游雁
2023-02-25 14a1b5eb20c951b1fe23ca7ea389778a6899332a
funasr/export/models/predictor/cif.py
@@ -16,6 +16,11 @@
   
   return mask.type(dtype).to(device) if device is not None else mask.type(dtype)
def sequence_mask_scripts(lengths, maxlen:int):
   row_vector = torch.arange(0, maxlen, 1).type(lengths.dtype).to(lengths.device)
   matrix = torch.unsqueeze(lengths, dim=-1)
   mask = row_vector < matrix
   return mask.type(torch.float32).to(lengths.device)
class CifPredictorV2(nn.Module):
   def __init__(self, model):
@@ -71,28 +76,131 @@
      
      return hidden, alphas, token_num_floor
# @torch.jit.script
# def cif(hidden, alphas, threshold: float):
#    batch_size, len_time, hidden_size = hidden.size()
#    threshold = torch.tensor([threshold], dtype=alphas.dtype).to(alphas.device)
#
#    # loop varss
#    integrate = torch.zeros([batch_size], device=hidden.device)
#    frame = torch.zeros([batch_size, hidden_size], device=hidden.device)
#    # intermediate vars along time
#    list_fires = []
#    list_frames = []
#
#    for t in range(len_time):
#       alpha = alphas[:, t]
#       distribution_completion = torch.ones([batch_size], device=hidden.device) - integrate
#
#       integrate += alpha
#       list_fires.append(integrate)
#
#       fire_place = integrate >= threshold
#       integrate = torch.where(fire_place,
#                               integrate - torch.ones([batch_size], device=hidden.device),
#                               integrate)
#       cur = torch.where(fire_place,
#                         distribution_completion,
#                         alpha)
#       remainds = alpha - cur
#
#       frame += cur[:, None] * hidden[:, t, :]
#       list_frames.append(frame)
#       frame = torch.where(fire_place[:, None].repeat(1, hidden_size),
#                           remainds[:, None] * hidden[:, t, :],
#                           frame)
#
#    fires = torch.stack(list_fires, 1)
#    frames = torch.stack(list_frames, 1)
#    list_ls = []
#    len_labels = torch.round(alphas.sum(-1)).int()
#    max_label_len = len_labels.max().item()
#    # print("type: {}".format(type(max_label_len)))
#    for b in range(batch_size):
#       fire = fires[b, :]
#       l = torch.index_select(frames[b, :, :], 0, torch.nonzero(fire >= threshold).squeeze())
#       pad_l = torch.zeros([int(max_label_len - l.size(0)), int(hidden_size)], dtype=l.dtype, device=hidden.device)
#       list_ls.append(torch.cat([l, pad_l], 0))
#    return torch.stack(list_ls, 0), fires
# @torch.jit.script
# def cif(hidden, alphas, threshold: float):
#    batch_size, len_time, hidden_size = hidden.size()
#    threshold = torch.tensor([threshold], dtype=alphas.dtype).to(alphas.device)
#
#    # loop varss
#    integrate = torch.zeros([batch_size], dtype=alphas.dtype, device=hidden.device)
#    frame = torch.zeros([batch_size, hidden_size], dtype=hidden.dtype, device=hidden.device)
#    # intermediate vars along time
#    list_fires = []
#    list_frames = []
#
#    for t in range(len_time):
#       alpha = alphas[:, t]
#       distribution_completion = torch.ones([batch_size], dtype=alphas.dtype, device=hidden.device) - integrate
#
#       integrate += alpha
#       list_fires.append(integrate)
#
#       fire_place = integrate >= threshold
#       integrate = torch.where(fire_place,
#                               integrate - torch.ones([batch_size], dtype=alphas.dtype, device=hidden.device),
#                               integrate)
#       cur = torch.where(fire_place,
#                         distribution_completion,
#                         alpha)
#       remainds = alpha - cur
#
#       frame += cur[:, None] * hidden[:, t, :]
#       list_frames.append(frame)
#       frame = torch.where(fire_place[:, None].repeat(1, hidden_size),
#                           remainds[:, None] * hidden[:, t, :],
#                           frame)
#
#    fires = torch.stack(list_fires, 1)
#    frames = torch.stack(list_frames, 1)
#    len_labels = torch.floor(torch.sum(alphas, dim=1)).int()
#    max_label_len = torch.max(len_labels)
#    pad_num = max_label_len - len_labels
#    pad_num_max = torch.max(pad_num).item()
#    frames_pad_tensor = torch.zeros([int(batch_size), int(pad_num_max), int(hidden_size)], dtype=frames.dtype,
#                                    device=frames.device)
#    fires_pad_tensor = torch.ones([int(batch_size), int(pad_num_max)], dtype=fires.dtype, device=fires.device)
#    fires_pad_tensor_mask = sequence_mask_scripts(pad_num, maxlen=int(pad_num_max))
#    fires_pad_tensor *= fires_pad_tensor_mask
#    frames_pad = torch.cat([frames, frames_pad_tensor], dim=1)
#    fires_pad = torch.cat([fires, fires_pad_tensor], dim=1)
#    index_bool = fires_pad >= threshold
#    frames_fire = frames_pad[index_bool]
#    frames_fire = torch.reshape(frames_fire, (int(batch_size), -1, int(hidden_size)))
#    frames_fire_mask = sequence_mask_scripts(len_labels, maxlen=int(max_label_len))
#    frames_fire *= frames_fire_mask[:, :, None]
#
#    return frames_fire, fires
@torch.jit.script
def cif(hidden, alphas, threshold: float):
   batch_size, len_time, hidden_size = hidden.size()
   threshold = torch.tensor([threshold], dtype=alphas.dtype).to(alphas.device)
   
