178 Commits

Author SHA1 Message Date
Wei Kang
b1d0956855
Add modified_beam_search for streaming decode (#489)
* Add modified_beam_search for pruned_transducer_stateless/streaming_decode.py

* refactor

* modified beam search for stateless3,4

* Fix comments

* Add real streamng ci
2022-07-25 16:53:23 +08:00
Zengwei Yao
8203d10be7
Add stats about duration and padding proportion (#485)
* add stats about duration and padding proportion

* add  for utt_duration

* add stats for other recipes

* add stats for other 2 recipes

* modify doc

* minor change
2022-07-25 16:40:43 +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
ezerhouni
608473b4eb
Add RNN-LM rescoring in fast beam search (#475) 2022-07-18 16:52:17 +08:00
ezerhouni
ffca1ae7fb
[WIP] Rnn-T LM nbest rescoring (#471) 2022-07-15 10:32:54 +08:00
Wei Kang
6e609c67a2
Using streaming conformer as transducer encoder (#380)
* support streaming in conformer

* Add more documents

* support streaming on pruned_transducer_stateless2; add delay penalty; fixes for decode states

* Minor fixes

* streaming for pruned_transducer_stateless4

* Fix conv cache error, support async streaming decoding

* Fix style

* Fix style

* Fix style

* Add torch.jit.export

* mask the initial cache

* Cutting off invalid frames of encoder_embed output

* fix relative positional encoding in streaming decoding for compution saving

* Minor fixes

* Minor fixes

* Minor fixes

* Minor fixes

* Minor fixes

* Fix jit export for torch 1.6

* Minor fixes for streaming decoding

* Minor fixes on decode stream

* move model parameters to train.py

* make states in forward streaming optional

* update pretrain to support streaming model

* update results.md

* update tensorboard and pre-models

* fix typo

* Fix tests

* remove unused arguments

* add streaming decoding ci

* Minor fix

* Minor fix

* disable right context by default
2022-06-28 00:18:54 +08:00
Jun Wang
d792bdc9bc
fix typo (#445) 2022-06-25 11:00:53 +08:00
Fangjun Kuang
dc89b61b80
Add fast_beam_search_nbest. (#420)
* Add fast_beam_search_nbest.

* Fix CI errors.

* Fix CI errors.

* More fixes.

* Small fixes.

* Support using log_add in LG decoding with fast_beam_search.

* Support LG decoding in pruned_transducer_stateless

* Support LG for pruned_transducer_stateless2.

* Support LG for fast beam search.

* Minor fixes.
2022-06-22 00:09:25 +08:00
Fangjun Kuang
7100c33820
Add pruned RNN-T for aishell. (#436)
* Add pruned RNN-T for aishell.

* support torch script.

* Update CI.

* Minor fixes.

* Add links to sherpa.
2022-06-21 21:17:22 +08:00
Zengwei Yao
a42d96dfe0
Fix warmup (#435)
* fix warmup when scan_pessimistic_batches_for_oom

* delete comments
2022-06-20 13:40:01 +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
Zengwei Yao
53f38c01d2
Emformer with conv module and scaling mechanism (#389)
* copy files from existing branch

* add rule in .flake8

* monir style fix

* fix typos

* add tail padding

* refactor, use fixed-length cache for batch decoding

* copy from streaming branch

* copy from streaming branch

* modify emformer states stack and unstack, streaming decoding, to be continued

* refactor Stream class

* remane streaming_feature_extractor.py

* refactor streaming decoding

* test states stack and unstack

* fix bugs, no grad, and num_proccessed_frames

* add modify_beam_search, fast_beam_search

* support torch.jit.export

* use torch.div

* copy from pruned_transducer_stateless4

* modify export.py

* add author info

* delete other test functions

* minor fix

* modify doc

* fix style

* minor fix doc

* minor fix

* minor fix doc

* update RESULTS.md

* fix typo

* add info

* fix typo

* fix doc

* add test function for conv module, and minor fix.

* add copyright info

* minor change of test_emformer.py

* fix doc of stack and unstack, test case with batch_size=1

* update README.md
2022-06-13 15:09:17 +08:00
Quandwang
8512aaf585
fix typos (#409) 2022-06-08 20:08:44 +08:00
Fangjun Kuang
2f1e23cde1
Narrower and deeper conformer (#330)
* Copy files for editing.

* Add random combine from #229.

* Minor fixes.

* Pass model parameters from the command line.

* Fix warnings.

* Fix warnings.

* Update readme.

* Rename to avoid conflicts.

* Update results.

* Add CI for pruned_transducer_stateless5

* Typo fixes.

* Remove random combiner.

* Update decode.py and train.py to use periodically averaged models.

* Minor fixes.

* Revert to use random combiner.

* Update results.

* Minor fixes.
2022-05-23 14:39:11 +08:00
Daniel Povey
4e23fb2252
Improve diagnostics code memory-wise and accumulate more stats. (#373)
* Update diagnostics, hopefully print more stats.

