# Copyright (c) ModelScope Contributors. All rights reserved. import os import sys def _use_ray() -> bool: if '--use_ray' not in sys.argv: return False idx = sys.argv.index('--use_ray') sys.argv.pop(idx) if idx < len(sys.argv) and sys.argv[idx].lower() in ('true', 'false'): val = sys.argv.pop(idx).lower() == 'true' return val return True if __name__ == '__main__': if _use_ray(): from swift.ray.megatron.pipeline import main as ray_main ray_main() else: os.environ.setdefault('CUDA_DEVICE_MAX_CONNECTIONS', '1') from swift.megatron import megatron_rlhf_main megatron_rlhf_main()