!3110 modify tinybert network hccl connect time

Merge pull request !3110 from anzhengqi/modify-networks

official/nlp/tinybert/README.md

@@ -684,6 +684,8 @@ In run_general_distill.py, we set the random seed to make sure distribute traini
 
 If accuracy < standard, may be scipy version < 1.7.
 
+if this error occurs, `connect p2p timeout, timeout: 120s.`, please add `export HCCL_CONNECT_TIMEOUT=600` in shell to resolve it.
+
 # [ModelZoo Homepage](#contents)
 
 Please check the official [homepage](https://gitee.com/mindspore/models).

official/nlp/tinybert/README_CN.md

@@ -680,6 +680,8 @@ run_general_distill.py文件中设置了随机种子，确保分布式训练初
 
 若结果精度不达标，可能原因为使用的scipy版本低于1.7
 
+若出现`connect p2p timeout, timeout: 120s.`报错信息，可以添加环境变量`export HCCL_CONNECT_TIMEOUT=600`方式适当延长HCCL建链时长解决该问题．
+
 # ModelZoo主页
 
 请浏览官网[主页](https://gitee.com/mindspore/models)。

official/nlp/tinybert/scripts/run_distributed_gd_ascend.sh

@@ -27,6 +27,7 @@ EPOCH_SIZE=$2
 PROJECT_DIR=$(cd "$(dirname "$0")" || exit; pwd)
 export RANK_TABLE_FILE=$3
 export RANK_SIZE=$1
+export HCCL_CONNECT_TIMEOUT=600
 cores=`cat /proc/cpuinfo|grep "processor" |wc -l`
 echo "the number of logical core" $cores
 avg_core_per_rank=`expr $cores \/ $RANK_SIZE`