3707838a0d
Added a test for MLIR bridge using TPUStrategy compiling two programs with the same signature but different bodies. PiperOrigin-RevId: 323096104 Change-Id: I2d2cd7033f762a0756b7de2ed44aa411234d8ca9
88 lines
2.9 KiB
Python
88 lines
2.9 KiB
Python
# Copyright 2020 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 TPUStrategy in regards to compiling programs."""
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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.distribute import tpu_strategy as tpu_lib
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from tensorflow.python.distribute.cluster_resolver import tpu_cluster_resolver
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from tensorflow.python.eager import def_function
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from tensorflow.python.eager import remote
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from tensorflow.python.eager import test
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from tensorflow.python.framework import constant_op
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from tensorflow.python.platform import flags
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from tensorflow.python.tpu import tpu_strategy_util
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FLAGS = flags.FLAGS
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flags.DEFINE_string("tpu", "", "Name of TPU to connect to.")
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flags.DEFINE_string("project", None, "Name of GCP project with TPU.")
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flags.DEFINE_string("zone", None, "Name of GCP zone with TPU.")
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def get_tpu_cluster_resolver():
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resolver = tpu_cluster_resolver.TPUClusterResolver(
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tpu=FLAGS.tpu,
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zone=FLAGS.zone,
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project=FLAGS.project,
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)
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return resolver
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def get_tpu_strategy():
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resolver = get_tpu_cluster_resolver()
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remote.connect_to_cluster(resolver)
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tpu_strategy_util.initialize_tpu_system(resolver)
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strategy = tpu_lib.TPUStrategyV2(resolver)
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return strategy
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# TODO(b/158494076): Merge this test back into TPUStrategy tests
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# (tpu_strategy_test) once MLIR bridge is enabled by default.
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class TPUStrategyCompilationTest(test.TestCase):
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def test_functions_compile_same_signature(self):
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"""Tests compiling different functions with the same signature."""
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strategy = get_tpu_strategy()
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@def_function.function
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def return_one():
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def computation():
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return constant_op.constant(1)
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return strategy.run(computation)
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@def_function.function
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def return_two():
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def computation():
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return constant_op.constant(2)
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return strategy.run(computation)
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expected_result_ones = [1 for _ in range(0, strategy.num_replicas_in_sync)]
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self.assertAllEqual(expected_result_ones,
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strategy.experimental_local_results(return_one()))
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expected_result_twos = [2 for _ in range(0, strategy.num_replicas_in_sync)]
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self.assertAllEqual(expected_result_twos,
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strategy.experimental_local_results(return_two()))
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if __name__ == "__main__":
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test.main()
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