| from fireredasr.data.asr_feat import ASRFeatExtractor |
| from fireredasr.tokenizer.aed_tokenizer import ChineseCharEnglishSpmTokenizer |
|
|
| import onnxruntime as ort |
| import axengine as axe |
| import torch |
| import torch.nn.functional as F |
| import numpy as np |
| from torch import Tensor |
| from typing import Tuple, List, Dict |
| import argparse |
| import os |
| import time |
| import logging |
|
|
| logger = logging.getLogger() |
| logger.setLevel(logging.INFO) |
| logger_stream_hander = logging.StreamHandler() |
| logger_stream_hander.setLevel("INFO") |
| logger.addHandler(logger_stream_hander) |
|
|
|
|
| INF = 1e10 |
|
|
|
|
| def to_numpy(tensor): |
| if isinstance(tensor, np.ndarray): |
| return tensor |
| if tensor.requires_grad: |
| return tensor.detach().cpu().numpy() |
| else: |
| return tensor.cpu().numpy() |
| |
| |
| def set_finished_beam_score_to_zero(scores, is_finished): |
| NB, B = scores.size() |
| is_finished = is_finished.float() |
| mask_score = torch.tensor([0.0] + [-INF]*(B-1)).float() |
| mask_score = mask_score.view(1, B).repeat(NB, 1) |
| return scores * (1 - is_finished) + mask_score * is_finished |
|
|
|
|
| def set_finished_beam_y_to_eos(ys, is_finished, eos_id): |
| is_finished = is_finished.long() |
| return ys * (1 - is_finished) + eos_id * is_finished |
|
|
|
|
| class FireRedASROnnxModel: |
| def __init__( |
| self, |
| encoder_path: str, |
| decoder_path: str, |
| cmvn_file: str, |
| dict_file: str, |
| spm_model_path: str, |
| providers=['AXCLRTExecutionProvider', 'AxEngineExecutionProvider'] |
| ): |
| session_opts = ort.SessionOptions() |
| session_opts.inter_op_num_threads = 1 |
| session_opts.intra_op_num_threads = 1 |
| |
| self.session_opts = session_opts |
| |
| |
| |
| |
| self.decode_max_len = 448 |
| |
| self.decoder_hidden_dim = 1280 |
| self.num_decoder_blocks = 16 |
| self.blank_id = 0 |
| self.sos_id = 3 |
| self.eos_id = 4 |
| self.pad_id = 2 |
| |
| self.feature_extractor = ASRFeatExtractor(cmvn_file) |
| self.tokenizer = ChineseCharEnglishSpmTokenizer(dict_file, spm_model_path) |
| self.encoder = None |
| self.decoder = None |
| |
| self.init_encoder(encoder_path, providers) |
| |
| self.init_decoder_main(decoder_path, providers) |
| self.init_decoder_loop(decoder_path, providers) |
| self.pe = self.init_pe(decoder_path) |
| |
| def init_encoder(self, encoder_path, providers=None): |
| start_time = time.time() |
| self.encoder = axe.InferenceSession( |
| encoder_path, |
| |
| providers=providers |
| ) |
| end_time = time.time() |
| logger.info(f"load encoder cost {end_time - start_time} seconds") |
| |
| def init_decoder(self, decoder_path, providers=None): |
| start_time = time.time() |
| self.decoder = ort.InferenceSession( |
| decoder_path, |
| |
| providers=providers |
| ) |
| end_time = time.time() |
| logger.info(f"load decoder cost {end_time - start_time} seconds") |
|
|
| def init_decoder_main(self, decoder_path, providers=None): |
| decoder_path = os.path.dirname(decoder_path) |
