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# Copyright (c) 2020 Huawei Technologies Co., Ltd.
# Licensed under CC BY-NC-SA 4.0 (Attribution-NonCommercial-ShareAlike 4.0 International) (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# https://creativecommons.org/licenses/by-nc-sa/4.0/legalcode
#
# The code is released for academic research use only. For commercial use, please contact Huawei Technologies Co., Ltd.
# 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.
#
# This file contains content licensed by https://github.com/xinntao/BasicSR/blob/master/LICENSE/LICENSE
import time
class ScopeTimer:
def __init__(self, name):
self.name = name
def __enter__(self):
self.start = time.time()
return self
def __exit__(self, *args):
self.end = time.time()
self.interval = self.end - self.start
print("{} {:.3E}".format(self.name, self.interval))
class Timer:
def __init__(self):
self.times = []
def tick(self):
self.times.append(time.time())
def get_average_and_reset(self):
if len(self.times) < 2:
return -1
avg = (self.times[-1] - self.times[0]) / (len(self.times) - 1)
self.times = [self.times[-1]]
return avg
def get_last_iteration(self):
if len(self.times) < 2:
return 0
return self.times[-1] - self.times[-2]
class TickTock:
def __init__(self):
self.time_pairs = []
self.current_time = None
def tick(self):
self.current_time = time.time()
def tock(self):
assert self.current_time is not None, self.current_time
self.time_pairs.append([self.current_time, time.time()])
self.current_time = None
def get_average_and_reset(self):
if len(self.time_pairs) == 0:
return -1
deltas = [t2 - t1 for t1, t2 in self.time_pairs]
avg = sum(deltas) / len(deltas)
self.time_pairs = []
return avg
def get_last_iteration(self):
if len(self.time_pairs) == 0:
return -1
return self.time_pairs[-1][1] - self.time_pairs[-1][0]
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