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Update README.md

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Patrick von Platen 2021-09-24 09:53:37 +02:00 committed by GitHub
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examples/pytorch/speech-recognition/README.md
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@ -30,15 +30,14 @@ In the script [`run_speech_recognition_ctc`], we first create a vocabulary from
---
**NOTE**
It is currently not recommended to make use of `--preprocessing_num_workers`.
If however, you wish to use multi-processing for data preprocessing by setting `--preprocessing_num_workers` > 1,
If you wish to use multi-processing for data preprocessing by setting `--preprocessing_num_workers` > 1,
please make sure to set the environment variable `OMP_NUM_THREADS` to 1 as follows:
```bash
OMP_NUM_THREADS=1 python run_speech_recognition_ctc ...
```
If the environment variable is not set, the training script might hang, *i.e.* see: https://github.com/pytorch/audio/issues/1021#issuecomment-726915239
If the environment variable is not set, the training script might freeze, *i.e.* see: https://github.com/pytorch/audio/issues/1021#issuecomment-726915239
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