MockingBird/utils/profiler.py
2021-08-07 11:56:00 +08:00

45 lines
1.4 KiB
Python

from time import perf_counter as timer
from collections import OrderedDict
import numpy as np
class Profiler:
def __init__(self, summarize_every=5, disabled=False):
self.last_tick = timer()
self.logs = OrderedDict()
self.summarize_every = summarize_every
self.disabled = disabled
def tick(self, name):
if self.disabled:
return
# Log the time needed to execute that function
if not name in self.logs:
self.logs[name] = []
if len(self.logs[name]) >= self.summarize_every:
self.summarize()
self.purge_logs()
self.logs[name].append(timer() - self.last_tick)
self.reset_timer()
def purge_logs(self):
for name in self.logs:
self.logs[name].clear()
def reset_timer(self):
self.last_tick = timer()
def summarize(self):
n = max(map(len, self.logs.values()))
assert n == self.summarize_every
print("\nAverage execution time over %d steps:" % n)
name_msgs = ["%s (%d/%d):" % (name, len(deltas), n) for name, deltas in self.logs.items()]
pad = max(map(len, name_msgs))
for name_msg, deltas in zip(name_msgs, self.logs.values()):
print(" %s mean: %4.0fms std: %4.0fms" %
(name_msg.ljust(pad), np.mean(deltas) * 1000, np.std(deltas) * 1000))
print("", flush=True)