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78 lines
1.8 KiB
Python
78 lines
1.8 KiB
Python
# Copyright 2021 Google LLC
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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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# https://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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"""Tests for interoperability between JAX and pickling libraries."""
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import pickle
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import unittest
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from absl.testing import absltest
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try:
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import cloudpickle
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except ImportError:
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cloudpickle = None
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import jax
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from jax import numpy as jnp
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from jax.config import config
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from jax._src import test_util as jtu
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import jax._src.lib
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config.parse_flags_with_absl()
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class CloudpickleTest(jtu.JaxTestCase):
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@unittest.skipIf(cloudpickle is None, "Requires cloudpickle")
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def testPickleOfJittedFunctions(self):
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@jax.jit
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def f(x, y):
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return x * y
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@jax.jit
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def g(z):
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return f(z, z + 77) # noqa: F821
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expected = g(32)
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s = cloudpickle.dumps(g)
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del f, g
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g_unpickled = pickle.loads(s)
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actual = g_unpickled(32)
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self.assertEqual(expected, actual)
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@unittest.skipIf(cloudpickle is None, "Requires cloudpickle")
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def testPickleOfPmappedFunctions(self):
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@jax.pmap
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def f(x, y):
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return x * y
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@jax.pmap
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def g(z):
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return f(z, z + 77) # noqa: F821
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expected = g(jnp.asarray([[32]]))
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s = cloudpickle.dumps(g)
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del f, g
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g_unpickled = pickle.loads(s)
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actual = g_unpickled(jnp.asarray([[32]]))
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self.assertEqual(expected, actual)
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if __name__ == "__main__":
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absltest.main(testLoader=jtu.JaxTestLoader())
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