pretrain_weights: https://paddledet.bj.bcebos.com/models/picodet_m_320_coco.pdparams
slim: UnstructuredPruner

UnstructuredPruner:
    stable_epochs: 0
    pruning_epochs: 150
    tunning_epochs: 150
    pruning_steps: 300
    ratio: 0.85
    initial_ratio: 0.20
    prune_params_type: conv1x1_only