# Obtaining abnormal changes in loss and accuracy

**URL:** <https://discuss.pytorch.org/t/obtaining-abnormal-changes-in-loss-and-accuracy/84911>\
**Category:** vision\
**Created:** [June 10, 2020, 1:22pm UTC](https://discuss.pytorch.org/t/obtaining-abnormal-changes-in-loss-and-accuracy/84911 "2020-06-10T13:22:26Z")\
**Posts on this page:** 3\
**Page:** 1

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**Author:** ![Droid786](https://discuss.pytorch.org/letter_avatar_proxy/v4/letter/d/9de053/32.png) [@Droid786](https://discuss.pytorch.org/u/Droid786)\
**Post date:** [June 10, 2020, 1:22pm UTC](https://discuss.pytorch.org/t/obtaining-abnormal-changes-in-loss-and-accuracy/84911/1 "2020-06-10T13:22:26Z")

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I am training a multi-class classification problem.Instead of declining at a steady rate, y loss and accuracy metrics are moving in zig-zag rate. I am not able to figure out the reason behind this behaviour. Can anyone please help me out?

 ![image](https://discuss.pytorch.org/uploads/default/original/3X/4/7/47252703dfeb2062b0a581df5572071657aa82c5.png)

If I keep on running my model for longer epochs, then the same zigzag behaviour is being obtained.

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**Author:** ![Chirath\_Pansilu](https://discuss.pytorch.org/user_avatar/discuss.pytorch.org/chirath_pansilu/32/25075_2.png) [@Chirath\_Pansilu](https://discuss.pytorch.org/u/Chirath_Pansilu)\
**Post date:** [June 10, 2020, 2:19pm UTC](https://discuss.pytorch.org/t/obtaining-abnormal-changes-in-loss-and-accuracy/84911/2 "2020-06-10T14:19:22Z")

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Try lowering your learning rate .  
It will be helpful if you can upload some code snippets

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<div class="post-metadata">

**Author:** ![Droid786](https://discuss.pytorch.org/letter_avatar_proxy/v4/letter/d/9de053/32.png) [@Droid786](https://discuss.pytorch.org/u/Droid786)\
**Post date:** [June 10, 2020, 2:49pm UTC](https://discuss.pytorch.org/t/obtaining-abnormal-changes-in-loss-and-accuracy/84911/3 "2020-06-10T14:49:14Z")

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I did , from 0.1 to 0.0001.  
My code is here - [https://gist.github.com/droid786/4069fe9cb16e909eb09ed087b427fa26](https://gist.github.com/droid786/4069fe9cb16e909eb09ed087b427fa26)