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# Byte-compiled / optimized / DLL files | ||
__pycache__/ | ||
*.py[cod] | ||
*$py.class | ||
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# temp files | ||
*~ | ||
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# C extensions | ||
*.so | ||
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# Distribution / packaging | ||
.Python | ||
docker/environment/ | ||
build/ | ||
develop-eggs/ | ||
dist/ | ||
downloads/ | ||
eggs/ | ||
.eggs/ | ||
lib/ | ||
lib64/ | ||
parts/ | ||
sdist/ | ||
var/ | ||
*.egg-info/ | ||
.installed.cfg | ||
*.egg | ||
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# PyInstaller | ||
# Usually these files are written by a python script from a template | ||
# before PyInstaller builds the exe, so as to inject date/other infos into it. | ||
*.manifest | ||
*.spec | ||
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# Installer logs | ||
pip-log.txt | ||
pip-delete-this-directory.txt | ||
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# Unit test / coverage reports | ||
htmlcov/ | ||
.tox/ | ||
.coverage | ||
.coverage.* | ||
.cache | ||
nosetests.xml | ||
coverage.xml | ||
*,cover | ||
.hypothesis/ | ||
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# Translations | ||
*.mo | ||
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# Mr Developer | ||
.mr.developer.cfg | ||
.pydevproject | ||
.project | ||
.settings/ | ||
.idea/ | ||
.DS_Store | ||
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# fab files | ||
fabsettings.py | ||
fabfile.py | ||
fab_templates/ | ||
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# graphviz files | ||
*_graphviz.png | ||
*_graphviz.dot | ||
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# Sphinx documentation | ||
docs/_build/ | ||
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# PyBuilder | ||
target/ | ||
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# IPython Notebook | ||
.ipynb_checkpoints | ||
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# pyenv | ||
.python-version | ||
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# locals | ||
local.py | ||
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# celery beat schedule file | ||
celerybeat-schedule | ||
celeryev.pid | ||
celeryd*pid | ||
celeryd*log | ||
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# dotenv | ||
.env | ||
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# virtualenv | ||
venv/ | ||
ENV/ | ||
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# data | ||
big_data/ | ||
data/ | ||
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# project | ||
setup.log | ||
static/ | ||
reports/ | ||
logs/ | ||
media/ | ||
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# npm modules and transpiled typescript files | ||
client/dist/ | ||
client/node_modules/ | ||
client/css/ | ||
client/polyaxon/**/*.js | ||
client/polyaxon/**/*.js.map |
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The MIT License (MIT) | ||
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Copyright (c) 2016 Mourad Mourafiq. | ||
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Permission is hereby granted, free of charge, to any person obtaining a copy of | ||
this software and associated documentation files (the "Software"), to deal in | ||
the Software without restriction, including without limitation the rights to | ||
use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of | ||
the Software, and to permit persons to whom the Software is furnished to do so, | ||
subject to the following conditions: | ||
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The above copyright notice and this permission notice shall be included in all | ||
copies or substantial portions of the Software. | ||
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR | ||
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS | ||
FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR | ||
COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER | ||
IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN | ||
CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. |
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# Polyaxon | ||
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Deep Learning library for TensorFlow. |
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from __future__ import absolute_import | ||
from __future__ import division | ||
from __future__ import print_function | ||