| decoder_path = os.path.join(decoder_path, "decoder_main.axmodel") |
| start_time = time.time() |
| self.decoder_main = axe.InferenceSession( |
| decoder_path, |
| |
| providers=providers |
| ) |
| end_time = time.time() |
| logger.info(f"load decoder_main cost {end_time - start_time} seconds") |
|
|
| |
| |
|
|
| def init_decoder_loop(self, decoder_path, providers=None): |
| decoder_path = os.path.dirname(decoder_path) |
| decoder_path = os.path.join(decoder_path, "decoder_loop.axmodel") |
|
|
| start_time = time.time() |
| self.decoder_loop = axe.InferenceSession( |
| decoder_path, |
| |
| providers=providers |
| ) |
| end_time = time.time() |
| logger.info(f"load decoder_loop cost {end_time - start_time} seconds") |
|
|
| |
| |
|
|
| def init_pe(self, decoder_path): |
| decoder_path = os.path.dirname(decoder_path) |
| decoder_path = os.path.join(decoder_path, "pe.npy") |
| |
| return np.load(decoder_path) |
| |
| def run_encoder(self, input: np.ndarray, |
| input_length: np.ndarray |
| ) -> Tuple[Tensor, Tensor, Tensor]: |
| n_layer_cross_k, n_layer_cross_v, cross_attn_mask = self.encoder.run( |
| None, |
| { |
| "encoder_input": input, |
| "encoder_input_lengths": input_length |
| } |
| ) |
| |
| |
| return ( |
| n_layer_cross_k, |
| n_layer_cross_v, |
| cross_attn_mask |
| ) |
| |
| def decode_one_token( |
| self, |
| tokens: np.ndarray, |
| n_layer_self_k_cache: np.ndarray, |
| n_layer_self_v_cache: np.ndarray, |
| n_layer_cross_k_cache: np.ndarray, |
| n_layer_cross_v_cache: np.ndarray, |
| offset: np.ndarray, |
| self_attn_mask: np.ndarray, |
| cross_attn_mask: np.ndarray |
| ) -> Tuple[Tensor, Tensor, Tensor]: |
| print("decode:") |
| print(f"tokens.shape: {tokens.shape}") |
| print(f"n_layer_self_k_cache.shape: {n_layer_self_k_cache.shape}") |
| print(f"n_layer_self_v_cache.shape: {n_layer_self_v_cache.shape}") |
| print(f"n_layer_cross_k_cache.shape: {n_layer_cross_k_cache.shape}") |
| print(f"n_layer_cross_v_cache.shape: {n_layer_cross_v_cache.shape}") |
| print(f"offset.shape: {offset.shape}") |
| print(f"self_attn_mask.shape: {self_attn_mask.shape}") |
| print(f"cross_attn_mask.shape: {cross_attn_mask.shape}") |
| |
|
|
| logits, out_n_layer_self_k_cache, out_n_layer_self_v_cache = self.decoder.run( |
| None, |
| { |
| self.decoder.get_inputs()[0].name: tokens, |
| self.decoder.get_inputs()[1].name: n_layer_self_k_cache, |
| self.decoder.get_inputs()[2].name: n_layer_self_v_cache, |
| self.decoder.get_inputs()[3].name: n_layer_cross_k_cache, |
| self.decoder.get_inputs()[4].name: n_layer_cross_v_cache, |
| self.decoder.get_inputs()[5].name: offset, |
| self.decoder.get_inputs()[6].name: self_attn_mask, |
| self.decoder.get_inputs()[7].name: cross_attn_mask, |
| } |
| ) |
| return ( |
| logits, |
| out_n_layer_self_k_cache, |
| out_n_layer_self_v_cache |
| ) |
| |
| def decode_main_one_token( |
| self, |
| tokens: np.ndarray, |
| n_layer_self_k_cache: np.ndarray, |
| n_layer_self_v_cache: np.ndarray, |
