개요

방법

import time
import matplotlib.pyplot as plt

number_of_set = 100
list_1 = []# "i = i + 1"
list_2 = []# "i += 1"
n = int(1e+7)

# "i = i + 1"と"i += 1"の計測
for _ in range(number_of_set):
    # "i = i + 1"
    i = 0
    start_1 = time.time()
    for _ in range(n):
        i = i + 1
    list_1.append(time.time() - start_1)

    # "i += 1"
    i = 0
    start_2 = time.time()
    for _ in range(n):
        i += 1
    list_2.append(time.time() - start_2)

# 箱ひげ図
time = (list_1, list_2)# タプル化
fig, ax = plt.subplots()
bp = ax.boxplot(time)
ax.set_xticklabels(['i = i + 1', 'i += i'])
plt.title('100 times with 10,000,000 loops as one set')
plt.xlabel('type')
plt.ylabel('time [sec]')
plt.grid()
# 描画
plt.show()

결론

참고 자료