From ddbc8b5eded1fff6084001d160d46b532020ecb7 Mon Sep 17 00:00:00 2001
From: Shi Xian <40013335+R1ckShi@users.noreply.github.com>
Date: 星期一, 15 一月 2024 20:36:20 +0800
Subject: [PATCH] Merge pull request #1247 from alibaba-damo-academy/funasr1.0
---
funasr/models/scama/chunk_utilis.py | 644 +++++++++++++++++++++++++++++-----------------------------
1 files changed, 321 insertions(+), 323 deletions(-)
diff --git a/funasr/models/scama/chunk_utilis.py b/funasr/models/scama/chunk_utilis.py
index e90ab62..245d282 100644
--- a/funasr/models/scama/chunk_utilis.py
+++ b/funasr/models/scama/chunk_utilis.py
@@ -1,289 +1,287 @@
-
+import math
import torch
import numpy as np
-import math
-from funasr.models.transformer.utils.nets_utils import make_pad_mask
-import logging
import torch.nn.functional as F
-from funasr.models.scama.utils import sequence_mask
+from funasr.models.scama.utils import sequence_mask
+from funasr.models.transformer.utils.nets_utils import make_pad_mask
class overlap_chunk():
- """
- Author: Speech Lab of DAMO Academy, Alibaba Group
- San-m: Memory equipped self-attention for end-to-end speech recognition
- https://arxiv.org/abs/2006.01713
+ """
+ Author: Speech Lab of DAMO Academy, Alibaba Group
+ San-m: Memory equipped self-attention for end-to-end speech recognition
+ https://arxiv.org/abs/2006.01713
- """
- def __init__(self,
- chunk_size: tuple = (16,),
- stride: tuple = (10,),
- pad_left: tuple = (0,),
- encoder_att_look_back_factor: tuple = (1,),
+ """
+ def __init__(self,
+ chunk_size: tuple = (16,),
+ stride: tuple = (10,),
+ pad_left: tuple = (0,),
+ encoder_att_look_back_factor: tuple = (1,),
shfit_fsmn: int = 0,
decoder_att_look_back_factor: tuple = (1,),
- ):
+ ):
- pad_left = self.check_chunk_size_args(chunk_size, pad_left)
- encoder_att_look_back_factor = self.check_chunk_size_args(chunk_size, encoder_att_look_back_factor)
- decoder_att_look_back_factor = self.check_chunk_size_args(chunk_size, decoder_att_look_back_factor)
- self.chunk_size, self.stride, self.pad_left, self.encoder_att_look_back_factor, self.decoder_att_look_back_factor \
- = chunk_size, stride, pad_left, encoder_att_look_back_factor, decoder_att_look_back_factor
- self.shfit_fsmn = shfit_fsmn
- self.x_add_mask = None
- self.x_rm_mask = None
- self.x_len = None
- self.mask_shfit_chunk = None
- self.mask_chunk_predictor = None
- self.mask_att_chunk_encoder = None
- self.mask_shift_att_chunk_decoder = None
- self.chunk_outs = None
- self.chunk_size_cur, self.stride_cur, self.pad_left_cur, self.encoder_att_look_back_factor_cur, self.chunk_size_pad_shift_cur \
- = None, None, None, None, None
+ pad_left = self.check_chunk_size_args(chunk_size, pad_left)
+ encoder_att_look_back_factor = self.check_chunk_size_args(chunk_size, encoder_att_look_back_factor)
+ decoder_att_look_back_factor = self.check_chunk_size_args(chunk_size, decoder_att_look_back_factor)
+ self.chunk_size, self.stride, self.pad_left, self.encoder_att_look_back_factor, self.decoder_att_look_back_factor \
+ = chunk_size, stride, pad_left, encoder_att_look_back_factor, decoder_att_look_back_factor
+ self.shfit_fsmn = shfit_fsmn
+ self.x_add_mask = None
+ self.x_rm_mask = None
+ self.x_len = None
+ self.mask_shfit_chunk = None
+ self.mask_chunk_predictor = None
+ self.mask_att_chunk_encoder = None
+ self.mask_shift_att_chunk_decoder = None
+ self.chunk_outs = None
+ self.chunk_size_cur, self.stride_cur, self.pad_left_cur, self.encoder_att_look_back_factor_cur, self.chunk_size_pad_shift_cur \
+ = None, None, None, None, None
- def check_chunk_size_args(self, chunk_size, x):
- if len(x) < len(chunk_size):
- x = [x[0] for i in chunk_size]
- return x
+ def check_chunk_size_args(self, chunk_size, x):
+ if len(x) < len(chunk_size):
+ x = [x[0] for i in chunk_size]
+ return x
- def get_chunk_size(self,
- ind: int = 0
- ):
- # with torch.no_grad:
- chunk_size, stride, pad_left, encoder_att_look_back_factor, decoder_att_look_back_factor = \
- self.chunk_size[ind], self.stride[ind], self.pad_left[ind], self.encoder_att_look_back_factor[ind], self.decoder_att_look_back_factor[ind]
- self.chunk_size_cur, self.stride_cur, self.pad_left_cur, self.encoder_att_look_back_factor_cur, self.chunk_size_pad_shift_cur, self.decoder_att_look_back_factor_cur \
