Couldn't open shared file mapping: <torch_12372_2591263215>, error code: <1455>

[ww5171351]

训练完成后，出现如下警报 => Final test最终试验

Evaluating market1501 (source)

Extracting features from query set ... H:\Code in the paper\deep-person-reid-master\torchreid\metrics\rank.py:12: UserWarning: Cython evaluation (very fast so highly recommended) is unavailable, now use python evaluation.Cython求值（非常快，因此强烈建议）不可用，现在使用python求值。 'Cython evaluation (very fast so highly recommended) is ' H:\Code in the paper\deep-person-reid-master\torchreid\metrics\rank.py:12: UserWarning: Cython evaluation (very fast so highly recommended) is unavailable, now use python evaluation.Cython求值（非常快，因此强烈建议）不可用，现在使用python求值。 'Cython evaluation (very fast so highly recommended) is ' H:\Code in the paper\deep-person-reid-master\torchreid\metrics\rank.py:12: UserWarning: Cython evaluation (very fast so highly recommended) is unavailable, now use python evaluation.Cython求值（非常快，因此强烈建议）不可用，现在使用python求值。 'Cython evaluation (very fast so highly recommended) is ' H:\Code in the paper\deep-person-reid-master\torchreid\metrics\rank.py:12: UserWarning: Cython evaluation (very fast so highly recommended) is unavailable, now use python evaluation.Cython求值（非常快，因此强烈建议）不可用，现在使用python求值。 'Cython evaluation (very fast so highly recommended) is ' Done, obtained 3368-by-512 matrix Extracting features from gallery set ... H:\Code in the paper\deep-person-reid-master\torchreid\metrics\rank.py:12: UserWarning: Cython evaluation (very fast so highly recommended) is unavailable, now use python evaluation.Cython求值（非常快，因此强烈建议）不可用，现在使用python求值。 'Cython evaluation (very fast so highly recommended) is ' H:\Code in the paper\deep-person-reid-master\torchreid\metrics\rank.py:12: UserWarning: Cython evaluation (very fast so highly recommended) is unavailable, now use python evaluation.Cython求值（非常快，因此强烈建议）不可用，现在使用python求值。 'Cython evaluation (very fast so highly recommended) is ' H:\Code in the paper\deep-person-reid-master\torchreid\metrics\rank.py:12: UserWarning: Cython evaluation (very fast so highly recommended) is unavailable, now use python evaluation.Cython求值（非常快，因此强烈建议）不可用，现在使用python求值。 'Cython evaluation (very fast so highly recommended) is ' H:\Code in the paper\deep-person-reid-master\torchreid\metrics\rank.py:12: UserWarning: Cython evaluation (very fast so highly recommended) is unavailable, now use python evaluation.Cython求值（非常快，因此强烈建议）不可用，现在使用python求值。 'Cython evaluation (very fast so highly recommended) is ' Traceback (most recent call last): File "main.py", line 213, in main() File "main.py", line 209, in main engine.run(**engine_run_kwargs(cfg)) File "H:\Code in the paper\deep-person-reid-master\torchreid\engine\engine.py", line 220, in run ranks=ranks File "H:\Code in the paper\deep-person-reid-master\torchreid\engine\engine.py", line 335, in test rerank=rerank File "F:\Python37\lib\site-packages\torch\autograd\grad_mode.py", line 15, in decorate_context return func(*args, **kwargs) File "H:\Code in the paper\deep-person-reid-master\torchreid\engine\engine.py", line 384, in _evaluate gf, g_pids, g_camids = _feature_extraction(gallery_loader) File "H:\Code in the paper\deep-person-reid-master\torchreid\engine\engine.py", line 363, in _feature_extraction for batch_idx, data in enumerate(data_loader): File "F:\Python37\lib\site-packages\torch\utils\data\dataloader.py", line 363, in next data = self._next_data() File "F:\Python37\lib\site-packages\torch\utils\data\dataloader.py", line 989, in _next_data return self._process_data(data) File "F:\Python37\lib\site-packages\torch\utils\data\dataloader.py", line 1014, in _process_data data.reraise() File "F:\Python37\lib\site-packages\torch_utils.py", line 395, in reraise raise self.exc_type(msg) RuntimeError: Caught RuntimeError in DataLoader worker process 2. Original Traceback (most recent call last): File "F:\Python37\lib\site-packages\torch\utils\data_utils\worker.py", line 185, in _worker_loop data = fetcher.fetch(index) File "F:\Python37\lib\site-packages\torch\utils\data_utils\fetch.py", line 47, in fetch return self.collate_fn(data) File "F:\Python37\lib\site-packages\torch\utils\data_utils\collate.py", line 74, in default_collate return {key: default_collate([d[key] for d in batch]) for key in elem} File "F:\Python37\lib\site-packages\torch\utils\data_utils\collate.py", line 74, in return {key: default_collate([d[key] for d in batch]) for key in elem} File "F:\Python37\lib\site-packages\torch\utils\data_utils\collate.py", line 53, in default_collate storage = elem.storage()._new_shared(numel) File "F:\Python37\lib\site-packages\torch\storage.py", line 136, in _new_shared return cls._new_using_filename(size) RuntimeError: Couldn't open shared file mapping: <torch_12372_2591263215>, error code: <1455>

[KaiyangZhou]

it's an error from the pytorch code

a simple google search on "RuntimeError: Couldn't open shared file mapping" should give you useful information https://github.com/pytorch/pytorch/issues/18797 https://github.com/pytorch/pytorch/issues/31874

[ww5171351]

感谢您在百忙之中的回复，您发的两个链接，我详细看了，可能是因为我水平有限，没怎么看懂这上面的解决方法。您能稍微详细的指点一下，怎么解决吗