ResNet18.yaml

# global configs
Global:
  checkpoints: null
  pretrained_model: null
  output_dir: "./output/"
  device: "gpu"
  class_num: 1000
  save_interval: 1
  eval_during_train: True
  eval_interval: 1
  epochs: 120
  print_batch_step: 10
  use_visualdl: False
  # used for static mode and model export
  image_shape: [3, 224, 224]
  save_inference_dir: "./inference"

# model architecture
Arch:
  name: "ResNet18"
 
# loss function config for traing/eval process
Loss:
  Train:
    - CELoss:
        weight: 1.0
  Eval:
    - CELoss:
        weight: 1.0


Optimizer:
  name: Momentum
  momentum: 0.9
  lr:
    name: Piecewise
    learning_rate: 0.1
    decay_epochs: [30, 60, 90]
    values: [0.1, 0.01, 0.001, 0.0001]
  regularizer:
    name: 'L2'
    coeff: 0.0001


# data loader for train and eval
DataLoader:
  Train:
    dataset:
        name: ImageNetDataset
        image_root: "./dataset/ILSVRC2012/"
        cls_label_path: "./dataset/ILSVRC2012/train_list.txt"
        transform_ops:
          - RandCropImage:
              size: 224
          - RandFlipImage:
              flip_code: 1
          - NormalizeImage:
              scale: 0.00392157
              mean: [0.485, 0.456, 0.406]
              std: [0.229, 0.224, 0.225]
              order: ''

    sampler:
        name: DistributedBatchSampler
        batch_size: 64
        drop_last: False
        shuffle: True
    loader:
        num_workers: 6
        use_shared_memory: True

  Eval:
    # TOTO: modify to the latest trainer
    dataset: 
        name: ImageNetDataset
        image_root: "./dataset/ILSVRC2012/"
        cls_label_path: "./dataset/ILSVRC2012/val_list.txt"
        transform_ops:
          - ResizeImage:
              resize_short: 256
          - CropImage:
              size: 224
          - NormalizeImage:
              scale: 0.00392157
              mean: [0.485, 0.456, 0.406]
              std: [0.229, 0.224, 0.225]
              order: ''
    sampler:
        name: DistributedBatchSampler
        batch_size: 64
        drop_last: False
        shuffle: False
    loader:
        num_workers: 6
        use_shared_memory: True

Infer:
  infer_imgs: "docs/images/whl/demo.jpg"
  batch_size: 10
  transforms:
      - DecodeImage:
          to_rgb: True
          channel_first: False
      - ResizeImage:
          resize_short: 256
      - CropImage:
          size: 224
      - NormalizeImage:
          scale: 1.0/255.0
          mean: [0.485, 0.456, 0.406]
          std: [0.229, 0.224, 0.225]
          order: ''
      - ToCHWImage:
  PostProcess:
    name: Topk
    topk: 5
    class_id_map_file: "ppcls/utils/imagenet1k_label_list.txt"

Metric:
    Train:
    - TopkAcc:
        topk: [1, 5]
    Eval:
    - TopkAcc:
        topk: [1, 5]