24 Commits

Author SHA1 Message Date
Daniel Povey
435b073979 Change init of biases to all -0.1..0.1 2022-05-22 10:43:06 +08:00
Daniel Povey
dcab1aee4e make biases learn faster in a different way. 2022-05-21 17:47:30 +08:00
Daniel Povey
992f922f81 Make biases learn at twice the speed 2022-05-21 17:30:45 +08:00
Daniel Povey
b7adb6d738 Slow down learning of simple_am_proj.weight by 0.5 2022-05-21 17:06:24 +08:00
Daniel Povey
11eac9089e Fix w.r.t. how cov stats are estimated: storing more stats, and now always zeroing the stats. 2022-05-20 23:05:05 +08:00
Daniel Povey
6f974b32f6 Restore missing factor 1-beta1 2022-05-20 17:43:48 +08:00
Daniel Povey
768c260a4d Slightly simplify scaling code 2022-05-20 16:43:05 +08:00
Daniel Povey
4257c1024f Remove initial_speed option 2022-05-20 13:41:56 +08:00
Daniel Povey
abe5abb688 Implement Cain with scdaling incorporated;
Removing scaling from ScaledLinear, ScaledConv1d, etc.
2022-05-20 13:36:15 +08:00
Daniel Povey
8fd9e64fdf Fix eps value 2022-05-19 22:25:18 +08:00
Daniel Povey
1edc0fa841 Fixes to cain 2022-05-19 22:21:41 +08:00
Daniel Povey
6085ab64ef Make cain average over more iters and use preconditioning on the other dims first 2022-05-19 21:34:12 +08:00
Daniel Povey
e44edf99a4 Merge branch 'master' into knowledge_base_1b_L2_ng_orth2feat_cain 2022-05-19 12:42:50 +08:00
Daniel Povey
c736b39c7d Remove unnecessary option for diagnostics code, collect on more batches 2022-05-19 11:35:54 +08:00
Daniel Povey
ebc2ffeff7 Bug fix 2022-05-18 10:26:29 +08:00
Daniel Povey
668d01cc7a Replace Eve with Cain in pruned_transducer_stateless4 2022-05-18 10:16:50 +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
Daniel Povey
995371ad95 Move train.py changes to the right dir 2022-05-15 22:17:08 +08:00
Daniel Povey
cee5396058 Orthogonalize every 2k iters 2022-05-15 21:50:40 +08:00
Daniel Povey
0989aec741 Replace Eve optimizer with Abel. 2022-05-15 14:33:08 +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* Fix outdated decoding code.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
20f092e709
Support decoding with averaged model when using --iter (#353)
* support decoding with averaged model when using --iter

* minor fix

* monir fix of copyright date
2022-05-07 13:09:11 +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
Zengwei Yao
00c48ec1f3
Model average (#344)
* First upload of model average codes.

* minor fix

* update decode file

* update .flake8

* rename pruned_transducer_stateless3 to pruned_transducer_stateless4

* change epoch number counter starting from 1 instead of 0

* minor fix of pruned_transducer_stateless4/train.py

* refactor the checkpoint.py

* minor fix, update docs, and modify the epoch number to count from 1 in the pruned_transducer_stateless4/decode.py

* update author info

* add docs of the scaling in function average_checkpoints_with_averaged_model
2022-05-05 21:20:04 +08:00