86 lines
3.1 KiB
Python
86 lines
3.1 KiB
Python
# Copyright 2017 The TensorFlow Authors. All Rights Reserved.
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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# =============================================================================
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"""Tests for bfloat16 helper."""
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from __future__ import absolute_import
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from __future__ import division
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from __future__ import print_function
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from tensorflow.python.framework import dtypes
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from tensorflow.python.framework import test_util
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from tensorflow.python.ops import variable_scope
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from tensorflow.python.platform import test
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from tensorflow.python.tpu import bfloat16
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from tensorflow.python.framework import ops
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from tensorflow.python.ops import math_ops
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from tensorflow.python.ops import variables
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class BFloat16ScopeTest(test.TestCase):
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def testDefaultScopeName(self):
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"""Test if name for the variable scope is propagated correctly."""
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with bfloat16.bfloat16_scope() as bf:
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self.assertEqual(bf.name, "")
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def testCustomScopeName(self):
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"""Test if custom name for the variable scope is propagated correctly."""
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name = 'bfloat16'
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with bfloat16.bfloat16_scope('bfloat16') as bf:
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self.assertEqual(bf.name, name)
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def testVariableName(self):
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"""Test if custom name for the variable scope is propagated correctly."""
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g = ops.Graph()
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with g.as_default():
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a = variables.Variable(2.2, name='var_a')
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b = variables.Variable(3.3, name='var_b')
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d = variables.Variable(4.4, name='var_b')
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with g.name_scope('scope1'):
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with bfloat16.bfloat16_scope('bf16'):
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a = math_ops.cast(a, dtypes.bfloat16)
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b = math_ops.cast(b, dtypes.bfloat16)
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c = math_ops.add(a, b, name='addition')
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with bfloat16.bfloat16_scope():
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d = math_ops.cast(d, dtypes.bfloat16)
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math_ops.add(c, d, name='addition')
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g_ops = g.get_operations()
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ops_name = []
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for op in g_ops:
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ops_name.append(str(op.name))
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self.assertIn('scope1/bf16/addition', ops_name)
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self.assertIn('scope1/bf16/Cast', ops_name)
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self.assertIn('scope1/addition', ops_name)
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self.assertIn('scope1/Cast', ops_name)
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@test_util.run_deprecated_v1
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def testRequestedDType(self):
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"""Test if requested dtype is honored in the getter.
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"""
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with bfloat16.bfloat16_scope() as scope:
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v1 = variable_scope.get_variable("v1", [])
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self.assertEqual(v1.dtype.base_dtype, dtypes.float32)
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v2 = variable_scope.get_variable("v2", [], dtype=dtypes.bfloat16)
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self.assertEqual(v2.dtype.base_dtype, dtypes.bfloat16)
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self.assertEqual([dtypes.float32, dtypes.float32],
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[v.dtype.base_dtype for v in scope.global_variables()])
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if __name__ == "__main__":
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test.main()
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