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Training runner for tensorflow estimator
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import argparse | |
import tensorflow as tf | |
from medium_age_estimation_tutorial.cnn_estimator import model_fn, serving_fn | |
from medium_age_estimation_tutorial.dataset import csv_record_input_fn | |
tf.logging.set_verbosity(tf.logging.INFO) | |
if __name__ == '__main__': | |
parser = argparse.ArgumentParser() | |
parser.add_argument('--img-dir') | |
parser.add_argument('--train-csv') | |
parser.add_argument('--val-csv') | |
parser.add_argument('--model-dir') | |
parser.add_argument('--img-size', type=int, default=160) | |
parser.add_argument('--num-steps', type=int, default=200000) | |
args = parser.parse_args() | |
config = tf.estimator.RunConfig(model_dir=args.model_dir, | |
save_checkpoints_steps=1500, | |
) | |
estimator = tf.estimator.Estimator( | |
model_fn=model_fn, config=config, params={ | |
'learning_rate': 0.0001 | |
}) | |
train_spec = tf.estimator.TrainSpec( | |
input_fn=lambda: csv_record_input_fn(args.img_dir, args.train_csv, args.img_size, shuffle=False), | |
max_steps=args.num_steps, | |
) | |
eval_spec = tf.estimator.EvalSpec( | |
input_fn=lambda: csv_record_input_fn(args.img_dir, args.val_csv, args.img_size, batch_size=1, shuffle=False, | |
random=False), | |
) | |
tf.estimator.train_and_evaluate(estimator, train_spec, eval_spec) | |
estimator.export_savedmodel(export_dir_base='{}/serving'.format(args.model_dir), | |
serving_input_receiver_fn=serving_fn, | |
as_text=True) |
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