26 Commits

Author SHA1 Message Date
Desh Raj
107df3b115 apply black on all files 2022-11-17 09:42:17 -05:00
Fangjun Kuang
60317120ca
Revert "Apply new Black style changes" 2022-11-17 20:19:32 +08:00
Desh Raj
d110b04ad3 apply new black formatting to all files 2022-11-16 13:06:43 -05:00
Zengwei Yao
aa58c2ee02
Modify ActivationBalancer for speed (#612)
* add a probability to apply ActivationBalancer

* minor fix

* minor fix
2022-10-13 15:14:28 +08:00
Zengwei Yao
f3ad32777a
Gradient filter for training lstm model (#564)
* init files

* add gradient filter module

* refact getting median value

* add cutoff for grad filter

* delete comments

* apply gradient filter in LSTM module, to filter both input and params

* fix typing and refactor

* filter with soft mask

* rename lstm_transducer_stateless2 to lstm_transducer_stateless3

* fix typos, and update RESULTS.md

* minor fix

* fix return typing

* fix typo
2022-09-29 11:15:43 +08:00
Zengwei Yao
f2f5baf687
Use ScaledLSTM as streaming encoder (#479)
* add ScaledLSTM

* add RNNEncoderLayer and RNNEncoder classes in lstm.py

* add RNN and Conv2dSubsampling classes in lstm.py

* hardcode bidirectional=False

* link from pruned_transducer_stateless2

* link scaling.py pruned_transducer_stateless2

* copy from pruned_transducer_stateless2

* modify decode.py pretrained.py test_model.py train.py

* copy streaming decoding files from pruned_transducer_stateless2

* modify streaming decoding files

* simplified code in ScaledLSTM

* flat weights after scaling

* pruned2 -> pruned4

* link __init__.py

* fix style

* remove add_model_arguments

* modify .flake8

* fix style

* fix scale value in scaling.py

* add random combiner for training deeper model

* add using proj_size

* add scaling converter for ScaledLSTM

* support jit trace

* add using averaged model in export.py

* modify test_model.py, test if the model can be successfully exported by jit.trace

* modify pretrained.py

* support streaming decoding

* fix model.py

* Add cut_id to recognition results

* Add cut_id to recognition results

* do not pad in Conv subsampling module; add tail padding during decoding.

* update RESULTS.md

* minor fix

* fix doc

* update README.md

* minor change, filter infinite loss

* remove the condition of raise error

* modify type hint for the return value in model.py

* minor change

* modify RESULTS.md

Co-authored-by: pkufool <wkang.pku@gmail.com>
2022-08-19 14:38:45 +08:00
Wei Kang
5c17255eec
Sort results to make it more convenient to compare decoding results (#522)
* Sort result to make it more convenient to compare decoding results

* Add cut_id to recognition results

* add cut_id to results for all recipes

* Fix torch.jit.script

* Fix comments

* Minor fixes

* Fix torch.jit.tracing for Pytorch version before v1.9.0
2022-08-12 07:12:50 +08:00
Fangjun Kuang
6af5a82d8f
Convert ScaledEmbedding to nn.Embedding for inference. (#517)
* Convert ScaledEmbedding to nn.Embedding for inference.

* Fix CI style issues.
2022-08-03 15:34:55 +08:00
Fangjun Kuang
58a96e5b68
Support exporting to ONNX format (#501)
* WIP: Support exporting to ONNX format

* Minor fixes.

* Combine encoder/decoder/joiner into a single file.

* Revert merging three onnx models into a single one.

It's quite time consuming to extract a sub-graph from the combined
model. For instance, it takes more than one hour to extract
the encoder model.

* Update CI to test ONNX models.

* Decode with exported models.

* Fix typos.

* Add more doc.

* Remove ncnn as it is not fully tested yet.

* Fix as_strided for streaming conformer.
2022-08-03 10:30:28 +08:00
Quandwang
116d0cf26d
CTC attention model with reworked Conformer encoder and reworked Transformer decoder (#462)
* ctc attention model with reworked conformer encoder and reworked transformer decoder

* remove unnecessary func

* resolve flake8 conflicts

* fix typos and modify the expr of ScaledEmbedding

* use original beam size

* minor changes to the scripts

* add rnn lm decoding

* minor changes

* check whether q k v weight is None

* check whether q k v weight is None

* check whether q k v weight is None

* style correction

* update results

* update results

* upload the decoding results of rnn-lm to the RESULTS

* upload the decoding results of rnn-lm to the RESULTS

* Update egs/librispeech/ASR/RESULTS.md

Co-authored-by: Fangjun Kuang <csukuangfj@gmail.com>

* Update egs/librispeech/ASR/RESULTS.md

Co-authored-by: Fangjun Kuang <csukuangfj@gmail.com>

* Update egs/librispeech/ASR/RESULTS.md

Co-authored-by: Fangjun Kuang <csukuangfj@gmail.com>

Co-authored-by: Fangjun Kuang <csukuangfj@gmail.com>
2022-07-22 15:31:25 +08:00
Fangjun Kuang
ab788980c9
Fix an error introduced by supporting torchscript for torch 1.6.0 (#434) 2022-06-18 08:57:20 +08:00
Fangjun Kuang
d53f69108f
Support torch 1.6.0 (#433) 2022-06-17 22:24:47 +08:00
Fangjun Kuang
f6ce135608
Various fixes to support torch script. (#371)
* Various fixes to support torch script.

* Add tests to ensure that the model is torch scriptable.

* Update tests.
2022-05-16 21:46:59 +08:00
Guo Liyong
78418ac37c fix comments 2022-04-13 13:09:24 +08:00
Mingshuang Luo
93c60a9d30
Code style check for librispeech pruned transducer stateless2 (#308) 2022-04-11 22:15:18 +08:00
Daniel Povey
2545237eb3 Changing initial_speed from 0.25 to 01 2022-04-05 18:00:54 +08:00
Daniel Povey
179d0605ea Change initialization to 0.25 2022-04-04 23:34:39 +08:00
Daniel Povey
72f4a673b1 First draft of new approach to learning rates + init 2022-04-04 20:21:34 +08:00
Daniel Povey
37ab0bcfa5 Reduce speed of some components 2022-03-30 11:46:23 +08:00
Daniel Povey
11a04c50ae Change 0.025,0.05 to 0.01 in initializations 2022-03-21 21:29:24 +08:00
Daniel Povey
8cff994cd7 Set also scale for embedding to 0.025. 2022-03-18 21:30:05 +08:00
Daniel Povey
188eada7ac Change initial std from 0.05 to 0.025. 2022-03-18 21:28:34 +08:00
Daniel Povey
c9f1aeb7d1 Fix bug with import 2022-03-18 16:40:24 +08:00
Daniel Povey
ba3611cefd Cosmetic changes to swish 2022-03-18 16:35:48 +08:00
Daniel Povey
6769087d70 Remove scale_speed, make swish deriv more efficient. 2022-03-18 16:31:25 +08:00
Daniel Povey
11bea4513e Add remaining files in pruned_transducer_stateless2 2022-03-17 11:17:52 +08:00