[GitHub] rahul003 edited a comment on issue #11234: [MXNET-535] Fix bugs in LR Schedulers and add warmup

[GitBox <gi...@apache.org>]

rahul003 edited a comment on issue #11234: [MXNET-535] Fix bugs in LR Schedulers and add warmup
URL: https://github.com/apache/incubator-mxnet/pull/11234#issuecomment-413998969
 
 
   Hopefully this will give committers confidence to merge
   
   ## Interfaces
   ### CosineScheduler
   ```
   def __init__(self, max_update, base_lr=0.01, final_lr=0,
                    warmup_steps=0, warmup_begin_lr=0, warmup_mode='linear'):
   ```
   
   ### PolyScheduler
   #### This PR
   ```
   def __init__(self, max_update, base_lr=0.01, pwr=2, final_lr=0,
                    warmup_steps=0, warmup_begin_lr=0, warmup_mode='linear'):
   ```
   #### Earlier
   ```
   def __init__(self, max_update, base_lr=0.01, pwr=2):
   ```
   
   ### MultiFactorScheduler
   #### This PR
   ```
   def __init__(self, step, factor=1, base_lr=0.01, warmup_steps=0, warmup_begin_lr=0,
                    warmup_mode='linear'):
   ```
   #### Earlier
   ```
   def __init__(self, step, factor=1):
   ```
   
   ### FactorScheduler
   #### This PR
   ```
   def __init__(self, step, factor=1, stop_factor_lr=1e-8, base_lr=0.01,
                    warmup_steps=0, warmup_begin_lr=0, warmup_mode='linear'):
   ```
   #### Earlier
   ```
   def __init__(self, step, factor=1, stop_factor_lr=1e-8):
   ```
   
   ### Scheduler
   #### This PR
   ```
   def __init__(self, base_lr=0.01,
                    warmup_steps=0, warmup_begin_lr=0, warmup_mode='linear'):
   ```
   #### Earlier
   ```
   def __init__(self, base_lr=0.01):
   ```
   
   
   ## Plots of LR decay from unit tests
   ![](https://i.imgur.com/LoJaUYu.png)
   ![](https://i.imgur.com/rScCki5.png)

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