From 3d9f094e9652d4b84894c6fd4eae39a4a753b0f0 Mon Sep 17 00:00:00 2001
From: 游雁 <zhifu.gzf@alibaba-inc.com>
Date: 星期二, 16 五月 2023 23:48:00 +0800
Subject: [PATCH] train
---
funasr/models/e2e_asr_paraformer.py | 403 ++++++++++++++++++++++++++++++++++++--------------------
1 files changed, 257 insertions(+), 146 deletions(-)
diff --git a/funasr/models/e2e_asr_paraformer.py b/funasr/models/e2e_asr_paraformer.py
index fcef342..00e08b1 100644
--- a/funasr/models/e2e_asr_paraformer.py
+++ b/funasr/models/e2e_asr_paraformer.py
@@ -29,9 +29,8 @@
from funasr.modules.nets_utils import make_pad_mask, pad_list
from funasr.modules.nets_utils import th_accuracy
from funasr.torch_utils.device_funcs import force_gatherable
-from funasr.train.abs_espnet_model import AbsESPnetModel
+from funasr.models.base_model import FunASRModel
from funasr.models.predictor.cif import CifPredictorV3
-
if LooseVersion(torch.__version__) >= LooseVersion("1.6.0"):
from torch.cuda.amp import autocast
@@ -42,7 +41,7 @@
yield
-class Paraformer(AbsESPnetModel):
+class Paraformer(FunASRModel):
"""
Author: Speech Lab of DAMO Academy, Alibaba Group
Paraformer: Fast and Accurate Parallel Transformer for Non-autoregressive End-to-End Speech Recognition
@@ -56,9 +55,7 @@
frontend: Optional[AbsFrontend],
specaug: Optional[AbsSpecAug],
normalize: Optional[AbsNormalize],
- preencoder: Optional[AbsPreEncoder],
encoder: AbsEncoder,
- postencoder: Optional[AbsPostEncoder],
decoder: AbsDecoder,
ctc: CTC,
ctc_weight: float = 0.5,
@@ -79,6 +76,8 @@
predictor_bias: int = 0,
sampling_ratio: float = 0.2,
share_embedding: bool = False,
+ preencoder: Optional[AbsPreEncoder] = None,
+ postencoder: Optional[AbsPostEncoder] = None,
):
assert check_argument_types()
assert 0.0 <= ctc_weight <= 1.0, ctc_weight
@@ -153,7 +152,6 @@
text_lengths: torch.Tensor,
) -> Tuple[torch.Tensor, Dict[str, torch.Tensor], torch.Tensor]:
"""Frontend + Encoder + Decoder + Calc loss
-
Args:
speech: (Batch, Length, ...)
speech_lengths: (Batch, )
@@ -270,7 +268,6 @@
self, speech: torch.Tensor, speech_lengths: torch.Tensor
) -> Tuple[torch.Tensor, torch.Tensor]:
"""Frontend + Encoder. Note that this method is used by asr_inference.py
-
Args:
speech: (Batch, Length, ...)
speech_lengths: (Batch, )
@@ -325,67 +322,12 @@
return encoder_out, encoder_out_lens
- def encode_chunk(
- self, speech: torch.Tensor, speech_lengths: torch.Tensor, cache: dict = None
- ) -> Tuple[torch.Tensor, torch.Tensor]:
- """Frontend + Encoder. Note that this method is used by asr_inference.py
-
- Args:
- speech: (Batch, Length, ...)
