Exemplo n.º 1
0
 def _testFullyConnectedKroneckerFactorInit(self, has_bias, final_shape):
     with tf_ops.Graph().as_default():
         random_seed.set_random_seed(200)
         tensor = array_ops.ones((2, 3), name='a/b/c')
         factor = ff.FullyConnectedKroneckerFactor((tensor, ),
                                                   has_bias=has_bias)
         self.assertEqual(final_shape,
                          factor.get_cov().get_shape().as_list())
Exemplo n.º 2
0
  def testMakeCovarianceUpdateOpNoBias(self):
    with tf_ops.Graph().as_default(), self.test_session() as sess:
      random_seed.set_random_seed(200)
      tensor = array_ops.constant([[1., 2.], [3., 4.]], name='a/b/c')
      factor = ff.FullyConnectedKroneckerFactor((tensor,))

      sess.run(tf_variables.global_variables_initializer())
      new_cov = sess.run(factor.make_covariance_update_op(.5))
      self.assertAllClose([[3, 3.5], [3.5, 5.5]], new_cov)
Exemplo n.º 3
0
 def _testFullyConnectedKroneckerFactorInit(self,
                                            has_bias,
                                            final_shape,
                                            dtype=dtypes.float32_ref):
   with tf_ops.Graph().as_default():
     random_seed.set_random_seed(200)
     tensor = array_ops.ones((2, 3), dtype=dtype, name='a/b/c')
     factor = ff.FullyConnectedKroneckerFactor(((tensor,),), has_bias=has_bias)
     factor.instantiate_cov_variables()
     cov = factor.get_cov()
     self.assertEqual(cov.dtype, dtype)
     self.assertEqual(final_shape, cov.get_shape().as_list())