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Set _scale in Trainer using Optimizer rescale_grad #14593

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Apr 3, 2019
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Set _scale in Trainer using Optimizer rescale_grad #14593

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4 changes: 2 additions & 2 deletions python/mxnet/gluon/trainer.py
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Original file line number Diff line number Diff line change
Expand Up @@ -95,10 +95,10 @@ def __init__(self, params, optimizer, optimizer_params=None, kvstore='device',
if param._grad_stype != 'default':
self._contains_sparse_grad = True
self._compression_params = compression_params
optimizer_params = optimizer_params if optimizer_params else {}
self._scale = float(optimizer_params.get('rescale_grad', 1.0))
self._contexts = self._check_contexts()
optimizer_params = optimizer_params if optimizer_params else {}
self._init_optimizer(optimizer, optimizer_params)
self._scale = self._optimizer.rescale_grad
self._kvstore_params = {'kvstore': kvstore, 'update_on_kvstore': update_on_kvstore}
self._kv_initialized = False
self._kvstore = None
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