- = chunk_size, stride, pad_left, encoder_att_look_back_factor, chunk_size + self.shfit_fsmn, decoder_att_look_back_factor
- return self.chunk_size_cur, self.stride_cur, self.pad_left_cur, self.encoder_att_look_back_factor_cur, self.chunk_size_pad_shift_cur
+ def get_chunk_size(self,
+ ind: int = 0
+ ):
+ # with torch.no_grad:
+ chunk_size, stride, pad_left, encoder_att_look_back_factor, decoder_att_look_back_factor = \
+ self.chunk_size[ind], self.stride[ind], self.pad_left[ind], self.encoder_att_look_back_factor[ind], self.decoder_att_look_back_factor[ind]
+ self.chunk_size_cur, self.stride_cur, self.pad_left_cur, self.encoder_att_look_back_factor_cur, self.chunk_size_pad_shift_cur, self.decoder_att_look_back_factor_cur \
+ = chunk_size, stride, pad_left, encoder_att_look_back_factor, chunk_size + self.shfit_fsmn, decoder_att_look_back_factor
+ return self.chunk_size_cur, self.stride_cur, self.pad_left_cur, self.encoder_att_look_back_factor_cur, self.chunk_size_pad_shift_cur
- def random_choice(self, training=True, decoding_ind=None):
- chunk_num = len(self.chunk_size)
- ind = 0
- if training and chunk_num > 1:
- ind = torch.randint(0, chunk_num, ()).cpu().item()
- if not training and decoding_ind is not None:
- ind = int(decoding_ind)
+ def random_choice(self, training=True, decoding_ind=None):
+ chunk_num = len(self.chunk_size)
+ ind = 0
+ if training and chunk_num > 1:
+ ind = torch.randint(0, chunk_num, ()).cpu().item()
+ if not training and decoding_ind is not None:
+ ind = int(decoding_ind)
- return ind
+ return ind
- def gen_chunk_mask(self, x_len, ind=0, num_units=1, num_units_predictor=1):
+ def gen_chunk_mask(self, x_len, ind=0, num_units=1, num_units_predictor=1):
- with torch.no_grad():
- x_len = x_len.cpu().numpy()
- x_len_max = x_len.max()
+ with torch.no_grad():
+ x_len = x_len.cpu().numpy()
+ x_len_max = x_len.max()
- chunk_size, stride, pad_left, encoder_att_look_back_factor, chunk_size_pad_shift = self.get_chunk_size(ind)
- shfit_fsmn = self.shfit_fsmn
- pad_right = chunk_size - stride - pad_left
+ chunk_size, stride, pad_left, encoder_att_look_back_factor, chunk_size_pad_shift = self.get_chunk_size(ind)
+ shfit_fsmn = self.shfit_fsmn
+ pad_right = chunk_size - stride - pad_left
- chunk_num_batch = np.ceil(x_len/stride).astype(np.int32)
- x_len_chunk = (chunk_num_batch-1) * chunk_size_pad_shift + shfit_fsmn + pad_left + 0 + x_len - (chunk_num_batch-1) * stride
- x_len_chunk = x_len_chunk.astype(x_len.dtype)
- x_len_chunk_max = x_len_chunk.max()
+ chunk_num_batch = np.ceil(x_len/stride).astype(np.int32)
+ x_len_chunk = (chunk_num_batch-1) * chunk_size_pad_shift + shfit_fsmn + pad_left + 0 + x_len - (chunk_num_batch-1) * stride
+ x_len_chunk = x_len_chunk.astype(x_len.dtype)
+ x_len_chunk_max = x_len_chunk.max()
- chunk_num = int(math.ceil(x_len_max/stride))
- dtype = np.int32
- max_len_for_x_mask_tmp = max(chunk_size, x_len_max + pad_left)
- x_add_mask = np.zeros([0, max_len_for_x_mask_tmp], dtype=dtype)
- x_rm_mask = np.zeros([max_len_for_x_mask_tmp, 0], dtype=dtype)
- mask_shfit_chunk = np.zeros([0, num_units], dtype=dtype)
- mask_chunk_predictor = np.zeros([0, num_units_predictor], dtype=dtype)
- mask_shift_att_chunk_decoder = np.zeros([0, 1], dtype=dtype)
- mask_att_chunk_encoder = np.zeros([0, chunk_num*chunk_size_pad_shift], dtype=dtype)
- for chunk_ids in range(chunk_num):
- # x_mask add
- fsmn_padding = np.zeros((shfit_fsmn, max_len_for_x_mask_tmp), dtype=dtype)
- x_mask_cur = np.diag(np.ones(chunk_size, dtype=np.float32))
- x_mask_pad_left = np.zeros((chunk_size, chunk_ids * stride), dtype=dtype)
- x_mask_pad_right = np.zeros((chunk_size, max_len_for_x_mask_tmp), dtype=dtype)
- x_cur_pad = np.concatenate([x_mask_pad_left, x_mask_cur, x_mask_pad_right], axis=1)
- x_cur_pad = x_cur_pad[:chunk_size, :max_len_for_x_mask_tmp]
- x_add_mask_fsmn = np.concatenate([fsmn_padding, x_cur_pad], axis=0)
- x_add_mask = np.concatenate([x_add_mask, x_add_mask_fsmn], axis=0)
+ chunk_num = int(math.ceil(x_len_max/stride))
+ dtype = np.int32
+ max_len_for_x_mask_tmp = max(chunk_size, x_len_max + pad_left)
+ x_add_mask = np.zeros([0, max_len_for_x_mask_tmp], dtype=dtype)
