Exemplo n.º 1
0
class Task(taskplan.Task):
    def __init__(self, config, logger, metadata):
        super(Task, self).__init__(config, logger, metadata)
        self.sum = 0

        self.model = Model(config.get_with_prefix("model"))
        self.data = Data(config.get_with_prefix("data"))
        self.trainer = Trainer(config.get_with_prefix("trainer"), self.model,
                               self.data)
        self.best_val_acc = 0
        self.number_worse_iterations = 0

    def save(self, path):
        self.model.save_weights(str(path / "model.h5py"))
        pickle.dump(self.best_val_acc, open(str(path / "best_model.pkl"),
                                            "wb"))

    def step(self, tensorboard_writer, current_iteration):
        with tensorboard_writer.as_default():
            val_acc = self.trainer.step(current_iteration)
            if val_acc is not None:
                if val_acc > self.best_val_acc:
                    self.best_val_acc = val_acc
                    self.model.save_weights(str(self.task_dir / "model.h5py"))
                    self.number_worse_iterations = 0
                else:
                    self.number_worse_iterations += 1

                if self.number_worse_iterations > 5:
                    self.pause_computation = True

                tf.summary.scalar('val/best_acc',
                                  self.best_val_acc,
                                  step=current_iteration)

    def load(self, path):
        self.model.load_weights(str(path / "model.h5py"))
        self.best_val_acc = pickle.load(
            open(str(path / "best_model.pkl"), "rb"))
Exemplo n.º 2
0
from src.Data import Data
import tensorflow as tf
import argparse

parser = argparse.ArgumentParser(description='Process some integers.')
parser.add_argument('task_path')
args = parser.parse_args()

api = taskplan.Api()
task = api.load_task(args.task_path)

config = task.config
path = task.build_save_dir()

model = Model(config.get_with_prefix("model"))
model.load_weights(str(path / Path("model.h5py")))

data = Data(config.get_with_prefix("data"))

acc = tf.keras.metrics.SparseCategoricalAccuracy()
for data in data.build_test_dataset():
    images, labels = data

    pred = model(images)

    acc(labels, pred)

print("Acc: " + str(acc.result()))

tensorboard_writer = tf.summary.create_file_writer(str(path))
with tensorboard_writer.as_default():