From d105ce0d6b63bcd14edeb426fbc0acf593296be3 Mon Sep 17 00:00:00 2001
From: 游雁 <zhifu.gzf@alibaba-inc.com>
Date: 星期二, 16 五月 2023 13:58:11 +0800
Subject: [PATCH] inference
---
funasr/bin/lm_inference_launch.py | 297 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++-
1 files changed, 289 insertions(+), 8 deletions(-)
diff --git a/funasr/bin/lm_inference_launch.py b/funasr/bin/lm_inference_launch.py
index dc6414f..0840e6e 100644
--- a/funasr/bin/lm_inference_launch.py
+++ b/funasr/bin/lm_inference_launch.py
@@ -1,4 +1,7 @@
+# -*- encoding: utf-8 -*-
#!/usr/bin/env python3
+# Copyright FunASR (https://github.com/alibaba-damo-academy/FunASR). All Rights Reserved.
+# MIT License (https://opensource.org/licenses/MIT)
@@ -14,8 +17,294 @@
from funasr.utils.types import str2triple_str
from funasr.utils.types import str_or_none
from funasr.utils.types import float_or_none
+import argparse
+import logging
+from pathlib import Path
+import sys
+import os
+from typing import Optional
+from typing import Sequence
+from typing import Tuple
+from typing import Union
+from typing import Dict
+from typing import Any
+from typing import List
+
+import numpy as np
+import torch
+from torch.nn.parallel import data_parallel
+from typeguard import check_argument_types
+
+from funasr.tasks.lm import LMTask
+from funasr.datasets.preprocessor import LMPreprocessor
+from funasr.utils.cli_utils import get_commandline_args
+from funasr.fileio.datadir_writer import DatadirWriter
+from funasr.torch_utils.device_funcs import to_device
+from funasr.torch_utils.forward_adaptor import ForwardAdaptor
+from funasr.torch_utils.set_all_random_seed import set_all_random_seed
+from funasr.utils import config_argparse
+from funasr.utils.types import float_or_none
+from funasr.utils.types import str2bool
+from funasr.utils.types import str2triple_str
+from funasr.utils.types import str_or_none
+def inference_lm(
+ batch_size: int,
+ dtype: str,
+ ngpu: int,
+ seed: int,
+ num_workers: int,
+ log_level: Union[int, str],
+ key_file: Optional[str],
+ train_config: Optional[str],
+ model_file: Optional[str],
+ log_base: Optional[float] = 10,
+ allow_variable_data_keys: bool = False,
+ split_with_space: Optional[bool] = False,
+ seg_dict_file: Optional[str] = None,
+ output_dir: Optional[str] = None,
+ param_dict: dict = None,
+ **kwargs,
+):
+ assert check_argument_types()
+ ncpu = kwargs.get("ncpu", 1)
+ torch.set_num_threads(ncpu)
+
+ if ngpu >= 1 and torch.cuda.is_available():
+ device = "cuda"
+ else:
+ device = "cpu"
+
+ # 1. Set random-seed
+ set_all_random_seed(seed)
+
+ # 2. Build Model
+ model, train_args = LMTask.build_model_from_file(
+ train_config, model_file, device)
+ wrapped_model = ForwardAdaptor(model, "nll")
+ wrapped_model.to(dtype=getattr(torch, dtype)).to(device=device).eval()
+ logging.info(f"Model:\n{model}")
+
+ preprocessor = LMPreprocessor(
+ train=False,
+ token_type=train_args.token_type,
+ token_list=train_args.token_list,
+ bpemodel=train_args.bpemodel,
+ text_cleaner=train_args.cleaner,
+ g2p_type=train_args.g2p,
+ text_name="text",
+ non_linguistic_symbols=train_args.non_linguistic_symbols,
+ split_with_space=split_with_space,
+ seg_dict_file=seg_dict_file
+ )
+
+ def _forward(
+ data_path_and_name_and_type,
+ raw_inputs: Union[List[Any], bytes, str] = None,
+ output_dir_v2: Optional[str] = None,
+ param_dict: dict = None,
+ ):
+ results = []
+ output_path = output_dir_v2 if output_dir_v2 is not None else output_dir
+ if output_path is not None:
+ writer = DatadirWriter(output_path)
+ else:
+ writer = None
+
+ if raw_inputs != None:
+ line = raw_inputs.strip()
+ key = "lm demo"
+ if line == "":
+ item = {'key': key, 'value': ""}
+ results.append(item)
+ return results
+ batch = {}
+ batch['text'] = line
+ if preprocessor != None:
+ batch = preprocessor(key, batch)
+
+ # Force data-precision
+ for name in batch:
+ value = batch[name]
+ if not isinstance(value, np.ndarray):
+ raise RuntimeError(
+ f"All values must be converted to np.ndarray object "
+ f'by preprocessing, but "{name}" is still {type(value)}.'
