add readme.md

README.md

+
+# 数据集
+imagenet2012 
+```
+apt-get install git-lfs
+
+git lfs clone http://113.200.138.88:18080/aidatasets/project-dependency/imagenet-2012.git
+```
+
+
+# 下载模型
+
+
+```
+模型：swinv2-large-w24_in21k-pre_3rdparty_in1k-384px
+wget https://github.com/open-mmlab/mmpretrain.git
+```
+
+# 环境搭建
+
+```
+cd mmpretrain
+pip install openmim
+mim install -e .  -i https://pypi.tuna.tsinghua.edu.cn/simple 
+```
+
+
+# 训练
+
+## 单卡执行
+```
+# 修改
+
+vim configs/_base_/models/swin_transformer_v2/large_384.py
+vim configs/_base_/datasets/imagenet_bs64_swin_384.py
+vim configs/_base_/schedules/imagenet_bs1024_adamw_swin.py
+vim configs/_base_/default_runtime.py
+
+python tools/train.py  configs/swin_transformer_v2/swinv2-large-w24_in21k-pre_16xb64_in1k-384px.py  --amp
+
+```
+## 多卡执行
+```
+bash ./tools/dist_train.sh  configs/swin_transformer_v2/swinv2-large-w24_in21k-pre_16xb64_in1k-384px.py  8 --amp
+```
+
+
+# 推理
+
+
+
+
+
+# 参考文档
+
+
+https://github.com/open-mmlab/mmpretrain.git
+https://github.com/open-mmlab/mmpretrain/tree/main/configs/swin_transformer_v2