train_hist.add(logs=train_logs, epoch=epoch + 1)
epoch_time_end = time.time()
print(
'Epoch {}:\tAverage Loss: {:.4f}\tAverage Accuracy: {:.3f}\tEpoch Time: {:.3f} hours'
.format(
epoch + 1,
avg_loss_train,
avg_acc_train,
(epoch_time_end - epoch_time_start) / 3600,
))
if lr_scheduler is not None:
lr_scheduler.step(validation_logs['loss'])
if epoch > 0:
ckpter.last_delete_and_save(epoch=epoch,
monitor='acc',
loss_acc=validation_logs)
ckpter_lr.last_delete_and_save(epoch=epoch,
monitor='acc',
loss_acc=validation_logs)
ckpter_auc.last_delete_and_save(epoch=epoch,
monitor='auc',
loss_acc=validation_logs)
ckpter_auc_lr.last_delete_and_save(epoch=epoch,
monitor='auc',
loss_acc=validation_logs)
ckpter.check_on(epoch=epoch, monitor='acc', loss_acc=validation_logs)
ckpter_lr.check_on(epoch=epoch,
monitor='acc',
loss_acc=validation_logs)
train_logs = {
'loss': avg_triplet_loss,
'acc': np.mean(Ptp01),
'loss_all_avg': loss_all_avg,
'acc001': np.mean(Ptp001),
'nonzeros': nonzeros
}
train_hist.add(logs=train_logs, epoch=epoch + 1)
epoch_time_end = time.time()
# --------------------------------------------------------------------------------------
# Save last model parameters and check if it is the best
# --------------------------------------------------------------------------------------
if epoch > 0:
ckpter.last_delete_and_save(epoch=epoch,
monitor='acc',
loss_acc=validation_logs)
ckpter_v2.last_delete_and_save(epoch=epoch,
monitor='acc001',
loss_acc=validation_logs)
if num_triplets:
ckpter.check_on(epoch=epoch,
monitor='acc',
loss_acc=validation_logs)
ckpter_v2.check_on(epoch=epoch,
monitor='acc001',
loss_acc=validation_logs)
print(
'Epoch {}:\tAverage Triplet Loss: {:.3f}\tEpoch Time: {:.3f} hours\tNumber of valid training triplets in epoch: {}'
.format(epoch + 1, avg_triplet_loss,
(epoch_time_end - epoch_time_start) / 3600, num_triplets))