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vllm.v1.attention.ops.flashmla

Functions:

is_flashmla_dense_supported()

Return: is_supported_flag, unsupported_reason (optional).

Source code in vllm/v1/attention/ops/flashmla.py 
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def is_flashmla_dense_supported() -> tuple[bool, str | None]:
    """Return: is_supported_flag, unsupported_reason (optional)."""
    is_available, maybe_reason = _is_flashmla_available()
    if not is_available:
        return False, maybe_reason
    if not current_platform.is_device_capability_family(90):
        return False, "FlashMLA Dense is only supported on Hopper devices."
    return True, None

is_flashmla_sparse_supported()

Return: is_supported_flag, unsupported_reason (optional).

Source code in vllm/v1/attention/ops/flashmla.py 
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def is_flashmla_sparse_supported() -> tuple[bool, str | None]:
    """Return: is_supported_flag, unsupported_reason (optional)."""
    is_available, maybe_reason = _is_flashmla_available()
    if not is_available:
        return False, maybe_reason
    if not (
        current_platform.is_device_capability_family(90)
        or current_platform.is_device_capability_family(100)
    ):
        return (
            False,
            "FlashMLA Sparse is only supported on Hopper and Blackwell DC devices.",
        )
    return True, None