| n_layer_cross_k_cache: np.ndarray, |
| n_layer_cross_v_cache: np.ndarray, |
| pe: np.ndarray, |
| self_attn_mask: np.ndarray, |
| cross_attn_mask: np.ndarray |
| ) -> Tuple[Tensor, Tensor, Tensor]: |
| |
| |
| |
| |
| |
| |
| |
| |
| |
|
|
| logits, out_n_layer_self_k_cache, out_n_layer_self_v_cache = self.decoder_main.run( |
| None, |
| { |
| "tokens": tokens, |
| |
| "n_layer_cross_k": n_layer_cross_k_cache, |
| "n_layer_cross_v": n_layer_cross_v_cache, |
| "pe": pe, |
| "self_attn_mask": self_attn_mask, |
| "cross_attn_mask": cross_attn_mask, |
| |
| } |
| ) |
| |
| |
| return ( |
| logits, |
| out_n_layer_self_k_cache, |
| out_n_layer_self_v_cache |
| ) |
| |
| def decode_loop_one_token( |
| self, |
| tokens: np.ndarray, |
| n_layer_self_k_cache: np.ndarray, |
| n_layer_self_v_cache: np.ndarray, |
| n_layer_cross_k_cache: np.ndarray, |
| n_layer_cross_v_cache: np.ndarray, |
| pe: np.ndarray, |
| self_attn_mask: np.ndarray, |
| cross_attn_mask: np.ndarray |
| ) -> Tuple[Tensor, Tensor, Tensor]: |
| |
| |
| |
| |
| |
| |
| |
| |
| |
|
|
| logits, out_n_layer_self_k_cache, out_n_layer_self_v_cache = self.decoder_loop.run( |
| None, |
| { |
| "tokens": tokens, |
| "in_n_layer_self_k_cache": n_layer_self_k_cache, |
| "in_n_layer_self_v_cache": n_layer_self_v_cache, |
| "n_layer_cross_k": n_layer_cross_k_cache, |
| "n_layer_cross_v": n_layer_cross_v_cache, |
| "pe": pe, |
| "self_attn_mask": self_attn_mask, |
| "cross_attn_mask": cross_attn_mask, |
| } |
| ) |
| |
| |
| return ( |
| logits, |
| out_n_layer_self_k_cache, |
| out_n_layer_self_v_cache |
| ) |
| |
| def run_decoder( |
| self, |
| n_layer_cross_k, |
| n_layer_cross_v, |
| cross_attn_mask, |
| beam_size, |
| nbest |
| ): |
| |
| num_layer, batch_size, Ti, encoder_out_dim = n_layer_cross_k.shape |
| encoder_out_length = cross_attn_mask.shape[-1] |
| |
| cross_attn_mask = torch.from_numpy(cross_attn_mask).to(torch.float32) |
| cross_attn_mask = cross_attn_mask.unsqueeze(1).repeat( |
| 1, beam_size, 1, 1 |
| ).view(beam_size * batch_size, -1, encoder_out_length) |
| |
| n_layer_cross_k = torch.from_numpy(n_layer_cross_k) |
| n_layer_cross_v = torch.from_numpy(n_layer_cross_v) |
| n_layer_cross_k = n_layer_cross_k.unsqueeze(2).repeat( |
| 1, 1, beam_size, 1, 1 |
| ).view(num_layer, beam_size * batch_size, Ti, encoder_out_dim) |
| n_layer_cross_v = n_layer_cross_v.unsqueeze(2).repeat( |
| 1, 1, beam_size, 1, 1 |
| ).view(num_layer, beam_size * batch_size, Ti, encoder_out_dim) |
|
|
| prediction_tokens = torch.ones( |
| beam_size * batch_size, 1).fill_(self.sos_id).long() |
| tokens = prediction_tokens |
| offset = torch.zeros(1, dtype=torch.int64) |
| n_layer_self_k_cache, n_layer_self_v_cache = self.get_initialized_self_cache( |
| batch_size, beam_size |
| ) |
| |
| scores = torch.tensor([0.0] + [-INF]*(beam_size - 1)).float() |
| scores = scores.repeat(batch_size).view(batch_size * beam_size, 1) |
| is_finished = torch.zeros_like(scores) |
| |
| |
| |
| |
| |