+ )
+ # Cast to desired type
+ if value.dtype.kind == "f":
+ value = value.astype("float32")
+ elif value.dtype.kind == "i":
+ value = value.astype("long")
+ else:
+ raise NotImplementedError(f"Not supported dtype: {value.dtype}")
+ batch[name] = value
+
+ batch["text_lengths"] = torch.from_numpy(
+ np.array([len(batch["text"])], dtype='int32'))
+ batch["text"] = np.expand_dims(batch["text"], axis=0)
+
+ with torch.no_grad():
+ batch = to_device(batch, device)
+ if ngpu <= 1:
+ nll, lengths = wrapped_model(**batch)
+ else:
+ nll, lengths = data_parallel(
+ wrapped_model, (), range(ngpu), module_kwargs=batch
+ )
+ ## compute ppl
+ ppl_out_batch = ""
+ ids2tokens = preprocessor.token_id_converter.ids2tokens
+ for sent_ids, sent_nll in zip(batch['text'], nll):
+ pre_word = "<s>"
+ cur_word = None
+ sent_lst = ids2tokens(sent_ids) + ['</s>']
+ ppl_out = " ".join(sent_lst) + "\n"
+ for word, word_nll in zip(sent_lst, sent_nll):
+ cur_word = word
+ word_nll = -word_nll.cpu()
+ if log_base is None:
+ word_prob = np.exp(word_nll)
+ else:
+ word_prob = log_base ** (word_nll / np.log(log_base))
+ ppl_out += ' p( {cur} | {pre} ) = {prob} [ {word_nll} ]\n'.format(
+ cur=cur_word,
+ pre=pre_word,
+ prob=round(word_prob.item(), 8),
+ word_nll=round(word_nll.item(), 8)
+ )
+ pre_word = cur_word
+
+ sent_nll_mean = sent_nll.mean().cpu().numpy()
+ sent_nll_sum = sent_nll.sum().cpu().numpy()
+ if log_base is None:
+ sent_ppl = np.exp(sent_nll_mean)
+ else:
+ sent_ppl = log_base ** (sent_nll_mean / np.log(log_base))
+ ppl_out += 'logprob= {sent_nll} ppl= {sent_ppl}\n\n'.format(
+ sent_nll=round(-sent_nll_sum.item(), 4),
+ sent_ppl=round(sent_ppl.item(), 4)
+ )
+ ppl_out_batch += ppl_out
+ item = {'key': key, 'value': ppl_out}
+ if writer is not None:
+ writer["ppl"][key + ":\n"] = ppl_out
+ results.append(item)
+
+ return results
+
+ # 3. Build data-iterator
+ loader = LMTask.build_streaming_iterator(
+ data_path_and_name_and_type,
+ dtype=dtype,
+ batch_size=batch_size,
+ key_file=key_file,
+ num_workers=num_workers,
+ preprocess_fn=preprocessor,
+ collate_fn=LMTask.build_collate_fn(train_args, False),
+ allow_variable_data_keys=allow_variable_data_keys,
+ inference=True,
+ )
+
+ # 4. Start for-loop
+ total_nll = 0.0
+ total_ntokens = 0
+ ppl_out_all = ""
+ for keys, batch in loader:
+ assert isinstance(batch, dict), type(batch)
+ assert all(isinstance(s, str) for s in keys), keys
+ _bs = len(next(iter(batch.values())))
+ assert len(keys) == _bs, f"{len(keys)} != {_bs}"
+
+ ppl_out_batch = ""
+ with torch.no_grad():
+ batch = to_device(batch, device)
+ if ngpu <= 1:
+ # NOTE(kamo): data_parallel also should work with ngpu=1,
+ # but for debuggability it's better to keep this block.