+ x_rm_mask = np.zeros([max_len_for_x_mask_tmp, 0], dtype=dtype)
+ mask_shfit_chunk = np.zeros([0, num_units], dtype=dtype)
+ mask_chunk_predictor = np.zeros([0, num_units_predictor], dtype=dtype)
+ mask_shift_att_chunk_decoder = np.zeros([0, 1], dtype=dtype)
+ mask_att_chunk_encoder = np.zeros([0, chunk_num*chunk_size_pad_shift], dtype=dtype)
+ for chunk_ids in range(chunk_num):
+ # x_mask add
+ fsmn_padding = np.zeros((shfit_fsmn, max_len_for_x_mask_tmp), dtype=dtype)
+ x_mask_cur = np.diag(np.ones(chunk_size, dtype=np.float32))
+ x_mask_pad_left = np.zeros((chunk_size, chunk_ids * stride), dtype=dtype)
+ x_mask_pad_right = np.zeros((chunk_size, max_len_for_x_mask_tmp), dtype=dtype)
+ x_cur_pad = np.concatenate([x_mask_pad_left, x_mask_cur, x_mask_pad_right], axis=1)
+ x_cur_pad = x_cur_pad[:chunk_size, :max_len_for_x_mask_tmp]
+ x_add_mask_fsmn = np.concatenate([fsmn_padding, x_cur_pad], axis=0)
+ x_add_mask = np.concatenate([x_add_mask, x_add_mask_fsmn], axis=0)
- # x_mask rm
- fsmn_padding = np.zeros((max_len_for_x_mask_tmp, shfit_fsmn),dtype=dtype)
- padding_mask_left = np.zeros((max_len_for_x_mask_tmp, pad_left),dtype=dtype)
- padding_mask_right = np.zeros((max_len_for_x_mask_tmp, pad_right), dtype=dtype)
- x_mask_cur = np.diag(np.ones(stride, dtype=dtype))
- x_mask_cur_pad_top = np.zeros((chunk_ids*stride, stride), dtype=dtype)
- x_mask_cur_pad_bottom = np.zeros((max_len_for_x_mask_tmp, stride), dtype=dtype)
- x_rm_mask_cur = np.concatenate([x_mask_cur_pad_top, x_mask_cur, x_mask_cur_pad_bottom], axis=0)
- x_rm_mask_cur = x_rm_mask_cur[:max_len_for_x_mask_tmp, :stride]
- x_rm_mask_cur_fsmn = np.concatenate([fsmn_padding, padding_mask_left, x_rm_mask_cur, padding_mask_right], axis=1)
- x_rm_mask = np.concatenate([x_rm_mask, x_rm_mask_cur_fsmn], axis=1)
+ # x_mask rm
+ fsmn_padding = np.zeros((max_len_for_x_mask_tmp, shfit_fsmn),dtype=dtype)
+ padding_mask_left = np.zeros((max_len_for_x_mask_tmp, pad_left),dtype=dtype)
+ padding_mask_right = np.zeros((max_len_for_x_mask_tmp, pad_right), dtype=dtype)
+ x_mask_cur = np.diag(np.ones(stride, dtype=dtype))
+ x_mask_cur_pad_top = np.zeros((chunk_ids*stride, stride), dtype=dtype)
+ x_mask_cur_pad_bottom = np.zeros((max_len_for_x_mask_tmp, stride), dtype=dtype)
+ x_rm_mask_cur = np.concatenate([x_mask_cur_pad_top, x_mask_cur, x_mask_cur_pad_bottom], axis=0)
+ x_rm_mask_cur = x_rm_mask_cur[:max_len_for_x_mask_tmp, :stride]
+ x_rm_mask_cur_fsmn = np.concatenate([fsmn_padding, padding_mask_left, x_rm_mask_cur, padding_mask_right], axis=1)
+ x_rm_mask = np.concatenate([x_rm_mask, x_rm_mask_cur_fsmn], axis=1)
- # fsmn_padding_mask
- pad_shfit_mask = np.zeros([shfit_fsmn, num_units], dtype=dtype)
- ones_1 = np.ones([chunk_size, num_units], dtype=dtype)
- mask_shfit_chunk_cur = np.concatenate([pad_shfit_mask, ones_1], axis=0)
- mask_shfit_chunk = np.concatenate([mask_shfit_chunk, mask_shfit_chunk_cur], axis=0)
+ # fsmn_padding_mask
+ pad_shfit_mask = np.zeros([shfit_fsmn, num_units], dtype=dtype)
+ ones_1 = np.ones([chunk_size, num_units], dtype=dtype)
+ mask_shfit_chunk_cur = np.concatenate([pad_shfit_mask, ones_1], axis=0)
+ mask_shfit_chunk = np.concatenate([mask_shfit_chunk, mask_shfit_chunk_cur], axis=0)
- # predictor mask
- zeros_1 = np.zeros([shfit_fsmn + pad_left, num_units_predictor], dtype=dtype)
- ones_2 = np.ones([stride, num_units_predictor], dtype=dtype)
- zeros_3 = np.zeros([chunk_size - stride - pad_left, num_units_predictor], dtype=dtype)
- ones_zeros = np.concatenate([ones_2, zeros_3], axis=0)
- mask_chunk_predictor_cur = np.concatenate([zeros_1, ones_zeros], axis=0)
- mask_chunk_predictor = np.concatenate([mask_chunk_predictor, mask_chunk_predictor_cur], axis=0)
+ # predictor mask
+ zeros_1 = np.zeros([shfit_fsmn + pad_left, num_units_predictor], dtype=dtype)
+ ones_2 = np.ones([stride, num_units_predictor], dtype=dtype)
+ zeros_3 = np.zeros([chunk_size - stride - pad_left, num_units_predictor], dtype=dtype)
+ ones_zeros = np.concatenate([ones_2, zeros_3], axis=0)
+ mask_chunk_predictor_cur = np.concatenate([zeros_1, ones_zeros], axis=0)
+ mask_chunk_predictor = np.concatenate([mask_chunk_predictor, mask_chunk_predictor_cur], axis=0)
- # encoder att mask
- zeros_1_top = np.zeros([shfit_fsmn, chunk_num*chunk_size_pad_shift], dtype=dtype)
