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is it reasonable that always getting a same value of loss_uncertainty_cls_pos and loss_uncertainty_cls_neg? #8

@LiYang-npu

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@LiYang-npu

the log is here:
2020-11-11 06:42:56,826 - mmdet - INFO - Epoch [6][3350/3665] lr: 4.000e-02, eta: 11:31:38, time: 1.810, data_time: 0.026, memory: 20785, loss_rpn_cls: 0.0379, loss_rpn_bbox: 0.0113, loss_cls: 1.0091, acc: 93.3837, loss_bbox: 0.5022, pos_cls_loose_value: 1.3419, neg_cls_loose_value: 0.0666, reg_loose_value: 1.9344, loss_uncertainty_cls_pos: -0.7925, loss_uncertainty_cls_neg: -0.7925, loss_uncertainty_reg: -0.4275, cls_prediction_pos: 4.8825, cls_prediction_neg: 4.8825, cls_prediction_reg: 2.3524, loss: -0.4520
2020-11-11 06:44:27,867 - mmdet - INFO - Epoch [6][3400/3665] lr: 4.000e-02, eta: 11:30:03, time: 1.821, data_time: 0.026, memory: 20785, loss_rpn_cls: 0.0418, loss_rpn_bbox: 0.0116, loss_cls: 0.9842, acc: 93.6283, loss_bbox: 0.4954, pos_cls_loose_value: 1.2996, neg_cls_loose_value: 0.0640, reg_loose_value: 1.9273, loss_uncertainty_cls_pos: -0.8042, loss_uncertainty_cls_neg: -0.8042, loss_uncertainty_reg: -0.4299, cls_prediction_pos: 5.0299, cls_prediction_neg: 5.0299, cls_prediction_reg: 2.3665, loss: -0.5053
2020-11-11 06:45:59,526 - mmdet - INFO - Epoch [6][3450/3665] lr: 4.000e-02, eta: 11:28:28, time: 1.833, data_time: 0.025, memory: 20785, loss_rpn_cls: 0.0418, loss_rpn_bbox: 0.0120, loss_cls: 1.0140, acc: 93.5558, loss_bbox: 0.5073, pos_cls_loose_value: 1.2784, neg_cls_loose_value: 0.0656, reg_loose_value: 1.9076, loss_uncertainty_cls_pos: -0.8118, loss_uncertainty_cls_neg: -0.8118, loss_uncertainty_reg: -0.4317, cls_prediction_pos: 5.0930, cls_prediction_neg: 5.0930, cls_prediction_reg: 2.3718, loss: -0.4802
2020-11-11 06:47:30,815 - mmdet - INFO - Epoch [6][3500/3665] lr: 4.000e-02, eta: 11:26:54, time: 1.826, data_time: 0.025, memory: 20785, loss_rpn_cls: 0.0394, loss_rpn_bbox: 0.0119, loss_cls: 0.9792, acc: 93.4617, loss_bbox: 0.4894, pos_cls_loose_value: 1.2564, neg_cls_loose_value: 0.0670, reg_loose_value: 1.8998, loss_uncertainty_cls_pos: -0.7929, loss_uncertainty_cls_neg: -0.7929, loss_uncertainty_reg: -0.4152, cls_prediction_pos: 4.8927, cls_prediction_neg: 4.8927, cls_prediction_reg: 2.2954, loss: -0.4812
2020-11-11 06:49:01,678 - mmdet - INFO - Epoch [6][3550/3665] lr: 4.000e-02, eta: 11:25:18, time: 1.817, data_time: 0.025, memory: 20785, loss_rpn_cls: 0.0397, loss_rpn_bbox: 0.0119, loss_cls: 1.0308, acc: 93.4921, loss_bbox: 0.5096, pos_cls_loose_value: 1.2247, neg_cls_loose_value: 0.0668, reg_loose_value: 1.9147, loss_uncertainty_cls_pos: -0.8263, loss_uncertainty_cls_neg: -0.8263, loss_uncertainty_reg: -0.4322, cls_prediction_pos: 5.2650, cls_prediction_neg: 5.2650, cls_prediction_reg: 2.3766, loss: -0.4927
2020-11-11 06:50:32,187 - mmdet - INFO - Epoch [6][3600/3665] lr: 4.000e-02, eta: 11:23:43, time: 1.810, data_time: 0.026, memory: 20785, loss_rpn_cls: 0.0378, loss_rpn_bbox: 0.0105, loss_cls: 0.9767, acc: 93.6067, loss_bbox: 0.4905, pos_cls_loose_value: 1.2766, neg_cls_loose_value: 0.0653, reg_loose_value: 1.9209, loss_uncertainty_cls_pos: -0.7998, loss_uncertainty_cls_neg: -0.7998, loss_uncertainty_reg: -0.4232, cls_prediction_pos: 4.9700, cls_prediction_neg: 4.9700, cls_prediction_reg: 2.3326, loss: -0.5075
2020-11-11 06:52:04,280 - mmdet - INFO - Epoch [6][3650/3665] lr: 4.000e-02, eta: 11:22:09, time: 1.842, data_time: 0.026, memory: 20785, loss_rpn_cls: 0.0380, loss_rpn_bbox: 0.0110, loss_cls: 1.0279, acc: 93.7318, loss_bbox: 0.4965, pos_cls_loose_value: 1.2622, neg_cls_loose_value: 0.0633, reg_loose_value: 1.9001, loss_uncertainty_cls_pos: -0.8366, loss_uncertainty_cls_neg: -0.8366, loss_uncertainty_reg: -0.4440, cls_prediction_pos: 5.3850, cls_prediction_neg: 5.3850, cls_prediction_reg: 2.4359, loss: -0.5438

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