Function init_dist

modelscope/utils/torch_utils.py:52–62

(launcher: str, backend: str = 'nccl', **kwargs)

def init_dist(launcher: str, backend: str = 'nccl', **kwargs) -> None:
    if mp.get_start_method(allow_none=True) is None:
        mp.set_start_method('spawn')
    if launcher == 'pytorch':
        _init_dist_pytorch(backend, **kwargs)
    elif launcher == 'mpi':
        _init_dist_mpi(backend, **kwargs)
    elif launcher == 'slurm':
        _init_dist_slurm(backend, **kwargs)
    else:
        raise ValueError(f'Invalid launcher type: {launcher}')


def _init_dist_pytorch(backend: str, **kwargs) -> None: