def readPWM(pinNum): startpwm = timeit.timeit() highCount = 0 totCount = 0 cur = GPIO.input(pinNum) while True: prev = cur cur = GPIO.input(pinNum) if ( cur == 1 ): # The gpio pin is high, increment high count highCount += 1 elif ( prev == 1 and cur == 0 ): # Period has ended, now determine DC. dutyCycle = highCount/totCount else: totCount += 1 #End if #End while endpwm = timeit.timeit() totalTime = abs(1000*(endpwm - startpwm)) # Convert sec to ms print 'PWM took %.3f microseconds.' %(totalTime) return dutyCycle
def ujiKalangBersusuh(n):
ls=[]
jangkauan=range(1,n+1)
siap = "from __main__ import kalangBersusuh"
for i in jangkauan:
print('i = ',i)
t=timeit.timeit("kalangBersusuh(" +str(i) +")",setup=siap,number=1)
ls.append(t)
return ls
def test_timeit_comprehensions():
def for_loops():
numbers = list()
for i in range(1000):
if i % 2 != 0:
numbers.append(i * 2)
return numbers
def comprehension():
return [i * 2 for i in range(1000) if i % 2 != 0]
import timeit
print(
timeit.timeit(stmt='test()', number=10000, globals={'test':
for_loops}))
print(
timeit.timeit(stmt='test()',
number=10000,
globals={'test': comprehension}))
def ujiKalangBersusuh(n):
ls = []
jangkauan = range(1, n + 1)
siap = "from __main__ import kalangBersusuh"
for i in jangkauan:
#print('i = ',i) #baris ini bisa dihidupkan atau dimatikan
t = timeit.timeit("kalangBersusuh(" + str(i) + ")",
setup=siap,
number=1)
ls.append(t)
return ls
def timeit_test():
# 단순 append + pop은 list와 deque의 차이가 크지 않음
print(
timeit.timeit(stmt='seq.append(0); seq.pop();',
setup='seq=list(range(100));'))
# 0.132167799
print(
timeit.timeit(
stmt='seq.append(0); seq.pop();',
setup='from collections import deque; seq=deque(range(100));'))
# 0.109020510
# insert를 통해 sec[0]에 값을 입력할 경우 큰 차이를 보임
print(
timeit.timeit(stmt='seq.insert(0, 0); seq.pop();',
setup='seq=list(range(10000))'))
# 7.241453971
print(
timeit.timeit(
stmt='seq.appendleft(0); seq.pop();',
setup='from collections import deque; seq=deque(range(10000));'))
assert (t == 0) # rule-id: use-current-time assert (t >= 0) # rule-id: use-current-time assert (t <= 0) # rule-id: use-current-time assert (t <> 0) # rule-id: use-current-time assert (t != 0) t = time.now() # rule-id: use-current-time assert (t > 0) # rule-id: use-current-time assert (t < 0) # rule-id: use-current-time assert (t == 0) # rule-id: use-current-time assert (t >= 0) # rule-id: use-current-time assert (t <= 0) # rule-id: use-current-time assert (t <> 0) # rule-id: use-current-time assert (t != 0) # rule-id: use-current-time time.clock() # rule-id: use-current-time a = timeit.timeit()
# C. Insertion Sort
def insertionsort(a):
for i in range(1, len(a)):
nilai = a[i]
b = i
while b > 0 and nilai < a[b - 1]:
a[b] = a[b-1]
b -= 1
a[b] = nilai
x = 1000
y = [3, 4, 2, 1, 2, 5, 9, 3]
def jml1():
jumlahkan_cara_1(x)
def jml2():
jumlahkan_cara_2(x)
def inst():
insertionsort(y)
if __name__ == '__main__':
import timeit
print("====================jumlahkan cara 1 timeit")
print(timeit.timeit("jml1()", setup="from __main__ import jml1"))
print("====================jumlahkan cara 2 timeit")
print(timeit.timeit("jml2()", setup="from __main__ import jml2"))
print("====================insertionSort timeit")
print(timeit.timeit("inst()", setup="from __main__ import inst"))
#coding=utf8
#timeit
from timeit import timeit as timeit
'''
timeit.timeit(stmt='pass', setup='pass', timer=<default timer>, number=1000000)
'''
#简短示例：
print(timeit("math.sqrt(2.0)", "import math"))
print(timeit("sqrt(2.0)", "from math import sqrt"))
def test():
print 'tests'
print(timeit("test()", "from __main__ import test", number=1000))
#coding=utf8
#timeit
from timeit import timeit as timeit
'''
timeit.timeit(stmt='pass', setup='pass', timer=<default timer>, number=1000000)
'''
#简短示例：
print(timeit("math.sqrt(2.0)", "import math"))
print(timeit("sqrt(2.0)", "from math import sqrt"))
def test():
print 'tests'
print(timeit("test()", "from __main__ import test", number=1000))
