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77 lines
2.4 KiB
Python
77 lines
2.4 KiB
Python
# Copyright 2019 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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from absl.testing import absltest
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from jax.lib import xla_client
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import jax.numpy as jnp
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from jax.tools.jax_to_hlo import jax_to_hlo
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from jax import test_util as jtu
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class JaxToHloTest(absltest.TestCase):
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def test_convert_axpy(self):
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def axpy(a, x, y):
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return a * x + y[:, jnp.newaxis]
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hlo_proto, hlo_text = jax_to_hlo(
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axpy, [
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('y', xla_client.Shape('f32[128]')),
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('a', xla_client.Shape('f32[]')),
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('x', xla_client.Shape('f32[128,2]')),
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])
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# Check that hlo_text contains a broadcast, add, and multiply.
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self.assertIn('broadcast', hlo_text)
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self.assertIn('add', hlo_text)
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self.assertIn('multiply', hlo_text)
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# Check that the HLO parameters are in the order we specified in the
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# jax_to_hlo call.
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self.assertIn('f32[128]{0} parameter(0)', hlo_text)
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self.assertIn('f32[] parameter(1)', hlo_text)
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self.assertIn('f32[128,2]{1,0} parameter(2)', hlo_text)
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# Check that the parameters are in the expected order.
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# TODO(jlebar): Ideally we'd check that hlo_proto can be deserialized to a
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# valid HLO proto, but we don't seem to have access to hlo_pb2 at the
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# moment, so the best we seem to be able to do is check that it's nonempty.
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assert hlo_proto
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def test_convert_with_constants(self):
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def fn(a, b, x, y):
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return a / b * x + y
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_, hlo_text = jax_to_hlo(
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fn,
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input_shapes=[
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('x', xla_client.Shape('f32[128]')),
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('y', xla_client.Shape('f32[128]')),
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],
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constants={
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'a': 123456,
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'b': 4,
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})
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# Because we passed `a` and `b` as constants, they get constant-folded away
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# by Python/JAX to a/b = 30864.
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self.assertIn('constant(30864)', hlo_text)
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self.assertNotIn('123456', hlo_text)
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if __name__ == '__main__':
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absltest.main(testLoader=jtu.JaxTestLoader())
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