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Added init_seed parameter in Functional make initialized weights and training results reproducible #57

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Added init_seed parameter in Functional make initialized weights and training results reproducible #57

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7 changes: 6 additions & 1 deletion sciann/functionals/functional.py
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Original file line number Diff line number Diff line change
Expand Up @@ -57,6 +57,9 @@
trainable: Boolean.
False if network is not trainable, True otherwise.
Default value is True.
init_seed: int.
To make weights initialization reproducible.
Default value is True.

# Raises
ValueError:
Expand All @@ -74,6 +77,7 @@ def Functional(
kernel_regularizer=None,
bias_regularizer=None,
trainable=True,
init_seed=None,
**kwargs):
# prepare hidden layers.
if hidden_layers is None:
Expand All @@ -85,7 +89,8 @@ def Functional(
# prepare kernel initializers.
activations, def_biasinit, def_kerinit = \
prepare_default_activations_and_initializers(
len(hidden_layers) * [activation] + [output_activation]
len(hidden_layers) * [activation] + [output_activation],
seed=init_seed
)
if kernel_initializer is None:
kernel_initializer = def_kerinit
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2 changes: 2 additions & 0 deletions sciann/utils/utilities.py
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Original file line number Diff line number Diff line change
Expand Up @@ -6,6 +6,7 @@
from __future__ import print_function

import os
import random
import numpy as np
from numpy import pi

Expand Down Expand Up @@ -49,6 +50,7 @@ def set_random_seed(val=1234):
val: A seed value..

"""
random.seed(val)
np.random.seed(val)
if _is_tf_1():
tf.set_random_seed(val)
Expand Down