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# Fast R-CNN
# Copyright (c) 2015 Microsoft
# Licensed under The MIT License [see LICENSE for details]
# Written by Ross Girshick
# --------------------------------------------------------
import time
class Timer(object):
"""A simple timer."""
def __init__(self):
self.total_time = 0.
self.calls = 0
self.start_time = 0.
self.diff = 0.
self.average_time = 0.
self.warm_up = 0
def tic(self):
# using time.time instead of time.clock because time time.clock
# does not normalize for multithreading
self.start_time = time.time()
def toc(self, average=True):
self.diff = time.time() - self.start_time
if self.warm_up < 10: # don't use warm_up
self.warm_up += 1
return self.diff
else:
self.total_time += self.diff
self.calls += 1
self.average_time = self.total_time / self.calls
if average:
return self.average_time
else:
return self.diff
class Timers():
''' A collect of Timer()
Usage:
see __main__
'''
def __init__(self):
self.timers = {}
def __len__(self):
return len(self.timers)
def __getitem__(self, key):
if key not in self.timers:
self.timers[key] = Timer()
return self.timers[key]
def print(self):
print ('@@@@ Timer Report ===>')
for key, timer in self.timers.items():
print ('@@@@ [%-15s]: aver %10.3fs on %10d hits'\
%(key, timer.average_time, timer.calls))
if __name__ == '__main__':
timers = Timers()
for _ in range(1,10):
timers['tag1'].tic()
time.sleep(0.1)
timers['tag1'].toc()
timers['tag2'].tic()
for _ in range(1,10):
time.sleep(0.1)
timers['tag2'].toc()
timers.print()
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