+ # encoder att mask
+ zeros_1_top = np.zeros([shfit_fsmn, chunk_num*chunk_size_pad_shift], dtype=dtype)
- zeros_2_num = max(chunk_ids - encoder_att_look_back_factor, 0)
- zeros_2 = np.zeros([chunk_size, zeros_2_num*chunk_size_pad_shift], dtype=dtype)
+ zeros_2_num = max(chunk_ids - encoder_att_look_back_factor, 0)
+ zeros_2 = np.zeros([chunk_size, zeros_2_num*chunk_size_pad_shift], dtype=dtype)
- encoder_att_look_back_num = max(chunk_ids - zeros_2_num, 0)
- zeros_2_left = np.zeros([chunk_size, shfit_fsmn], dtype=dtype)
- ones_2_mid = np.ones([stride, stride], dtype=dtype)
- zeros_2_bottom = np.zeros([chunk_size-stride, stride], dtype=dtype)
- zeros_2_right = np.zeros([chunk_size, chunk_size-stride], dtype=dtype)
- ones_2 = np.concatenate([ones_2_mid, zeros_2_bottom], axis=0)
- ones_2 = np.concatenate([zeros_2_left, ones_2, zeros_2_right], axis=1)
- ones_2 = np.tile(ones_2, [1, encoder_att_look_back_num])
+ encoder_att_look_back_num = max(chunk_ids - zeros_2_num, 0)
+ zeros_2_left = np.zeros([chunk_size, shfit_fsmn], dtype=dtype)
+ ones_2_mid = np.ones([stride, stride], dtype=dtype)
+ zeros_2_bottom = np.zeros([chunk_size-stride, stride], dtype=dtype)
+ zeros_2_right = np.zeros([chunk_size, chunk_size-stride], dtype=dtype)
+ ones_2 = np.concatenate([ones_2_mid, zeros_2_bottom], axis=0)
+ ones_2 = np.concatenate([zeros_2_left, ones_2, zeros_2_right], axis=1)
+ ones_2 = np.tile(ones_2, [1, encoder_att_look_back_num])
- zeros_3_left = np.zeros([chunk_size, shfit_fsmn], dtype=dtype)
- ones_3_right = np.ones([chunk_size, chunk_size], dtype=dtype)
- ones_3 = np.concatenate([zeros_3_left, ones_3_right], axis=1)
+ zeros_3_left = np.zeros([chunk_size, shfit_fsmn], dtype=dtype)
+ ones_3_right = np.ones([chunk_size, chunk_size], dtype=dtype)
+ ones_3 = np.concatenate([zeros_3_left, ones_3_right], axis=1)
- zeros_remain_num = max(chunk_num - 1 - chunk_ids, 0)
- zeros_remain = np.zeros([chunk_size, zeros_remain_num*chunk_size_pad_shift], dtype=dtype)
+ zeros_remain_num = max(chunk_num - 1 - chunk_ids, 0)
+ zeros_remain = np.zeros([chunk_size, zeros_remain_num*chunk_size_pad_shift], dtype=dtype)
- ones2_bottom = np.concatenate([zeros_2, ones_2, ones_3, zeros_remain], axis=1)
- mask_att_chunk_encoder_cur = np.concatenate([zeros_1_top, ones2_bottom], axis=0)
- mask_att_chunk_encoder = np.concatenate([mask_att_chunk_encoder, mask_att_chunk_encoder_cur], axis=0)
+ ones2_bottom = np.concatenate([zeros_2, ones_2, ones_3, zeros_remain], axis=1)
+ mask_att_chunk_encoder_cur = np.concatenate([zeros_1_top, ones2_bottom], axis=0)
+ mask_att_chunk_encoder = np.concatenate([mask_att_chunk_encoder, mask_att_chunk_encoder_cur], axis=0)
- # decoder fsmn_shift_att_mask
- zeros_1 = np.zeros([shfit_fsmn, 1])
- ones_1 = np.ones([chunk_size, 1])
- mask_shift_att_chunk_decoder_cur = np.concatenate([zeros_1, ones_1], axis=0)
- mask_shift_att_chunk_decoder = np.concatenate(
- [mask_shift_att_chunk_decoder, mask_shift_att_chunk_decoder_cur], axis=0)
+ # decoder fsmn_shift_att_mask
+ zeros_1 = np.zeros([shfit_fsmn, 1])
+ ones_1 = np.ones([chunk_size, 1])
+ mask_shift_att_chunk_decoder_cur = np.concatenate([zeros_1, ones_1], axis=0)
+ mask_shift_att_chunk_decoder = np.concatenate(
+ [mask_shift_att_chunk_decoder, mask_shift_att_chunk_decoder_cur], axis=0)
- self.x_add_mask = x_add_mask[:x_len_chunk_max, :x_len_max+pad_left]
- self.x_len_chunk = x_len_chunk
- self.x_rm_mask = x_rm_mask[:x_len_max, :x_len_chunk_max]
- self.x_len = x_len
- self.mask_shfit_chunk = mask_shfit_chunk[:x_len_chunk_max, :]
- self.mask_chunk_predictor = mask_chunk_predictor[:x_len_chunk_max, :]
- self.mask_att_chunk_encoder = mask_att_chunk_encoder[:x_len_chunk_max, :x_len_chunk_max]
- self.mask_shift_att_chunk_decoder = mask_shift_att_chunk_decoder[:x_len_chunk_max, :]
- self.chunk_outs = (self.x_add_mask,
- self.x_len_chunk,
- self.x_rm_mask,
- self.x_len,
- self.mask_shfit_chunk,
- self.mask_chunk_predictor,
- self.mask_att_chunk_encoder,
- self.mask_shift_att_chunk_decoder)
+ self.x_add_mask = x_add_mask[:x_len_chunk_max, :x_len_max+pad_left]
+ self.x_len_chunk = x_len_chunk
+ self.x_rm_mask = x_rm_mask[:x_len_max, :x_len_chunk_max]
+ self.x_len = x_len