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from . import experiments | ||
from . import layers | ||
from . import processing | ||
from .libs import * | ||
from . import activations | ||
from . import initializations | ||
from . import losses | ||
from . import metrics | ||
from . import optimizers | ||
from . import regularizations | ||
from . import variables | ||
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# -*- coding: utf-8 -*- | ||
from __future__ import absolute_import, division, print_function | ||
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import tensorflow as tf | ||
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from polyaxon.libs import getters | ||
from polyaxon.libs.utils import get_name_scope, get_shape, track | ||
from polyaxon.variables import variable | ||
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def built_activation(fct, name, collect): | ||
""" Builds the metric function. | ||
Args: | ||
fct: the activation function to build. | ||
name: operation name. | ||
scope: operation scope. | ||
collect: whether to collect this metric under the metric collection. | ||
""" | ||
def activation(x): | ||
x = fct(x, name=name) | ||
if collect: | ||
track(x, tf.GraphKeys.ACTIVATIONS) | ||
return x | ||
return activation | ||
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def linear(name='Linear', collect=False): | ||
"""Computes linear/identity function.""" | ||
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def _linear(x, name): | ||
with get_name_scope(name=name): | ||
return x | ||
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return built_activation(_linear, name, collect) | ||
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def tanh(name=None, collect=False): | ||
"""Computes hyperbolic tangent of x element-wise.""" | ||
return built_activation(tf.tanh, name, collect) | ||
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def sigmoid(name=None, collect=False): | ||
"""Computes sigmoid of `x` element-wise: `y = 1 / (1 + exp(-x))`.""" | ||
return built_activation(tf.nn.sigmoid, name, collect) | ||
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def softmax(name=None, collect=False): | ||
"""Computes softmax activations. | ||
For each batch `i` and class `j` we have | ||
softmax[i, j] = exp(logits[i, j]) / sum(exp(logits[i])) | ||
""" | ||
return built_activation(tf.nn.softmax, name, collect) | ||
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def softplus(name=None, collect=False): | ||
"""Computes softplus. `log(exp(features) + 1)`.""" | ||
return built_activation(tf.nn.softplus, name, collect) | ||
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def softsign(name=None, collect=False): | ||
"""Computes softsign: `features / (abs(features) + 1)`.""" | ||
return built_activation(tf.nn.softsign, name, collect) | ||
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def relu(name=None, collect=False): | ||
"""Computes ReLU, rectified linear: `max(features, 0)`.""" | ||
return built_activation(tf.nn.relu, name, collect) | ||
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def relu6(name=None, collect=False): | ||
"""Computes Rectified Linear 6: `min(max(features, 0), 6)`.""" | ||
return built_activation(tf.nn.relu6, name, collect) | ||
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def leaky_relu(alpha=0.1, name="LeakyReLU", collect=False): | ||
"""Modified version of ReLU, introducing a nonzero gradient for negative input.""" | ||
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def _leak_relu(x, name): | ||
with get_name_scope(name): | ||
x = tf.nn.relu(features=x) | ||
m_x = tf.nn.relu(features=-x) | ||
x -= alpha * m_x | ||
return x | ||
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return built_activation(_leak_relu, name, collect) | ||
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def prelu(channel_shared=False, weights_init='zeros', restore=True, name="PReLU", scope=None, | ||
collect=False): | ||
"""Parametric Rectified Linear Unit.""" | ||
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def _prelu(x, name): | ||
with get_name_scope(name): | ||
if channel_shared: | ||
w_shape = (1,) | ||
else: | ||
w_shape = get_shape(x)[-1:] | ||
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W_init = getters.get_initializer(weights_init) | ||
alphas = variable(shape=w_shape, initializer=W_init, restore=restore, name="alphas") | ||
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x = tf.nn.relu(features=x) + tf.multiply(x=alphas, y=(x - tf.abs(x))) * 0.5 | ||
