Upload Numba example

Numba Examples/numba_range.py

+import numpy as np
+from numba import njit, prange
+import time
+
+def range_test(A):
+    s = 0
+    for i in range(A.shape[0]):
+        s += A[i]
+    return s
+
+@njit(parallel=True) # Setting parallel=True attempts to automatically parallelize a function
+def prange_test(A):
+    s = 0
+    # prange specifies that a loop can be parallelized
+    for i in prange(A.shape[0]): # Without "parallel=True" in the jit-decorator, the prange statement is equivalent to range
+        s += A[i]
+    return s
+
+my_lst = np.random.random(10000000)
+
+start_1 = time.time()
+range_test(my_lst)
+end_1 = time.time()
+print("Seconds elapsed (with compilation) = %s" % (end_1 - start_1))
+
+start_1 = time.time()
+range_test(my_lst)
+end_1 = time.time()
+print("Seconds elapsed (after compilation) = %s" % (end_1 - start_1))
+
+start_2 = time.time()
+prange_test(my_lst)
+end_2 = time.time()
+print("Seconds elapsed utilizing Numba (with compilation) = %s" % (end_2 - start_2))
+
+start_2 = time.time()
+prange_test(my_lst)
+end_2 = time.time()
+print("Seconds elapsed utilizing Numba (after compilation) = %s" % (end_2 - start_2))