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March 19, 2017 06:07
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create, save, destroy, load
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import tensorflow as tf | |
# save | |
dummy = tf.Variable(tf.truncated_normal(shape=[10]), name='dummy') | |
with tf.Session() as sess: | |
saver = tf.train.Saver() | |
sess.run(tf.global_variables_initializer()) | |
expected = sess.run(tf.reduce_sum(dummy)) | |
saver.save(sess, 'model') | |
# destroy | |
tf.reset_default_graph() | |
# read Graph + Checkpoint | |
with tf.Session() as sess: | |
loader = tf.train.import_meta_graph('model.meta') | |
loader.restore(sess, tf.train.latest_checkpoint('.')) | |
dummy = tf.get_default_graph().get_tensor_by_name("dummy:0") | |
actual = sess.run(tf.reduce_sum(dummy)) | |
assert expected == actual | |
# destroy | |
tf.reset_default_graph() | |
# read Checkpoint | |
with tf.Session() as sess: | |
dummy = tf.Variable(tf.truncated_normal(shape=[10]), name='dummy') | |
sess.run(tf.global_variables_initializer()) | |
actual = sess.run(tf.reduce_sum(dummy)) | |
assert expected != actual | |
loader = tf.train.Saver() | |
loader.restore(sess, tf.train.latest_checkpoint('.')) | |
actual = sess.run(tf.reduce_sum(dummy)) | |
assert expected == actual |
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