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From barry-jin <>
Subject [apache/incubator-mxnet] [RFC] Turn Off CuDNN When Training PSPNet (#19056)
Date Tue, 01 Sep 2020 00:03:52 GMT
## Error when training PSPNet on Cityscapes dataset using GluonCV #17439

### Problem Description
The problem is when I train a PSPNet using GluonCV semantic segmentation library on the Cityscapes
dataset, the training will stuck (hang) right after it started. 

### Debugging
After bisect the date of failure, I find the first bad commit is [PR 13896](,
which introduced this problem. 

## Proposed solutions
Turn off CuDNN by setting `cudnn_off` to `True` in [Dropout](

## References
- list reference and related literature 
[Issue #17439](, [PR #13896](
- list known implementations

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