pyTermTk/tests/timeit/20.thread.01.mutex.py

#!/usr/bin/env python3

# MIT License
#
# Copyright (c) 2023 Eugenio Parodi <ceccopierangiolieugenio AT googlemail DOT com>
#
# Permission is hereby granted, free of charge, to any person obtaining a copy
# of this software and associated documentation files (the "Software"), to deal
# in the Software without restriction, including without limitation the rights
# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
# copies of the Software, and to permit persons to whom the Software is
# furnished to do so, subject to the following conditions:
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# The above copyright notice and this permission notice shall be included in all
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# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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# SOFTWARE.

import sys, os

import timeit
from threading import Lock

mutex = Lock()

test = [x for x in range(10000)]

def test1():
    ret = 1
    mutex.acquire()
    for x in test:
        # ret = max(ret,x*x)
        ret += x # max(ret,x*x)
    mutex.release()
    return ret

def test2():
    ret = 1
    for x in test:
        mutex.acquire()
        # ret = max(ret,x*x)
        ret += x # max(ret,x*x)
        mutex.release()
    return ret

def test3():
    ret = 1
    if not mutex.acquire(False): return 0
    for x in test:
        # ret = max(ret,x*x)
        ret += x # max(ret,x*x)
    mutex.release()
    return ret

def test4():
    ret = 1
    for x in test:
        if not mutex.acquire(False): return 0
        # ret = max(ret,x*x)
        ret += x # max(ret,x*x)
        mutex.release()
    return ret

loop = 1000

a = {}

iii = 1
while (testName := f'test{iii}') and (testName in globals()):
    result = timeit.timeit(f'{testName}(*a)', globals=globals(), number=loop)
    # print(f"test{iii}) fps {loop / result :.3f} - s {result / loop:.10f} - {result / loop} {globals()[testName](*a)}")
    print(f"test{iii:02}) | {result / loop:.10f} sec. | {loop / result : 15.3f} Fps ╞╡-> {globals()[testName](*a)}")
    iii+=1