| self_attn_mask = np.zeros((batch_size * beam_size, 1, 1), dtype=np.float32) |
|
|
| results = [self.sos_id] |
| for i in range(self.decode_max_len): |
|
|
| |
| |
| |
| |
| |
| |
|
|
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
|
|
| tokens = to_numpy(tokens).astype(np.int32) |
| n_layer_self_k_cache = to_numpy(n_layer_self_k_cache) |
| n_layer_self_v_cache = to_numpy(n_layer_self_v_cache) |
| n_layer_cross_k = to_numpy(n_layer_cross_k) |
| n_layer_cross_v = to_numpy(n_layer_cross_v) |
| cross_attn_mask = to_numpy(cross_attn_mask) |
|
|
| |
| |
| |
| |
| |
| |
| |
|
|
| if i == 0: |
| logits, n_layer_self_k_cache, n_layer_self_v_cache = self.decode_main_one_token( |
| to_numpy(tokens), |
| to_numpy(n_layer_self_k_cache), |
| to_numpy(n_layer_self_v_cache), |
| to_numpy(n_layer_cross_k), |
| to_numpy(n_layer_cross_v), |
| self.pe[offset], |
| self_attn_mask, |
| to_numpy(cross_attn_mask) |
| ) |
| else: |
| logits, n_layer_self_k_cache, n_layer_self_v_cache = self.decode_loop_one_token( |
| to_numpy(tokens), |
| to_numpy(n_layer_self_k_cache), |
| to_numpy(n_layer_self_v_cache), |
| to_numpy(n_layer_cross_k), |
| to_numpy(n_layer_cross_v), |
| self.pe[offset], |
| self_attn_mask, |
| to_numpy(cross_attn_mask) |
| ) |
| |
| offset += 1 |
| logits = torch.from_numpy(logits) |
| |
| logits = logits.squeeze(1) |
| t_scores = F.log_softmax(logits, dim=-1) |
| t_topB_scores, t_topB_ys = torch.topk(t_scores, k=beam_size, dim=1) |
| t_topB_scores = set_finished_beam_score_to_zero(t_topB_scores, is_finished) |
| t_topB_ys = set_finished_beam_y_to_eos(t_topB_ys, is_finished, self.eos_id) |
| |
| scores = scores + t_topB_scores |
| |
| scores = scores.view(batch_size, beam_size * beam_size) |
| scores, topB_score_ids = torch.topk(scores, k=beam_size, dim=1) |
| scores = scores.view(-1, 1) |
| |
| topB_row_number_in_each_B_rows_of_ys = torch.div( |
| topB_score_ids, beam_size).view(batch_size * beam_size) |
| stride = beam_size * torch.arange(batch_size).view( |
| batch_size, 1).repeat(1, beam_size).view(batch_size * beam_size) |
| topB_row_number_in_ys = topB_row_number_in_each_B_rows_of_ys.long() + stride.long() |
| |
| prediction_tokens = prediction_tokens[topB_row_number_in_ys] |
| t_ys = torch.gather( |
| t_topB_ys.view(batch_size, beam_size * beam_size), |
| dim=1, index=topB_score_ids |
| ).view(beam_size * batch_size, 1) |
| |
| tokens = t_ys |
| |
| prediction_tokens = torch.cat((prediction_tokens, t_ys), dim=1) |
| |
| n_layer_self_k_cache = torch.from_numpy(n_layer_self_k_cache) |
| n_layer_self_v_cache = torch.from_numpy(n_layer_self_v_cache) |
| |
| for i, self_k_cache in enumerate(n_layer_self_k_cache): |
| n_layer_self_k_cache[i] = n_layer_self_k_cache[i][topB_row_number_in_ys] |
| |
| for i, self_v_cache in enumerate(n_layer_self_v_cache): |
| n_layer_self_v_cache[i] = n_layer_self_v_cache[i][topB_row_number_in_ys] |
| |
| is_finished = t_ys.eq(self.eos_id) |
| if is_finished.sum().item() == beam_size * batch_size: |
| break |
| |
| scores = scores.view(batch_size, beam_size) |