+ self.mask_shfit_chunk = mask_shfit_chunk[:x_len_chunk_max, :]
+ self.mask_chunk_predictor = mask_chunk_predictor[:x_len_chunk_max, :]
+ self.mask_att_chunk_encoder = mask_att_chunk_encoder[:x_len_chunk_max, :x_len_chunk_max]
+ self.mask_shift_att_chunk_decoder = mask_shift_att_chunk_decoder[:x_len_chunk_max, :]
+ self.chunk_outs = (self.x_add_mask,
+ self.x_len_chunk,
+ self.x_rm_mask,
+ self.x_len,
+ self.mask_shfit_chunk,
+ self.mask_chunk_predictor,
+ self.mask_att_chunk_encoder,
+ self.mask_shift_att_chunk_decoder)
- return self.chunk_outs
+ return self.chunk_outs
- def split_chunk(self, x, x_len, chunk_outs):
- """
- :param x: (b, t, d)
- :param x_length: (b)
- :param ind: int
- :return:
- """
- x = x[:, :x_len.max(), :]
- b, t, d = x.size()
- x_len_mask = (~make_pad_mask(x_len, maxlen=t)).to(
- x.device)
- x *= x_len_mask[:, :, None]
+ def split_chunk(self, x, x_len, chunk_outs):
+ """
+ :param x: (b, t, d)
+ :param x_length: (b)
+ :param ind: int
+ :return:
+ """
+ x = x[:, :x_len.max(), :]
+ b, t, d = x.size()
+ x_len_mask = (~make_pad_mask(x_len, maxlen=t)).to(
+ x.device)
+ x *= x_len_mask[:, :, None]
- x_add_mask = self.get_x_add_mask(chunk_outs, x.device, dtype=x.dtype)
- x_len_chunk = self.get_x_len_chunk(chunk_outs, x_len.device, dtype=x_len.dtype)
- pad = (0, 0, self.pad_left_cur, 0)
- x = F.pad(x, pad, "constant", 0.0)
- b, t, d = x.size()
- x = torch.transpose(x, 1, 0)
- x = torch.reshape(x, [t, -1])
- x_chunk = torch.mm(x_add_mask, x)
- x_chunk = torch.reshape(x_chunk, [-1, b, d]).transpose(1, 0)
+ x_add_mask = self.get_x_add_mask(chunk_outs, x.device, dtype=x.dtype)
+ x_len_chunk = self.get_x_len_chunk(chunk_outs, x_len.device, dtype=x_len.dtype)
+ pad = (0, 0, self.pad_left_cur, 0)
+ x = F.pad(x, pad, "constant", 0.0)
+ b, t, d = x.size()
+ x = torch.transpose(x, 1, 0)
+ x = torch.reshape(x, [t, -1])
+ x_chunk = torch.mm(x_add_mask, x)
+ x_chunk = torch.reshape(x_chunk, [-1, b, d]).transpose(1, 0)
- return x_chunk, x_len_chunk
+ return x_chunk, x_len_chunk
- def remove_chunk(self, x_chunk, x_len_chunk, chunk_outs):
- x_chunk = x_chunk[:, :x_len_chunk.max(), :]
- b, t, d = x_chunk.size()
- x_len_chunk_mask = (~make_pad_mask(x_len_chunk, maxlen=t)).to(
- x_chunk.device)
- x_chunk *= x_len_chunk_mask[:, :, None]
+ def remove_chunk(self, x_chunk, x_len_chunk, chunk_outs):
+ x_chunk = x_chunk[:, :x_len_chunk.max(), :]
+ b, t, d = x_chunk.size()
+ x_len_chunk_mask = (~make_pad_mask(x_len_chunk, maxlen=t)).to(
+ x_chunk.device)
+ x_chunk *= x_len_chunk_mask[:, :, None]
- x_rm_mask = self.get_x_rm_mask(chunk_outs, x_chunk.device, dtype=x_chunk.dtype)
- x_len = self.get_x_len(chunk_outs, x_len_chunk.device, dtype=x_len_chunk.dtype)
- x_chunk = torch.transpose(x_chunk, 1, 0)
- x_chunk = torch.reshape(x_chunk, [t, -1])
- x = torch.mm(x_rm_mask, x_chunk)
- x = torch.reshape(x, [-1, b, d]).transpose(1, 0)
+ x_rm_mask = self.get_x_rm_mask(chunk_outs, x_chunk.device, dtype=x_chunk.dtype)
+ x_len = self.get_x_len(chunk_outs, x_len_chunk.device, dtype=x_len_chunk.dtype)
+ x_chunk = torch.transpose(x_chunk, 1, 0)
+ x_chunk = torch.reshape(x_chunk, [t, -1])
+ x = torch.mm(x_rm_mask, x_chunk)
+ x = torch.reshape(x, [-1, b, d]).transpose(1, 0)
- return x, x_len
+ return x, x_len
- def get_x_add_mask(self, chunk_outs=None, device='cpu', idx=0, dtype=torch.float32):
- with torch.no_grad():
- x = chunk_outs[idx] if chunk_outs is not None else self.chunk_outs[idx]
- x = torch.from_numpy(x).type(dtype).to(device)
- return x
+ def get_x_add_mask(self, chunk_outs=None, device='cpu', idx=0, dtype=torch.float32):
+ with torch.no_grad():
+ x = chunk_outs[idx] if chunk_outs is not None else self.chunk_outs[idx]
+ x = torch.from_numpy(x).type(dtype).to(device)
+ return x
- def get_x_len_chunk(self, chunk_outs=None, device='cpu', idx=1, dtype=torch.float32):
- with torch.no_grad():
- x = chunk_outs[idx] if chunk_outs is not None else self.chunk_outs[idx]
- x = torch.from_numpy(x).type(dtype).to(device)
- return x
+ def get_x_len_chunk(self, chunk_outs=None, device='cpu', idx=1, dtype=torch.float32):
+ with torch.no_grad():
+ x = chunk_outs[idx] if chunk_outs is not None else self.chunk_outs[idx]
+ x = torch.from_numpy(x).type(dtype).to(device)
+ return x