- speech_lengths: (Batch, )
- """
- with autocast(False):
- # 1. Extract feats
- feats, feats_lengths = self._extract_feats(speech, speech_lengths)
-
- # 2. Data augmentation
- if self.specaug is not None and self.training:
- feats, feats_lengths = self.specaug(feats, feats_lengths)
-
- # 3. Normalization for feature: e.g. Global-CMVN, Utterance-CMVN
- if self.normalize is not None:
- feats, feats_lengths = self.normalize(feats, feats_lengths)
-
- # Pre-encoder, e.g. used for raw input data
- if self.preencoder is not None:
- feats, feats_lengths = self.preencoder(feats, feats_lengths)
-
- # 4. Forward encoder
- # feats: (Batch, Length, Dim)
- # -> encoder_out: (Batch, Length2, Dim2)
- if self.encoder.interctc_use_conditioning:
- encoder_out, encoder_out_lens, _ = self.encoder.forward_chunk(
- feats, feats_lengths, cache=cache["encoder"], ctc=self.ctc
- )
- else:
- encoder_out, encoder_out_lens, _ = self.encoder.forward_chunk(feats, feats_lengths, cache=cache["encoder"])
- intermediate_outs = None
- if isinstance(encoder_out, tuple):
- intermediate_outs = encoder_out[1]
- encoder_out = encoder_out[0]
-
- # Post-encoder, e.g. NLU
- if self.postencoder is not None:
- encoder_out, encoder_out_lens = self.postencoder(
- encoder_out, encoder_out_lens
- )
-
- if intermediate_outs is not None:
- return (encoder_out, intermediate_outs), encoder_out_lens
-
- return encoder_out, torch.tensor([encoder_out.size(1)])
-
def calc_predictor(self, encoder_out, encoder_out_lens):
encoder_out_mask = (~make_pad_mask(encoder_out_lens, maxlen=encoder_out.size(1))[:, None, :]).to(
encoder_out.device)
pre_acoustic_embeds, pre_token_length, alphas, pre_peak_index = self.predictor(encoder_out, None, encoder_out_mask,
ignore_id=self.ignore_id)
- return pre_acoustic_embeds, pre_token_length, alphas, pre_peak_index
-
- def calc_predictor_chunk(self, encoder_out, cache=None):
-
- pre_acoustic_embeds, pre_token_length, alphas, pre_peak_index = self.predictor.forward_chunk(encoder_out, cache["encoder"])
return pre_acoustic_embeds, pre_token_length, alphas, pre_peak_index
def cal_decoder_with_predictor(self, encoder_out, encoder_out_lens, sematic_embeds, ys_pad_lens):
@@ -396,14 +338,6 @@
decoder_out = decoder_outs[0]
decoder_out = torch.log_softmax(decoder_out, dim=-1)
return decoder_out, ys_pad_lens
-
- def cal_decoder_with_predictor_chunk(self, encoder_out, sematic_embeds, cache=None):
- decoder_outs = self.decoder.forward_chunk(
- encoder_out, sematic_embeds, cache["decoder"]
- )
- decoder_out = decoder_outs
- decoder_out = torch.log_softmax(decoder_out, dim=-1)
- return decoder_out
def _extract_feats(
self, speech: torch.Tensor, speech_lengths: torch.Tensor
@@ -431,9 +365,7 @@
ys_pad_lens: torch.Tensor,
) -> torch.Tensor:
"""Compute negative log likelihood(nll) from transformer-decoder
-
Normally, this function is called in batchify_nll.
-
Args:
encoder_out: (Batch, Length, Dim)
encoder_out_lens: (Batch,)
@@ -470,7 +402,6 @@
batch_size: int = 100,
):
"""Compute negative log likelihood(nll) from transformer-decoder
-
To avoid OOM, this fuction seperate the input into batches.
Then call nll for each batch and combine and return results.
Args:
@@ -610,6 +541,187 @@
return loss_ctc, cer_ctc
+class ParaformerOnline(Paraformer):
+ """
+ Author: Speech Lab, Alibaba Group, China
+ Paraformer: Fast and Accurate Parallel Transformer for Non-autoregressive End-to-End Speech Recognition
+ https://arxiv.org/abs/2206.08317
+ """
+
+ def __init__(
+ self, *args, **kwargs,
+ ):
+ super().__init__(*args, **kwargs)
+
+ def forward(
+ self,
+ speech: torch.Tensor,
+ speech_lengths: torch.Tensor,
+ text: torch.Tensor,
+ text_lengths: torch.Tensor,
+ ) -> Tuple[torch.Tensor, Dict[str, torch.Tensor], torch.Tensor]:
+ """Frontend + Encoder + Decoder + Calc loss
+ Args:
+ speech: (Batch, Length, ...)
