retinanet_r50_fpn_8xb8-amp-lsj-200e_coco.py 711 B

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  1. _base_ = [
  2. '../_base_/models/retinanet_r50_fpn.py',
  3. '../common/lsj-200e_coco-detection.py'
  4. ]
  5. image_size = (1024, 1024)
  6. batch_augments = [dict(type='BatchFixedSizePad', size=image_size)]
  7. model = dict(data_preprocessor=dict(batch_augments=batch_augments))
  8. train_dataloader = dict(batch_size=8, num_workers=4)
  9. # Enable automatic-mixed-precision training with AmpOptimWrapper.
  10. optim_wrapper = dict(
  11. type='AmpOptimWrapper',
  12. optimizer=dict(
  13. type='SGD', lr=0.01 * 4, momentum=0.9, weight_decay=0.00004))
  14. # NOTE: `auto_scale_lr` is for automatically scaling LR,
  15. # USER SHOULD NOT CHANGE ITS VALUES.
  16. # base_batch_size = (8 GPUs) x (8 samples per GPU)
  17. auto_scale_lr = dict(base_batch_size=64)