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fix batch_norm parameter share #3982

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Merged
merged 3 commits into from
Sep 9, 2017
+11 −1
Merged

fix batch_norm parameter share #3982

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26638e9
fix batch_norm parameter share
chengduoZH Sep 9, 2017
aea05b6
add param mean_var_names
chengduoZH Sep 9, 2017
80a8e91
fix order
chengduoZH Sep 9, 2017
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6 changes: 6 additions & 0 deletions python/paddle/trainer/config_parser.py
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Original file line number Diff line number Diff line change
Expand Up @@ -2368,6 +2368,7 @@ def __init__(self,
use_global_stats=True,
moving_average_fraction=0.9,
batch_norm_type=None,
mean_var_names=None,
**xargs):
if inputs is None:
inputs = []
Expand Down Expand Up @@ -2421,6 +2422,11 @@ def __init__(self,

psize = self.calc_parameter_size(image_conf)
dims = [1, psize]
if mean_var_names is not None:
assert len(mean_var_names) == 2
self.inputs[1].parameter_name = mean_var_names[0]
self.inputs[2].parameter_name = mean_var_names[1]

self.create_input_parameter(0, psize)
self.create_input_parameter(1, psize, dims)
self.create_input_parameter(2, psize, dims)
Expand Down
6 changes: 5 additions & 1 deletion python/paddle/trainer_config_helpers/layers.py
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Original file line number Diff line number Diff line change
Expand Up @@ -2959,7 +2959,8 @@ def batch_norm_layer(input,
layer_attr=None,
batch_norm_type=None,
moving_average_fraction=0.9,
use_global_stats=None):
use_global_stats=None,
mean_var_names=None):
"""
Batch Normalization Layer. The notation of this layer as follow.

Expand Down Expand Up @@ -3026,6 +3027,8 @@ def batch_norm_layer(input,
:math:`runningMean = newMean*(1-factor)
+ runningMean*factor`
:type moving_average_fraction: float.
:param mean_var_names: [mean name, variance name]
:type mean_var_names: string list
:return: LayerOutput object.
:rtype: LayerOutput
"""
Expand All @@ -3047,6 +3050,7 @@ def batch_norm_layer(input,
bias=ParamAttr.to_bias(bias_attr),
moving_average_fraction=moving_average_fraction,
use_global_stats=use_global_stats,
mean_var_names=mean_var_names,
**ExtraLayerAttribute.to_kwargs(layer_attr))

return LayerOutput(
Expand Down