File: tuple_return.py

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from __future__ import absolute_import, print_function

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)