wangyuandCursor
3d43571b94
Signed-off-by: wangyu <410167048@qq.com> Signed-off-by: [Your Name] <your.email@example.com> Co-authored-by: Cursor <cursoragent@cursor.com>
109 lines
4.3 KiB
Python
109 lines
4.3 KiB
Python
#!/usr/bin/env python3
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# SPDX-License-Identifier: Apache-2.0
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# SPDX-FileCopyrightText: Copyright contributors to the vLLM-Omni project
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"""Ban direct torch.cuda.* usage outside an allowlist.
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Modeled on vllm/tools/pre_commit/check_torch_cuda.py. Call sites should use
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current_omni_platform / OmniPlatform instead of CUDA-only torch.cuda APIs.
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"""
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import sys
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import regex as re
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# Match `torch.cuda.xxx` device/memory/seed helpers that have portable Omni
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# platform equivalents. CUDAGraph / is_available / stream capture are not in
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# this list (same split as upstream vLLM).
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_TORCH_CUDA_PATTERNS = [
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r"\btorch\.cuda\.(empty_cache|synchronize|device_count|current_device|memory_reserved|memory_allocated|max_memory_allocated|max_memory_reserved|reset_peak_memory_stats|memory_stats|mem_get_info|set_device)\b",
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# Match torch.cuda.device(...) including args. `device\()\b` misses
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# `device()` (no word char after `)`) and `device(0)`.
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r"\btorch\.cuda\.device\s*\(",
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r"\btorch\.cuda\.(manual_seed|manual_seed_all)\b",
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r"\bwith\storch\.cuda\.device\b",
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# Calls torch.cuda.{_is_compiled/_device_count_amdsmi/_device_count_nvml} internally
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r"\bcuda_device_count_stateless\(\)\b",
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]
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# Platform adapters must call native torch.cuda / torch.npu / torch.xpu APIs.
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ALLOWED_PREFIXES = {
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"vllm_omni/platforms/",
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}
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# Grandfathered call sites. Remove a path after migrating it to
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# current_omni_platform / OmniPlatform. Do not add new files without review.
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ALLOWED_FILES = {
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"benchmarks/kernels/mot_linear_benchmarks.py",
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"examples/online_serving/qwen2_5_omni/gradio_demo.py",
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"examples/online_serving/qwen3_omni/gradio_demo.py",
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"tests/dfx/reliability/helpers.py",
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"tests/diffusion/distributed/test_cfg_parallel.py",
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"tests/diffusion/distributed/test_pipeline_parallel.py",
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"tests/e2e/accuracy/wan22_i2v/run_wan22_i2v_diffusers_cp.py",
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"tests/e2e/features/custom_pipeline/test_async_omni_collective_rpc.py",
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"tests/e2e/features/fullduplex/test_personaplex_elastic.py",
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"tools/configure_stage_memory.py",
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"vllm_omni/diffusion/models/bagel/pipeline_bagel.py",
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"vllm_omni/diffusion/models/lance/pipeline_lance.py",
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"vllm_omni/diffusion/models/magi_human/pipeline_magi_human.py",
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"vllm_omni/diffusion/models/nextstep_1_1/pipeline_nextstep_1_1.py",
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"vllm_omni/distributed/omni_connectors/connectors/mooncake_transfer_engine_connector.py",
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"vllm_omni/distributed/omni_connectors/connectors/mori_transfer_engine_connector.py",
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"vllm_omni/experimental/ar_diffusion/runner.py",
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"vllm_omni/model_executor/models/moss_tts/cuda_graph_streaming_decoder_wrapper.py",
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"vllm_omni/model_executor/models/moss_tts_nano/modeling_moss_tts_nano.py",
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"vllm_omni/model_executor/models/qwen3_tts/cuda_graph_decoder_wrapper.py",
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"vllm_omni/worker/gpu_ar_model_runner.py",
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}
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_GENERIC_TIP = (
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"Found torch.cuda API call. Use current_omni_platform / OmniPlatform "
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"(empty_cache, synchronize, get_device_count, current_device, "
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"get_device_memory, set_device) instead."
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)
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_SEED_TIP = (
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"Found CUDA manual-seed API call. Use "
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"torch.Generator(device=current_omni_platform.device_type).manual_seed(...) "
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"instead."
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)
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def _normalize_path(path: str) -> str:
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return path.replace("\\", "/")
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def _is_allowed(path: str) -> bool:
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if any(path.startswith(prefix) for prefix in ALLOWED_PREFIXES):
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return True
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return path in ALLOWED_FILES
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def scan_file(path: str) -> int:
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with open(path, encoding="utf-8") as f:
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content = f.read()
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for pattern in _TORCH_CUDA_PATTERNS:
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for match in re.finditer(pattern, content, re.MULTILINE):
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line_start = content.rfind("\n", 0, match.start()) + 1
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if "#" in content[line_start : match.start()]:
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continue
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line_num = content[: match.start() + 1].count("\n") + 1
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matched_text = match.group(0)
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tip = _SEED_TIP if "manual_seed" in matched_text else _GENERIC_TIP
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print(f"{path}:{line_num}: \033[91merror:\033[0m {tip}")
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return 1
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return 0
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def main():
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returncode = 0
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for filename in sys.argv[1:]:
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path = _normalize_path(filename)
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if _is_allowed(path):
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continue
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returncode |= scan_file(path)
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return returncode
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if __name__ == "__main__":
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sys.exit(main())
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