x.alphas = alphas | ||
return x | ||
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return built_activation(_prelu, name, collect) | ||
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def elu(name=None, collect=False): | ||
"""Computes Exponential Linear Unit.""" | ||
return built_activation(tf.nn.elu, name, collect) | ||
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def crelu(name='CRelu', collect=False): | ||
"""Computes Concatenated ReLU.""" | ||
return built_activation(tf.nn.crelu, name, collect) | ||
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ACTIVATIONS = { | ||
'linear': linear, | ||
'tanh': tanh, | ||
'sigmoid': sigmoid, | ||
'softmax': softmax, | ||
'softplus': softplus, | ||
'softsign': softsign, | ||
'relu': relu, | ||
'relu6': relu6, | ||
'leaky_relu': leaky_relu, | ||
'elu': elu, | ||
'crelu': crelu | ||
} |
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import tensorflow as tf | ||
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def tf_template(name_): | ||
"""This decorator wraps a method with `tf.make_template`. For example, | ||
Examples: | ||
```python | ||
>>> @tf_template | ||
... my_method(): | ||
... # Creates variables | ||
``` | ||
""" | ||
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def template_decorator(func): | ||
"""Inner decorator function""" | ||
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def func_wrapper(*args, **kwargs): | ||
"""Inner wrapper function""" | ||
templated_func = tf.make_template(name_, func) | ||
return templated_func(*args, **kwargs) | ||
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return func_wrapper | ||
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return template_decorator |
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import tensorflow as tf | ||
import polyaxon as plx | ||
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from polyaxon.examples.mnist_data import load_mnist | ||
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def create_experiment_json_fn(output_dir): | ||
X_train, Y_train, X_test, Y_test = load_mnist() | ||
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config = { | ||
'name': 'real_mnsit', | ||
'output_dir': output_dir, | ||
'eval_every_n_steps': 5, | ||
'run_config': {'save_checkpoints_steps': 100}, | ||
'train_input_data_config': { | ||
'input_type': plx.configs.InputDataConfig.NUMPY, | ||
'pipeline_config': {'name': 'train', 'batch_size': 64, 'num_epochs': 5, | ||
'shuffle': True}, | ||
'x': X_train, | ||
'y': Y_train | ||
}, | ||
'eval_input_data_config': { | ||
'input_type': plx.configs.InputDataConfig.NUMPY, | ||
'pipeline_config': {'name': 'eval', 'batch_size': 32, 'num_epochs': 1, | ||
'shuffle': False}, | ||
'x': X_test, | ||
'y': Y_test | ||
}, | ||
'estimator_config': {'output_dir': output_dir}, | ||
'model_config': { | ||
'model_type': 'classifier', | ||
'loss_config': {'name': 'sigmoid_cross_entropy'}, | ||
'eval_metrics_config': [{'name': 'streaming_accuracy'}], | ||
'optimizer_config': {'name': 'Adam', 'learning_rate': 0.01}, | ||
'graph_config': { | ||
'name': 'mnist', | ||
'definition': [ | ||
(plx.layers.Conv2d, | ||
{'num_filter': 32, 'filter_size': 3, 'strides': 1, 'activation': 'elu', | ||
'regularizer': 'l2_regularizer'}), | ||
(plx.layers.MaxPool2d, {'kernel_size': 2}), | ||
(plx.layers.LocalResponseNormalization, {}), | ||
(plx.layers.Conv2d, {'num_filter': 64, 'filter_size': 3, 'activation': 'relu', | ||
'regularizer': 'l2_regularizer'}), | ||
(plx.layers.MaxPool2d, {'kernel_size': 2}), | ||
(plx.layers.LocalResponseNormalization, {}), | ||
(plx.layers.FullyConnected, {'n_units': 128, 'activation': 'tanh'}), | ||
(plx.layers.Dropout, {'keep_prob': 0.8}), | ||
(plx.layers.FullyConnected, {'n_units': 256, 'activation': 'tanh'}), | ||
(plx.layers.Dropout, {'keep_prob': 0.8}), | ||
(plx.layers.FullyConnected, {'n_units': 10}), | ||
] | ||
} | ||
} | ||
} | ||
experiement_config = plx.experiments.ExperimentConfig.read_configs(config) | ||
return plx.experiments.create_experiment(experiement_config) | ||
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def main(*args): | ||
plx.experiments.run_experiment(experiment_fn=create_experiment_json_fn, | ||
output_dir="/tmp/polyaxon_logs/alexnet", | ||
schedule='continuous_train_and_eval') | ||
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if __name__ == "__main__": | ||
tf.logging.set_verbosity(tf.logging.INFO) | ||
tf.app.run() |
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