,6 +3304,12 @@ bool StepParallel(const FuncGraphPtr &root, const opt::OptimizerPtr &optimizer)
   // ForwardCommunication BackwardCommunication TensorRedistribution
   ParallelCommunication(root, all_nodes, manager);
 
+  auto group_info = g_device_manager->group_info();
+  if (StrategyCheckpoint::GetInstance().group_info_save_on() &&
+      StrategyCheckpoint::GetInstance().SaveGroupInfo(group_info) != SUCCESS) {
+    MS_LOG(EXCEPTION) << "Save group info failed";
+  }
+
   DumpGraph(root, std::string(STEP_PARALLEL_END));
 
   // step parallel only run once

mindspore/ccsrc/frontend/parallel/step_parallel.h

@@ -109,7 +109,7 @@ void CoverSliceShape(const FuncGraphPtr &root);
 
 void SetVirtualDatasetStrategy(const CNodePtr &node);
 
-// Creat parallel operator for primitive node(has strategy)
+// Create parallel operator for primitive node(has strategy)
 void ExtractInformation(const std::vector<AnfNodePtr> &all_nodes, bool is_training = true);
 
 TensorLayout GetInputLayoutFromCNode(const std::pair<AnfNodePtr, int64_t> &node_pair);
@@ -163,6 +163,8 @@ void ApplyParallelOptOnParam(TensorLayout *tensor_layout, const OperatorInfoPtr
 
 void SetLastNodeStrategy(const StrategyPtr strategyPtr);
 
+bool CreateGroupsByCkptFile(const std::string &file);
+
 void FindLastNodesUniqueId(const std::vector<AnfNodePtr> &all_nodes, std::vector<std::string> *unique_ids);
 }  // namespace parallel
 }  // namespace mindspore

mindspore/ccsrc/frontend/parallel/strategy_checkpoint/parallel_strategy_checkpoint.cc

@@ -34,6 +34,8 @@ StrategyCheckpoint &StrategyCheckpoint::GetInstance() {
     instance.load_checkpoint_on_ = !ParallelContext::GetInstance()->strategy_ckpt_load_file().empty();
     instance.save_file_ = ParallelContext::GetInstance()->strategy_ckpt_save_file();
     instance.save_checkpoint_on_ = !ParallelContext::GetInstance()->strategy_ckpt_save_file().empty();
+    instance.group_info_save_file_ = ParallelContext::GetInstance()->group_ckpt_save_file();
+    instance.group_info_save_on_ = !ParallelContext::GetInstance()->group_ckpt_save_file().empty();
   }
   return instance;
 }
@@ -46,6 +48,39 @@ bool StrategyCheckpoint::CheckPointExit(const std::string path) const {
   return false;
 }
 
+Status StrategyCheckpoint::LoadGroupInfo(const std::string &file, GroupInfoMap *group_info_map) {
+  MS_EXCEPTION_IF_NULL(group_info_map);
+  if (!CheckPointExit(file)) {
+    MS_LOG(EXCEPTION) << "CheckPoint file is not found";
+  }
+  straspb::ParallelGroupMap parallel_group_map;
+  std::fstream input(file, std::ios::in | std::ios::binary);
+  if (!parallel_group_map.ParseFromIstream(&input)) {
+    MS_LOG(ERROR) << "Load strategy file failed";
+    return FAILED;
+  }
+  input.close();
+
+  size_t group_num = LongToSize(parallel_group_map.parallel_group_item_size());
+  for (size_t i = 0; i < group_num; ++i) {
+    straspb::ParallelGroupItem parallel_group_item = parallel_group_map.parallel_group_item(SizeToLong(i));
+    std::string group_name = parallel_group_item.group_name();
+
+    straspb::ParallelGroupRanks parallel_group_ranks = parallel_group_item.parallel_group_ranks();
+    size_t rank_num = LongToSize(parallel_group_ranks.dim_size());
+    std::vector<uint32_t> ranks;
+    for (size_t j = 0; j < rank_num; ++j) {
+      uint32_t rank = parallel_group_ranks.dim(SizeToLong(j));
+      ranks.push_back(rank);
+    }
+
+    std::pair<std::string, std::vector<uint32_t>> group = std::make_pair(group_name, ranks);
+    group_info_map->push_back(group);
+  }
+
+  return SUCCESS;
+}
+
 Status StrategyCheckpoint::Load(StrategyMap *strategy_map) {
   if (strategy_map == nullptr) {
     MS_LOG(EXCEPTION) << "Failure:strategy_map is nullptr";
@@ -141,5 +176,27 @@ Status StrategyCheckpoint::Save(const StrategyMap &strategy_map, const TensorInf
   output.close();
   return SUCCESS;
 }
+
+Status StrategyCheckpoint::SaveGroupInfo(const GroupInfoMap &group_info_map) {
+  straspb::ParallelGroupMap parallel_group_map;
+  for (auto &group : group_info_map) {
+    straspb::ParallelGroupItem *parallel_group_item = parallel_group_map.add_parallel_group_item();
+    MS_EXCEPTION_IF_NULL(parallel_group_item);
+    parallel_group_item->set_group_name(group.first);
+    straspb::ParallelGroupRanks *parallel_group_ranks = parallel_group_item->mutable_parallel_group_ranks();
+    MS_EXCEPTION_IF_NULL(parallel_group_ranks);
+    for (auto &rank : group.second) {
+      parallel_group_ranks->add_dim(rank);
+    }
+  }
+
+  std::fstream output(group_info_save_file_, std::ios::out | std::ios::trunc | std::ios::binary);
+  if (!parallel_group_map.SerializeToOstream(&output)) {
+    MS_LOG(ERROR) << "Save strategy file failed";
+    return FAILED;
+  }
+  output.close();
+  return SUCCESS;
+}
 }  // namespace parallel
 }  // namespace mindspore