- def get_x_rm_mask(self, chunk_outs=None, device='cpu', idx=2, dtype=torch.float32):
- with torch.no_grad():
- x = chunk_outs[idx] if chunk_outs is not None else self.chunk_outs[idx]
- x = torch.from_numpy(x).type(dtype).to(device)
- return x
+ def get_x_rm_mask(self, chunk_outs=None, device='cpu', idx=2, dtype=torch.float32):
+ with torch.no_grad():
+ x = chunk_outs[idx] if chunk_outs is not None else self.chunk_outs[idx]
+ x = torch.from_numpy(x).type(dtype).to(device)
+ return x
- def get_x_len(self, chunk_outs=None, device='cpu', idx=3, dtype=torch.float32):
- with torch.no_grad():
- x = chunk_outs[idx] if chunk_outs is not None else self.chunk_outs[idx]
- x = torch.from_numpy(x).type(dtype).to(device)
- return x
+ def get_x_len(self, chunk_outs=None, device='cpu', idx=3, dtype=torch.float32):
+ with torch.no_grad():
+ x = chunk_outs[idx] if chunk_outs is not None else self.chunk_outs[idx]
+ x = torch.from_numpy(x).type(dtype).to(device)
+ return x
- def get_mask_shfit_chunk(self, chunk_outs=None, device='cpu', batch_size=1, num_units=1, idx=4, dtype=torch.float32):
- with torch.no_grad():
- x = chunk_outs[idx] if chunk_outs is not None else self.chunk_outs[idx]
- x = np.tile(x[None, :, :, ], [batch_size, 1, num_units])
- x = torch.from_numpy(x).type(dtype).to(device)
- return x
+ def get_mask_shfit_chunk(self, chunk_outs=None, device='cpu', batch_size=1, num_units=1, idx=4, dtype=torch.float32):
+ with torch.no_grad():
+ x = chunk_outs[idx] if chunk_outs is not None else self.chunk_outs[idx]
+ x = np.tile(x[None, :, :, ], [batch_size, 1, num_units])
+ x = torch.from_numpy(x).type(dtype).to(device)
+ return x
- def get_mask_chunk_predictor(self, chunk_outs=None, device='cpu', batch_size=1, num_units=1, idx=5, dtype=torch.float32):
- with torch.no_grad():
- x = chunk_outs[idx] if chunk_outs is not None else self.chunk_outs[idx]
- x = np.tile(x[None, :, :, ], [batch_size, 1, num_units])
- x = torch.from_numpy(x).type(dtype).to(device)
- return x
+ def get_mask_chunk_predictor(self, chunk_outs=None, device='cpu', batch_size=1, num_units=1, idx=5, dtype=torch.float32):
+ with torch.no_grad():
+ x = chunk_outs[idx] if chunk_outs is not None else self.chunk_outs[idx]
+ x = np.tile(x[None, :, :, ], [batch_size, 1, num_units])
+ x = torch.from_numpy(x).type(dtype).to(device)
+ return x
- def get_mask_att_chunk_encoder(self, chunk_outs=None, device='cpu', batch_size=1, idx=6, dtype=torch.float32):
- with torch.no_grad():
- x = chunk_outs[idx] if chunk_outs is not None else self.chunk_outs[idx]
- x = np.tile(x[None, :, :, ], [batch_size, 1, 1])
- x = torch.from_numpy(x).type(dtype).to(device)
- return x
+ def get_mask_att_chunk_encoder(self, chunk_outs=None, device='cpu', batch_size=1, idx=6, dtype=torch.float32):
+ with torch.no_grad():
+ x = chunk_outs[idx] if chunk_outs is not None else self.chunk_outs[idx]
+ x = np.tile(x[None, :, :, ], [batch_size, 1, 1])
+ x = torch.from_numpy(x).type(dtype).to(device)
+ return x
- def get_mask_shift_att_chunk_decoder(self, chunk_outs=None, device='cpu', batch_size=1, idx=7, dtype=torch.float32):
- with torch.no_grad():
- x = chunk_outs[idx] if chunk_outs is not None else self.chunk_outs[idx]
- x = np.tile(x[None, None, :, 0], [batch_size, 1, 1])
- x = torch.from_numpy(x).type(dtype).to(device)
- return x
+ def get_mask_shift_att_chunk_decoder(self, chunk_outs=None, device='cpu', batch_size=1, idx=7, dtype=torch.float32):
+ with torch.no_grad():
+ x = chunk_outs[idx] if chunk_outs is not None else self.chunk_outs[idx]
+ x = np.tile(x[None, None, :, 0], [batch_size, 1, 1])
+ x = torch.from_numpy(x).type(dtype).to(device)
+ return x
def build_scama_mask_for_cross_attention_decoder(
- predictor_alignments: torch.Tensor,
+ predictor_alignments: torch.Tensor,
encoder_sequence_length: torch.Tensor,
chunk_size: int = 5,
encoder_chunk_size: int = 5,
@@ -291,100 +289,100 @@
attention_chunk_size: int = 1,
attention_chunk_type: str = 'chunk',
step=None,
- predictor_mask_chunk_hopping: torch.Tensor = None,
- decoder_att_look_back_factor: int = 1,
- mask_shift_att_chunk_decoder: torch.Tensor = None,
- target_length: torch.Tensor = None,
- is_training=True,
+ predictor_mask_chunk_hopping: torch.Tensor = None,
+ decoder_att_look_back_factor: int = 1,
