[Enhancement] Add example config

configs/vision_transformer/vit-base-p16_8xb64-lora_in1k-384px.py

@@ -0,0 +1,84 @@
+_base_ = [
+    '../_base_/datasets/imagenet_bs64_pil_resize.py',
+    '../_base_/schedules/imagenet_bs4096_AdamW.py',
+    '../_base_/default_runtime.py'
+]
+
+# model setting
+model = dict(
+    type='ImageClassifier',
+    backbone=dict(
+        type='LoRAModel',
+        module=dict(
+            type='VisionTransformer',
+            arch='b',
+            img_size=384,
+            patch_size=16,
+            drop_rate=0.1,
+            init_cfg=dict(type='Pretrained', checkpoint='')),
+        alpha=16,
+        rank=16,
+        drop_rate=0.1,
+        targets=[dict(type='qkv')]),
+    neck=None,
+    head=dict(
+        type='VisionTransformerClsHead',
+        num_classes=1000,
+        in_channels=768,
+        loss=dict(
+            type='LabelSmoothLoss', label_smooth_val=0.1,
+            mode='classy_vision'),
+        init_cfg=[dict(type='TruncNormal', layer='Linear', std=2e-5)],
+    ))
+
+
+# dataset setting
+data_preprocessor = dict(
+    mean=[127.5, 127.5, 127.5],
+    std=[127.5, 127.5, 127.5],
+    # convert image from BGR to RGB
+    to_rgb=True,
+)
+
+train_pipeline = [
+    dict(type='LoadImageFromFile'),
+    dict(type='RandomResizedCrop', scale=384, backend='pillow'),
+    dict(type='RandomFlip', prob=0.5, direction='horizontal'),
+    dict(type='PackInputs'),
+]
+
+test_pipeline = [
+    dict(type='LoadImageFromFile'),
+    dict(type='ResizeEdge', scale=384, edge='short', backend='pillow'),
+    dict(type='CenterCrop', crop_size=384),
+    dict(type='PackInputs'),
+]
+
+train_dataloader = dict(dataset=dict(pipeline=train_pipeline))
+val_dataloader = dict(dataset=dict(pipeline=test_pipeline))
+
+param_scheduler = [
+    dict(
+        type='LinearLR',
+        start_factor=1e-4,
+        by_epoch=True,
+        begin=0,
+        end=5,
+        convert_to_iter_based=True),
+    dict(
+        type='CosineAnnealingLR',
+        T_max=45,
+        by_epoch=True,
+        begin=5,
+        end=50,
+        eta_min=1e-6,
+        convert_to_iter_based=True)
+]
+
+train_cfg = dict(by_epoch=True, max_epochs=50)
+default_hooks = dict(
+    # save checkpoint per epoch.
+    checkpoint=dict(type='CheckpointHook', interval=1, max_keep_ckpts=3))
+
+# schedule setting
+optim_wrapper = dict(clip_grad=dict(max_norm=1.0))