+ speech_lengths: (Batch, )
+ text: (Batch, Length)
+ text_lengths: (Batch,)
+ """
+ assert text_lengths.dim() == 1, text_lengths.shape
+ # Check that batch_size is unified
+ assert (
+ speech.shape[0]
+ == speech_lengths.shape[0]
+ == text.shape[0]
+ == text_lengths.shape[0]
+ ), (speech.shape, speech_lengths.shape, text.shape, text_lengths.shape)
+ batch_size = speech.shape[0]
+ self.step_cur += 1
+ # for data-parallel
+ text = text[:, : text_lengths.max()]
+ speech = speech[:, :speech_lengths.max()]
+
+ # 1. Encoder
+ encoder_out, encoder_out_lens = self.encode(speech, speech_lengths)
+ intermediate_outs = None
+ if isinstance(encoder_out, tuple):
+ intermediate_outs = encoder_out[1]
+ encoder_out = encoder_out[0]
+
+ loss_att, acc_att, cer_att, wer_att = None, None, None, None
+ loss_ctc, cer_ctc = None, None
+ loss_pre = None
+ stats = dict()
+
+ # 1. CTC branch
+ if self.ctc_weight != 0.0:
+ loss_ctc, cer_ctc = self._calc_ctc_loss(
+ encoder_out, encoder_out_lens, text, text_lengths
+ )
+
+ # Collect CTC branch stats
+ stats["loss_ctc"] = loss_ctc.detach() if loss_ctc is not None else None
+ stats["cer_ctc"] = cer_ctc
+
+ # Intermediate CTC (optional)
+ loss_interctc = 0.0
+ if self.interctc_weight != 0.0 and intermediate_outs is not None:
+ for layer_idx, intermediate_out in intermediate_outs:
+ # we assume intermediate_out has the same length & padding
+ # as those of encoder_out
+ loss_ic, cer_ic = self._calc_ctc_loss(
+ intermediate_out, encoder_out_lens, text, text_lengths
+ )
+ loss_interctc = loss_interctc + loss_ic
+
+ # Collect Intermedaite CTC stats
+ stats["loss_interctc_layer{}".format(layer_idx)] = (
+ loss_ic.detach() if loss_ic is not None else None
+ )
+ stats["cer_interctc_layer{}".format(layer_idx)] = cer_ic
+
+ loss_interctc = loss_interctc / len(intermediate_outs)
+
+ # calculate whole encoder loss
+ loss_ctc = (
+ 1 - self.interctc_weight
+ ) * loss_ctc + self.interctc_weight * loss_interctc
+
+ # 2b. Attention decoder branch
+ if self.ctc_weight != 1.0:
+ loss_att, acc_att, cer_att, wer_att, loss_pre = self._calc_att_loss(
+ encoder_out, encoder_out_lens, text, text_lengths
+ )
+
+ # 3. CTC-Att loss definition
+ if self.ctc_weight == 0.0:
+ loss = loss_att + loss_pre * self.predictor_weight
+ elif self.ctc_weight == 1.0:
+ loss = loss_ctc
+ else:
+ loss = self.ctc_weight * loss_ctc + (1 - self.ctc_weight) * loss_att + loss_pre * self.predictor_weight
+
+ # Collect Attn branch stats
+ stats["loss_att"] = loss_att.detach() if loss_att is not None else None
+ stats["acc"] = acc_att
+ stats["cer"] = cer_att
+ stats["wer"] = wer_att
+ stats["loss_pre"] = loss_pre.detach().cpu() if loss_pre is not None else None
+
+ stats["loss"] = torch.clone(loss.detach())
+
+ # force_gatherable: to-device and to-tensor if scalar for DataParallel
+ loss, stats, weight = force_gatherable((loss, stats, batch_size), loss.device)
+ return loss, stats, weight
+
+ def encode_chunk(
+ self, speech: torch.Tensor, speech_lengths: torch.Tensor, cache: dict = None
+ ) -> Tuple[torch.Tensor, torch.Tensor]:
+ """Frontend + Encoder. Note that this method is used by asr_inference.py
+<<<<<<< HEAD
+=======
+
+>>>>>>> 4cd79db451786548d8a100f25c3b03da0eb30f4b
+ Args:
+ speech: (Batch, Length, ...)
