mirror of
https://github.com/ROCm/jax.git
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150 lines
4.2 KiB
Python
150 lines
4.2 KiB
Python
# Copyright 2020 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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import re
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import traceback
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import unittest
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from absl.testing import absltest
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from jax import grad, jit, vmap
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import jax.numpy as jnp
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from jax import test_util as jtu
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from jax import traceback_util
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from jax.config import config
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config.parse_flags_with_absl()
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FLAGS = config.FLAGS
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def get_exception(etype, f):
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try:
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f()
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except etype as e:
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return e
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assert False
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def check_filtered_stack_trace(test, etype, f, frame_patterns=[]):
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test.assertRaises(etype, f)
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e = get_exception(etype, f)
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c = traceback_util.last_cause(e)
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test.assertIsInstance(c, traceback_util.FilteredStackTrace)
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c_tb = traceback.format_tb(c.__traceback__)
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if frame_patterns:
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for (fname_pat, line_pat), frame_fmt in zip(
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reversed(frame_patterns), reversed(c_tb)):
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fname_pat = re.escape(fname_pat)
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line_pat = re.escape(line_pat)
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full_pat = (
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f' File "{__file__}", line ' r'[0-9]+'
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f', in {fname_pat}' r'\n\s*' f'{line_pat}')
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test.assertRegex(frame_fmt, full_pat)
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class FilteredTracebackTest(jtu.JaxTestCase):
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def test_nested_jit(self):
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if not traceback_util.filtered_tracebacks_supported():
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raise unittest.SkipTest('Filtered tracebacks not supported')
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@jit
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def innermost(x):
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assert False
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@jit
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def inbetween(x):
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return 1 + innermost(x)
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@jit
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def outermost(x):
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return 2 + inbetween(x)
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f = lambda: outermost(jnp.array([1, 2]))
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check_filtered_stack_trace(self, AssertionError, f, [
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('<lambda>', 'f = lambda: outermost'),
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('outermost', 'return 2 + inbetween(x)'),
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('inbetween', 'return 1 + innermost(x)'),
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('innermost', 'assert False')])
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def test_nested_jit_and_vmap(self):
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if not traceback_util.filtered_tracebacks_supported():
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raise unittest.SkipTest('Filtered tracebacks not supported')
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@jit
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def innermost(x):
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assert False
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@jit
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def inbetween(x):
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return 1 + vmap(innermost)(x)
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@jit
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def outermost(x):
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return 2 + inbetween(x)
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f = lambda: outermost(jnp.array([1, 2]))
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check_filtered_stack_trace(self, AssertionError, f, [
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('<lambda>', 'f = lambda: outermost'),
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('outermost', 'return 2 + inbetween(x)'),
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('inbetween', 'return 1 + vmap(innermost)(x)'),
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('innermost', 'assert False')])
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def test_nested_jit_and_grad(self):
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if not traceback_util.filtered_tracebacks_supported():
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raise unittest.SkipTest('Filtered tracebacks not supported')
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@jit
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def innermost(x):
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assert False
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@jit
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def inbetween(x):
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return 1 + grad(innermost)(x)
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@jit
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def outermost(x):
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return 2 + inbetween(x)
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f = lambda: outermost(jnp.array([1, 2]))
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check_filtered_stack_trace(self, TypeError, f, [
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('<lambda>', 'f = lambda: outermost'),
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('outermost', 'return 2 + inbetween(x)'),
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('inbetween', 'return 1 + grad(innermost)(x)')])
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def test_cause_chain(self):
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if not traceback_util.filtered_tracebacks_supported():
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raise unittest.SkipTest('Filtered tracebacks not supported')
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@jit
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def inner(x):
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raise ValueError('inner')
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@jit
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def outer(x):
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try:
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inner(x)
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except ValueError as e:
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raise TypeError('outer') from e
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f = lambda: outer(1.)
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check_filtered_stack_trace(self, TypeError, f, [
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('<lambda>', 'f = lambda: outer'),
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('outer', 'raise TypeError')])
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e = get_exception(TypeError, f)
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self.assertIsInstance(e.__cause__, ValueError)
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self.assertIsInstance(e.__cause__.__cause__,
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traceback_util.FilteredStackTrace)
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if __name__ == '__main__':
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absltest.main(testLoader=jtu.JaxTestLoader())
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