how to use timeit in python 3
import timeit
import_module = "import random"
testcode = '''
def test():
return random.randint(10, 100)
'''
print(timeit.repeat(stmt=testcode, setup=import_module))how to use timeit in python 3
import timeit
import_module = "import random"
testcode = '''
def test():
return random.randint(10, 100)
'''
print(timeit.repeat(stmt=testcode, setup=import_module))%timeit
# all of these are types in command line
# sample timeit
%timeit rand_nums = np.random.rand(1000)
# specifying number of runs/loops
# Set number of runs to 2 (-r2)
# Set number of loops to 10 (-n10)
%timeit -r2 -n10 rand_nums = np.random.rand(1000)
# saving output
# adding -o
times = %timeit -o rand+nums = np.random.rand(1000)
# now get the best times among those test
times.timings # produce all timings
times.best
times.worst
# comparing which one is faster in creating dict
l_time = %timeit -o dict = {} # you could see that this is way faster
f_time = %timeot -o dict1 = dict()python timeit function return value
import time
# Function with both args and kwargs ====
def time_fn( fn, *args, **kwargs ):
start = time.perf_counter()
results = fn( *args, **kwargs )
end = time.perf_counter()
print(fn.__name__ + ": " + str(end-start) + "s")
return results
res = time_fn(function_name, input, output)
# Function with only arguments ====
def time_fn(fn, *args):
start = time.perf_counter()
results = fn(*args)
end = time.perf_counter()
print(fn.__name__ + ": " + str(end - start) + "s")
return results
res = time_fn(function_name, input)timeit command line
# Timeit can't be used for whole file using command line...
# You can only test python snippets using command line%timeit
# sample timeit
%timeit rand_nums = np.random.rand(1000)
specifying number of runs/loops
# Set number of runs to 2 (-r2)
# Set number of loops to 10 (-n10)
%timeit -r2 -n10 rand_nums = np.random.rand(1000)
saving output
# adding -o
times = %timeit -o rand+nums = np.random.rand(1000)
# now get the best times among those test
times.timings # produce all timings
times.best
times.worst
comparing which one is faster in creating dict
l_time = %timeit -o dict = {} # you could see that this is way faster
f_time = %timeot -o dict1 = dict()Copyright © 2021 Codeinu
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