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c8c8645081
* add pruned-rnnt2 model for aidatatang_200zh * do some changes * change for README.md * do some changes
73 lines
2.1 KiB
Markdown
73 lines
2.1 KiB
Markdown
## Results
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### Aidatatang_200zh Char training results (Pruned Transducer Stateless2)
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#### 2022-05-16
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Using the codes from this PR https://github.com/k2-fsa/icefall/pull/375.
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The WERs are
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| | dev | test | comment |
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|------------------------------------|------------|------------|------------------------------------------|
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| greedy search | 5.53 | 6.59 | --epoch 29, --avg 19, --max-duration 100 |
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| modified beam search (beam size 4) | 5.27 | 6.33 | --epoch 29, --avg 19, --max-duration 100 |
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| fast beam search (set as default) | 5.30 | 6.34 | --epoch 29, --avg 19, --max-duration 1500|
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The training command for reproducing is given below:
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```
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export CUDA_VISIBLE_DEVICES="0,1"
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./pruned_transducer_stateless2/train.py \
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--world-size 2 \
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--num-epochs 30 \
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--start-epoch 0 \
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--exp-dir pruned_transducer_stateless2/exp \
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--lang-dir data/lang_char \
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--max-duration 250 \
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--save-every-n 1000
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```
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The tensorboard training log can be found at
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https://tensorboard.dev/experiment/xS7kgYf2RwyDpQAOdS8rAA/#scalars
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The decoding command is:
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```
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epoch=29
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avg=19
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## greedy search
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./pruned_transducer_stateless2/decode.py \
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--epoch $epoch \
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--avg $avg \
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--exp-dir pruned_transducer_stateless2/exp \
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--lang-dir ./data/lang_char \
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--max-duration 100
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## modified beam search
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./pruned_transducer_stateless2/decode.py \
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--epoch $epoch \
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--avg $avg \
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--exp-dir pruned_transducer_stateless2/exp \
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--lang-dir ./data/lang_char \
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--max-duration 100 \
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--decoding-method modified_beam_search \
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--beam-size 4
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## fast beam search
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./pruned_transducer_stateless2/decode.py \
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--epoch $epoch \
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--avg $avg \
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--exp-dir ./pruned_transducer_stateless2/exp \
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--lang-dir ./data/lang_char \
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--max-duration 1500 \
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--decoding-method fast_beam_search \
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--beam 4 \
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--max-contexts 4 \
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--max-states 8
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```
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A pre-trained model and decoding logs can be found at <https://huggingface.co/luomingshuang/icefall_asr_aidatatang-200zh_pruned_transducer_stateless2>
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