CynthiaProtector opened a new issue #14917: Changing the learning rate affect the accuracy URL: https://github.com/apache/incubator-mxnet/issues/14917 ## Description During the training process, I tried to change the learning rate to 0.0 after 200 steps, and I found that the accuracy experiences a dropoff. Why is that? The following figure shows the training process of Lenet with the MNIST dataset. I use one server and one worker (two different nodes), and the worker contains 2 GPUs. I start the training task with the following command: `python ../../tools/launch.py -s 1 -n 1 --launcher ssh -H hosts python train_mnist.py --network lenet --kv-store dist_sync --gpus 0,1` 
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