From bcf6be4c902bda2b2ae16ee018bf223d7bf7b590 Mon Sep 17 00:00:00 2001
From: Lizerui9926 <110582652+Lizerui9926@users.noreply.github.com>
Date: 星期三, 08 二月 2023 19:13:57 +0800
Subject: [PATCH] Merge pull request #74 from alibaba-damo-academy/dev_gzf
---
funasr/export/models/encoder/sanm_encoder.py | 109 ++++++++++++++++++++++++++++++++++++++++++++++++++++++
1 files changed, 109 insertions(+), 0 deletions(-)
diff --git a/funasr/export/models/encoder/sanm_encoder.py b/funasr/export/models/encoder/sanm_encoder.py
new file mode 100644
index 0000000..8a50538
--- /dev/null
+++ b/funasr/export/models/encoder/sanm_encoder.py
@@ -0,0 +1,109 @@
+import torch
+import torch.nn as nn
+
+from funasr.export.utils.torch_function import MakePadMask
+from funasr.export.utils.torch_function import sequence_mask
+from funasr.modules.attention import MultiHeadedAttentionSANM
+from funasr.export.models.modules.multihead_att import MultiHeadedAttentionSANM as MultiHeadedAttentionSANM_export
+from funasr.export.models.modules.encoder_layer import EncoderLayerSANM as EncoderLayerSANM_export
+from funasr.modules.positionwise_feed_forward import PositionwiseFeedForward
+from funasr.export.models.modules.feedforward import PositionwiseFeedForward as PositionwiseFeedForward_export
+
+class SANMEncoder(nn.Module):
+ def __init__(
+ self,
+ model,
+ max_seq_len=512,
+ feats_dim=560,
+ model_name='encoder',
+ onnx: bool = True,
+ ):
+ super().__init__()
+ self.embed = model.embed
+ self.model = model
+ self.feats_dim = feats_dim
+ self._output_size = model._output_size
+
+ if onnx:
+ self.make_pad_mask = MakePadMask(max_seq_len, flip=False)
+ else:
+ self.make_pad_mask = sequence_mask(max_seq_len, flip=False)
+
+ if hasattr(model, 'encoders0'):
+ for i, d in enumerate(self.model.encoders0):
+ if isinstance(d.self_attn, MultiHeadedAttentionSANM):
+ d.self_attn = MultiHeadedAttentionSANM_export(d.self_attn)
+ if isinstance(d.feed_forward, PositionwiseFeedForward):
+ d.feed_forward = PositionwiseFeedForward_export(d.feed_forward)
+ self.model.encoders0[i] = EncoderLayerSANM_export(d)
+
+ for i, d in enumerate(self.model.encoders):
+ if isinstance(d.self_attn, MultiHeadedAttentionSANM):
+ d.self_attn = MultiHeadedAttentionSANM_export(d.self_attn)
+ if isinstance(d.feed_forward, PositionwiseFeedForward):
+ d.feed_forward = PositionwiseFeedForward_export(d.feed_forward)
+ self.model.encoders[i] = EncoderLayerSANM_export(d)
+
+ self.model_name = model_name
+ self.num_heads = model.encoders[0].self_attn.h
+ self.hidden_size = model.encoders[0].self_attn.linear_out.out_features
+
+
+ def prepare_mask(self, mask):
+ mask_3d_btd = mask[:, :, None]
+ if len(mask.shape) == 2:
+ mask_4d_bhlt = 1 - mask[:, None, None, :]
+ elif len(mask.shape) == 3:
+ mask_4d_bhlt = 1 - mask[:, None, :]
+ mask_4d_bhlt = mask_4d_bhlt * -10000.0
+
+ return mask_3d_btd, mask_4d_bhlt
+
+ def forward(self,
+ speech: torch.Tensor,
+ speech_lengths: torch.Tensor,
+ ):
+ speech = speech * self._output_size ** 0.5
+ mask = self.make_pad_mask(speech_lengths)
+ mask = self.prepare_mask(mask)
+ if self.embed is None:
+ xs_pad = speech
+ else:
+ xs_pad = self.embed(speech)
+
+ encoder_outs = self.model.encoders0(xs_pad, mask)
+ xs_pad, masks = encoder_outs[0], encoder_outs[1]
+
+ encoder_outs = self.model.encoders(xs_pad, mask)
+ xs_pad, masks = encoder_outs[0], encoder_outs[1]
+
+ xs_pad = self.model.after_norm(xs_pad)
+
+ return xs_pad, speech_lengths
+
+ def get_output_size(self):
+ return self.model.encoders[0].size
+
+ def get_dummy_inputs(self):
+ feats = torch.randn(1, 100, self.feats_dim)
+ return (feats)
+
+ def get_input_names(self):
+ return ['feats']
+
+ def get_output_names(self):
+ return ['encoder_out', 'encoder_out_lens', 'predictor_weight']
+
+ def get_dynamic_axes(self):
+ return {
+ 'feats': {
+ 1: 'feats_length'
+ },
+ 'encoder_out': {
+ 1: 'enc_out_length'
+ },
+ 'predictor_weight':{
+ 1: 'pre_out_length'
+ }
+
+ }
--
Gitblit v1.9.1