2025-10-16 05:54:40,737 - train - INFO - ConformerModel(
  (subsample): ConvSubsampling(
    (conv): Sequential(
      (0): Conv2d(1, 256, kernel_size=(3, 3), stride=(1, 2), padding=(1, 1))
      (1): ReLU()
      (2): Conv2d(256, 512, kernel_size=(3, 3), stride=(1, 2), padding=(1, 1))
      (3): ReLU()
    )
  )
  (pre_proj): LinearProjection(
    (proj): Linear(in_features=65536, out_features=512, bias=True)
  )
  (pos_enc): RelativePositionalEncoding()
  (blocks): ModuleList(
    (0-15): 16 x ConformerBlock(
      (ff1): FeedForwardModule(
        (layer_norm): LayerNorm((512,), eps=1e-05, elementwise_affine=True)
        (linear1): Linear(in_features=512, out_features=2048, bias=True)
        (swish): Swish()
        (dropout): Dropout(p=0.1, inplace=False)
        (linear2): Linear(in_features=2048, out_features=512, bias=True)
        (dropout2): Dropout(p=0.1, inplace=False)
      )
      (mhsa): MultiHeadSelfAttention(
        (layer_norm): LayerNorm((512,), eps=1e-05, elementwise_affine=True)
        (attn): MultiheadAttention(
          (out_proj): NonDynamicallyQuantizableLinear(in_features=512, out_features=512, bias=True)
        )
        (dropout): Dropout(p=0.1, inplace=False)
      )
      (conv): ConformerConvModule(
        (layer_norm): LayerNorm((512,), eps=1e-05, elementwise_affine=True)
        (pw_conv1): Conv1d(512, 1024, kernel_size=(1,), stride=(1,))
        (glu): GLU(dim=1)
        (dw_conv): Conv1d(512, 512, kernel_size=(31,), stride=(1,), padding=(15,), groups=512)
        (bn): BatchNorm1d(512, eps=1e-05, momentum=0.1, affine=True, track_running_stats=True)
        (swish): Swish()
        (pw_conv2): Conv1d(512, 512, kernel_size=(1,), stride=(1,))
        (dropout): Dropout(p=0.1, inplace=False)
      )
      (ff2): FeedForwardModule(
        (layer_norm): LayerNorm((512,), eps=1e-05, elementwise_affine=True)
        (linear1): Linear(in_features=512, out_features=2048, bias=True)
        (swish): Swish()
        (dropout): Dropout(p=0.1, inplace=False)
        (linear2): Linear(in_features=2048, out_features=512, bias=True)
        (dropout2): Dropout(p=0.1, inplace=False)
      )
      (final_ln): LayerNorm((512,), eps=1e-05, elementwise_affine=True)
    )
  )
  (ctc_head): Linear(in_features=512, out_features=4001, bias=True)
)
All parameters: 133758881
Trainable parameters: 133758881
2025-10-16 05:54:40,782 - torchaudio.utils.download - INFO - The local file (/home/jovyan/.cache/torch/hub/torchaudio/decoder-assets/librispeech-4-gram/lexicon.txt) exists. Skipping the download.
2025-10-16 05:54:40,784 - torchaudio.utils.download - INFO - The local file (/home/jovyan/.cache/torch/hub/torchaudio/decoder-assets/librispeech-4-gram/tokens.txt) exists. Skipping the download.
2025-10-16 05:54:40,785 - torchaudio.utils.download - INFO - The local file (/home/jovyan/.cache/torch/hub/torchaudio/decoder-assets/librispeech-4-gram/lm.bin) exists. Skipping the download.
2025-10-16 05:54:41,081 - pyctcdecode.decoder - WARNING - Unigrams not provided and cannot be automatically determined from LM file (only arpa format). Decoding accuracy might be reduced.
2025-10-16 05:54:41,082 - pyctcdecode.alphabet - INFO - Alphabet determined to be of BPE style.
2025-10-16 05:54:41,084 - pyctcdecode.alphabet - INFO - Found <unk> in vocabulary, substituting with ▁⁇▁.
2025-10-16 05:54:41,084 - pyctcdecode.language_model - WARNING - No known unigrams provided, decoding results might be a lot worse.
2025-10-16 05:54:41,088 - torchaudio.utils.download - INFO - The local file (/home/jovyan/.cache/torch/hub/torchaudio/decoder-assets/librispeech-4-gram/lexicon.txt) exists. Skipping the download.
2025-10-16 05:54:41,088 - torchaudio.utils.download - INFO - The local file (/home/jovyan/.cache/torch/hub/torchaudio/decoder-assets/librispeech-4-gram/tokens.txt) exists. Skipping the download.
2025-10-16 05:54:41,089 - torchaudio.utils.download - INFO - The local file (/home/jovyan/.cache/torch/hub/torchaudio/decoder-assets/librispeech-4-gram/lm.bin) exists. Skipping the download.
2025-10-16 05:54:41,336 - pyctcdecode.decoder - WARNING - Unigrams not provided and cannot be automatically determined from LM file (only arpa format). Decoding accuracy might be reduced.