mindspore/ccsrc/frontend/parallel/strategy_checkpoint/parallel_strategy_checkpoint.h

@@ -32,6 +32,7 @@ namespace parallel {
 using StrategyMap = std::unordered_map<std::string, StrategyPtr>;
 using TensorInfoMap = std::unordered_map<std::string, TensorInfo>;
 using ManualShapeMap = std::unordered_map<std::string, std::vector<std::pair<int64_t, int64_t>>>;
+using GroupInfoMap = std::vector<std::pair<std::string, std::vector<uint32_t>>>;
 class StrategyCheckpoint {
  public:
   StrategyCheckpoint() {
@@ -40,11 +41,16 @@ class StrategyCheckpoint {
     load_checkpoint_on_ = false;
     save_file_ = "";
     save_checkpoint_on_ = false;
+    group_info_save_file_ = "";
+    group_info_save_on_ = false;
   }
   ~StrategyCheckpoint() = default;
 
   Status Load(StrategyMap *strategy_map);
+  Status LoadGroupInfo(const std::string &file, GroupInfoMap *group_info_map);
   Status Save(const StrategyMap &strategy_map, const TensorInfoMap &tensor_info_map, ManualShapeMap *manual_shape_map);
+  Status SaveGroupInfo(const GroupInfoMap &group_info_map);
+  bool group_info_save_on() const { return group_info_save_on_; }
 
   static StrategyCheckpoint &GetInstance();
   bool LoadCheckPointOn() const { return load_checkpoint_on_; }
@@ -57,6 +63,8 @@ class StrategyCheckpoint {
   bool save_checkpoint_on_;
   bool CheckPointExit(const std::string path) const;
   int64_t current_stage_;
+  std::string group_info_save_file_;
+  bool group_info_save_on_;
 };
 }  // namespace parallel
 }  // namespace mindspore

mindspore/ccsrc/pipeline/jit/init.cc

@@ -157,6 +157,7 @@ PYBIND11_MODULE(_c_expression, m) {
          "Set strategy checkpoint save file.")
     .def("get_strategy_ckpt_load_file", &ParallelContext::strategy_ckpt_load_file, "Get strategy checkpoint load file.")
     .def("get_strategy_ckpt_save_file", &ParallelContext::strategy_ckpt_save_file, "Get strategy checkpoint save file.")
+    .def("set_group_ckpt_save_file", &ParallelContext::set_group_ckpt_save_file, "Set group checkpoint save file.")
     .def("set_pipeline_stage_split_num", &ParallelContext::set_pipeline_stage_split_num,
          "Set pipeline stage split num.")
     .def("get_pipeline_stage_split_num", &ParallelContext::pipeline_stage_split_num, "Get pipeline stage split num.")

mindspore/ccsrc/utils/node_strategy.proto

@@ -61,6 +61,19 @@ message ParallelLayoutItem {
     required ParallelLayouts parallel_layouts = 2;
 }
 
+message ParallelGroupRanks {
+    repeated uint32 dim = 1;
+}
+
+message ParallelGroupItem {
+    required string group_name = 1;
+    required ParallelGroupRanks parallel_group_ranks = 2;
+}
+
+message ParallelGroupMap {
+    repeated ParallelGroupItem parallel_group_item = 1;
+}
+
 message ParallelStrategyMap {
     required uint32 current_stage = 1;
     repeated ParallelStrategyItem parallel_strategy_item = 2;

mindspore/parallel/_auto_parallel_context.py

@@ -283,6 +283,15 @@ class _AutoParallelContext:
         self.check_context_handle()
         return self._context_handle.get_strategy_ckpt_save_file()
 