   # loop varss
   integrate = torch.zeros([batch_size], device=hidden.device)
   frame = torch.zeros([batch_size, hidden_size], device=hidden.device)
   integrate = torch.zeros([batch_size], dtype=alphas.dtype, device=hidden.device)
   frame = torch.zeros([batch_size, hidden_size], dtype=hidden.dtype, device=hidden.device)
   # intermediate vars along time
   list_fires = []
   list_frames = []
   
   for t in range(len_time):
      alpha = alphas[:, t]
      distribution_completion = torch.ones([batch_size], device=hidden.device) - integrate
      distribution_completion = torch.ones([batch_size], dtype=alphas.dtype, device=hidden.device) - integrate
      
      integrate += alpha
      list_fires.append(integrate)
      
      fire_place = integrate >= threshold
      integrate = torch.where(fire_place,
                              integrate - torch.ones([batch_size], device=hidden.device),
                              integrate - torch.ones([batch_size], dtype=alphas.dtype, device=hidden.device),
                              integrate)
      cur = torch.where(fire_place,
                        distribution_completion,
@@ -107,13 +215,20 @@
   
   fires = torch.stack(list_fires, 1)
   frames = torch.stack(list_frames, 1)
   list_ls = []
   len_labels = torch.round(alphas.sum(-1)).int()
   max_label_len = len_labels.max().item()
   print("type: {}".format(type(max_label_len)))
   # list_ls = []
   len_labels = torch.round(alphas.sum(-1)).type(torch.int32)
   # max_label_len = int(torch.max(len_labels).item())
   # print("type: {}".format(type(max_label_len)))
   fire_idxs = fires >= threshold
   frame_fires = torch.zeros_like(hidden)
   max_label_len = frames[0, fire_idxs[0]].size(0)
   for b in range(batch_size):
      fire = fires[b, :]
      l = torch.index_select(frames[b, :, :], 0, torch.nonzero(fire >= threshold).squeeze())
      pad_l = torch.zeros([int(max_label_len - l.size(0)), int(hidden_size)], device=hidden.device)
      list_ls.append(torch.cat([l, pad_l], 0))
   return torch.stack(list_ls, 0), fires
      # fire = fires[b, :]
      frame_fire = frames[b, fire_idxs[b]]
      frame_len = frame_fire.size(0)
      frame_fires[b, :frame_len, :] = frame_fire
      if frame_len >= max_label_len:
         max_label_len = frame_len
   frame_fires = frame_fires[:, :max_label_len, :]
   return frame_fires, fires