step,epoch,epoch_step,loss,learn_rate 500,166,1,0.1440395,0.002 1000,333,0,0.0472855,0.001 1500,499,2,0.0760448,0.001 2000,666,1,0.1441164,0.001 2500,833,0,0.0445300,0.001 3000,999,2,0.1543874,0.001