+    def set_group_ckpt_save_file(self, group_ckpt_save_file):
+        """Set group checkpoint save path."""
+        self.check_context_handle()
+        import os
+        dir_path = os.path.dirname(group_ckpt_save_file)
+        if dir_path and not os.path.exists(dir_path):
+            os.makedirs(dir_path)
+        self._context_handle.set_group_ckpt_save_file(group_ckpt_save_file)
+
     def get_parameter_broadcast_is_set(self):
         """Get parameter broadcast is set or not."""
         self.check_context_handle()
@@ -505,6 +514,7 @@ _set_auto_parallel_context_func_map = {
     "parameter_broadcast": auto_parallel_context().set_parameter_broadcast,
     "strategy_ckpt_load_file": auto_parallel_context().set_strategy_ckpt_load_file,
     "strategy_ckpt_save_file": auto_parallel_context().set_strategy_ckpt_save_file,
+    "group_ckpt_save_file": auto_parallel_context().set_group_ckpt_save_file,
     "full_batch": auto_parallel_context().set_full_batch,
     "enable_parallel_optimizer": auto_parallel_context().set_enable_parallel_optimizer,
     "grad_accumulation_step": auto_parallel_context().set_grad_accumulation_step,
@@ -533,7 +543,7 @@ _get_auto_parallel_context_func_map = {
                  loss_repeated_mean=bool, parallel_mode=str, auto_parallel_search_mode=str,
                  parameter_broadcast=bool, strategy_ckpt_load_file=str,
                  strategy_ckpt_save_file=str, full_batch=bool, enable_parallel_optimizer=bool,
-                 grad_accumulation_step=int, all_reduce_fusion_config=list)
+                 grad_accumulation_step=int, all_reduce_fusion_config=list, group_ckpt_save_file=str)
 
 def _set_auto_parallel_context(**kwargs):
     """
@@ -574,6 +584,7 @@ def _set_auto_parallel_context(**kwargs):
                        broadcast. Default: False.
         strategy_ckpt_load_file (str): The path to load parallel strategy checkpoint. Default: ''
         strategy_ckpt_save_file (str): The path to save parallel strategy checkpoint. Default: ''
+        group_ckpt_save_file (str): The path to save parallel group checkpoint. Default: ''
         full_batch (bool): Whether to load the whole batch on each device. Default: False.
         enable_parallel_optimizer (bool): Enable using optimizer segmentation or not. Default: False.
         all_reduce_fusion_config (list): Set allreduce fusion strategy by parameters indices.

tests/ut/cpp/stub/parallel_strategy_checkpoint/parallel_strategy_checkpoint_stub.cc

@@ -31,5 +31,9 @@ Status StrategyCheckpoint::Load(StrategyMap* strategy_map) { return SUCCESS; }
 
 Status StrategyCheckpoint::Save(const StrategyMap &strategy_map, const TensorInfoMap &tensor_info_map,
                                 ManualShapeMap *manual_shape_map) { return SUCCESS; }
+
+Status StrategyCheckpoint::LoadGroupInfo(const std::string &file, GroupInfoMap *group_info_map) { return SUCCESS; }
+
+Status StrategyCheckpoint::SaveGroupInfo(const GroupInfoMap &group_info_map) { return SUCCESS; }
 }  // namespace parallel
 }  // namespace mindspore

tests/ut/python/parallel/test_strategy_checkpoint.py

@@ -75,7 +75,8 @@ def test_six_matmul_save():
             return out
 
     reset_auto_parallel_context()
-    set_auto_parallel_context(device_num=8, global_rank=0, strategy_ckpt_save_file="./strategy_stage1.ckpt")
+    set_auto_parallel_context(device_num=8, global_rank=0, strategy_ckpt_save_file="./strategy_stage1.ckpt",
+                              group_ckpt_save_file="./group_stage1.ckpt")
     strategy1 = ((8, 1), (1, 1))
     strategy2 = ((1, 8), (8, 1))
     strategy3 = ((2, 2), (2, 2))
@@ -137,7 +138,8 @@ def test_six_matmul_load():
             return out
 
     reset_auto_parallel_context()
-    set_auto_parallel_context(device_num=8, global_rank=0, strategy_ckpt_load_file="./strategy_stage1.ckpt")
+    set_auto_parallel_context(device_num=8, global_rank=0, strategy_ckpt_load_file="./strategy_stage1.ckpt",
+                              group_ckpt_save_file="./group_stage1.ckpt")
     strategy1 = ((8, 1), (1, 1))
     strategy3 = ((8, 1), (1, 1))
     strategy4 = ((8, 1), (1, 1))