From f9b54d7b1ccfd31f24690eaf5f5d8e128d97b0ab Mon Sep 17 00:00:00 2001
From: guanjihuan <guanjihuan@163.com>
Date: Sun, 6 Mar 2022 16:16:43 +0800
Subject: [PATCH] Create numba_time.py

---
 .../2022.03.06_numba_time/numba_time.py       | 42 +++++++++++++++++++
 1 file changed, 42 insertions(+)
 create mode 100644 language_learning/2022.03.06_numba_time/numba_time.py

diff --git a/language_learning/2022.03.06_numba_time/numba_time.py b/language_learning/2022.03.06_numba_time/numba_time.py
new file mode 100644
index 0000000..c23c5a8
--- /dev/null
+++ b/language_learning/2022.03.06_numba_time/numba_time.py
@@ -0,0 +1,42 @@
+import numpy as np
+from numba import jit
+import time
+
+def for_sum(numpy_array):
+    sum = 0
+    for number in numpy_array:
+        sum += number
+    return sum
+
+@jit
+def numba_for_sum(numpy_array):
+    sum = 0
+    for number in numpy_array:
+        sum += number
+    return sum
+
+numpy_array = np.arange(0,1e8,1)
+
+start = time.time()
+result = sum(numpy_array)
+end = time.time()
+print('\nresult:', result)
+print('python中sum()函数求和时间：\n', end - start)
+
+start = time.time()
+result = np.sum(numpy_array)
+end = time.time()
+print('\nresult:', result)
+print('numpy.sum()函数求和时间：\n', end - start)
+
+start = time.time()
+result = for_sum(numpy_array)
+end = time.time()
+print('\nresult:', result)
+print('for循环求和numpy数组的时间：\n', end - start)
+
+start = time.time()
+result = numba_for_sum(numpy_array)
+end = time.time()
+print('\nresult:', result)
+print('numba加速for循环求和numpy数组的时间：\n', end - start, '\n')
\ No newline at end of file