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81 lines
2.5 KiB
Python
81 lines
2.5 KiB
Python
# Copyright 2023 The JAX Authors.
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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 functools import partial
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import glob
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import logging
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import math
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import os
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import tempfile
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import unittest
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from absl.testing import absltest
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import jax
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from jax import config
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from jax._src import test_util as jtu
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from jax.sharding import NamedSharding
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from jax.experimental import profiler as exp_profiler
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import jax.numpy as jnp
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from jax.sharding import PartitionSpec as P
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import numpy as np
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config.parse_flags_with_absl()
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@jtu.pytest_mark_if_available('multiaccelerator')
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class PgleTest(jtu.JaxTestCase):
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def testPassingFDOProfile(self):
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# TODO(jieying): remove after 01/10/2023.
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if not jtu.pjrt_c_api_version_at_least(0, 34):
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raise unittest.SkipTest(
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'Profiler is not supported on PJRT C API version < 0.34.'
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)
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mesh = jtu.create_global_mesh((2,), ('x',))
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@partial(
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jax.jit,
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in_shardings=NamedSharding(mesh, P('x',)),
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out_shardings=NamedSharding(mesh, P('x',)),
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)
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def f(x, y):
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z = x @ y
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return z @ y
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shape = (8, 8)
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x = jnp.arange(math.prod(shape)).reshape(shape).astype(np.float32)
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y = x + 1
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f_lowered = f.lower(x, y)
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compiled = f_lowered.compile()
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with tempfile.TemporaryDirectory() as tmpdir:
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jax.profiler.start_trace(tmpdir)
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compiled(x, y)
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jax.profiler.stop_trace()
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directories = glob.glob(os.path.join(tmpdir, 'plugins/profile/**/'))
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directories = [d for d in directories if os.path.isdir(d)]
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rundir = directories[-1]
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logging.info('rundir: %s', rundir)
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fdo_profile = exp_profiler.get_profiled_instructions_proto(rundir)
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if jtu.test_device_matches(['gpu']) and jtu.is_device_cuda():
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self.assertIn(b'custom', fdo_profile)
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logging.info('fdo_profile: %s', fdo_profile)
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# Test pass fdo_profile as compiler_options API works.
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f_lowered.compile(compiler_options={'fdo_profile': fdo_profile})
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if __name__ == '__main__':
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absltest.main(testLoader=jtu.JaxTestLoader())
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