tensorflow 1.15 KL loss 代码

from tensorflow.python.keras.utils import losses_utils

kl = tf.keras.losses.KLDivergence(
  reduction = losses_utils.ReductionV2.NONE, 
  name = 'kullback_leibler_divergence')
 
kl_loss = tf.reduce_mean(kl(logit1, logit2))