refactor: init value_and_grad (#737)

Author: geniuspatrick

config.py

@@ -256,20 +256,6 @@ def create_parser():
     group.add_argument('--drop_overflow_update', type=bool, default=False,
                        help='Whether to execute optimizer if there is an overflow (default=False)')
 
-    # modelarts
-    group = parser.add_argument_group('modelarts')
-    group.add_argument('--enable_modelarts', type=str2bool, nargs='?', const=True, default=False,
-                       help='Run on modelarts platform (default=False)')
-    group.add_argument('--device_target', type=str, default='Ascend')
-    group.add_argument('--multi_data_url', type=str, default='/cache/data/',
-                       help='path to multi dataset')
-    group.add_argument('--data_url', type=str, default='/cache/data/',
-                       help='path to dataset')
-    group.add_argument('--ckpt_url', type=str, default='/cache/output/',
-                       help='pre_train_model path in obs')
-    group.add_argument('--train_url', type=str, default='/cache/output/',
-                       help='model folder to save/load')
-
     return parser_config, parser
 # fmt: on
 

examples/README.md

@@ -1,14 +1,19 @@
-This folder contains examples for various tasks, which users can run easily.
-
-### Single process with model training and evaluation
-```
-python examples/train_with_func_example.py
-```
-This example shows how to train and evaluate a model on your own dataset.
-
-### Multiprocess with model training and evaluation
-```
-export CUDA_VISIBLE_DEVICES=0,1,2,3  # suppose there are 4 GPUs
-mpirun --allow-run-as-root -n 4 python examples/train_parallel_with_func_example.py
-```
-This example shows how to train and evaluate a mode with multiprocess on your own dataset on GPU.
+# Examples based on MindCV
+
+This folder contains examples for various downstream tasks, which users can run easily.
+
+## Finetune
+
+- A detailed [sample](./finetune), aimed to easily adapt pretrained models to customized datasets.
+
+## Detection
+
+- [SSD](./det/ssd)
+
+## Segmentation
+
+- [DeepLabV3 & DeepLabV3+](./seg/deeplabv3)
+
+## Vision Foundation Models
+
+- coming soon.