Question about the performances about torchseg HOT 7 OPEN

@chenxiaoyu523 Yes. In the speed experiments, we use the low-scale labels for the fast inference speed, which is mentioned in our paper.

Hi @ycszen! Did you mean you used labels at 1/8 scale to calculate mIoU?
Also could you please kindly point out where did you mention this in your paper?
Thank you very much!

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@lxtGH Based on the setting and pre-trained model, you can reproduce the performance. Now, because our repo contains both distributed-training method and non-distributed-training method, the setting may be a little confused. I will abandon the non-distributed-training method and give a pure distributed training setting for reproduction and make the pre-trained models available in the next version.

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The same question. How to reproduce your results using resent18 (78 mIoU).

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@chenxiaoyu523 Yes. In the speed experiments, we use the low-scale labels for the fast inference speed, which is mentioned in our paper.

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@chenxiaoyu523 Can you please provide details about the settings used to reproduce the 74 miou result on cityscapes with bisenet.r18.speed?

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@cpapaionn i guess you changed the batch_size in config.py. i tested the code on different settings of batch_size and get miou 68 on batch_size 4, 72 on 8 and 74.8 on 16. If you have only one display card, you can try this: https://discuss.pytorch.org/t/how-to-implement-accumulated-gradient-in-pytorch-i-e-iter-size-in-caffe-prototxt/2522

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@chenxiaoyu523 yes I did change the batch size to 4 as I only used a single gpu, I 'll try this, thank you very much!!

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