From e520077652fb43ba91518aea048d46885a4320d9 Mon Sep 17 00:00:00 2001
From: Hui Zhang <zhtclz@foxmail.com>
Date: Thu, 18 Mar 2021 07:08:39 +0000
Subject: [PATCH] when loss div batchsize, change lr, more epoch, loss can
 reduce more and cer lower than before

---
 examples/aishell/README.md             | 8 ++++----
 examples/aishell/conf/deepspeech2.yaml | 4 ++--
 examples/aishell/local/train.sh        | 2 +-
 3 files changed, 7 insertions(+), 7 deletions(-)

diff --git a/examples/aishell/README.md b/examples/aishell/README.md
index 6d67d19a9..5c3db546a 100644
--- a/examples/aishell/README.md
+++ b/examples/aishell/README.md
@@ -1,7 +1,7 @@
 # Aishell-1
 
 ## CTC
-| Model | Config | Test set |  CER |
-| --- | --- | --- | --- |
-| DeepSpeech2 | conf/deepspeech2.yaml | test | 0.078977 |
-| DeepSpeech2 | release 1.8.5 | test | 0.080447 |
+| Model | Config | Test Set |  CER | Valid Loss |
+| --- | --- | --- | --- | --- |
+| DeepSpeech2 | conf/deepspeech2.yaml | test | 0.078786 | 7.036566 |
+| DeepSpeech2 | release 1.8.5 | test | 0.080447 | - |
diff --git a/examples/aishell/conf/deepspeech2.yaml b/examples/aishell/conf/deepspeech2.yaml
index 821c183e5..9a840186b 100644
--- a/examples/aishell/conf/deepspeech2.yaml
+++ b/examples/aishell/conf/deepspeech2.yaml
@@ -29,8 +29,8 @@ model:
   use_gru: True 
   share_rnn_weights: False
 training:
-  n_epoch: 30
-  lr: 5e-4
+  n_epoch: 50
+  lr: 2e-3
   lr_decay: 0.83
   weight_decay: 1e-06
   global_grad_clip: 5.0
diff --git a/examples/aishell/local/train.sh b/examples/aishell/local/train.sh
index c286566a8..245ed2172 100644
--- a/examples/aishell/local/train.sh
+++ b/examples/aishell/local/train.sh
@@ -2,7 +2,7 @@
 
 # train model
 # if you wish to resume from an exists model, uncomment --init_from_pretrained_model
-export FLAGS_sync_nccl_allreduce=0
+#export FLAGS_sync_nccl_allreduce=0
 
 ngpu=$(echo ${CUDA_VISIBLE_DEVICES} | python -c 'import sys; a = sys.stdin.read(); print(len(a.split(",")));')
 echo "using $ngpu gpus..."