2025-10-16 05:54:41,338 - pyctcdecode.alphabet - INFO - Alphabet determined to be of BPE style.
2025-10-16 05:54:41,340 - pyctcdecode.alphabet - INFO - Found <unk> in vocabulary, substituting with ▁⁇▁.
2025-10-16 05:54:41,340 - pyctcdecode.language_model - WARNING - No known unigrams provided, decoding results might be a lot worse.
2025-10-16 06:10:32,268 - train - INFO -     epoch          : 1
2025-10-16 06:10:32,270 - train - INFO -     loss           : 6.484967002868652
2025-10-16 06:10:32,271 - train - INFO -     grad_norm      : 1.9687985515594482
2025-10-16 06:10:32,272 - train - INFO -     val_loss       : 6.557441499811658
2025-10-16 06:10:32,273 - train - INFO -     val_CER_(Argmax): 1.0
2025-10-16 06:10:32,274 - train - INFO -     val_WER_(Argmax): 1.0
2025-10-16 06:10:32,275 - train - INFO -     test_loss      : 6.5487777634364805
2025-10-16 06:10:32,276 - train - INFO -     test_CER_(Argmax): 1.0
2025-10-16 06:10:32,277 - train - INFO -     test_WER_(Argmax): 1.0
2025-10-16 06:10:35,207 - train - INFO - Saving current best: model_best.pth ...
2025-10-16 06:29:06,374 - train - INFO -     epoch          : 2
2025-10-16 06:29:06,376 - train - INFO -     loss           : 4.268152170181274
2025-10-16 06:29:06,377 - train - INFO -     grad_norm      : 2.9024139738082884
2025-10-16 06:29:06,378 - train - INFO -     val_loss       : 4.269274281326836
2025-10-16 06:29:06,379 - train - INFO -     val_CER_(Argmax): 0.6254875798647971
2025-10-16 06:29:06,380 - train - INFO -     val_WER_(Argmax): 0.7777343786937407
2025-10-16 06:29:06,381 - train - INFO -     test_loss      : 4.2218141235956335
2025-10-16 06:29:06,381 - train - INFO -     test_CER_(Argmax): 0.6175244368536745
2025-10-16 06:29:06,382 - train - INFO -     test_WER_(Argmax): 0.7649508240659034
2025-10-16 06:29:09,397 - train - INFO - Saving current best: model_best.pth ...
2025-10-16 06:47:24,767 - train - INFO -     epoch          : 3
2025-10-16 06:47:24,769 - train - INFO -     loss           : 2.838803277015686
2025-10-16 06:47:24,770 - train - INFO -     grad_norm      : 3.8511923122406007
2025-10-16 06:47:24,771 - train - INFO -     val_loss       : 3.151403150614902
2025-10-16 06:47:24,772 - train - INFO -     val_CER_(Argmax): 0.5166045467920652
2025-10-16 06:47:24,773 - train - INFO -     val_WER_(Argmax): 0.6390588393546393
2025-10-16 06:47:24,774 - train - INFO -     test_loss      : 3.087251373907415
2025-10-16 06:47:24,775 - train - INFO -     test_CER_(Argmax): 0.5054364771394182
2025-10-16 06:47:24,776 - train - INFO -     test_WER_(Argmax): 0.6240195606539445
2025-10-16 06:47:27,893 - train - INFO - Saving current best: model_best.pth ...
2025-10-16 07:05:26,375 - train - INFO -     epoch          : 4
2025-10-16 07:05:26,377 - train - INFO -     loss           : 2.192830967903137
2025-10-16 07:05:26,378 - train - INFO -     grad_norm      : 4.998111395835877
2025-10-16 07:05:26,379 - train - INFO -     val_loss       : 2.4318968276300374
2025-10-16 07:05:26,380 - train - INFO -     val_CER_(Argmax): 0.3702031224175337
2025-10-16 07:05:26,381 - train - INFO -     val_WER_(Argmax): 0.4860901782518249
2025-10-16 07:05:26,382 - train - INFO -     test_loss      : 2.3799445985293968
2025-10-16 07:05:26,383 - train - INFO -     test_CER_(Argmax): 0.36083352099915417
2025-10-16 07:05:26,383 - train - INFO -     test_WER_(Argmax): 0.4686573810151683
2025-10-16 07:05:29,594 - train - INFO - Saving current best: model_best.pth ...
2025-10-16 07:23:08,170 - train - INFO -     epoch          : 5
2025-10-16 07:23:08,172 - train - INFO -     loss           : 1.7771303844451904
2025-10-16 07:23:08,173 - train - INFO -     grad_norm      : 3.3251154708862303
2025-10-16 07:23:08,174 - train - INFO -     val_loss       : 2.090497947303501
2025-10-16 07:23:08,175 - train - INFO -     val_CER_(Argmax): 0.3058225246754419
2025-10-16 07:23:08,176 - train - INFO -     val_WER_(Argmax): 0.41335918917225634
2025-10-16 07:23:08,177 - train - INFO -     test_loss      : 2.0416752507046954
2025-10-16 07:23:08,178 - train - INFO -     test_CER_(Argmax): 0.301632438606397
2025-10-16 07:23:08,179 - train - INFO -     test_WER_(Argmax): 0.40348729998697674
2025-10-16 07:23:11,300 - train - INFO - Saving current best: model_best.pth ...
