1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
|
import sys
sys.path.insert(0,'..')
import inline_tools
def multi_return():
return 1, '2nd'
def c_multi_return():
code = """
py::tuple results(2);
results[0] = 1;
results[1] = "2nd";
return_val = results;
"""
return inline_tools.inline(code,[])
def compare(m):
import time
t1 = time.time()
for i in range(m):
py_result = multi_return()
t2 = time.time()
py = t2 - t1
print 'python speed:', py
#load cache
result = c_multi_return()
t1 = time.time()
for i in range(m):
c_result = c_multi_return()
t2 = time.time()
c = t2-t1
print 'c speed:', c
print 'speed up:', py / c
print 'or slow down (more likely:', c / py
print 'python result:', py_result
print 'c result:', c_result
if __name__ == "__main__":
compare(10000)
|
