30 lines
746 B
Python
30 lines
746 B
Python
from pathlib import Path
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def _arch_flag():
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import torch
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if torch.cuda.is_available():
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cap = torch.cuda.get_device_capability()
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ver = f"{cap[0]}{cap[1]}"
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return f"-gencode=arch=compute_{ver},code=sm_{ver}"
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return "-gencode=arch=compute_80,code=sm_80"
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_kernels_dir = Path("csrc/kernels")
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REGISTRY: dict[str, dict] = {}
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def register(name: str, sources: list[str] | None = None, **kwargs):
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if sources is None:
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sources = [str(_kernels_dir / f"{name}.cu")]
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REGISTRY[name] = {
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"sources": sources,
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"nvcc_flags": ["-O3", "--expt-relaxed-constexpr", _arch_flag()],
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"extra_link_args": kwargs.pop("extra_link_args", []),
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**kwargs,
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}
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register("gqa_decode_attn")
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