| prediction_valid_token_lengths = torch.sum( |
| torch.ne( |
| prediction_tokens.view(batch_size, beam_size, -1), |
| self.eos_id), |
| dim=-1 |
| ).int() |
| |
| nbest_scores, nbest_ids = torch.topk(scores, k=nbest, dim=1) |
| index = nbest_ids + beam_size * torch.arange(batch_size).view(batch_size, 1).long() |
| nbest_prediction_tokens = prediction_tokens.view(batch_size * beam_size, -1)[index.view(-1)] |
| nbest_prediction_tokens = nbest_prediction_tokens.view(batch_size, nbest_ids.size(1), -1) |
| nbest_prediction_valid_token_lengths = prediction_valid_token_lengths.view( |
| batch_size * beam_size)[index.view(-1)].view(batch_size, -1) |
| nbest_hyps: List[List[Dict[str, torch.Tensor]]] = [] |
| for i in range(batch_size): |
| i_best_hyps: List[Dict[str, torch.Tensor]] = [] |
| for j, score in enumerate(nbest_scores[i]): |
| hyp = { |
| "token_ids": nbest_prediction_tokens[i, j, 1:nbest_prediction_valid_token_lengths[i, j]], |
| "score": score |
| } |
| i_best_hyps.append(hyp) |
| nbest_hyps.append(i_best_hyps) |
|
|
| return nbest_hyps |
| |
| def get_initialized_self_cache(self, |
| batch_size, |
| beam_size |
| ) -> Tuple[Tensor, Tensor]: |
| n_layer_self_k_cache = torch.zeros( |
| self.num_decoder_blocks, |
| batch_size * beam_size, |
| self.decode_max_len, |
| self.decoder_hidden_dim, |
| ) |
| n_layer_self_v_cache = torch.zeros( |
| self.num_decoder_blocks, |
| batch_size * beam_size, |
| self.decode_max_len, |
| self.decoder_hidden_dim, |
| ) |
| return n_layer_self_k_cache, n_layer_self_v_cache |
| |
| def calc_feat_len(self, audio_dur): |
| import math |
| sample_rate = 16000 |
| frame_length = 25 * sample_rate / 1000 |
| frame_shift = 10 * sample_rate / 1000 |
| length = math.floor((audio_dur * sample_rate - frame_length) / frame_shift) + 1 |
| return length |
| |
| def transcribe(self, |
| batch_wav_path: List[str], |
| beam_size: int = 1, |
| nbest: int = 1 |
| ) -> List[Dict]: |
| feats, lengths, wav_durations = self.feature_extractor(batch_wav_path) |
| print(f"feats.shape: {feats.shape}") |
| maxlen = self.calc_feat_len(10) |
| if feats.shape[1] < maxlen: |
| feats = np.concatenate([feats, np.zeros((1, maxlen - feats.shape[1], 80), dtype=np.float32)], axis=1) |
| feats = feats[:, :maxlen, :] |
|
|
| |
| |
| |
| |
|
|
| feats = to_numpy(feats) |
| lengths = to_numpy(lengths).astype(np.int32) |
|
|
| |
| |
| |
|
|
| start_time = time.time() |
| n_layer_cross_k, n_layer_cross_v, cross_attn_mask = self.run_encoder( |
| to_numpy(feats), |
| to_numpy(lengths) |
| ) |
| nbest_hyps = self.run_decoder(n_layer_cross_k, |
| n_layer_cross_v, |
| cross_attn_mask, |
| beam_size, |
| nbest, |
| ) |
| transcribe_durations = time.time() - start_time |
| results: List[Dict] = [] |
| for wav, hyp in zip(batch_wav_path, nbest_hyps): |
| hyp = hyp[0] |
| hyp_ids = [int(id) for id in hyp["token_ids"].cpu()] |
| score = hyp["score"].item() |
| text = self.tokenizer.detokenize(hyp_ids) |
| results.append( |
| { |
| "wav": wav, |
