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30 lines
796 B
Python
30 lines
796 B
Python
from text_generation_server.utils.import_utils import SYSTEM
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import os
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from .common import Seqlen
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if os.getenv("USE_FLASH_ATTENTION", "").lower() == "false":
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raise ImportError("`USE_FLASH_ATTENTION` is false.")
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if SYSTEM == "cuda":
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from .cuda import (
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attention,
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paged_attention,
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reshape_and_cache,
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SUPPORTS_WINDOWING,
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)
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elif SYSTEM == "rocm":
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from .rocm import attention, paged_attention, reshape_and_cache, SUPPORTS_WINDOWING
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elif SYSTEM == "ipex":
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from .ipex import attention, paged_attention, reshape_and_cache, SUPPORTS_WINDOWING
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else:
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raise ImportError(f"System {SYSTEM} doesn't support flash/paged attention")
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__all__ = [
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"attention",
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"paged_attention",
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"reshape_and_cache",
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"SUPPORTS_WINDOWING",
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"Seqlen",
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]
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