莫拉古
2024-11-29 ae49b2a8e1bc676e6014d8a12ebeec947b655e3e
funasr/models/paraformer/cif_predictor.py
@@ -497,6 +497,63 @@
@torch.jit.script
def cif_v1_export(hidden, alphas, threshold: float):
    device = hidden.device
    dtype = hidden.dtype
    batch_size, len_time, hidden_size = hidden.size()
    threshold = torch.tensor([threshold], dtype=alphas.dtype).to(alphas.device)
    frames = torch.zeros(batch_size, len_time, hidden_size, dtype=dtype, device=device)
    fires = torch.zeros(batch_size, len_time, dtype=dtype, device=device)
    # prefix_sum = torch.cumsum(alphas, dim=1)
    prefix_sum = torch.cumsum(alphas, dim=1, dtype=torch.float64).to(
        torch.float32
    )  # cumsum precision degradation cause wrong result in extreme
    prefix_sum_floor = torch.floor(prefix_sum)
    dislocation_prefix_sum = torch.roll(prefix_sum, 1, dims=1)
    dislocation_prefix_sum_floor = torch.floor(dislocation_prefix_sum)
    dislocation_prefix_sum_floor[:, 0] = 0
    dislocation_diff = prefix_sum_floor - dislocation_prefix_sum_floor
    fire_idxs = dislocation_diff > 0
    fires[fire_idxs] = 1
    fires = fires + prefix_sum - prefix_sum_floor
    # prefix_sum_hidden = torch.cumsum(alphas.unsqueeze(-1).tile((1, 1, hidden_size)) * hidden, dim=1)
    prefix_sum_hidden = torch.cumsum(alphas.unsqueeze(-1).tile((1, 1, hidden_size)) * hidden, dim=1)
    frames = prefix_sum_hidden[fire_idxs]
    shift_frames = torch.roll(frames, 1, dims=0)
    batch_len = fire_idxs.sum(1)
    batch_idxs = torch.cumsum(batch_len, dim=0)
    shift_batch_idxs = torch.roll(batch_idxs, 1, dims=0)
    shift_batch_idxs[0] = 0
    shift_frames[shift_batch_idxs] = 0
    remains = fires - torch.floor(fires)
    # remain_frames = remains[fire_idxs].unsqueeze(-1).tile((1, hidden_size)) * hidden[fire_idxs]
    remain_frames = remains[fire_idxs].unsqueeze(-1).tile((1, hidden_size)) * hidden[fire_idxs]
    shift_remain_frames = torch.roll(remain_frames, 1, dims=0)
    shift_remain_frames[shift_batch_idxs] = 0
    frames = frames - shift_frames + shift_remain_frames - remain_frames
    # max_label_len = batch_len.max()
    max_label_len = alphas.sum(dim=-1)
    max_label_len = torch.floor(max_label_len).max().to(dtype=torch.int64)
    # frame_fires = torch.zeros(batch_size, max_label_len, hidden_size, dtype=dtype, device=device)
    frame_fires = torch.zeros(batch_size, max_label_len, hidden_size, dtype=dtype, device=device)
    indices = torch.arange(max_label_len, device=device).expand(batch_size, -1)
    frame_fires_idxs = indices < batch_len.unsqueeze(1)
    frame_fires[frame_fires_idxs] = frames
    return frame_fires, fires
@torch.jit.script
def cif_export(hidden, alphas, threshold: float):
    batch_size, len_time, hidden_size = hidden.size()
    threshold = torch.tensor([threshold], dtype=alphas.dtype).to(alphas.device)
@@ -608,6 +665,76 @@
    return torch.stack(list_ls, 0), fires
def cif_wo_hidden_v1(alphas, threshold, return_fire_idxs=False):
    batch_size, len_time = alphas.size()
    device = alphas.device
    dtype = alphas.dtype
    threshold = torch.tensor([threshold], dtype=alphas.dtype).to(alphas.device)
    fires = torch.zeros(batch_size, len_time, dtype=dtype, device=device)
    # prefix_sum = torch.cumsum(alphas, dim=1)
    prefix_sum = torch.cumsum(alphas, dim=1, dtype=torch.float64).to(
        torch.float32
    )  # cumsum precision degradation cause wrong result in extreme
    prefix_sum_floor = torch.floor(prefix_sum)
    dislocation_prefix_sum = torch.roll(prefix_sum, 1, dims=1)
    dislocation_prefix_sum_floor = torch.floor(dislocation_prefix_sum)
    dislocation_prefix_sum_floor[:, 0] = 0
    dislocation_diff = prefix_sum_floor - dislocation_prefix_sum_floor
    fire_idxs = dislocation_diff > 0
    fires[fire_idxs] = 1
    fires = fires + prefix_sum - prefix_sum_floor
    if return_fire_idxs:
        return fires, fire_idxs
    return fires
def cif_v1(hidden, alphas, threshold):
    fires, fire_idxs = cif_wo_hidden_v1(alphas, threshold, return_fire_idxs=True)
    device = hidden.device
    dtype = hidden.dtype
    batch_size, len_time, hidden_size = hidden.size()
    # frames = torch.zeros(batch_size, len_time, hidden_size, dtype=dtype, device=device)
    # prefix_sum_hidden = torch.cumsum(alphas.unsqueeze(-1).tile((1, 1, hidden_size)) * hidden, dim=1)
    frames = torch.zeros(batch_size, len_time, hidden_size, dtype=dtype, device=device)
    prefix_sum_hidden = torch.cumsum(alphas.unsqueeze(-1).tile((1, 1, hidden_size)) * hidden, dim=1)
    frames = prefix_sum_hidden[fire_idxs]
    shift_frames = torch.roll(frames, 1, dims=0)
    batch_len = fire_idxs.sum(1)
    batch_idxs = torch.cumsum(batch_len, dim=0)
    shift_batch_idxs = torch.roll(batch_idxs, 1, dims=0)
    shift_batch_idxs[0] = 0
    shift_frames[shift_batch_idxs] = 0
    remains = fires - torch.floor(fires)
    # remain_frames = remains[fire_idxs].unsqueeze(-1).tile((1, hidden_size)) * hidden[fire_idxs]
    remain_frames = remains[fire_idxs].unsqueeze(-1).tile((1, hidden_size)) * hidden[fire_idxs]
    shift_remain_frames = torch.roll(remain_frames, 1, dims=0)
    shift_remain_frames[shift_batch_idxs] = 0
    frames = frames - shift_frames + shift_remain_frames - remain_frames
    # max_label_len = batch_len.max()
    max_label_len = (
        torch.round(alphas.sum(-1)).int().max()
    )  # torch.round to calculate the max length
    # frame_fires = torch.zeros(batch_size, max_label_len, hidden_size, dtype=dtype, device=device)
    frame_fires = torch.zeros(batch_size, max_label_len, hidden_size, dtype=dtype, device=device)
    indices = torch.arange(max_label_len, device=device).expand(batch_size, -1)
    frame_fires_idxs = indices < batch_len.unsqueeze(1)
    frame_fires[frame_fires_idxs] = frames
    return frame_fires, fires
def cif_wo_hidden(alphas, threshold):
    batch_size, len_time = alphas.size()