Describe the current behavior / 问题描述 (Mandatory / 必填)

mobilenetv1网络仓地址：https://gitee.com/mindspore/models/tree/master/official/cv//MobileNet/mobilenetv1
mobilenetv1网络910ProB/910A训练性能比70.54%低于100%

Environment / 环境信息 (Mandatory / 必填)

• Hardware Environment(Ascend/GPU/CPU) / 硬件环境:

Please delete the backend not involved / 请删除不涉及的后端:
/device Ascend

• Software Environment / 软件环境 (Mandatory / 必填):
  -- MindSpore version (e.g., 1.7.0.Bxxx) :
  -- Python version (e.g., Python 3.7.5) :
  -- OS platform and distribution (e.g., Linux Ubuntu 16.04):
  -- GCC/Compiler version (if compiled from source):
  Run包：HISI_C30/20230518
  Mindspore版本：r2.1_master_20230602121730_cf123905

• Excute Mode / 执行模式 (Mandatory / 必填)(PyNative/Graph):

Please delete the mode not involved / 请删除不涉及的模式:
/mode graph

Related testcase / 关联用例 (Mandatory / 必填)

用例仓地址： solution_test/cases/02network/00cv/mobilenetv1/train
用例：
test_ms_mobilenetv1_imagenet_train_infer_8p_0006.py

Steps to reproduce the issue / 重现步骤 (Mandatory / 必填)

1. get code from models
2. cd models/official/cv/MobileNet/mobilenetv1/scripts
3. sh run_distribute_train.sh imagenet2012 ./hccl_8p.json ./ImageNet2012
4. 验证网络训练性能910ProB/910A是否大于100%

Describe the expected behavior / 预期结果 (Mandatory / 必填)

网络训练成功，网络训练性能910ProB/910A大于100%

Related log / screenshot / 日志 / 截图 (Mandatory / 必填)

910A 8p FPS：21747
910ProB 8p FPS：15341
910ProB/910A:70.54%

Special notes for this issue/备注 (Optional / 选填)

走给俞超杰