# Expect to reach: box mAP: 42.3%, mask mAP: 37.6% on COCO
task:
  init_checkpoint: null
  train_data:
    global_batch_size: 256
    parser:
      aug_rand_hflip: true
      aug_scale_min: 0.5
      aug_scale_max: 2.0
  losses:
    l2_weight_decay: 0.00008
  model:
    anchor:
      anchor_size: 3.0
    min_level: 3
    max_level: 7
    input_size: [640, 640, 3]
    norm_activation:
      norm_epsilon: 0.001
      norm_momentum: 0.99
      use_sync_bn: true
    detection_generator:
      pre_nms_top_k: 1000
trainer:
  train_steps: 162050
  optimizer_config:
    learning_rate:
      type: 'stepwise'
      stepwise:
        boundaries: [148160, 157420]
        values: [0.32, 0.032, 0.0032]
    warmup:
      type: 'linear'
      linear:
        warmup_steps: 2000
        warmup_learning_rate: 0.0067
