# Copyright (c) 2021 PaddlePaddle Authors. All Rights Reserved.
#
# Licensed under the Apache License, Version 2.0 (the "License"
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
import math
import time
__all__ = [
'Timer',
'seconds_to_hms',
]
[docs]class Timer(object):
'''Calculate runing speed and estimated time of arrival(ETA)'''
def __init__(self, total_step: int):
self.total_step = total_step
self.last_start_step = 0
self.current_step = 0
self._is_running = True
[docs] def start(self):
self.last_time = time.time()
self.start_time = time.time()
[docs] def stop(self):
self._is_running = False
self.end_time = time.time()
[docs] def count(self) -> int:
if not self.current_step >= self.total_step:
self.current_step += 1
return self.current_step
@property
def timing(self) -> float:
run_steps = self.current_step - self.last_start_step
self.last_start_step = self.current_step
time_used = time.time() - self.last_time
self.last_time = time.time()
return run_steps / time_used
@property
def is_running(self) -> bool:
return self._is_running
@property
def eta(self) -> str:
if not self.is_running:
return '00:00:00'
scale = self.total_step / self.current_step
remaining_time = (time.time() - self.start_time) * scale
return seconds_to_hms(remaining_time)
[docs]def seconds_to_hms(seconds: int) -> str:
'''Convert the number of seconds to hh:mm:ss'''
h = math.floor(seconds / 3600)
m = math.floor((seconds - h * 3600) / 60)
s = int(seconds - h * 3600 - m * 60)
hms_str = '{:0>2}:{:0>2}:{:0>2}'.format(h, m, s)
return hms_str