51 lines
1.4 KiB
Python
51 lines
1.4 KiB
Python
# SPDX-License-Identifier: Apache-2.0
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# SPDX-FileCopyrightText: Copyright contributors to the vLLM project
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import types
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from importlib.util import find_spec
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from vllm.logger import init_logger
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logger = init_logger(__name__)
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HAS_TRITON = (
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find_spec("triton") is not None
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or find_spec("pytorch-triton-xpu") is not None # Not compatible
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)
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if not HAS_TRITON:
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logger.info("Triton not installed or not compatible; certain GPU-related"
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" functions will not be available.")
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class TritonPlaceholder(types.ModuleType):
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def __init__(self):
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super().__init__("triton")
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self.jit = self._dummy_decorator("jit")
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self.autotune = self._dummy_decorator("autotune")
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self.heuristics = self._dummy_decorator("heuristics")
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self.language = TritonLanguagePlaceholder()
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logger.warning_once(
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"Triton is not installed. Using dummy decorators. "
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"Install it via `pip install triton` to enable kernel"
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" compilation.")
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def _dummy_decorator(self, name):
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def decorator(*args, **kwargs):
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if args and callable(args[0]):
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return args[0]
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return lambda f: f
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return decorator
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class TritonLanguagePlaceholder(types.ModuleType):
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def __init__(self):
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super().__init__("triton.language")
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self.constexpr = None
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self.dtype = None
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self.int64 = None
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