| "text": text, |
| "score": score |
| } |
| ) |
| |
| return results, wav_durations, transcribe_durations |
| |
| |
| def parse_args(): |
| parser = argparse.ArgumentParser(description="FireRedASROnnxModel Test") |
| parser.add_argument( |
| "--encoder", |
| type=str, |
| default="axmodel/encoder.axmodel", |
| help="Path to onnx encoder" |
| ) |
| parser.add_argument( |
| "--decoder", |
| type=str, |
| default="axmodel/decoder_main.axmodel", |
| help="Path to onnx decoder" |
| ) |
| parser.add_argument( |
| "--cmvn", |
| type=str, |
| default="axmodel/cmvn.ark", |
| help="Path to cmvn" |
| ) |
| parser.add_argument( |
| "--dict", |
| type=str, |
| default="axmodel/dict.txt", |
| help="Path to dict" |
| ) |
| parser.add_argument( |
| "--spm_model", |
| type=str, |
| default="axmodel/train_bpe1000.model", |
| help="Path to spm model" |
| ) |
| parser.add_argument( |
| "--wavlist", |
| type=str, |
| default="wavlist.txt", |
| help="File to wav path list" |
| ) |
| parser.add_argument( |
| "--hypo", |
| type=str, |
| default="hypo_axmodel.txt", |
| help="File of hypos" |
| ) |
| parser.add_argument( |
| "--beam_size", |
| type=int, |
| default=3, |
| help="" |
| ) |
| parser.add_argument( |
| "--nbest", |
| type=int, |
| default=1, |
| help="" |
| ) |
| |
| return parser.parse_args() |
| |
| |
| def parse_wavlist(wavlist: str): |
| wavpaths = [] |
| with open(wavlist) as f: |
| for line in f: |
| line = line.strip() |
| if not os.path.exists(line): |
| print(f"{line} doesn't exist.") |
| continue |
| wavpaths.append(line) |
| |
| return wavpaths |
| |
|
|
| def main(): |
| args = parse_args() |
| print(args) |
| |
| onnx_model = FireRedASROnnxModel(args.encoder, |
| args.decoder, |
| args.cmvn, |
| args.dict, |
| args.spm_model, |
| ) |
| |
| wf = open(args.hypo, "wt") |
| wavlist = parse_wavlist(args.wavlist) |
|
|
| total_wav_durations = 0 |
| total_transcribe_durations = 0 |
| for wav in wavlist: |
| batch_wav = [wav] |
| results, wav_durations, transcribe_durations = onnx_model.transcribe( |
| batch_wav, args.beam_size, args.nbest) |
| |
| wav_durations = sum(wav_durations) |
| total_wav_durations += wav_durations |
| total_transcribe_durations += transcribe_durations |
| logger.info(f"{batch_wav}") |
| logger.info(f"Durations: {wav_durations}") |
| logger.info(f"Transcribe Durations: {transcribe_durations}") |
| rtf = transcribe_durations / wav_durations |
| logger.info(f"(Real time factor) RTF: {rtf}") |
| for result in results: |
| logger.info(f"wav: {result['wav']}") |
| logger.info(f"text: {result['text']}") |
| logger.info(f"score: {result['score']}") |
| logger.info("") |
| wf.write(f"{result['text']} ({result['wav']})\n") |
| |
| logger.info(f"total wav durations: {total_wav_durations}") |
| logger.info(f"total transcribe durations: {total_transcribe_durations}") |
| avg_ref = total_transcribe_durations / total_wav_durations |
| logger.info(f"AVG RTF: {avg_ref}") |
| |
| wf.close() |
|
|
| if __name__ == "__main__": |
| main() |