Update modelscope_models.md

chenmengzheAAA

2023-09-14 30c40c643c19f6e2ac8679fa76d09d0f9ceccc65

 funasr/modules/attention.py

@@ -13,6 +13,10 @@
from torch import nn
from typing import Optional, Tuple

import torch.nn.functional as F
from funasr.modules.nets_utils import make_pad_mask
import funasr.modules.lora.layers as lora

class MultiHeadedAttention(nn.Module):
    """Multi-Head Attention layer.

@@ -318,7 +322,7 @@

    """

    def __init__(self, n_head, in_feat, n_feat, dropout_rate, kernel_size, sanm_shfit=0):
    def __init__(self, n_head, in_feat, n_feat, dropout_rate, kernel_size, sanm_shfit=0, lora_list=None, lora_rank=8, lora_alpha=16, lora_dropout=0.1):
        """Construct an MultiHeadedAttention object."""
        super(MultiHeadedAttentionSANM, self).__init__()
        assert n_feat % n_head == 0
@@ -328,8 +332,19 @@
        # self.linear_q = nn.Linear(n_feat, n_feat)
        # self.linear_k = nn.Linear(n_feat, n_feat)
        # self.linear_v = nn.Linear(n_feat, n_feat)
        self.linear_out = nn.Linear(n_feat, n_feat)
        self.linear_q_k_v = nn.Linear(in_feat, n_feat * 3)
        if lora_list is not None:
            if "o" in lora_list:
                self.linear_out = lora.Linear(n_feat, n_feat, r=lora_rank, lora_alpha=lora_alpha, lora_dropout=lora_dropout)
            else:
                self.linear_out = nn.Linear(n_feat, n_feat)
            lora_qkv_list = ["q" in lora_list, "k" in lora_list, "v" in lora_list]
            if lora_qkv_list == [False, False, False]:
                self.linear_q_k_v = nn.Linear(in_feat, n_feat * 3)
            else:
                self.linear_q_k_v = lora.MergedLinear(in_feat, n_feat * 3, r=lora_rank, lora_alpha=lora_alpha, lora_dropout=lora_dropout, enable_lora=lora_qkv_list)
        else:
            self.linear_out = nn.Linear(n_feat, n_feat)
            self.linear_q_k_v = nn.Linear(in_feat, n_feat * 3)
        self.attn = None
        self.dropout = nn.Dropout(p=dropout_rate)

@@ -540,18 +555,32 @@

    """

    def __init__(self, n_head, n_feat, dropout_rate, encoder_output_size=None):
    def __init__(self, n_head, n_feat, dropout_rate, lora_list=None, lora_rank=8, lora_alpha=16, lora_dropout=0.1, encoder_output_size=None):
        """Construct an MultiHeadedAttention object."""
        super(MultiHeadedAttentionCrossAtt, self).__init__()
        assert n_feat % n_head == 0
        # We assume d_v always equals d_k
        self.d_k = n_feat // n_head
        self.h = n_head
        self.linear_q = nn.Linear(n_feat, n_feat)
        # self.linear_k = nn.Linear(n_feat, n_feat)
        # self.linear_v = nn.Linear(n_feat, n_feat)
        self.linear_k_v = nn.Linear(n_feat if encoder_output_size is None else encoder_output_size, n_feat*2)
        self.linear_out = nn.Linear(n_feat, n_feat)
        if lora_list is not None:
            if "q" in lora_list:
                self.linear_q = lora.Linear(n_feat, n_feat, r=lora_rank, lora_alpha=lora_alpha, lora_dropout=lora_dropout)
            else:
                self.linear_q = nn.Linear(n_feat, n_feat)
            lora_kv_list = ["k" in lora_list, "v" in lora_list]
            if lora_kv_list == [False, False]:
                self.linear_k_v = nn.Linear(n_feat if encoder_output_size is None else encoder_output_size, n_feat*2)
            else:
                self.linear_k_v = lora.MergedLinear(n_feat if encoder_output_size is None else encoder_output_size, n_feat * 2, 
                                      r=lora_rank, lora_alpha=lora_alpha, lora_dropout=lora_dropout, enable_lora=lora_kv_list)
            if "o" in lora_list:
                self.linear_out = lora.Linear(n_feat, n_feat, r=lora_rank, lora_alpha=lora_alpha, lora_dropout=lora_dropout)
            else:
                self.linear_out = nn.Linear(n_feat, n_feat)
        else:
            self.linear_q = nn.Linear(n_feat, n_feat)
            self.linear_k_v = nn.Linear(n_feat if encoder_output_size is None else encoder_output_size, n_feat*2)
            self.linear_out = nn.Linear(n_feat, n_feat)
        self.attn = None
        self.dropout = nn.Dropout(p=dropout_rate)

@@ -959,3 +988,37 @@
        q, k, v = self.forward_qkv(query, key, value)
        scores = self.compute_att_score(q, k, pos_enc, left_context=left_context)
        return self.forward_attention(v, scores, mask, chunk_mask=chunk_mask)


class CosineDistanceAttention(nn.Module):
    """ Compute Cosine Distance between spk decoder output and speaker profile 
    Args:
        profile_path: speaker profile file path (.npy file)
    """

    def __init__(self):
        super().__init__()
        self.softmax = nn.Softmax(dim=-1)

    def forward(self, spk_decoder_out, profile, profile_lens=None):
        """
        Args:
            spk_decoder_out(torch.Tensor):(B, L, D)
            spk_profiles(torch.Tensor):(B, N, D)
        """
        x = spk_decoder_out.unsqueeze(2)  # (B, L, 1, D)
        if profile_lens is not None:
            
            mask = (make_pad_mask(profile_lens)[:, None, :]).to(profile.device)
            min_value = float(
                numpy.finfo(torch.tensor(0, dtype=x.dtype).numpy().dtype).min
            )
            weights_not_softmax=F.cosine_similarity(x, profile.unsqueeze(1), dim=-1).masked_fill(mask, min_value)
            weights = self.softmax(weights_not_softmax).masked_fill(mask, 0.0)  # (B, L, N)
        else:
            x = x[:, -1:, :, :]
            weights_not_softmax=F.cosine_similarity(x, profile.unsqueeze(1).to(x.device), dim=-1)
            weights = self.softmax(weights_not_softmax)  # (B, 1, N)
        spk_embedding = torch.matmul(weights, profile.to(weights.device))  # (B, L, D)

        return spk_embedding, weights