+ nll, lengths = wrapped_model(**batch)
+ else:
+ nll, lengths = data_parallel(
+ wrapped_model, (), range(ngpu), module_kwargs=batch
+ )
+ ## print ppl
+ ids2tokens = preprocessor.token_id_converter.ids2tokens
+ for key, sent_ids, sent_nll in zip(keys, batch['text'], nll):
+ pre_word = "<s>"
+ cur_word = None
+ sent_lst = ids2tokens(sent_ids) + ['</s>']
+ ppl_out = " ".join(sent_lst) + "\n"
+ for word, word_nll in zip(sent_lst, sent_nll):
+ cur_word = word
+ word_nll = -word_nll.cpu()
+ if log_base is None:
+ word_prob = np.exp(word_nll)
+ else:
+ word_prob = log_base ** (word_nll / np.log(log_base))
+ ppl_out += ' p( {cur} | {pre} ) = {prob} [ {word_nll} ]\n'.format(
+ cur=cur_word,
+ pre=pre_word,
+ prob=round(word_prob.item(), 8),
+ word_nll=round(word_nll.item(), 8)
+ )
+ pre_word = cur_word
+
+ sent_nll_mean = sent_nll.mean().cpu().numpy()
+ sent_nll_sum = sent_nll.sum().cpu().numpy()
+ if log_base is None:
+ sent_ppl = np.exp(sent_nll_mean)
+ else:
+ sent_ppl = log_base ** (sent_nll_mean / np.log(log_base))
+ ppl_out += 'logprob= {sent_nll} ppl= {sent_ppl}\n\n'.format(
+ sent_nll=round(-sent_nll_sum.item(), 4),
+ sent_ppl=round(sent_ppl.item(), 4)
+ )
+ ppl_out_batch += ppl_out
+ utt2nll = round(-sent_nll_sum.item(), 5)
+ item = {'key': key, 'value': ppl_out}
+ if writer is not None:
+ writer["ppl"][key + ":\n"] = ppl_out
+ writer["utt2nll"][key] = str(utt2nll)
+ results.append(item)
+
+ ppl_out_all += ppl_out_batch
+
+ assert _bs == len(nll) == len(lengths), (_bs, len(nll), len(lengths))
+ # nll: (B, L) -> (B,)
+ nll = nll.detach().cpu().numpy().sum(1)
+ # lengths: (B,)
+ lengths = lengths.detach().cpu().numpy()
+ total_nll += nll.sum()
+ total_ntokens += lengths.sum()
+
+ if log_base is None:
+ ppl = np.exp(total_nll / total_ntokens)
+ else:
+ ppl = log_base ** (total_nll / total_ntokens / np.log(log_base))
+
+ avg_ppl = 'logprob= {total_nll} ppl= {total_ppl}\n'.format(
+ total_nll=round(-total_nll.item(), 4),
+ total_ppl=round(ppl.item(), 4)
+ )
+ item = {'key': 'AVG PPL', 'value': avg_ppl}
+ ppl_out_all += avg_ppl
+ if writer is not None:
+ writer["ppl"]["AVG PPL : "] = avg_ppl
+ results.append(item)
+
+ return results
+
+ return _forward
+
+
+def inference_launch(mode, **kwargs):
+ if mode == "transformer":
+ return inference_lm(**kwargs)
+ else:
+ logging.info("Unknown decoding mode: {}".format(mode))
+ return None
+
def get_parser():
parser = config_argparse.ArgumentParser(
description="Calc perplexity",
@@ -89,14 +378,6 @@
group.add_argument("--model_file", type=str)
group.add_argument("--mode", type=str, default="lm")
return parser
-
-def inference_launch(mode, **kwargs):
- if mode == "transformer":
- from funasr.bin.lm_inference import inference_modelscope
- return inference_modelscope(**kwargs)
- else:
- logging.info("Unknown decoding mode: {}".format(mode))
- return None
def main(cmd=None):
--
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