+ speech_lengths: (Batch, )
+ """
+ with autocast(False):
+ # 1. Extract feats
+ feats, feats_lengths = self._extract_feats(speech, speech_lengths)
+
+ # 2. Data augmentation
+ if self.specaug is not None and self.training:
+ feats, feats_lengths = self.specaug(feats, feats_lengths)
+
+ # 3. Normalization for feature: e.g. Global-CMVN, Utterance-CMVN
+ if self.normalize is not None:
+ feats, feats_lengths = self.normalize(feats, feats_lengths)
+
+ # Pre-encoder, e.g. used for raw input data
+ if self.preencoder is not None:
+ feats, feats_lengths = self.preencoder(feats, feats_lengths)
+
+ # 4. Forward encoder
+ # feats: (Batch, Length, Dim)
+ # -> encoder_out: (Batch, Length2, Dim2)
+ if self.encoder.interctc_use_conditioning:
+ encoder_out, encoder_out_lens, _ = self.encoder.forward_chunk(
+ feats, feats_lengths, cache=cache["encoder"], ctc=self.ctc
+ )
+ else:
+ encoder_out, encoder_out_lens, _ = self.encoder.forward_chunk(feats, feats_lengths, cache=cache["encoder"])
+ intermediate_outs = None
+ if isinstance(encoder_out, tuple):
+ intermediate_outs = encoder_out[1]
+ encoder_out = encoder_out[0]
+
+ # Post-encoder, e.g. NLU
+ if self.postencoder is not None:
+ encoder_out, encoder_out_lens = self.postencoder(
+ encoder_out, encoder_out_lens
+ )
+
+ if intermediate_outs is not None:
+ return (encoder_out, intermediate_outs), encoder_out_lens
+
+ return encoder_out, torch.tensor([encoder_out.size(1)])
+
+ def calc_predictor_chunk(self, encoder_out, cache=None):
+
+ pre_acoustic_embeds, pre_token_length = \
+ self.predictor.forward_chunk(encoder_out, cache["encoder"])
+ return pre_acoustic_embeds, pre_token_length
+
+ def cal_decoder_with_predictor_chunk(self, encoder_out, sematic_embeds, cache=None):
+ decoder_outs = self.decoder.forward_chunk(
+ encoder_out, sematic_embeds, cache["decoder"]
+ )
+ decoder_out = decoder_outs
+ decoder_out = torch.log_softmax(decoder_out, dim=-1)
+ return decoder_out
+
+
class ParaformerBert(Paraformer):
"""
Author: Speech Lab of DAMO Academy, Alibaba Group
@@ -623,9 +735,7 @@
frontend: Optional[AbsFrontend],
specaug: Optional[AbsSpecAug],
normalize: Optional[AbsNormalize],
- preencoder: Optional[AbsPreEncoder],
encoder: AbsEncoder,
- postencoder: Optional[AbsPostEncoder],
decoder: AbsDecoder,
ctc: CTC,
ctc_weight: float = 0.5,
@@ -648,6 +758,8 @@
embeds_id: int = 2,
embeds_loss_weight: float = 0.0,
embed_dims: int = 768,
+ preencoder: Optional[AbsPreEncoder] = None,
+ postencoder: Optional[AbsPostEncoder] = None,
):
assert check_argument_types()
assert 0.0 <= ctc_weight <= 1.0, ctc_weight
@@ -779,7 +891,6 @@
embed_lengths: torch.Tensor = None,
) -> Tuple[torch.Tensor, Dict[str, torch.Tensor], torch.Tensor]:
"""Frontend + Encoder + Decoder + Calc loss
-
Args:
speech: (Batch, Length, ...)
