From 4e42992cc1e7159f2c476105864ea12580e5ccdc Mon Sep 17 00:00:00 2001
From: yao_yf <yaoyifan1@huawei.com>
Date: Tue, 7 Mar 2023 09:50:39 +0800
Subject: [PATCH] fix opt_shard bug

---
 mindspore/ccsrc/frontend/parallel/step_parallel.cc | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/mindspore/ccsrc/frontend/parallel/step_parallel.cc b/mindspore/ccsrc/frontend/parallel/step_parallel.cc
index c7e515953fe..6ef6010ddbe 100644
--- a/mindspore/ccsrc/frontend/parallel/step_parallel.cc
+++ b/mindspore/ccsrc/frontend/parallel/step_parallel.cc
@@ -1271,9 +1271,9 @@ static void InsertAllGatherOp(const FuncGraphPtr &root, const std::string &group
   if (param_ptr->user_data<TensorLayout>()) {
     auto opt_shard_mirror_group = param_ptr->user_data<TensorLayout>()->opt_shard_mirror_group();
     is_with_mirror = !opt_shard_mirror_group.empty();
-    if (!is_with_mirror) {
+    if (!param_ptr->param_info()->parallel_optimizer()) {
       auto mirror_group = mirror_group_list(param_ptr->user_data<TensorLayout>());
-      is_with_mirror = !mirror_group.empty();
+      is_with_mirror = mirror_group.size() > 1;
     }
   }