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

ModelParallelRunner并行推理接口运行在ascend后端，推理时，服务器内存短时间涨满，进程内存不足退出

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/GPU/CPU/kirin/等其他芯片
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):
  v2.2

• 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 pynative
/mode graph

Related testcase / 关联用例 (Mandatory / 必填)

mep-java长稳用例

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

1.并行推理接口正常init
2.并行推理接口多线程重复predict
3.观测服务器内存

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

内存正常

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

推理正常，进程内存正常，服务器内存暴涨

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