72 lines
2.0 KiB
Python
72 lines
2.0 KiB
Python
# SPDX-License-Identifier: Apache-2.0
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import copy
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import pytest
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import torch
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from vllm.compilation.inductor_pass import CallableInductorPass, InductorPass
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from vllm.compilation.pass_manager import PostGradPassManager
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from vllm.config import CompilationConfig
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# dummy custom pass that doesn't inherit
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def simple_callable(graph: torch.fx.Graph):
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pass
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# Should fail to add directly to the pass manager
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def test_bad_callable():
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config = CompilationConfig().pass_config
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pass_manager = PostGradPassManager()
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pass_manager.configure(config)
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with pytest.raises(AssertionError):
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pass_manager.add(simple_callable) # noqa, type wrong on purpose
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# Pass that inherits from InductorPass
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class ProperPass(InductorPass):
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def __call__(self, graph: torch.fx.graph.Graph) -> None:
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pass
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@pytest.mark.parametrize(
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"callable",
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[
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ProperPass(),
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# Can also wrap callables in CallableInductorPass for compliance
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CallableInductorPass(simple_callable),
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CallableInductorPass(simple_callable,
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InductorPass.hash_source(__file__))
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],
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)
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def test_pass_manager_uuid(callable):
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config = CompilationConfig().pass_config
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pass_manager = PostGradPassManager()
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pass_manager.configure(config)
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# Check that UUID is different if the same pass is added 2x
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pass_manager.add(callable)
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uuid1 = pass_manager.uuid()
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pass_manager.add(callable)
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uuid2 = pass_manager.uuid()
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assert uuid1 != uuid2
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# UUID should be the same as the original one,
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# as we constructed in the same way.
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pass_manager2 = PostGradPassManager()
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pass_manager2.configure(config)
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pass_manager2.add(callable)
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assert uuid1 == pass_manager2.uuid()
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# UUID should be different due to config change
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config2 = copy.deepcopy(config)
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config2.enable_fusion = not config2.enable_fusion
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pass_manager3 = PostGradPassManager()
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pass_manager3.configure(config2)
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pass_manager3.add(callable)
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assert uuid1 != pass_manager3.uuid()
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