Model save

Training in progress, step 2500, checkpoint

Training in progress, step 2500

Training in progress, step 2000, checkpoint

Training in progress, step 2000

Training in progress, step 1500, checkpoint

Training in progress, step 1500

Training in progress, step 1000, checkpoint

Training in progress, step 1000

Training in progress, step 500, checkpoint

Training in progress, step 500

initial commit