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报错:
usage: train.py [-h] [--weights WEIGHTS] [--cfg CFG] [--data DATA] [--hyp HYP] [--epochs EPOCHS] [--batch-size BATCH_SIZE]
[--img-size IMG_SIZE [IMG_SIZE ...]] [--rect] [--resume [RESUME]] [--nosave] [--notest] [--noautoanchor] [--evolve] [--bucket BUCKET]
[--cache-images] [--image-weights] [--device DEVICE] [--multi-scale] [--single-cls] [--adam] [--sync-bn] [--local_rank LOCAL_RANK]
[--workers WORKERS] [--project PROJECT] [--entity ENTITY] [--name NAME] [--exist-ok] [--quad] [--linear-lr]
[--label-smoothing LABEL_SMOOTHING] [--upload_dataset] [--bbox_interval BBOX_INTERVAL] [--save_period SAVE_PERIOD]
[--artifact_alias ARTIFACT_ALIAS] [--freeze FREEZE [FREEZE ...]] [--v5-metric]
usage: train.py [-h] [--weights WEIGHTS] [--cfg CFG] [--data DATA] [--hyp HYP] [--epochs EPOCHS] [--batch-size BATCH_SIZE]
[--img-size IMG_SIZE [IMG_SIZE ...]] [--rect] [--resume [RESUME]] [--nosave] [--notest] [--noautoanchor] [--evolve] [--bucket BUCKET]
[--cache-images] [--image-weights] [--device DEVICE] [--multi-scale] [--single-cls] [--adam] [--sync-bn] [--local_rank LOCAL_RANK]
[--workers WORKERS] [--project PROJECT] [--entity ENTITY] [--name NAME] [--exist-ok] [--quad] [--linear-lr]
[--label-smoothing LABEL_SMOOTHING] [--upload_dataset] [--bbox_interval BBOX_INTERVAL] [--save_period SAVE_PERIOD]
[--artifact_alias ARTIFACT_ALIAS] [--freeze FREEZE [FREEZE ...]] [--v5-metric]
train.py: error: unrecognized arguments: --local-rank=2
train.py: error: unrecognized arguments: --local-rank=0
usage: train.py [-h] [--weights WEIGHTS] [--cfg CFG] [--data DATA] [--hyp HYP] [--epochs EPOCHS] [--batch-size BATCH_SIZE]
[--img-size IMG_SIZE [IMG_SIZE ...]] [--rect] [--resume [RESUME]] [--nosave] [--notest] [--noautoanchor] [--evolve] [--bucket BUCKET]
[--cache-images] [--image-weights] [--device DEVICE] [--multi-scale] [--single-cls] [--adam] [--sync-bn] [--local_rank LOCAL_RANK]
[--workers WORKERS] [--project PROJECT] [--entity ENTITY] [--name NAME] [--exist-ok] [--quad] [--linear-lr]
[--label-smoothing LABEL_SMOOTHING] [--upload_dataset] [--bbox_interval BBOX_INTERVAL] [--save_period SAVE_PERIOD]
[--artifact_alias ARTIFACT_ALIAS] [--freeze FREEZE [FREEZE ...]] [--v5-metric]
train.py: error: unrecognized arguments: --local-rank=1
ERROR:torch.distributed.elastic.multiprocessing.api:failed (exitcode: 2) local_rank: 0 (pid: 27361) of binary: /home/guoqr/anaconda3/envs/yolov8/bin/python
Traceback (most recent call last):
File "/home/guoqr/anaconda3/envs/yolov8/lib/python3.8/runpy.py", line 194, in _run_module_as_main
return _run_code(code, main_globals, None,
File "/home/guoqr/anaconda3/envs/yolov8/lib/python3.8/runpy.py", line 87, in _run_code
exec(code, run_globals)
File "/home/guoqr/anaconda3/envs/yolov8/lib/python3.8/site-packages/torch/distributed/launch.py", line 196, in <module>
main()
File "/home/guoqr/anaconda3/envs/yolov8/lib/python3.8/site-packages/torch/distributed/launch.py", line 192, in main
launch(args)
File "/home/guoqr/anaconda3/envs/yolov8/lib/python3.8/site-packages/torch/distributed/launch.py", line 177, in launch
run(args)
File "/home/guoqr/anaconda3/envs/yolov8/lib/python3.8/site-packages/torch/distributed/run.py", line 785, in run
elastic_launch(
File "/home/guoqr/anaconda3/envs/yolov8/lib/python3.8/site-packages/torch/distributed/launcher/api.py", line 134, in __call__
return launch_agent(self._config, self._entrypoint, list(args))
File "/home/guoqr/anaconda3/envs/yolov8/lib/python3.8/site-packages/torch/distributed/launcher/api.py", line 250, in launch_agent
raise ChildFailedError(
torch.distributed.elastic.multiprocessing.errors.ChildFailedError:
由上图可以看出是–local_rank 与 --local-rank不一致导致的,追究原因,竟然是torch2.0版本launch.py里面写的全是–local-rank,而老版本的torch用的是–local_rank
所以将local_rank全改成local-rank即可
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