# Conflicts:
#	egs/librispeech/ASR/pruned_transducer_stateless4b/train.py

* Remove memory-limit options arg

* Remove unnecessary option for diagnostics code, collect on more batches
2022-05-19 11:45:59 +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
Fangjun Kuang
f23dd43719
Update results for libri+giga multi dataset setup. (#363)
* Update results for libri+giga multi dataset setup.
2022-05-14 21:45:39 +08:00
Fangjun Kuang
7b7acdf369
Support --iter in export.py (#360) 2022-05-13 10:51:44 +08:00
Fangjun Kuang
aeb8986e35
Ignore padding frames during RNN-T decoding. (#358)
* Ignore padding frames during RNN-T decoding.

* Fix outdated decoding code.

* Minor fixes.
2022-05-13 07:39:14 +08:00
Zengwei Yao
c059ef3169
Keep model_avg on cpu (#348)
* keep model_avg on cpu

* explicitly convert model_avg to cpu

* minor fix

* remove device convertion for model_avg

* modify usage of the model device in train.py

* change model.device to next(model.parameters()).device for decoding

* assert params.start_epoch>0

* assert params.start_epoch>0, params.start_epoch
2022-05-07 10:42:34 +08:00
Fangjun Kuang
32f05c00e3
Save batch to disk on exception. (#350) 2022-05-06 17:49:40 +08:00
Fangjun Kuang
e1c3e98980
Save batch to disk on OOM. (#343)
* Save batch to disk on OOM.

* minor fixes

* Fixes after review.

* Fix style issues.
2022-05-05 15:09:23 +08:00
Fangjun Kuang
ac84220de9
Modified conformer with multi datasets (#312)
* Copy files for editing.

* Use librispeech + gigaspeech with modified conformer.

* Support specifying number of workers for on-the-fly feature extraction.

* Feature extraction code for GigaSpeech.

* Combine XL splits lazily during training.

* Fix warnings in decoding.

* Add decoding code for GigaSpeech.

* Fix decoding the gigaspeech dataset.

We have to use the decoder/joiner networks for the GigaSpeech dataset.

* Disable speed perturbe for XL subset.

* Compute the Nbest oracle WER for RNN-T decoding.

* Minor fixes.

* Minor fixes.

* Add results.

* Update results.

* Update CI.

* Update results.

* Fix style issues.

* Update results.

* Fix style issues.
2022-04-29 15:40:30 +08:00
Fangjun Kuang
caab6cfd92
Support specifying iteration number of checkpoints for decoding. (#336)
See also #289
2022-04-28 14:09:22 +08:00
pehonnet
9a98e6ced6
fix fp16 option in example usage (#332) 2022-04-25 18:51:53 +08:00
Guo Liyong
78418ac37c fix comments 2022-04-13 13:09:24 +08:00
Daniel Povey
2a854f5607
Merge pull request #309 from danpovey/update_results
Update results; will further update this before merge
2022-04-12 12:22:48 +08:00
Mingshuang Luo
93c60a9d30
Code style check for librispeech pruned transducer stateless2 (#308) 2022-04-11 22:15:18 +08:00
Daniel Povey
ead822477c Fix rebase 2022-04-11 21:01:13 +08:00
Daniel Povey
e8eb0b94d9 Updating RESULTS.md; fix in beam_search.py 2022-04-11 21:00:11 +08:00
pkufool
a92133ef96 Minor fixes 2022-04-11 20:58:47 +08:00
pkufool
ddd8f9e15e Minor fixes 2022-04-11 20:58:43 +08:00
pkufool
cc0d4ffa4f Add mix precision support 2022-04-11 20:58:02 +08:00
Wei Kang
7012fd65b5
Support mix precision training on the reworked model (#305)
* Add mix precision support

* Minor fixes

* Minor fixes

* Minor fixes
2022-04-11 16:49:54 +08:00
Daniel Povey
03c7c2613d Fix docs in optim.py 2022-04-11 15:13:42 +08:00
Daniel Povey
5078332088 Fix adding learning rate to tensorboard 2022-04-11 14:58:15 +08:00
Daniel Povey
d5f9d49e53 Modify beam search to be efficient with current joienr 2022-04-11 12:35:29 +08:00
Daniel Povey
46d52dda10 Fix dir names 2022-04-11 12:03:41 +08:00
Daniel Povey
962cf868c9 Fix import 2022-04-10 15:31:46 +08:00
Daniel Povey
d1e4ae788d Refactor how learning rate is set. 2022-04-10 15:25:27 +08:00
Daniel Povey
82d58629ea Implement 2p version of learning rate schedule. 2022-04-10 13:50:31 +08:00
Daniel Povey
da50525ca5 Make lrate rule more symmetric 2022-04-10 13:25:40 +08:00
Daniel Povey
4d41ee0caa Implement 2o schedule 2022-04-09 18:37:03 +08:00
Daniel Povey
db72aee1f0 Set 2n rule.. 2022-04-09 18:15:56 +08:00
Daniel Povey
0f8ee68af2 Fix bug 2022-04-08 16:53:42 +08:00
Daniel Povey
f587cd527d Change exponential part of lrate to be epoch based 2022-04-08 16:24:21 +08:00
Daniel Povey
6ee32cf7af Set new scheduler 2022-04-08 16:10:06 +08:00
Daniel Povey
61486a0f76 Remove initial_speed 2022-04-06 13:17:26 +08:00
Daniel Povey
a41e93437c Change some defaults in LR-setting rule. 2022-04-06 12:36:58 +08:00