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# Copyright (c) 2020 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 time
class TimeAverager(object):
def __init__(self):
self.reset()
def reset(self):
self._cnt = 0
self._total_time = 0
self._total_samples = 0
def record(self, usetime, num_samples=None):
self._cnt += 1
self._total_time += usetime
if num_samples:
self._total_samples += num_samples
def get_average(self):
if self._cnt == 0:
return 0
return self._total_time / float(self._cnt)
def get_ips_average(self):
if not self._total_samples or self._cnt == 0:
return 0
return float(self._total_samples) / self._total_time
def calculate_eta(remaining_step, speed):
if remaining_step < 0:
remaining_step = 0
remaining_time = int(remaining_step * speed)
result = "{:0>2}:{:0>2}:{:0>2}"
arr = []
for i in range(2, -1, -1):
arr.append(int(remaining_time / 60**i))
remaining_time %= 60**i
return result.format(*arr)
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