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PaddleSpeech/utils/caculate_rtf.py

66 lines
2.1 KiB

#!/usr/bin/env python3
# encoding: utf-8
# Copyright 2021 Kyoto University (Hirofumi Inaguma)
# Apache 2.0 (http://www.apache.org/licenses/LICENSE-2.0)
import argparse
import codecs
import glob
import os
from dateutil import parser
def get_parser():
parser = argparse.ArgumentParser(
description="calculate real time factor (RTF)")
parser.add_argument(
"--log-dir",
type=str,
default=None,
help="path to logging directory", )
return parser
def main():
args = get_parser().parse_args()
audio_sec = 0
decode_sec = 0
n_utt = 0
audio_durations = []
start_times = []
end_times = []
for x in glob.glob(os.path.join(args.log_dir, "decode.*.log")):
with codecs.open(x, "r", "utf-8") as f:
for line in f:
x = line.strip()
# 2021-10-25 08:22:04.052 | INFO | xxx:recog_v2:188 - feat: (1570, 83)
if "feat:" in x:
dur = int(x.split("(")[1].split(',')[0])
audio_durations += [dur]
start_times += [parser.parse(x.split("|")[0])]
elif "total log probability:" in x:
end_times += [parser.parse(x.split("|")[0])]
assert len(audio_durations) == len(end_times), (len(audio_durations),
len(end_times), )
assert len(start_times) == len(end_times), (len(start_times),
len(end_times))
audio_sec += sum(audio_durations) / 100 # [sec]
decode_sec += sum([(end - start).total_seconds()
for start, end in zip(start_times, end_times)])
n_utt += len(audio_durations)
print("Total audio duration: %.3f [sec]" % audio_sec)
print("Total decoding time: %.3f [sec]" % decode_sec)
rtf = decode_sec / audio_sec if audio_sec > 0 else 0
print("RTF: %.3f" % rtf)
latency = decode_sec * 1000 / n_utt if n_utt > 0 else 0
print("Latency: %.3f [ms/sentence]" % latency)
if __name__ == "__main__":
main()