2025-10-16 07:40:48,673 - train - INFO -     epoch          : 6
2025-10-16 07:40:48,674 - train - INFO -     loss           : 1.5190469789505006
2025-10-16 07:40:48,675 - train - INFO -     grad_norm      : 4.879570946693421
2025-10-16 07:40:48,676 - train - INFO -     val_loss       : 1.8886281943180152
2025-10-16 07:40:48,677 - train - INFO -     val_CER_(Argmax): 0.2587877130236596
2025-10-16 07:40:48,678 - train - INFO -     val_WER_(Argmax): 0.3641306866341728
2025-10-16 07:40:48,679 - train - INFO -     test_loss      : 1.8447027896962516
2025-10-16 07:40:48,680 - train - INFO -     test_CER_(Argmax): 0.25522096907582587
2025-10-16 07:40:48,681 - train - INFO -     test_WER_(Argmax): 0.35652121745180754
2025-10-16 07:40:51,912 - train - INFO - Saving current best: model_best.pth ...
2025-10-16 07:58:17,171 - train - INFO -     epoch          : 7
2025-10-16 07:58:17,173 - train - INFO -     loss           : 1.3213079261779785
2025-10-16 07:58:17,174 - train - INFO -     grad_norm      : 3.091304955482483
2025-10-16 07:58:17,175 - train - INFO -     val_loss       : 1.6745866332533796
2025-10-16 07:58:17,176 - train - INFO -     val_CER_(Argmax): 0.23459130517693363
2025-10-16 07:58:17,177 - train - INFO -     val_WER_(Argmax): 0.32632182944035326
2025-10-16 07:58:17,178 - train - INFO -     test_loss      : 1.6451512444310072
2025-10-16 07:58:17,179 - train - INFO -     test_CER_(Argmax): 0.2309938232961261
2025-10-16 07:58:17,179 - train - INFO -     test_WER_(Argmax): 0.31975252493656187
2025-10-16 07:58:20,480 - train - INFO - Saving current best: model_best.pth ...
2025-10-16 08:15:34,076 - train - INFO -     epoch          : 8
2025-10-16 08:15:34,078 - train - INFO -     loss           : 1.183221834897995
2025-10-16 08:15:34,079 - train - INFO -     grad_norm      : 3.291339592933655
2025-10-16 08:15:34,080 - train - INFO -     val_loss       : 1.5990028621176997
2025-10-16 08:15:34,081 - train - INFO -     val_CER_(Argmax): 0.22179282085217464
2025-10-16 08:15:34,081 - train - INFO -     val_WER_(Argmax): 0.3144853777979456
2025-10-16 08:15:34,082 - train - INFO -     test_loss      : 1.5695159406196781
2025-10-16 08:15:34,083 - train - INFO -     test_CER_(Argmax): 0.21839530817241426
2025-10-16 08:15:34,084 - train - INFO -     test_WER_(Argmax): 0.30507432777976795
2025-10-16 08:15:37,270 - train - INFO - Saving current best: model_best.pth ...
2025-10-16 08:32:47,776 - train - INFO -     epoch          : 9
2025-10-16 08:32:47,778 - train - INFO -     loss           : 1.0919397461414337
2025-10-16 08:32:47,779 - train - INFO -     grad_norm      : 3.284881491661072
2025-10-16 08:32:47,780 - train - INFO -     val_loss       : 1.572082411608047
2025-10-16 08:32:47,781 - train - INFO -     val_CER_(Argmax): 0.21293784639291272
2025-10-16 08:32:47,782 - train - INFO -     val_WER_(Argmax): 0.3055497990807289
2025-10-16 08:32:47,783 - train - INFO -     test_loss      : 1.5450149919928573
2025-10-16 08:32:47,784 - train - INFO -     test_CER_(Argmax): 0.21150730980404384
2025-10-16 08:32:47,784 - train - INFO -     test_WER_(Argmax): 0.3003562421297586
2025-10-16 08:32:50,854 - train - INFO - Saving current best: model_best.pth ...
2025-10-16 08:50:16,474 - train - INFO -     epoch          : 10
2025-10-16 08:50:16,476 - train - INFO -     loss           : 1.0653285849094392
2025-10-16 08:50:16,477 - train - INFO -     grad_norm      : 4.006628918647766
2025-10-16 08:50:16,478 - train - INFO -     val_loss       : 1.569695869846457
2025-10-16 08:50:16,479 - train - INFO -     val_CER_(Argmax): 0.21037508214070705
2025-10-16 08:50:16,480 - train - INFO -     val_WER_(Argmax): 0.3034500641559552
2025-10-16 08:50:16,481 - train - INFO -     test_loss      : 1.5422128947769724
2025-10-16 08:50:16,482 - train - INFO -     test_CER_(Argmax): 0.20823097080717934
2025-10-16 08:50:16,483 - train - INFO -     test_WER_(Argmax): 0.2974072927860874
2025-10-16 08:50:19,866 - train - INFO - Saving current best: model_best.pth ...