+ mask_shift_att_chunk_decoder: torch.Tensor = None,
+ target_length: torch.Tensor = None,
+ is_training=True,
dtype: torch.dtype = torch.float32):
- with torch.no_grad():
- device = predictor_alignments.device
- batch_size, chunk_num = predictor_alignments.size()
- maximum_encoder_length = encoder_sequence_length.max().item()
- int_type = predictor_alignments.dtype
- if not is_training:
- target_length = predictor_alignments.sum(dim=-1).type(encoder_sequence_length.dtype)
- maximum_target_length = target_length.max()
- predictor_alignments_cumsum = torch.cumsum(predictor_alignments, dim=1)
- predictor_alignments_cumsum = predictor_alignments_cumsum[:, None, :].repeat(1, maximum_target_length, 1)
-
-
- index = torch.ones([batch_size, maximum_target_length], dtype=int_type).to(device)
- index = torch.cumsum(index, dim=1)
- index = index[:, :, None].repeat(1, 1, chunk_num)
-
- index_div = torch.floor(torch.divide(predictor_alignments_cumsum, index)).type(int_type)
- index_div_bool_zeros = index_div == 0
- index_div_bool_zeros_count = torch.sum(index_div_bool_zeros.type(int_type), dim=-1) + 1
-
- index_div_bool_zeros_count = torch.clip(index_div_bool_zeros_count, min=1, max=chunk_num)
-
- index_div_bool_zeros_count *= chunk_size
- index_div_bool_zeros_count += attention_chunk_center_bias
- index_div_bool_zeros_count = torch.clip(index_div_bool_zeros_count-1, min=0, max=maximum_encoder_length)
- index_div_bool_zeros_count_ori = index_div_bool_zeros_count
-
- index_div_bool_zeros_count = (torch.floor(index_div_bool_zeros_count / encoder_chunk_size)+1)*encoder_chunk_size
- max_len_chunk = math.ceil(maximum_encoder_length / encoder_chunk_size) * encoder_chunk_size
-
- mask_flip, mask_flip2 = None, None
- if attention_chunk_size is not None:
- index_div_bool_zeros_count_beg = index_div_bool_zeros_count - attention_chunk_size
- index_div_bool_zeros_count_beg = torch.clip(index_div_bool_zeros_count_beg, 0, max_len_chunk)
- index_div_bool_zeros_count_beg_mask = sequence_mask(index_div_bool_zeros_count_beg, maxlen=max_len_chunk, dtype=int_type, device=device)
- mask_flip = 1 - index_div_bool_zeros_count_beg_mask
- attention_chunk_size2 = attention_chunk_size * (decoder_att_look_back_factor+1)
- index_div_bool_zeros_count_beg = index_div_bool_zeros_count - attention_chunk_size2
-
- index_div_bool_zeros_count_beg = torch.clip(index_div_bool_zeros_count_beg, 0, max_len_chunk)
- index_div_bool_zeros_count_beg_mask = sequence_mask(index_div_bool_zeros_count_beg, maxlen=max_len_chunk, dtype=int_type, device=device)
- mask_flip2 = 1 - index_div_bool_zeros_count_beg_mask
-
- mask = sequence_mask(index_div_bool_zeros_count, maxlen=max_len_chunk, dtype=dtype, device=device)
-
- if predictor_mask_chunk_hopping is not None:
- b, k, t = mask.size()
- predictor_mask_chunk_hopping = predictor_mask_chunk_hopping[:, None, :, 0].repeat(1, k, 1)
-
- mask_mask_flip = mask
- if mask_flip is not None:
- mask_mask_flip = mask_flip * mask
-
- def _fn():
- mask_sliced = mask[:b, :k, encoder_chunk_size:t]
- zero_pad_right = torch.zeros([b, k, encoder_chunk_size], dtype=mask_sliced.dtype).to(device)
- mask_sliced = torch.cat([mask_sliced, zero_pad_right], dim=2)
- _, _, tt = predictor_mask_chunk_hopping.size()
- pad_right_p = max_len_chunk - tt
- predictor_mask_chunk_hopping_pad = torch.nn.functional.pad(predictor_mask_chunk_hopping, [0, pad_right_p], "constant", 0)
- masked = mask_sliced * predictor_mask_chunk_hopping_pad
-
- mask_true = mask_mask_flip + masked
- return mask_true
-
- mask = _fn() if t > chunk_size else mask_mask_flip
-
-
-
- if mask_flip2 is not None:
- mask *= mask_flip2
-
- mask_target = sequence_mask(target_length, maxlen=maximum_target_length, dtype=mask.dtype, device=device)
- mask = mask[:, :maximum_target_length, :] * mask_target[:, :, None]
-
-
-
- mask_len = sequence_mask(encoder_sequence_length, maxlen=maximum_encoder_length, dtype=mask.dtype, device=device)
- mask = mask[:, :, :maximum_encoder_length] * mask_len[:, None, :]
-
-
-
-
- if attention_chunk_type == 'full':
- mask = torch.ones_like(mask).to(device)
- if mask_shift_att_chunk_decoder is not None:
- mask = mask * mask_shift_att_chunk_decoder
- mask = mask[:, :maximum_target_length, :maximum_encoder_length].type(dtype).to(device)