speech_lengths: (Batch, )
@@ -798,9 +909,9 @@
self.step_cur += 1
# for data-parallel
text = text[:, : text_lengths.max()]
- speech = speech[:, :speech_lengths.max(), :]
+ speech = speech[:, :speech_lengths.max()]
if embed is not None:
- embed = embed[:, :embed_lengths.max(), :]
+ embed = embed[:, :embed_lengths.max()]
# 1. Encoder
encoder_out, encoder_out_lens = self.encode(speech, speech_lengths)
@@ -888,74 +999,73 @@
class BiCifParaformer(Paraformer):
-
"""
Paraformer model with an extra cif predictor
to conduct accurate timestamp prediction
"""
def __init__(
- self,
- vocab_size: int,
- token_list: Union[Tuple[str, ...], List[str]],
- frontend: Optional[AbsFrontend],
- specaug: Optional[AbsSpecAug],
- normalize: Optional[AbsNormalize],
- preencoder: Optional[AbsPreEncoder],
- encoder: AbsEncoder,
- postencoder: Optional[AbsPostEncoder],
- decoder: AbsDecoder,
- ctc: CTC,
- ctc_weight: float = 0.5,
- interctc_weight: float = 0.0,
- ignore_id: int = -1,
- blank_id: int = 0,
- sos: int = 1,
- eos: int = 2,
- lsm_weight: float = 0.0,
- length_normalized_loss: bool = False,
- report_cer: bool = True,
- report_wer: bool = True,
- sym_space: str = "<space>",
- sym_blank: str = "<blank>",
- extract_feats_in_collect_stats: bool = True,
- predictor = None,
- predictor_weight: float = 0.0,
- predictor_bias: int = 0,
- sampling_ratio: float = 0.2,
+ self,
+ vocab_size: int,
+ token_list: Union[Tuple[str, ...], List[str]],
+ frontend: Optional[AbsFrontend],
+ specaug: Optional[AbsSpecAug],
+ normalize: Optional[AbsNormalize],
+ encoder: AbsEncoder,
+ decoder: AbsDecoder,
+ ctc: CTC,
+ ctc_weight: float = 0.5,
+ interctc_weight: float = 0.0,
+ ignore_id: int = -1,
+ blank_id: int = 0,
+ sos: int = 1,
+ eos: int = 2,
+ lsm_weight: float = 0.0,
+ length_normalized_loss: bool = False,
+ report_cer: bool = True,
+ report_wer: bool = True,
+ sym_space: str = "<space>",
+ sym_blank: str = "<blank>",
+ extract_feats_in_collect_stats: bool = True,
+ predictor=None,
+ predictor_weight: float = 0.0,
+ predictor_bias: int = 0,
+ sampling_ratio: float = 0.2,
+ preencoder: Optional[AbsPreEncoder] = None,
+ postencoder: Optional[AbsPostEncoder] = None,
):
assert check_argument_types()
assert 0.0 <= ctc_weight <= 1.0, ctc_weight
assert 0.0 <= interctc_weight < 1.0, interctc_weight
super().__init__(
- vocab_size=vocab_size,
- token_list=token_list,
- frontend=frontend,
- specaug=specaug,
- normalize=normalize,
- preencoder=preencoder,
- encoder=encoder,
- postencoder=postencoder,
- decoder=decoder,
- ctc=ctc,
- ctc_weight=ctc_weight,
- interctc_weight=interctc_weight,
- ignore_id=ignore_id,
- blank_id=blank_id,
- sos=sos,
- eos=eos,
- lsm_weight=lsm_weight,
- length_normalized_loss=length_normalized_loss,
- report_cer=report_cer,
- report_wer=report_wer,
- sym_space=sym_space,
- sym_blank=sym_blank,
- extract_feats_in_collect_stats=extract_feats_in_collect_stats,
- predictor=predictor,
- predictor_weight=predictor_weight,
- predictor_bias=predictor_bias,
- sampling_ratio=sampling_ratio,
+ vocab_size=vocab_size,
+ token_list=token_list,
+ frontend=frontend,
+ specaug=specaug,
+ normalize=normalize,
+ preencoder=preencoder,
+ encoder=encoder,
+ postencoder=postencoder,
+ decoder=decoder,
+ ctc=ctc,
+ ctc_weight=ctc_weight,
+ interctc_weight=interctc_weight,
+ ignore_id=ignore_id,
+ blank_id=blank_id,
+ sos=sos,
+ eos=eos,
+ lsm_weight=lsm_weight,
