10 examples of 'how to time a function in python' in Python

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def funcer(*args, **kwargs):
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    start_time = time.time()
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    result = func(*args, **kwargs)
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    end_time = time.time()
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    print("{}:{}".format(func.__name__, end_time - start_time))
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    return result

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def time_this(original_function):
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	print "decorating"
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	def new_function(*args,**kwargs):
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		print "starting decoration"
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		x = original_function(*args,**kwargs)
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		return x
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	return new_function

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def _wrapper(*args,**kwargs):
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    start_time = time.time()
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    func(*args, **kwargs)
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    print('func_name: {}, spent time: {}s'.format(func.__name__, time.time() - start_time))

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def time_this_method(f):
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    """
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    Rather primitive way of timing a method. More advanced would be the profilehooks module.
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    """
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    from functools import wraps
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    @wraps(f)
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    def wrapper(*args, **kwargs):
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        t1 = time.perf_counter()
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        result = f(*args, **kwargs)
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        t2 = time.perf_counter()
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        diff = t2 - t1
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        if diff > 0.5:
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            print('Time for "{}()": {:5.3f} s'.format(f.__name__, diff))
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        else:
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            print('Time for "{}()": {:5.3f} ms'.format(f.__name__, diff * 1000))
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        return result
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    return wrapper

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def time_func(tag, func):
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    t0 = time.time() if tag else None
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    ret = func()
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    if tag:
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        t1 = time.time()
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        print('Time for {}: {}'.format(tag, t1 - t0))
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    return ret

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def timeit(func, *args, **kwargs):
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    t0 = datetime.now()
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    result = func(*args, **kwargs)
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    t1 = datetime.now()
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    diff = t1 - t0
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    return {'secs': diff.total_seconds(), 'return_value': result}

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@wraps(fn)
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def time_fn(*args, **kwargs):
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    start = time.time()
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    output = fn(*args, **kwargs)
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    end = time.time()
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    logger.debug(f'Timed: {fn.__name__} {round((end - start) * 1000, 4)}ms')
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    return output

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def time_it(fn, *args):
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    """
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    Timing function
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    """
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    start = time.time()
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    ret = fn(*args)
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    end = time.time()
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    return ((end - start) * 1000, ret)

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def timef(n, use_cython):
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    pyorcy.USE_CYTHON = use_cython
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    t1 = time()
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    v = f(n, n)
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    delta = time() - t1
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    print("n = %d f = %.1f use_cython = %s time: %.3fs"
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          % (n, v, use_cython, delta))
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    return delta

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def time_func(stmt, n=10, setup='from __main__ import *'):
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    t = timeit.Timer(stmt, setup)
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    total_time = t.timeit(n)
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    iter_time = total_time / n
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    iter_per_sec = n / total_time
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    print "func:%s nIter:%s total_time:%s iter_time:%s iter_per_sec: %s" % (stmt, n, total_time, iter_time, iter_per_sec)