+ with torch.no_grad():
+ device = predictor_alignments.device
+ batch_size, chunk_num = predictor_alignments.size()
+ maximum_encoder_length = encoder_sequence_length.max().item()
+ int_type = predictor_alignments.dtype
+ if not is_training:
+ target_length = predictor_alignments.sum(dim=-1).type(encoder_sequence_length.dtype)
+ maximum_target_length = target_length.max()
+ predictor_alignments_cumsum = torch.cumsum(predictor_alignments, dim=1)
+ predictor_alignments_cumsum = predictor_alignments_cumsum[:, None, :].repeat(1, maximum_target_length, 1)
+
+
+ index = torch.ones([batch_size, maximum_target_length], dtype=int_type).to(device)
+ index = torch.cumsum(index, dim=1)
+ index = index[:, :, None].repeat(1, 1, chunk_num)
+
+ index_div = torch.floor(torch.divide(predictor_alignments_cumsum, index)).type(int_type)
+ index_div_bool_zeros = index_div == 0
+ index_div_bool_zeros_count = torch.sum(index_div_bool_zeros.type(int_type), dim=-1) + 1
+
+ index_div_bool_zeros_count = torch.clip(index_div_bool_zeros_count, min=1, max=chunk_num)
+
+ index_div_bool_zeros_count *= chunk_size
+ index_div_bool_zeros_count += attention_chunk_center_bias
+ index_div_bool_zeros_count = torch.clip(index_div_bool_zeros_count-1, min=0, max=maximum_encoder_length)
+ index_div_bool_zeros_count_ori = index_div_bool_zeros_count
+
+ index_div_bool_zeros_count = (torch.floor(index_div_bool_zeros_count / encoder_chunk_size)+1)*encoder_chunk_size
+ max_len_chunk = math.ceil(maximum_encoder_length / encoder_chunk_size) * encoder_chunk_size
+
+ mask_flip, mask_flip2 = None, None
+ if attention_chunk_size is not None:
+ index_div_bool_zeros_count_beg = index_div_bool_zeros_count - attention_chunk_size
+ index_div_bool_zeros_count_beg = torch.clip(index_div_bool_zeros_count_beg, 0, max_len_chunk)
+ index_div_bool_zeros_count_beg_mask = sequence_mask(index_div_bool_zeros_count_beg, maxlen=max_len_chunk, dtype=int_type, device=device)
+ mask_flip = 1 - index_div_bool_zeros_count_beg_mask
+ attention_chunk_size2 = attention_chunk_size * (decoder_att_look_back_factor+1)
+ index_div_bool_zeros_count_beg = index_div_bool_zeros_count - attention_chunk_size2
+
+ index_div_bool_zeros_count_beg = torch.clip(index_div_bool_zeros_count_beg, 0, max_len_chunk)
+ index_div_bool_zeros_count_beg_mask = sequence_mask(index_div_bool_zeros_count_beg, maxlen=max_len_chunk, dtype=int_type, device=device)
+ mask_flip2 = 1 - index_div_bool_zeros_count_beg_mask
+
+ mask = sequence_mask(index_div_bool_zeros_count, maxlen=max_len_chunk, dtype=dtype, device=device)
+
+ if predictor_mask_chunk_hopping is not None:
+ b, k, t = mask.size()
+ predictor_mask_chunk_hopping = predictor_mask_chunk_hopping[:, None, :, 0].repeat(1, k, 1)
+
+ mask_mask_flip = mask
+ if mask_flip is not None:
+ mask_mask_flip = mask_flip * mask
+
+ def _fn():
+ mask_sliced = mask[:b, :k, encoder_chunk_size:t]
+ zero_pad_right = torch.zeros([b, k, encoder_chunk_size], dtype=mask_sliced.dtype).to(device)
+ mask_sliced = torch.cat([mask_sliced, zero_pad_right], dim=2)
+ _, _, tt = predictor_mask_chunk_hopping.size()
+ pad_right_p = max_len_chunk - tt
+ predictor_mask_chunk_hopping_pad = torch.nn.functional.pad(predictor_mask_chunk_hopping, [0, pad_right_p], "constant", 0)
+ masked = mask_sliced * predictor_mask_chunk_hopping_pad
+
+ mask_true = mask_mask_flip + masked
+ return mask_true
+
+ mask = _fn() if t > chunk_size else mask_mask_flip
+
+
+
+ if mask_flip2 is not None:
+ mask *= mask_flip2
+
+ mask_target = sequence_mask(target_length, maxlen=maximum_target_length, dtype=mask.dtype, device=device)
+ mask = mask[:, :maximum_target_length, :] * mask_target[:, :, None]
+
+
+
+ mask_len = sequence_mask(encoder_sequence_length, maxlen=maximum_encoder_length, dtype=mask.dtype, device=device)
+ mask = mask[:, :, :maximum_encoder_length] * mask_len[:, None, :]
+
+
+
+
+ if attention_chunk_type == 'full':
+ mask = torch.ones_like(mask).to(device)
+ if mask_shift_att_chunk_decoder is not None:
+ mask = mask * mask_shift_att_chunk_decoder
+ mask = mask[:, :maximum_target_length, :maximum_encoder_length].type(dtype).to(device)
- return mask
+ return mask
--
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