clearml/trains/debugging/timer.py
2019-06-10 20:02:11 +03:00

113 lines
3.1 KiB
Python

""" Timing support """
import sys
import time
import six
class Timer(object):
"""A class implementing a simple timer, with a reset option """
def __init__(self):
self._start_time = 0.
self._diff = 0.
self._total_time = 0.
self._average_time = 0.
self._calls = 0
self.tic()
def reset(self):
self._start_time = 0.
self._diff = 0.
self.reset_average()
def reset_average(self):
""" Reset average counters (does not change current timer) """
self._total_time = 0
self._average_time = 0
self._calls = 0
def tic(self):
try:
# using time.time instead of time.clock because time time.clock
# does not normalize for multi threading
self._start_time = time.time()
except Exception:
pass
def toc(self, average=True):
self._diff = time.time() - self._start_time
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
@property
def average_time(self):
return self._average_time
@property
def total_time(self):
return self._total_time
def toc_with_reset(self, average=True, reset_if_calls=1000):
""" Enable toc with reset (slightly inaccurate if reset event occurs) """
if self._calls > reset_if_calls:
last_diff = time.time() - self._start_time
self._start_time = time.time()
self._total_time = last_diff
self._average_time = 0
self._calls = 0
return self.toc(average=average)
class TimersMixin(object):
def __init__(self):
self._timers = {}
def add_timers(self, *names):
for name in names:
self.add_timer(name)
def add_timer(self, name, timer=None):
if name in self._timers:
raise ValueError('timer %s already exists' % name)
timer = timer or Timer()
self._timers[name] = timer
return timer
def get_timer(self, name, default=None):
return self._timers.get(name, default)
def get_timers(self):
return self._timers
def _call_timer(self, name, callable, silent_fail=False):
try:
return callable(self._timers[name])
except KeyError:
if not silent_fail:
six.reraise(*sys.exc_info())
def reset_timers(self, *names):
for name in names:
self._call_timer(name, lambda t: t.reset())
def reset_average_timers(self, *names):
for name in names:
self._call_timer(name, lambda t: t.reset_average())
def tic_timers(self, *names):
for name in names:
self._call_timer(name, lambda t: t.tic())
def toc_timers(self, *names):
return [self._call_timer(name, lambda t: t.toc()) for name in names]
def toc_with_reset_timer(self, name, average=True, reset_if_calls=1000):
return self._call_timer(name, lambda t: t.toc_with_reset(average, reset_if_calls))