+ length_normalized_loss=length_normalized_loss,
+ report_cer=report_cer,
+ report_wer=report_wer,
+ sym_space=sym_space,
+ sym_blank=sym_blank,
+ extract_feats_in_collect_stats=extract_feats_in_collect_stats,
+ predictor=predictor,
+ predictor_weight=predictor_weight,
+ predictor_bias=predictor_bias,
+ sampling_ratio=sampling_ratio,
)
assert isinstance(self.predictor, CifPredictorV3), "BiCifParaformer should use CIFPredictorV3"
@@ -1030,21 +1140,23 @@
cer_att, wer_att = self.error_calculator(ys_hat.cpu(), ys_pad.cpu())
return loss_att, acc_att, cer_att, wer_att, loss_pre
-
+
def calc_predictor(self, encoder_out, encoder_out_lens):
encoder_out_mask = (~make_pad_mask(encoder_out_lens, maxlen=encoder_out.size(1))[:, None, :]).to(
encoder_out.device)
- pre_acoustic_embeds, pre_token_length, alphas, pre_peak_index, pre_token_length2 = self.predictor(encoder_out, None, encoder_out_mask,
- ignore_id=self.ignore_id)
+ pre_acoustic_embeds, pre_token_length, alphas, pre_peak_index, pre_token_length2 = self.predictor(encoder_out,
+ None,
+ encoder_out_mask,
+ ignore_id=self.ignore_id)
return pre_acoustic_embeds, pre_token_length, alphas, pre_peak_index
-
+
def calc_predictor_timestamp(self, encoder_out, encoder_out_lens, token_num):
encoder_out_mask = (~make_pad_mask(encoder_out_lens, maxlen=encoder_out.size(1))[:, None, :]).to(
encoder_out.device)
ds_alphas, ds_cif_peak, us_alphas, us_peaks = self.predictor.get_upsample_timestamp(encoder_out,
- encoder_out_mask,
- token_num)
+ encoder_out_mask,
+ token_num)
return ds_alphas, ds_cif_peak, us_alphas, us_peaks
def forward(
@@ -1055,7 +1167,6 @@
text_lengths: torch.Tensor,
) -> Tuple[torch.Tensor, Dict[str, torch.Tensor], torch.Tensor]:
"""Frontend + Encoder + Decoder + Calc loss
-
Args:
speech: (Batch, Length, ...)
speech_lengths: (Batch, )
@@ -1138,7 +1249,8 @@
elif self.ctc_weight == 1.0:
loss = loss_ctc
else:
- loss = self.ctc_weight * loss_ctc + (1 - self.ctc_weight) * loss_att + loss_pre * self.predictor_weight + loss_pre2 * self.predictor_weight * 0.5
+ loss = self.ctc_weight * loss_ctc + (
+ 1 - self.ctc_weight) * loss_att + loss_pre * self.predictor_weight + loss_pre2 * self.predictor_weight * 0.5
# Collect Attn branch stats
stats["loss_att"] = loss_att.detach() if loss_att is not None else None
@@ -1167,9 +1279,7 @@
frontend: Optional[AbsFrontend],
specaug: Optional[AbsSpecAug],
normalize: Optional[AbsNormalize],
- preencoder: Optional[AbsPreEncoder],
encoder: AbsEncoder,
- postencoder: Optional[AbsPostEncoder],
decoder: AbsDecoder,
ctc: CTC,
ctc_weight: float = 0.5,
@@ -1199,6 +1309,8 @@
bias_encoder_type: str = 'lstm',
label_bracket: bool = False,
use_decoder_embedding: bool = False,
+ preencoder: Optional[AbsPreEncoder] = None,
+ postencoder: Optional[AbsPostEncoder] = None,
):
assert check_argument_types()
assert 0.0 <= ctc_weight <= 1.0, ctc_weight
@@ -1262,7 +1374,6 @@
text_lengths: torch.Tensor,
) -> Tuple[torch.Tensor, Dict[str, torch.Tensor], torch.Tensor]:
"""Frontend + Encoder + Decoder + Calc loss
-
Args:
speech: (Batch, Length, ...)
speech_lengths: (Batch, )
@@ -1646,4 +1757,4 @@
"torch tensor: {}, {}, loading from tf tensor: {}, {}".format(name, data_tf.size(), name_tf,
var_dict_tf[name_tf].shape))
- return var_dict_torch_update
+ return var_dict_torch_update
\ No newline at end of file
--
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