What is global_step ? why do we use '0' while setting up global_step?
def training(loss,learning_rate):
tf.summary.scalar('loss',loss)
optimizer = tf.train.GradientDescentOptimizer(learning_rate)
# Why 0 as the first parameter of the global_step tf.Variable?
global_step = tf.Variable(0, name='global_step',trainable=False)
train_op = optimizer.minimize(loss, global_step=global_step)
return train_op
does increment by one after update of variable means that global_step becomes 1?
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